PRK Recovery: Day by Day — What to Expect During the First Few Days, Weeks and Months

Author: Dr Val Phua
Estimated reading time: 22 minutes

PRK can provide excellent long-term vision correction, but its recovery is very different from LASIK.

With LASIK, the corneal surface remains largely intact because the laser treatment is performed beneath a thin flap.

With photorefractive keratectomy (PRK), the corneal epithelium—the thin protective layer covering the front of the eye—is deliberately removed before the excimer laser reshapes the cornea.

The epithelium must then grow back.

That healing process explains why PRK recovery involves:

More discomfort during the first few days
Blurred and fluctuating vision initially
A temporary bandage contact lens
A longer course of eye drops
Gradual rather than immediate visual improvement
Continued fine visual changes over several weeks or months

Many patients become concerned because their vision does not improve in a perfectly straight line.

It is common to experience:

Better vision one day, slightly blurrier vision the next, then clearer vision again.

This does not necessarily mean anything has gone wrong.

Healing after PRK occurs in several overlapping phases:

The epithelium closes over the first few days.
The surface smooths and reorganises over the following weeks.
The tear film and corneal nerves recover.
The stromal wound-healing response settles.
The final refractive result stabilises.

Studies following patients after PRK demonstrate that epithelial healing commonly occurs within approximately three to five days, while deeper corneal remodelling and nerve recovery continue for months.

The central message is:

PRK recovery should be judged in weeks and months, not hours. The first few days are mainly about epithelial healing and comfort; the following weeks are about improving visual quality; and the final months allow the cornea and refraction to settle.

The Quick Answer

How Long Does PRK Recovery Take?

A typical recovery looks approximately like this:

Surgery day: blurred vision, increasing tearing and discomfort as the anaesthetic wears off
Days 1–3: usually the most uncomfortable period; vision remains hazy
Days 3–5: epithelium commonly closes and the bandage contact lens may be removed
End of week 1: vision is often functional but still fluctuating
Weeks 2–4: clarity improves substantially for many patients
1–3 months: vision becomes increasingly crisp and stable
3–6 months: fine changes in refraction, dryness, night vision and corneal healing continue
Beyond 6 months: most routine refractive healing is stable, although subtle biological remodelling can continue longer

These are approximate timelines rather than promises.

Recovery varies according to:

Degree of myopia
Amount of astigmatism
Ablation depth
Conventional PRK versus TransPRK
Ocular-surface health
Individual epithelial healing
Dry eye
Age
Medication use
Corneal wound-healing response

When Is PRK Pain the Worst?

Discomfort is usually greatest during the first 24 to 72 hours.

Patients may experience:

Burning
Stinging
Tearing
Light sensitivity
Foreign-body sensation
Difficulty keeping the eyes open

Bandage contact lenses and appropriate postoperative pain control substantially reduce discomfort. The American Academy of Ophthalmology’s evidence review found support for several approaches including bandage contact lenses and systemic or topical anti-inflammatory treatment, although individual surgeons use different postoperative regimens.

When Is the Bandage Contact Lens Removed?

Commonly around day 3 to day 5, once the surgeon confirms that the epithelium has adequately healed.

In clinical studies, a large proportion of eyes achieved complete epithelial closure by approximately day 3, although some take longer.

Do not remove the bandage lens yourself.

When Will My Vision Become Clear?

Useful vision usually returns before perfect vision.

A common pattern is:

Very blurry immediately after surgery
Improving but unstable during the first week
Increasingly functional during weeks 1–2
Significantly sharper over weeks 2–4
More stable over one to three months

Some patients are surprised that they briefly see well shortly after surgery and then become blurrier.

This can occur because:

The anaesthetic is still active.
The epithelium has not yet begun its full healing response.
Tear-film quality changes.
Epithelial cells temporarily become irregular as they migrate across the treatment zone.

When Can I Return to Work?

For ordinary office work, it is sensible to allow approximately several days to one week rather than planning to work the following morning.

Some people return earlier.

Others require longer because of:

Light sensitivity
Screen discomfort
Fluctuating vision
Driving requirements
High refractive correction

People whose occupations involve:

Driving
Fine visual detail
Construction
Dust
Water
Outdoor UV exposure
Physical contact

may require additional recovery time.

When Can I Drive?

Do not use a fixed number of postoperative days as the sole criterion.

Drive only when:

Vision meets the legal requirement.
Vision feels sufficiently stable.
Glare is manageable.
You can judge road hazards confidently.
Your surgeon has no concerns.

Many patients are not ready to drive during the first several days.

When Can I Exercise?

Gentle walking is generally possible early.

More strenuous activity is usually resumed gradually once:

The corneal surface has healed.
The bandage contact lens has been removed.
The eyes are comfortable.
The surgeon is satisfied.

Avoid early activities involving:

Sweat running into the eyes
Eye rubbing
Dust
Impact
Water exposure

When Can I Swim?

Swimming generally requires a longer pause than ordinary exercise because of the infection risk associated with:

Swimming pools
Sea water
Hot tubs

Do not swim while the bandage contact lens remains in place.

Resume only when the surgeon confirms that epithelial healing is secure.

