智课网 TOEFL备考资料托福阅读材料之为什么我们有两个眼睛却只能看见一个东西您当前的位置 智课教育官网 托福 托福阅读 文章正文出国英语考试有哪些 雅思6.5是什么水平 雅思阅读评分标准 托福阅读评分标准 雅思和托福的区别Having two eyes is certainly better than having just one because two eyes provide us with stereo vision and depth perception - two things that just eye could not give us.With 2 1/2 inches separating our two eyes, each eye views an object from a slightly different angle. For instance, if you hold up a flower and look at it with just your right eye, the image is different from the image of when you look at it with just your left eye. The right eye sees more of the right side of the flower while the left eye sees more of the left side of the flower. If you placed the two different images on top of one another, they would not match and our vision would be out of focus. However, our brains sort out these varying visual messages from our two eyes, combines the images, and recreates one three-dimensional image.This is referred to as binocular vision. Just like your look through two lenses in binoculars, humans view the world through two lenses. The eyes of many other animals are placed differently than ours. Many birds have an eye on each side of their head. Each eye sees a completely separate area stretching out on the left or the right.Viewing the world through two eyes provides us with depth perception. When you look at the flower through just one eye, it looks a lot flatter.stereo vision: 立体效果 depth perception: 深度知觉binocular: 双目的以上就是智课教育托福频道为大家整理的托福阅读材料之为什么我们有两个眼睛却只能看见一个东西，希望对大家有帮助，更多资讯、资料请访问智课教育托福阅读频道