Thygeson superficial punctate keratitis

Definition

A rare disorder of the anterior segment of the eye characterized by chronic recurrent epithelial keratitis manifesting with groupings of small, slightly elevated, ovoid, grayish-white intraepithelial opacities, usually located in the central cornea. Patients present with photophobia, tearing, foreign body sensation, and blurred vision. The condition is typically bilateral, takes a relapsing-remitting course, and is mostly self-limiting after a few years.