Why PRK Recovery Takes Longer Than LASIK

The Corneal Surface Is Removed During PRK

The corneal epithelium normally forms a smooth protective barrier.

During PRK it is removed across the treatment area.

After surgery, epithelial cells from the edge of the treatment zone:

Flatten
Migrate
Divide
Join together
Re-establish a continuous surface

Until this occurs, the underlying corneal nerves are more exposed.

This contributes to:

Pain
Tearing
Photophobia
Foreign-body sensation

Closing the Epithelium Is Only the First Stage

Once the epithelial defect has closed, the surface is not yet fully mature.

The new epithelium must reorganise into a smooth optical layer.

This is one reason vision may still be:

Hazy
Variable
Slightly ghosted
Better at some times of day than others

even after the bandage lens has been removed.

The Corneal Stroma Is Also Healing

The excimer laser removes microscopic amounts of stromal tissue.

Corneal cells respond to this treatment.

Healing includes changes in:

Keratocyte activity
Extracellular matrix
Epithelial thickness
Corneal nerves
Light scattering

A three-year confocal-microscopy study found that corneal wound-healing changes continue long after the surface has closed. Activated stromal cells and measured haze peaked around three months in that study, while other microscopic changes persisted substantially longer.

This does not mean patients normally have poor vision for three years.

It means that biological healing continues long after the eye feels normal.

PRK Recovery Timeline at a Glance

Surgery Day: Day 0

Immediately after surgery:

Vision is blurry.
A bandage contact lens covers the cornea.
The eye is usually comfortable initially because anaesthetic drops are still working.
Light may appear hazy.
There may be halos around lights.
Tears may begin flowing.

During the following hours, the anaesthetic wears off.

Discomfort often increases.

What May Feel Normal on Surgery Day?

Common symptoms include:

Burning
Grittiness
Watery eyes
Light sensitivity
Blurred vision
Mild eyelid swelling
Difficulty keeping the eyes open
A sensation similar to having an eyelash or grain of sand in the eye

Both eyes may feel slightly different even when they underwent the same treatment.

What Should I Do?

Prioritise:

Rest
Prescribed medication
Avoiding eye rubbing
Keeping water out of the eyes

Many patients find it more comfortable to:

Rest with the eyes closed.
Stay in a dimly lit environment.
Wear sunglasses outdoors.
Use prescribed preservative-free lubricants.
Take the prescribed oral pain medication.

Can I Use My Phone?

You can, but you may not want to.

Screens do not damage the laser correction.

However, looking at a screen may worsen:

Light sensitivity
Dryness
Eye strain

Audio entertainment may be more comfortable during the first day.

The First Night

The first night is commonly uncomfortable.

You may notice:

Tearing
Difficulty sleeping
A burning sensation
Light sensitivity
Watery discharge

Follow the prescribed eye-drop schedule.

Do not:

Rub the eyes.
Press your face into the pillow.
Remove the bandage contact lens.
Use leftover anaesthetic drops.
Use unprescribed medication in the eye.

Day 1: The Healing Surface

For many patients, day 1 is one of the more uncomfortable stages of recovery.

Clinical studies measuring postoperative PRK pain consistently demonstrate substantial symptoms during this early period, which is why bandage lenses and pain-control strategies are used.

What Does Vision Usually Look Like?

Vision may be:

Hazy
Foggy
Soft-focused
Unequal between the two eyes

Reading small text may be difficult.

Some patients are pleasantly surprised by their distance vision.

Others see worse than expected.

Both patterns can occur normally.

Why Is Vision So Variable?

The epithelium is migrating across the cornea.

Think of the optical surface as temporarily being rebuilt.

Until that surface becomes smooth, light will not focus perfectly.

What Should I Avoid?

Avoid:

Driving
Eye rubbing
Water entering the eyes
Eye make-up
Dusty environments
Vigorous exercise
Swimming

Day 2: Often Still Uncomfortable

Day 2 can be similar to or occasionally more uncomfortable than day 1.

Symptoms may include:

Burning
Tearing
Photophobia
Fluctuating blur
Foreign-body sensation

This does not automatically mean the eye is getting worse.

The corneal nerves remain exposed while the epithelial defect continues closing.

Is Severe Pain Normal?

A considerable degree of discomfort can occur during routine PRK healing.

However, contact your treating clinic when there is:

Pain dramatically worse in one eye
Increasing redness
Sudden loss of vision
Thick discharge
A new white corneal spot

These features raise concern for something more than normal epithelial healing.

Day 3: Many Eyes Are Closing

For many patients, the epithelial defect is becoming small or has closed by approximately day 3.

In one randomised study, complete healing was documented in roughly two-thirds to three-quarters of eyes by day 3.

Other studies following PRK patients daily have likewise found rapid reduction in epithelial defects over the first three days.

What Usually Happens to the Pain?

As the epithelium closes, pain typically improves.

Tearing and light sensitivity also begin to reduce.

The improvement may feel surprisingly rapid once surface closure occurs.

Does Better Comfort Mean Perfect Vision?

No.

The surface may have closed but still be:

Irregular
Mildly swollen
Optically unstable

Your vision may remain blurry.

