retinal illuminance

例句：

1. 1.The retinal illuminance in the dark room is very low.
   黑暗房间中的视网膜照度非常低。
2. 2.This device can measure the retinal illuminance of the environment.
   该设备可以测量环境的视网膜照度。
3. 3.The researcher found that the retinal illuminance was too high for the eyes to adapt to.
   研究者发现视网膜照度过高，眼睛无法适应。