Val Phua

Learn about keratoconus symptoms, risk factors, corneal topography, progression, cross-linking, scleral lenses, ring implants and corneal transplantation.

Learn about glaucoma symptoms, open-angle and angle-closure glaucoma, eye pressure, OCT, visual-field testing, eyedrops, laser and surgery.

Learn how an epiretinal membrane causes blurred and distorted central vision, how OCT diagnoses it and when vitrectomy and membrane peeling are needed.

Learn about dry eye symptoms, aqueous and evaporative dry eye, meibomian-gland dysfunction, diagnosis, eyedrops, IPL, punctal plugs and advanced treatment.

Learn about diabetic retinopathy symptoms, stages, diabetic macular oedema, screening, eye injections, laser treatment and retinal surgery.

Learn the warning signs of a corneal ulcer, including pain, redness, blurred vision and a white corneal spot, and why urgent treatment is essential.

Learn what causes a chalazion, how it differs from a stye, how warm compresses help and when steroid injection, surgery or biopsy may be needed.

Learn about cataract symptoms, causes, types, diagnosis, surgery, lens options, recovery and when blurred or glare-affected vision should be treated.

Learn about blepharitis symptoms, anterior and posterior blepharitis, Demodex mites, meibomian-gland dysfunction, eyelid hygiene and treatment.