Days 4–5: Bandage Contact Lens Removal

Many surgeons assess epithelial closure around this stage.

If healing is adequate, the bandage contact lens may be removed.

Does Contact-Lens Removal Hurt?

Removal is usually brief and well tolerated.

Anaesthetic drops may be used if necessary.

Will Vision Immediately Become Clear?

Not necessarily.

Some patients experience:

Slightly clearer vision

Others temporarily notice:

More scratchiness
Fluctuating vision
Greater dryness

The newly formed epithelium is still immature.

Can the Epithelium Reopen?

Occasionally, fragile early epithelium can become disturbed.

This is one reason the surgeon checks healing before removing the lens.

Do not rub the eye after lens removal.

What Happens If My Eye Has Not Healed by Day 5?

Some eyes simply require longer.

Factors that may delay healing include:

Dry eye
Large treatment areas
Older age
Ocular-surface disease
Diabetes
Medication
Individual wound healing

The surgeon may:

Leave the bandage lens in place longer.
Replace it.
Modify medication.
Monitor more closely.

Delayed epithelial healing deserves appropriate follow-up but does not automatically mean a permanent problem.

Days 5–7: The First Major Turning Point

By the end of the first week, many patients notice a substantial improvement in comfort.

The main complaint often changes from:

“My eyes hurt.”

to:

“My eyes feel okay, but why isn’t my vision perfectly sharp yet?”

This is a normal transition.

What Is Vision Like at the End of Week 1?

Vision may be good enough for many daily activities but can remain:

Slightly foggy
Variable
Different between eyes
Worse later in the day
Less crisp in dim light
Associated with halos

Historical prospective PRK studies demonstrate significant early visual improvement over the first week and month after epithelial healing, although the exact rate varies with technique and treatment.

Why Does Vision Sometimes Get Worse After Initially Improving?

Common reasons include:

Epithelial remodelling
Dryness
Tear-film instability
Medication effects
Mild early wound healing
Temporary refractive fluctuation

Vision after PRK does not improve like a computer loading bar.

Fluctuation is expected.

Week 2: Increasingly Functional Vision

During the second week, many patients notice:

Better distance vision
Improved screen tolerance
Less photophobia
Less foreign-body sensation

However, you may still notice:

Dryness
Halos
Glare
Slight ghosting
Mild difficulty focusing
Different clarity between mornings and evenings

Is Dryness Normal?

Yes.

Corneal laser surgery temporarily alters corneal nerves and tear-film regulation.

A prospective study of tear function after PRK demonstrated postoperative tear abnormalities that gradually improved over subsequent months.

Why Does Vision Improve After Blinking?

If clarity temporarily improves after a blink, tear-film instability may be contributing.

The tear film forms the first optical surface of the eye.

When it breaks up between blinks, vision may fluctuate.

Preservative-free lubricants may help.

Can I Work Normally During Week 2?

Many patients can perform ordinary desk work.

You may still benefit from:

Larger font size
Regular breaks
Lubricants
Avoiding strong direct air-conditioning
Good lighting

Weeks 3–4: Vision Becomes More Predictable

During this phase, many patients feel significantly more confident about their result.

Common improvements include:

Sharper distance vision
More stable focusing
Less dryness
Reduced glare
Better night vision
Less difference between the eyes

However, small changes remain normal.

Should My Prescription Be Zero by One Month?

Not necessarily.

A small temporary residual prescription may remain.

The eye may appear:

Mildly short-sighted
Mildly long-sighted
Slightly astigmatic

as healing continues.

An early refraction does not necessarily represent the final result.

Should I Order New Glasses at One Month?

Usually not as a permanent prescription unless there is a specific reason.

If temporary glasses are required for:

Work
Driving
Safety

they may be prescribed.

Otherwise, waiting for greater refractive stability is often preferable.

One Month After PRK

At approximately one month, many patients have:

Good functional vision
Little or no pain
No bandage contact lens
Substantially reduced light sensitivity

Possible remaining symptoms include:

Dryness
Mild glare
Halos
Slight fluctuations
Reduced crispness at night

Why Is Night Vision Slower to Improve?

Night-time visual quality can be affected by:

Larger pupils
Tear-film instability
Residual refractive error
Epithelial irregularity
Higher-order aberrations
Early corneal light scatter

As the surface stabilises, these commonly improve.

One to Three Months: Refinement Phase

This period is less about wound closure and more about visual refinement.

Patients may notice gradual improvements in:

Crispness
Contrast
Night driving
Glare
Halos
Dryness
Refractive stability

Corneal Nerve Recovery

Corneal nerve regeneration is gradual.

A prospective TransPRK study found a measurable reduction in corneal nerve density after surgery, although corneal sensitivity itself returned towards baseline much earlier—within approximately one month in that study.

Older confocal studies also show that structural nerve regeneration continues for many months.

This helps explain why:

The eye may feel normal before microscopic recovery is complete.
Dry-eye symptoms may fluctuate for several months.

Why Am I Still Using Steroid Drops?

Postoperative steroids regulate the inflammatory wound-healing response.

