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Dots, cysts and maps in the cornea of a patient complaining of suggestive recurrent corneal erosions episodes.

Named after the slit lamp appearance of corneal findings, Map-dot-fingerprint Dystrophy is the most common corneal dystrophy. Map-dot-fingerprint dystrophy, Cogan’s dystrophy, Cogan microcystic epithelial dystrophy, epithelial basement membrane dystrophy, and anterior basement membrane dystrophy all designate the same condition.

Geographical fluorescein pattern of a HSV keratitis recurrence on a corneal graft

The prognosis for a successful penetrating keratoplasty (PK) in eyes without inflammation prior to surgery approaches 80%. Nevertheless PK will not change the rate of HSV disease recurrence since it results from reactivation of latent virus lodged in the nerve ganglion.
Despite prophylactic oral antiviral therapy following PK for 12 months this patient suffered HSV keratitis relapse.