dellen


dellen

 [del´en] saucer-shaped excavations at the periphery of the cornea, usually on the temporal side.

del·len

(dĕl'en), Although in German spelling Dellen, like all nouns, begins with a capital letter, its English derivative is spelled with a lowercase d.Shallow, saucerlike, clearly defined excavations at the margin of the cornea, about 1.5 by 2 mm, due to localized dehydration; also called Fuchs dellen. [Ger. pl. of Delle, low ground, pit]

dellen

Ophthalmology Foci of stromal degeneration with reversible corneal attenuation, caused by a break in the tear film layer, due to a local elevation of the cornea–eg, pterygium, filtering blebs, suture granuloma, or limbal tumors

del·len

(del'ĕn) Shallow, saucerlike, clearly defined excavations at the margin of the cornea, about 1.5 by 2 mm, due to localized dehydration; also called Fuchs dellen. [Ger. pl. of Delle, low ground, pit]

dellen

A transient shallow depression in the cornea near the limbus which is caused by a local dehydration of the corneal stroma, leading to a compression of its lamellae. It can occur as a result of strabismus surgery, cataract surgery, swelling of the limbus (as in episcleritis or pterygium), rigid contact lens wear or senility.