Vision Problems and Corrective Lenses

Vision Problems and Corrective Lenses

Human eyes work like cameras—they bend light to form clear images on the retina, a light-sensitive layer at the back of the eye. Sometimes, the shape of the eye causes light to focus incorrectly, resulting in blurry vision. The two most common vision problems are nearsightedness and fa...

Your eyes help you see the world by capturing light and sending signals to your brain, creating images.

Light enters through the cornea and lens, which bend or focus it onto the retina at the back of the eye.

The retina converts light into electrical signals that travel to the brain through the optic nerve.

But sometimes, the s...