Keratoconus is a condition characterized by biomechanical instability of the cornea, presenting in a progressive, asymmetric and bilateral way. Corneal collagen crosslinking (CXL) with riboflavin and Ultraviolet-A (UVA) is a new technique of corneal tissue strengthening that combines the use of riboflavin as a photo sensitizer and UVA irradiation. Studies showed that CXL was effective in haltin...

Acute corneal hydrops is a rare complication caused by a rupture in Descemet’s membrane as a result of progressive corneal thinning, normally due to advanced forms of corneal ectatic disorders.We report a case of unilateral pellucid marginal degeneration (PMD) which presented as acute corneal hydrops in a 56-year-old woman with no history of ocular or systemic disease. J Emmetropia 2014; 5: 43-...