retina

The image of the object is focused by the lens onto the surface of the retina.

(Chinese) 物体的图像由晶状体聚焦在视网膜的表面。

A laser can be used by surgeons to repair a small hole in a patient's retina.

(Chinese) 外科医生可以使用激光修复患者视网膜上的一个小洞。