Cataract - Etymology | Cataract History or Origin

The word cataract is derived from a Greek word, "katarraktes" which means "Waterfall"

Definition:

It is a medical condition in which there is a partial or complete opacity of lens or the capsule of the lens, the lens becomes cloudy causing blurring of vision or blindness.

Classification:

Cataracts are mainly classified into two categories:

(1) Morphology (size, shape, location)

(2) Etiology (cause)