The retina is very sensitive to light and is the layer of tissue liner behind the attention. It comprises photoreceptors which convert light energy into electric impulses that travel into the brain and become changed to graphics. This manner it acts like a retinal camera does when it's taking images.

评论

谁投了票

码农人生是什么?
码农人生,关注创业、人生,每日推荐3篇优质文章。
最新评论