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青山、绿水、鲜花、彩虹……我们处在一个五彩缤纷的世界里.从出生睁开眼睛开始,我们就靠视觉来认识世界.有研究表明,人类从外界获得的信息有80%以上来自于视觉.那么,我们是怎样通过眼睛看清丰富多彩的世界的?人的眼睛是怎样引起视觉的我们能看到物体,是因为有光进入眼睛,进入眼睛的光线经过瞳孔,被晶状体折射后落在视网膜上,刺激视神经,视神经将光信号转变成生物电信号,通过神经系统传至大脑,
Green mountains, flowers, rainbow ... We are in a colorful world.From the birth of our eyes, we rely on the vision to know the world.Some studies have shown that more than 80% of human information obtained from the outside world from Visual. So, how do we see the colorful world with our eyes? How the human eye causes vision We can see the object, because there is light into the eye, the light into the eye through the pupil, the lens refraction In the retina, to stimulate the optic nerve, optic nerve will be converted into bioelectric signals of light, transmitted to the brain through the nervous system,