Spontaneous acute corneal hydrops in a patient with previously undetected unilateral pellucid marginal degeneration

ABSTRACT: 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.