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普通人的视网膜拥有500万个锥形细胞,这些锥形细胞是用来感受视觉色彩的,可以把人的眼睛想像成等同于500万像素的相机。但是,在眼睛里面还有11乙个棒状细胞,它们是用来感受单色对比度、明暗度的,在你眼睛所示画面的锐利程度方面扮演着重要的角色。而且,就算是把眼睛像素当成1.05亿,仍然低估了它们,因为它毕竟不是一台相机。人的两个眼睛持续地抓取着周围的景象,希望能够获取比视野更大的可视区域,然后把这些区域在大脑中拼合起来,就像拼接照片一样,
The average human retina has 5 million cones, which are used to visualize the human eye and to visualize the human eye as a 5 megapixel camera. However, there are 11 B cells inside our eyes. They are used to feel monochrome contrast, brightness, and play an important role in the sharpness of the picture shown by your eyes. And, even if the eye pixels as 105 million, still underestimated them, because after all it is not a camera. The two eyes of a human continue to crawl around the scene, hoping to get larger than the visual field of view, and then put these areas together in the brain, just like stitching photos,