Progression of corneal thinning and melting after collagen cross-linking for keratoconus.

Objective: To study the aetiology, diverse clinical manifestations, therapeutic interventions, and prognoses in patients with corneal thinning after collagen cross-linking (CXL) treatment.

Methods: a retrospective observational study of all patients presenting with corneal thinning after collagen cross-linking, in a tertiary eye care hospital in south India from 2011 to 2017. Preoperative details were noted.