How do glasses help you see clearly?
More and more people need to wear glasses, including young children, and we really don't know why. Our eyes allow us to see because light enters each eye, and the eye then produces a message that is sent to the brain. The eyeball itself doesn't actually "see", it's the brain that sees it. The eyeballs just take pictures, like two little cameras. To see properly, each eyeball needs to send light...
0 Comments 0 Shares 1596 Views