In the developed world cataracts hardly ever cause blindness, and mostly elderly people are affected.
在发达国家，白内障很难造成永久性的失明，并且大多数只是老年人才受影响。
Diabetes leads to inadequate blood sugar control, which can damage the kidneys and cause blindness. It can also cause heart disease and strokes.
糖尿病会导致血糖控制不足，进而损害肾脏，导致失明，同时可以导致心脏病和中风。
Soldiers particularly feared chemical gas attacks because they could cause blindness, blistering and a slow, painful death. The weapons are now outlawed by international agreement in most countries.
兵士们都格外畏惧化学气体攻击，因为它们可以致盲，引起水泡和痛苦的慢性死亡。如今大部分国家都签署了禁止化学武器的国际公约。
Lao Tzu said, "Iridescent colors cause blindness. Beautiful music causes deafness; delicious food causes loss of taste. Racing and hunting cause madness."
老子说：“五色令人目盲，五音令人耳聋，五味令人口爽，驰骋田猎令人心发狂。”
Over time, diabetes can cause blindness, kidney disease, and nerve damage.
长时间的糖尿病会引起失明，肾脏疾病和神经损伤。
AMD can cause blindness and is known to have both genetic and environmental risk factors.
由于遗传学和环境高危因素原因，AMD会致失明。
Disorders affecting the retina or the macula in its centre decrease vision and can cause blindness.
影响视网膜和中心黄斑的病变会减退视力并可导致眼盲。
Diabetes leads to inadequate blood sugar control, which can damage the kidneys and cause blindness.
糖尿病导致血糖失控，破坏肾脏功能，造成失明。
If not recognized and treated, glaucoma may cause blindness that could have been prevented in most patients.
多数青光眼病人是可以治疗的，但是，如果没有及时识别和治疗，青光眼也可以致盲。
Most of the time, the eruption is confined to the skin, but it can also affect the eyes and cause blindness. Patients can also develop a chronic pain syndrome that can be difficult to treat.
大多时候，病变只局限于皮肤，但也能影响到眼睛，甚至造成视力丧失，另外，有时还可遗留慢性疼痛症状，变得难以治疗。
Most of the time, the eruption is confined to the skin, but it can also affect the eyes and cause blindness. Patients can also develop a chronic pain syndrome that can be difficult to treat.
大多时候，病变只局限于皮肤，但也能影响到眼睛，甚至造成视力丧失，另外，有时还可遗留慢性疼痛症状，变得难以治疗。
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