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青少年人群视力问题不容乐观,已经引起了社会各界的关注.调查结果显示,小学生、初中生、高中生和大学生的视力低下率分别为27.96%、54.43%、73.8%和76.95%.面对这样的结果 ,迫切需要研究一种帮助青少年保护视力的仪器.研究了具有多功能的视力保护仪,该保护仪能够对环境温度、坐姿及用眼时间进行监测并报警.试验表明,该系统能够很好地保护青少年的视力.
Visual acuity of young people is not optimistic, has aroused the attention of all sectors of society.The survey results show that primary school students, junior high school students, high school students and undergraduate students, the low vision rates were 27.96%, 54.43%, 73.8% and 76.95% respectively. As a result, there is an urgent need to study a device that helps young people to protect their eyesight, and has studied a multi-purpose vision protection device capable of monitoring and alarming ambient temperature, sitting posture, and eye time, and the experiment shows that the system works well To protect young people’s eyesight.