They may help reduce the risk of excessive corneal haze.

The dose is commonly tapered gradually.

Do not alter the steroid schedule without advice.

Why Is Eye Pressure Checked?

Steroid drops can increase intraocular pressure in susceptible patients.

This usually produces no symptoms.

Follow-up pressure measurement is therefore important during prolonged steroid treatment.

Corneal Haze: When Does It Occur?

Haze is part of an abnormal or exaggerated stromal healing response.

Modern PRK techniques and mitomycin C have greatly reduced clinically important haze.

However, haze does not necessarily appear during the first week.

Studies of corneal healing show that stromal cellular activity and haze can become most apparent weeks to months after surgery. A confocal study found peak measured haze at approximately three months, and studies of breakthrough haze after mitomycin C have reported early haze around two months and more severe late haze later.

This is why follow-up remains important even when the epithelium healed perfectly during the first week.

What Does Haze Feel Like?

Mild haze may cause no symptoms.

More substantial haze may cause:

Foggy vision
Reduced contrast
Glare
Halos
Refractive regression

An ophthalmologist can identify haze on slit-lamp examination.

Does Haze Mean the Surgery Has Failed?

No.

Many mild haze changes improve.

Management depends on:

Timing
Severity
Visual effect
Depth
Refraction

Treatment may involve:

Modification of steroid therapy
Lubrication
Observation
Additional treatment in selected significant cases

A contemporary review emphasises that haze management should be individualised according to its timing, depth, visual effect and imaging findings.

Months 3–6: Increasing Stability

By this stage, most uncomplicated PRK patients experience stable functional vision.

There may still be gradual improvements in:

Fine clarity
Night vision
Dryness
Contrast
Refractive stability

Higher corrections may take longer to stabilise than lower corrections.

Can the Prescription Still Change?

Yes.

Small changes may occur from:

Epithelial remodelling
Stromal wound healing
Regression
Continued natural refractive change

The surgeon generally avoids rushing into an enhancement until stability has been demonstrated.

When Can an Enhancement Be Considered?

There is no universal date.

An enhancement is considered only when:

A meaningful residual prescription remains.
The prescription is stable.
The corneal surface is healthy.
Tomography remains satisfactory.
Adequate corneal tissue remains.
The residual error causes a genuine functional problem.

Waiting is important because some apparent residual error improves naturally.

Six Months and Beyond

For most patients, routine refractive healing has largely stabilised by this stage.

However, the cornea continues to undergo microscopic changes.

Confocal studies demonstrate that:

Nerve architecture
Epithelial thickness
Stromal cellularity

can continue changing beyond the point at which vision appears clinically stable.

Does This Mean My Vision Will Keep Changing?

Not necessarily.

Biological healing and clinically meaningful refractive change are different.

A patient may have:

Stable 6/6 vision
Stable refraction

while microscopic corneal recovery continues.

One Year After PRK

By one year, the result is generally considered long-term rather than postoperative recovery.

You should still attend routine eye examinations because PRK does not prevent:

Cataract
Glaucoma
Retinal tears
Macular degeneration
Presbyopia
Future refractive change

What Symptoms Are Normal During PRK Recovery?

Common early symptoms include:

Burning
Tearing
Light sensitivity
Grittiness
Blurred vision
Fluctuating vision
Halos
Mild redness
Dryness

Common later symptoms include:

Intermittent dryness
Mild night glare
Small fluctuations in clarity
Temporary residual prescription

The general direction should be towards improvement.

Symptoms That Are Not Typical

Contact your treating clinic urgently for:

Increasing pain after the eye had begun improving
Markedly greater pain in one eye
Increasing redness
Significant discharge
A white spot on the cornea
Sudden reduction in vision
Severe worsening of light sensitivity
Significant trauma
A bandage lens falling out with pain or visual deterioration

Why Worsening After Improvement Matters

Ordinary PRK pain usually improves as the epithelium closes.

A pattern of:

better → then significantly worse

deserves attention because it may indicate:

Corneal infection
Epithelial breakdown
Significant inflammation
Another complication

Corneal Infection

Infectious keratitis after PRK is uncommon but potentially sight-threatening.

During early healing, the normal epithelial barrier is temporarily incomplete.

Seek urgent assessment for:

Significant increasing pain
Redness
Reduced vision
Light sensitivity
Discharge
A white corneal infiltrate

Do not self-treat with leftover steroid drops.

The Bandage Contact Lens

The bandage lens is an important part of early PRK recovery.

It:

Covers the epithelial defect
Reduces eyelid friction
Improves comfort
Supports re-epithelialisation

A systematic review found that bandage lens characteristics can influence postoperative comfort and epithelial healing.

Can I Feel the Bandage Lens?

Sometimes.

You may experience:

Mild awareness
Grittiness
Intermittent movement sensation

Severe pain is not simply assumed to be the lens.

What if the Lens Falls Out?

Do not:

Pick it up
Rinse it
Reinsert it yourself

Contact the treating clinic.

Whether it needs replacement depends on:

Day of healing
Size of the remaining epithelial defect
Symptoms

Eye Drops During Recovery

The exact regimen varies between surgeons and procedures.

