English-Chinese/Blindness from cataracts

Blindness from cataracts occurs in about 10 to 40 per 100,000 children in the developing world, and 1 to 4 per 100,000 children in the developed world.

白内障的失明发生在发展中国家每10万名儿童中约10至40名，发达国家每10万名儿童中有1至4名白内障。