Corneal surgery and disorders

The cornea's mechanical integrity determines how well the eye focuses light, and when its collagen architecture weakens—as in keratoconus, where the tissue progressively thins and bulges—vision can deteriorate severely without intervention. Researchers use tools like the Ocular Response Analyzer to measure subtle differences in corneal stiffness and intraocular pressure, helping clinicians detect disease early and track how treatments such as riboflavin-ultraviolet-A collagen crosslinking halt or reverse structural decline. Surgical approaches including endothelial keratoplasty, which replaces only the innermost corneal layer rather than the full thickness, have improved recovery and reduced rejection rates compared with traditional transplantation. Active questions center on predicting which patients will respond best to crosslinking versus transplantation, and on how refractive surgeries like LASIK alter biomechanical properties in ways that may affect long-term outcomes.

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Keywords

Corneal BiomechanicsKeratoconusCollagen CrosslinkingCorneal TransplantationOcular Response AnalyzerEndothelial Keratoplasty