食糖过多能导致肥胖、心血管病、龋齿、骨质脆弱;吸烟可引起呼吸道炎症、心血管病、多种癌症、胄炎、消化性溃疡;嗜酒会促进肝硬化、癌症、胃肠道疾病的发生。这是大家十分熟悉的,但这三种东西与视力减退有关,可能还鲜为人知。 长期吸烟者,有些会产生“烟草中毒性弱视”,这已经得到了充分的证实。病人开始时即双眼同时发病,视力慢慢地减退,视觉逐渐模糊,颜色辨别困难,甚至会出现视神经萎缩和失明。此病发展缓慢,早期没有明显的症状和体征,常在不知不觉中悄 Excessive sugar can lead to obesity, cardiovascular disease, dental caries, bone fragility; smoking can cause respiratory inflammation, cardiovascular disease, a variety of cancer, inflammation, peptic ulcer; alcohol can promote cirrhosis, cancer, gastrointestinal diseases happened. This is everyone’s familiar, but these three things and vision loss, may still little-known. Long-term smokers, some will produce “tobacco amblyopia”, which has been fully confirmed. At the beginning of the patient that the simultaneous onset of both eyes, eyesight diminished gradually blurred vision, color identification difficulties, and even optic nerve atrophy and blindness. The disease develops slowly, early no obvious symptoms and signs, often unwittingly quiet