dellen /del·len/ (del´in) saucer-shaped excavations at the periphery of the cornea, usually on the temporal side.
dellen [del´en]
dellen
del·len (d l  n)pl.n. Shallow excavations along the outer edge of the cornea that are caused by localized dehydration. |
dellen [del´en]
saucer-shaped excavations at the periphery of the cornea, usually on the temporal side.
dellen
saucer-shaped excavations at the periphery of the cornea, usually on the temporal side.
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.
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
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