Astigmatism - Keratoconus and Corneal Cross-Linking

1 MCQs in Ophthalmology for NEET PG

1 Hard

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Sample Questions

hard

A 55-year-old man with corneal astigmatism of +1.50 D × 180° (from keratoconus) undergoes corneal cross-linking (CXL). Six months later, his astigmatism has increased to +2.25 D × 180°. Anterior segment OCT shows stable corneal thickness and no evidence of progression. Which factor most likely accounts for the increased astigmatism despite stabilization?

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