Antibiotic Drops

Antibiotic drops are generally used during the period when:

The epithelium is healing
The bandage contact lens is present

They reduce infection risk.

Steroid Drops

Steroids may be continued for:

Several weeks
Occasionally longer

depending on:

Prescription
Ablation depth
Haze risk
Corneal appearance

Lubricating Drops

Preservative-free lubricants may be used frequently because postoperative dryness can contribute to:

Blur
Burning
Fluctuation
Night glare

Do Not Use Old Eye Drops

Do not add:

Leftover antibiotics
Old steroid drops
Anaesthetic drops
Redness-relieving drops

without medical advice.

Why Topical Anaesthetic Drops Are Not Routinely Used at Home

Anaesthetic drops can make the cornea feel dramatically better.

Repeated unsupervised use may also:

Delay epithelial healing
Cause corneal toxicity
Mask serious symptoms

Pain management should follow the surgeon’s prescribed protocol.

Showering After PRK

You can usually shower, but during early recovery:

Keep the eyes closed.
Avoid direct shower spray.
Avoid shampoo entering the eyes.
Do not rub afterwards.

Tap water should not contact the healing cornea or bandage contact lens.

Washing Your Face

Use caution around the eyes during the first few days.

Do not:

Splash water forcefully
Rub the eyelids
Use facial products that may enter the eyes

Swimming

Avoid:

Swimming pools
Sea water
Hot tubs

during early healing.

The surgeon will advise when it is safe to resume.

A bandage contact lens and incompletely healed epithelium create a particularly important reason to avoid contaminated water.

Exercise

First Few Days

Prioritise healing.

Gentle walking is generally more appropriate than:

Running
Gym workouts
Heavy lifting

After the Epithelium Heals

Activity can usually increase progressively.

Avoid anything likely to result in:

Sweat entering the eye
Rubbing
Dust contamination
Trauma

until cleared.

Contact Sports

One advantage of PRK is the absence of a LASIK flap.

However, early postoperative corneal healing still needs protection.

Do not return immediately to:

Boxing
Martial arts
Rugby
Contact sports

simply because PRK is flap-free.

Screens and Reading

Screens do not reverse or damage the laser correction.

During the first few days, they may simply be uncomfortable.

Useful strategies include:

Increase font size.
Reduce screen brightness.
Take frequent breaks.
Blink deliberately.
Use prescribed lubricants.

Eye Make-Up

Avoid eye make-up during early healing.

Products such as:

Mascara
Eyeliner
Eye shadow
Make-up remover

can introduce particles or chemicals around the healing surface.

Resume according to the surgeon’s instructions.

Sunglasses

Sunglasses can be useful after PRK because they reduce:

Light sensitivity
Glare
UV exposure

Choose lenses with:

UV400 protection
Good coverage

They are particularly useful during the early postoperative months when the corneal wound-healing process remains active.

Sleep

You can sleep normally unless your surgeon gives specific instructions.

During the first few nights:

Avoid rubbing the eyes while half asleep.
Avoid pressing the eye heavily into a pillow.
Use protective shields if your surgeon recommends them.

Flying

Flying does not generally damage the PRK treatment.

However, cabin air is dry.

Consider:

Frequent lubricating drops
Avoiding air vents directed at the face
Carrying all medication in hand luggage

The bigger problem with immediate overseas travel is loss of access to postoperative follow-up.

Alcohol

Alcohol may:

Dehydrate
Interact with pain medication
Make eye-drop adherence less reliable

Avoid or limit it during the early postoperative period according to your surgeon’s advice.

Smoking

Smoking may:

Irritate the ocular surface
Expose the healing eye to smoke particles
Worsen dryness

Avoid cigarette and second-hand smoke during recovery.

Driving at Night

Night driving often becomes comfortable later than daytime driving because it places greater demands on:

Contrast sensitivity
Tear-film quality
Glare control
Pupil-dependent optics

Do not rush into night driving while you still experience significant:

Halos
Starbursts
Ghosting
Glare

Why One Eye May Recover Faster

Even when both eyes receive nearly identical treatment, they are biologically independent.

One eye may:

Heal the epithelium faster.
Produce fewer dry-eye symptoms.
Have a slightly different prescription.
Develop less temporary inflammation.

Minor asymmetry is common.

A large or increasing difference should be reviewed.

Why Vision May Be Better in the Morning

Some patients have clearer vision soon after waking because:

The tear film has been protected overnight.
There has been less evaporation.
The ocular surface is well lubricated.

Vision may deteriorate slightly during prolonged:

Screen use
Air-conditioning
Concentration

because blinking decreases.

Why Vision May Be Worse in the Morning

The opposite can also occur.

Morning blur may result from:

Overnight corneal hydration
Dryness on waking
Mucus
Healing epithelial changes

The pattern usually becomes more stable with time.

Ghosting and Double Edges

Early optical symptoms may include:

Shadow images around letters
Double edges
Starbursts
Slight monocular doubling

Possible causes include:

Tear instability
Residual astigmatism
Epithelial irregularity
Higher-order aberrations
Haze

These often improve during healing.

