An unusual case of feline acute corneal hydrops: atypical disease presentation and possible invivo detection of Descemet's membrane detachment in the cat's unaffected eye.
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A 1-year-old, female spayed, domestic shorthair cat presented for blepharospasm of the right eye. Slit-lamp biomicroscopic examination showed focal corneal ulceration and presumptive keratomalacia of the right eye. Examination of the left eye was normal apart from a focal endothelial opacity. Within the first 24h of medical management, the right eye developed marked corneal edema and globular anterior protrusion of the corneal surface consistent with feline acute corneal hydrops (FACH). Surgical management consisted of a bridge conjunctival graft, nictitating membrane flap, and temporary tarsorrhaphy. Resolution of corneal edema and pain occurred in the right eye within 24days. Spectral domain optical coherence tomography (SD-OCT) of the anterior segment was performed in both eyes. Conjunctival tissue from the bridge graft precluded examination of deeper corneal structures in the right eye. The left eye displayed a focal separation of the corneal endothelium and Descemet's membrane from the overlying stroma. These SD-OCT findings are similar to the analogous syndrome found in humans and represent a potential etiology for FACH of the right eye in the case presented here. Unfortunately, the cat was lost to follow-up and the progression of this lesion to FACH in the left eye could not be determined.
author list (cited authors)
Schlesener, B. N., Scott, E. M., & Vallone, L. V.
complete list of authors
Schlesener, Brittany N||Scott, Erin M||Vallone, Lucien V