An irregular shaped cornea or lens prevents light from focusing properly on the retina, the light sensitive surface at the back of the eye.
形状不规则的角膜或晶状体会使光线无法在视网膜——眼球背面的感光膜上准确地聚焦。
In computer graphics, a light sensitive pick device that is pointed at the display surface.
在计算机图形学中，一种指点显示屏面的光敏信号选图装置。
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