Cataract
71cataract — /ˈkætərækt / (say katuhrakt) noun 1. a descent of water over a steep surface; a waterfall, especially one of considerable size. 2. any furious rush or downpour of water; deluge. 3. an abnormality of the eye, characterised by opacity of the lens.… …
72cataract — A condition in which the lens of the eye becomes cloudy. Symptoms include blurred, cloudy, or double vision; sensitivity to light; and difficulty seeing at night. Without treatment, cataracts can cause blindness. There are many different types… …
73cataract — [15] Greek kataráktēs meant literally ‘swooping down, rushing down’; it was a derivative of the verb katarássein, a compound formed from the prefix katá ‘down’ (which appears in a wide range of English words, including cataclysm, catalepsy,… …
74cataract — n. 1 a a large waterfall or cascade. b a downpour; a rush of water. 2 Med. a condition in which the eye lens becomes progressively opaque resulting in blurred vision. Etymology: L cataracta f. Gk katarrhaktes down rushing; in med. sense prob. f.… …
75atopic cataract — cataract sometimes occurring in the third decade or later in those with longstanding atopic dermatitis …
76cataract delirium — see black patch delirium …
77cataract extraction extracapsular — the surgical removal of the anterior capsule of a cataractous lens and of the lens contents (cortex and nucleus) …
78cataract extraction intracapsular — the surgical removal of a cataractous lens and its capsule …
79Cataract Canyon — noun a tributary of the Grand Canyon • Instance Hypernyms: ↑gorge • Part Holonyms: ↑Arizona, ↑Grand Canyon State, ↑AZ …
80cataract surgery — noun eye surgery that involves removing all or part of the lens and replacing it with an intraocular lens implant • Hypernyms: ↑eye operation, ↑eye surgery • Hyponyms: ↑intracapsular surgery, ↑extracapsular surgery …