Persistent symptoms require assessment.

Halos

Halos commonly occur around:

Street lamps
Headlights
Bright text on a dark background

They frequently improve over the first few weeks or months.

Starbursts

Starbursts may become more noticeable with:

Large pupils
Dryness
Residual refractive error

Improvement commonly parallels surface and refractive stabilisation.

Dry Eye After PRK

Dryness may persist longer than pain.

Symptoms include:

Burning
Grittiness
Fluctuating vision
Reflex tearing
Eye fatigue
Intermittent blur

A prospective study found postoperative abnormalities in tear-film measurements at two months after PRK, with substantial recovery towards baseline by four months.

Individual recovery can be shorter or longer.

Managing Dryness

Management may include:

Preservative-free lubricants
Warm compresses where appropriate
Meibomian-gland treatment
Temporary punctal plugs in selected patients
Anti-inflammatory dry-eye therapy

The appropriate treatment depends on the cause.

What Is Regression?

Regression means that some refractive error gradually returns after the initial result.

It is different from normal early visual fluctuation.

True regression is assessed after:

The epithelium has healed.
The tear film is stable.
Repeated refractions demonstrate a trend.

It is more common after larger refractive corrections.

What If I Am Still Slightly Short-Sighted at Three Months?

This may or may not require treatment.

The surgeon will consider:

Magnitude
Symptoms
Stability
Distance and near needs
Corneal measurements

A tiny residual prescription may have no practical significance.

What If I Am Slightly Long-Sighted?

Temporary hyperopic shifts can occur during healing.

Again, the trend over repeated examinations is more important than one early measurement.

PRK Recovery Versus LASIK Recovery

PRK

More discomfort during days 1–3
Epithelial healing required
Bandage contact lens
Functional recovery over days to weeks
Fine stabilisation over weeks to months

LASIK

Usually mild early discomfort
No large epithelial defect
Rapid functional visual recovery
Often useful vision by the following day

Does Slower Recovery Mean PRK Gives Worse Final Vision?

No.

Recovery speed and final outcome are separate issues.

PRK may take longer to reach the same level of visual clarity, but modern studies demonstrate strong long-term refractive outcomes in appropriately selected patients.

PRK Versus TransPRK Recovery

TransPRK uses the excimer laser to remove the epithelium rather than removing it manually or with alcohol.

Some studies report:

Faster early epithelial healing
Less discomfort
Faster early visual rehabilitation

while others show only small differences.

Regardless of technique:

TransPRK is still surface ablation.

The epithelium still needs to regenerate.

Patients should not expect LASIK-like next-day recovery simply because the procedure is described as “no-touch”.

Can I Speed Up PRK Recovery?

There is no safe shortcut around corneal biology.

The most useful actions are:

Use prescribed medication correctly.
Attend every scheduled review.
Use lubricants as instructed.
Avoid rubbing.
Avoid contaminated water.
Avoid unnecessary UV exposure.
Sleep adequately.
Treat pre-existing dry eye.
Report worrying symptoms early.

What Can Slow Recovery?

Possible factors include:

Dry eye
Eyelid disease
Poor medication adherence
Infection
Diabetes
Abnormal wound healing
Higher correction
Significant haze
Ocular allergy and eye rubbing

Do Supplements Speed Up PRK Healing?

There is no standard nutritional supplement proven to meaningfully accelerate routine PRK visual recovery in well-nourished adults.

A balanced diet and normal nutrition support general healing.

Do not replace prescribed postoperative treatment with:

Vitamins
Herbal products
Fish oil
Unproven “corneal healing” supplements

When Should I Be Worried?

Usually Normal

During early recovery:

Burning
Tearing
Light sensitivity
Blurred vision
Mild redness
Fluctuating clarity
Halos
Dryness

Contact the Clinic Promptly

When there is:

Increasing rather than decreasing pain
Significant asymmetric pain
Increasing redness
Falling vision
Purulent discharge
A white corneal spot
Bandage lens displacement with symptoms

Seek Urgent Care

For:

Sudden severe visual loss
Major trauma to the eye
Chemical exposure
Severe pain with marked redness
A sudden curtain or shadow
New flashes with a shower of floaters

The last two symptoms may indicate a retinal problem and are not ordinary PRK recovery symptoms.

Common Myths

“I Should See Perfectly the Day After PRK”

False.

That expectation is more appropriate for LASIK than PRK.

“If My Vision Is Blurry at One Week, Something Has Gone Wrong”

Not necessarily.

Visual fluctuation during the first several weeks is common.

“The Bandage Contact Lens Means My Cornea Has Not Been Lasered”

False.

The lens is simply protecting the healing surface.

“Once the Bandage Lens Comes Out, Recovery Is Finished”

False.

Epithelial remodelling, tear recovery and stromal healing continue.

“Pain Should Last for Weeks”

Usually false.

Significant epithelial pain is generally concentrated in the first few days.

Persistent or increasing pain requires assessment.

“I Can Judge the Final Result at One Week”

False.

One week is far too early.

“Blur After PRK Means the Prescription Was Wrong”

Not necessarily.

Early blur is often biological rather than refractive.

