按 WHO 的盲目分级标准,对佳木斯地区桦南、汤原两个县42万人群盲目的患病情况进行了调查,共查出盲目患者1191例,占人群的0.28%。其中双眼盲451例,患病率为0.11%,单眼盲740例,患病率为0.18%。患病率随年龄的增长而增加。致盲原因以眼外伤居首位,依次为角膜病、青光眼、沙眼、白内障。因此,本地区对于眼外伤及感染 According to the WHO blind grading standards, blindness of 420,000 people in two counties of Huanan and Tangyuan counties in Jiamusi District were investigated. A total of 1,191 blind patients were found, accounting for 0.28% of the total population. Among them, 451 eyes were blind, the prevalence was 0.11%, monocular blind 740 cases, the prevalence was 0.18%. The prevalence increases with age. The cause of blindness ranks first in eye injuries, followed by corneal disease, glaucoma, trachoma and cataracts. Therefore, the region for eye injuries and infections