摘要
通过对山东省泰安市各级医院及眼镜营销单位视力表照度的调查，了解视力表照明的现状。使用照度仪在视力表的八个方位测量。计算平均照度及均匀度。结果表明视力表照度不统一，同一视力表照度不均匀的现象普遍存在。
To
understand the present situation of visual acuity test chart illumination,visual acuity test
chart illumination in the hospitals and glasses shops at different levels of Taian city of
Shandong province was investigated The measured illumination was at 8 orientations of
visual acuity test chart with illuminometer and the mean illumination and uniformity
were calculated It was found that the illuminations of many visual acuity test charts
which we had measured were not unified and lack of uniformity The producers of visual
acuity test chart should pay much more attention to the results we have got
出处
《眼科》
CAS
1999年第2期105-106,共2页
Ophthalmology in China