“One Eye Being Clearer Means the Other Eye Failed”

False.

Asymmetric recovery is common.

“Fluctuating Vision Means the Laser Is Wearing Off”

False.

Early fluctuations usually reflect healing and tear-film instability.

“Once I See 6/6, I Can Stop My Steroid Drops”

False.

Medication duration is determined by wound-healing considerations, not visual acuity alone.

“Steroid Drops Are Only for Pain”

False.

Their main postoperative role is regulation of inflammation and corneal healing.

“Haze Always Happens in the First Week”

False.

Clinically important haze may develop weeks or months later.

“TransPRK Has No Recovery Period”

False.

The surface epithelium is still removed.

“Screens Slow Corneal Healing”

Normal screen use does not damage the treatment.

It may increase dryness and discomfort.

“Reading Will Change My Laser Result”

False.

“Once PRK Is Healed, I Never Need an Eye Examination Again”

False.

PRK does not prevent future:

Cataract
Glaucoma
Retinal disease
Presbyopia

Frequently Asked Questions

What Is the Worst Day After PRK?

For many patients, the first 24 to 72 hours are the most uncomfortable.

The exact peak varies.

When Does the Burning Stop?

It usually improves substantially as the epithelium closes, commonly over three to five days.

How Long Will My Eyes Water?

Heavy tearing is most common during the first few days and usually reduces as the surface heals.

How Long Will I Be Light-Sensitive?

Significant photophobia commonly improves during the first week.

Milder sensitivity may persist longer.

Why Are My Eyes Still Dry at One Month?

Corneal nerves and tear-film regulation are still recovering.

Dry-eye symptoms can persist for several months in some patients.

Is It Normal for Vision to Change Hour by Hour?

Yes, particularly during the first few weeks.

Dryness and epithelial remodelling are common causes.

Is It Normal to See Halos at One Month?

Yes, provided they are improving and examination is reassuring.

Persistent or worsening halos should be investigated.

When Can I Read Normally?

Many people can read within the first several days, although it may be uncomfortable or blurry.

Comfort typically improves over the following week.

When Can I Use a Computer for a Full Day?

Many patients gradually return during the first week.

Long sessions may remain tiring because of dryness.

When Can I Return to the Gym?

The answer depends on the surgeon’s protocol and the type of exercise.

Gentle exercise returns earlier than:

Heavy lifting
Contact sports
Swimming

Can Sweat Damage PRK?

Sweat itself does not reverse the laser correction, but sweat entering a healing eye can:

Irritate
Encourage rubbing
Contaminate the surface

When Can I Wash My Hair?

Usually early, provided water and shampoo are carefully kept out of the eyes.

When Can I Wear Make-Up?

Wait until the corneal surface has healed and the surgeon permits it.

When Can I Swim in a Pool?

Not while the epithelium is healing or the bandage lens remains in place.

Follow the surgeon’s specific timeline.

When Can I Go to the Beach?

Outdoor activity may resume earlier than swimming.

Use:

UV400 sunglasses
Good eye protection

Avoid sand entering the eyes.

Can I Travel One Week After PRK?

Possibly, provided:

Healing is normal.
Follow-up requirements are met.
Medication is available.
The destination has access to eye care if necessary.

When Can I Fly?

Flying itself usually does not harm PRK.

Cabin dryness may worsen symptoms.

Can I Take a Long-Haul Flight?

The bigger considerations are:

Dryness
Medication schedule
Access to follow-up

rather than cabin pressure.

Why Do My Eyes Feel Good but Vision Is Still Hazy?

Pain is mainly related to epithelial exposure.

Once the surface closes, pain can improve quickly while optical smoothness continues developing.

Why Is My Near Vision Strange?

Temporary refractive fluctuation can affect both distance and near vision.

Older patients may also notice previously compensated presbyopia after distance correction.

Why Do White Letters on a Black Background Look Worse?

High-contrast lights in darkness emphasise:

Halos
Tear instability
Optical aberrations

These often improve during recovery.

Can My Vision Become Worse Again at Two Months?

Small fluctuations may occur.

A meaningful sustained deterioration deserves assessment for:

Dry eye
Residual prescription
Haze
Other ocular causes

Can Haze Appear After I Was Seeing Well?

Yes.

Some haze develops later in the wound-healing process rather than immediately after surgery.

Does Every Patient Develop Haze?

No.

Clinically significant haze is uncommon with modern PRK, careful patient selection and appropriate use of mitomycin C.

How Long Should I Use Sunglasses?

Follow the surgeon’s recommendation.

UV400 sunglasses are particularly sensible during the early healing months.

When Is My Prescription Final?

For many patients it becomes increasingly stable over one to three months.

Higher corrections or unusual healing may take longer.

When Can I Decide Whether I Need Enhancement?

Only once repeated measurements demonstrate stable residual refractive error.

Could My PRK Continue Improving After Three Months?

Yes.

Fine improvements in:

Clarity
Dryness
Night vision

can continue beyond three months.

When Should I Stop Thinking of Myself as Postoperative?

There is no exact date.

Most day-to-day limitations disappear relatively early, while corneal remodelling continues much longer.

