CATARACT

(Yunanca köken — orijinale bakınız.) An opacity of the crystalline lens of the eye, producing confused or indistinct vision, or total blindne , according to the le or greater extent of the thickening: it is sometimes rapid, and often very slow in its progre . It is distinguished from gutta serena by the visible opacity of the lens, and by the iris contracting upon exposure of the eye to light. This disease is curable either by depre ing or extracting the lens, operations which are performed with wonderful dexterity by some of our oculists. 202 [s. 216]