烟中毒性弱视是氰化物引起的慢性中毒性视神经病变。长期吸烟的人可引起严重的视力障碍、视野缺损和视神经萎缩。它是危害我国工人、农民等嗜好吸烟者视力的重要原因之一。其发病率,据个别医院统计,我国劳远琇报导(1979)占原因不明视力减 Smoke toxic amblyopia is cyanide-induced chronic toxic optic neuropathy. Long-term smokers can cause severe visual impairment, visual field defects and optic atrophy. It is one of the important reasons that endanger the eyesight of workers, peasants and other hobby smokers in our country. The incidence rate, according to individual hospital statistics, reported in our country far away ((1979) accounts for unknown causes of vision loss