摘要
设计了一系列不同距离视力表,同时选取不同年龄的人员进行视力测试,得到被测人不同距离的视力,由此计算该人眼睛的调焦范围,反映人眼的调节能力。
A series of visual charts with different distances has been designed and the eyesight of selected subjects of different ages tested. The eyesight of different distances of the subjects has been obtained. According to the data, the focus scope of each subject's eyes is calculated. The result reflects a person's visual capability.
出处
《苏州科技学院学报(自然科学版)》
CAS
2007年第2期24-25,53,共3页
Journal of Suzhou University of Science and Technology (Natural Science Edition)
关键词
视力测试
视力表
双焦距透镜
eyesight test
visual charts
bifocal lenses