A Simple PRK Recovery Calendar

Day 0

Expect:

Blurred vision
Increasing discomfort
Tearing
Light sensitivity

Priorities:

Rest
Medication
No rubbing
Keep eyes dry

Day 1

Expect:

Significant blur
Burning or foreign-body sensation
Photophobia

Priorities:

Continue drops
Rest
Attend follow-up if scheduled

Day 2

Expect:

Similar or improving discomfort
Very variable vision

Watch for:

Increasing redness
Severe asymmetric pain
Falling vision

Day 3

Expect:

Pain often beginning to improve
Epithelial defect becoming much smaller

The surgeon may assess whether the surface has closed.

Days 4–5

The bandage lens may be removed if healing is adequate.

Expect:

Major improvement in comfort
Vision still not fully sharp

Week 1

Expect:

Functional but fluctuating vision
Dryness
Halos
Improving light sensitivity

Week 2

Expect:

Better daily function
Increasingly stable distance vision
Some dryness and night glare

Weeks 3–4

Expect:

Sharper vision
Less fluctuation
Improving screen and driving comfort

Months 1–3

Expect:

Refinement of visual quality
Improving dryness
Increasing refractive stability

Continue:

Steroid taper as prescribed
Lubricants
Follow-up

Months 3–6

Expect:

Stable functional vision for most patients
Further fine improvement possible

The surgeon assesses:

Refraction
Corneal clarity
Haze
Need for any future enhancement

The Bottom Line

PRK recovery occurs in stages.

The first few days are dominated by surface healing.

During approximately days 1 to 3, patients commonly experience:

Pain
Burning
Tearing
Light sensitivity
Blurred vision

Bandage contact lenses help protect the cornea and reduce discomfort.

The epithelium commonly closes within approximately three to five days.

After that:

Comfort improves faster than vision.
The surface continues smoothing.
Tear-film stability gradually improves.
Refraction becomes more predictable.
Night glare and halos generally decrease.

Many patients have functional vision by the end of the first week, but one week is too early to judge the final result.

During the first month, it is normal for vision to:

Fluctuate
Differ between the eyes
Change during the day
Become temporarily blurrier when the eyes are dry

During months 1 to 3:

Vision becomes increasingly crisp.
Dryness usually improves.
Night vision stabilises.
The corneal wound-healing response continues.

Corneal haze, when it occurs, may become apparent weeks or months rather than days after PRK, which is one reason steroid adherence and scheduled postoperative reviews remain important.

Microscopic corneal nerve and stromal healing continues even longer, despite the patient already seeing well.

The most important practical message is:

Do not judge PRK by how clearly you see on day 1, day 3 or even day 7. Early PRK recovery is about allowing the corneal surface to heal safely. Visual quality then improves progressively over the following weeks and months.

At the same time, recovery should generally trend towards improvement.

Increasing pain, redness, discharge, a white corneal spot or a sudden drop in vision is not something to simply “wait out”. Contact the treating ophthalmologist promptly.

References

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Grentzelos MA, et al. Bandage contact lens use after photorefractive keratectomy. J Cataract Refract Surg. 2019. PMID: 31213328.
Duru Z, et al. Effects of senofilcon A and lotrafilcon B bandage contact lenses on epithelial healing and pain management after bilateral photorefractive keratectomy. 2019. PMID: 31495762.
American Academy of Ophthalmology. Management of pain after photorefractive keratectomy: an evidence report. Ophthalmology. 2023. PMID: 36207168.
Shetty R, et al. Cold bandage contact lens use reduces post-photorefractive keratectomy pain perception. 2023. PMID: 37203044.
Zarei-Ghanavati S, et al. Comparison of mechanical debridement and transepithelial myopic photorefractive keratectomy: a contralateral-eye study. J Curr Ophthalmol. 2019. PMID: 31317090.
Shahinian L Jr, et al. Laser-assisted subepithelial keratectomy versus photorefractive keratectomy: prospective comparative study. PMID: 12160800.
Liu C, Yu A, Zhang C, et al. Structural and functional alterations in corneal nerves after single-step TransPRK. J Cataract Refract Surg. 2022;48:778–783. PMID: 34864776.
Erie JC, et al. Corneal wound healing after photorefractive keratectomy: a three-year confocal microscopy study. Am J Ophthalmol. 2004. PMID: 14971584.
Kymionis GD, et al. In vivo observation of corneal nerve regeneration after photorefractive keratectomy. PMID: 9479521.
Balestrazzi A, et al. Evaluation of tear osmolarity changes after photorefractive keratectomy. PMID: 26488623.
Varshovi I, et al. Dry eye after photorefractive keratectomy and transepithelial PRK: a comparative clinical study. 2025. PMID: 40540100.
Moshirfar M, et al. Management of corneal haze after photorefractive keratectomy. Ophthalmol Ther. 2023. PMID: 37603162.
Kaiserman I, et al. Corneal breakthrough haze after photorefractive keratectomy with mitomycin C: incidence and risk factors. PMID: 28542088.
Corneal haze after photorefractive keratectomy: current concepts and prevention. PMID: 34538661.