英译汉：
self-service visual acuity detector
自助式视力筛查仪
Chinese researchers have developed a self-service visual acuity detector and a management system for visual health.
Users view visual targets through the lens of the vision detector and their visual acuity is judged based on the sizes of the targets which are seen clearly. The detector's mean detection time is under one minute. It can be used in schools and at home, as well as for visual care organizations.
中国科研人员研发出自助式视力筛查仪及视力健康管理系统。
用户通过视力筛查仪的镜头查看视觉目标，筛查仪根据清晰可见目标的大小来判断视力范围，平均检测时间不到一分钟。该设备可用于学校、家庭和视力保健等机构。
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