Datagov Opendata Platform

The rate of poor vision among students A [Number of students with poor vision based on vision screening result] / B [Total number of students screened] 100%A: Regularly check vision, whether the naked eye is examined Right eye naked vision or Left eye naked vision, one eye 0.9 is added togetherB: Regularly check vision, whether the naked eye is examined, deducting the number of students not tested and unable to measure