Cataract: Opacity of the eye's crystalline lens. Cataracts causing central visual-field defects are most likely to affect vision.
白内障：表现为眼内水晶体混浊的眼科病。白内障导致的视野缺损多半会损害视力。
Cataract: Opacity of the eye's crystalline lens. Cataracts causing central visual-field defects are most likely to affect vision.
白内障：表现为眼内水晶体混浊的眼科病。白内障导致的视野缺损多半会损害视力。
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