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Learn what causes pterygium, how it affects vision and astigmatism, when removal is needed and how modern graft surgery reduces recurrence.

Learn the warning signs of a corneal ulcer, why contact-lens infections are urgent and how antibiotics, corneal scraping and surgery protect vision.

Author: Dr Val PhuaEstimated reading time: 12–14 minutes What Is Corneal Cross-Linking? Corneal cross-linking, commonly abbreviated as CXL, is a procedure used to strengthen a…

Author: Dr Val PhuaEstimated reading time: 11–13 minutes What Is Keratoconus? Keratoconus is a condition in which the cornea gradually becomes thinner, weaker and more…