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弱视是指没有异常眼部表现的视力损害。营养性弱视分为原发性和继发二类。后者以烟中毒性弱视(tobaco amblyopia)为代表,也包括烟酒精中毒性弱视和酒精中毒性弱视。近来将Leber 遗传性视神经病变也包括在营养性弱视之内。
Amblyopia means visual impairment without abnormal eye performance. Nutritional amblyopia is divided into primary and secondary categories. The latter is represented by tobaco amblyopia, which also includes azoospermic alcoholism and amblyopia with alcoholism. Recently, Leber’s hereditary optic neuropathy is also included in nutritional amblyopia.