Optometry experts say the photo is a perfect example of how people's brains perceive color and process contrast in dramatically different ways.

视光学专家表示这张照片是人们大脑同感知颜色及比过程的完。

Well obviously, I want to go to college and after college I've thought about going to optometry school to become an eye doctor.

显，我要上大学，大学毕业后我想去视光学校，以后当眼科医生。