cataract
Biology

cataract


Term: cataract
Origin:  Anc Greek ???????????/cataractis(=waterfall) >
????/cata(=down)+ ????>???/roe(=running of water) à pour down

Coined: the term was coined in modern ophthalmology  metaphorically  because the whiteness is supposed to be reminiscent of the churned-up water of a cataract.

Definition:
Eye disease that involves the opacity of the natural lens of the eye or in its envelope causing impairment of vision




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