The science and art of surgery : being a treatise on surgical injuries, diseases, and operations . Fig. 571.—Commeacng ; Opaquestreaks converging from the margin:the (larlier strije are in the anterior partsof the leas. Fig. 372.—Commeucing Cataract; Opaquestreaks divergin, from the centre. Thelens-nucleus is altogether obscured. the , according to the direction of the lens-fil)res, of which someonly have become opaque, always diverge from or converge to tlie centreof the lens. In hard cataracts the cortical parts, as in the normal lens,are always comparatively soft, sometimes


The science and art of surgery : being a treatise on surgical injuries, diseases, and operations . Fig. 571.—Commeacng ; Opaquestreaks converging from the margin:the (larlier strije are in the anterior partsof the leas. Fig. 372.—Commeucing Cataract; Opaquestreaks divergin, from the centre. Thelens-nucleus is altogether obscured. the , according to the direction of the lens-fil)res, of which someonly have become opaque, always diverge from or converge to tlie centreof the lens. In hard cataracts the cortical parts, as in the normal lens,are always comparatively soft, sometimes very soft, with a hard nucleusonly; but these are cases of secondary degeneration, by which, even the FORMS OF CATARACT. 433 nucleus may at last become dissolved. In rare cases, an indefinite cen-trtil haze, without any pattern, indicates the beginning of there are not untVequent cases of haziness of tiie lens, as a senilechange, or from intraocular pressure (see Glaucoma), which must notbe called cataract, for it is sometimes found together with good vision,and the haziness m


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