nearsightedness

I have red glasses, like the pair to the left, because I cannot see things that are far away. Oh and red is my favorite color :) The scientific name for nearsightedness in myopia. So basically, in a nearsighted eye such as mine, the eye is too long, and the light that enters the eye is diffracted too much. This causes images of far away objects to form in front of the retina. A diverging lens can correct nearsightedness because when light passes through a diverging lens, the light rays move away from each other. Then when they enter the eye, it is okay that they are diffracted too much. The lens causes the light rays to focus on the retina, so objects are no longer blurry.

Every year when I go to see my eye doctor, my vision has always gotten worse. It can't be that my eye keeps gets longer and longer every year, so I assume my vision gets worse because the muscles that control the lenses in my eyes are overworked from studying so much during the school year. When I was a kid, my parents always told me not to read in the dark because it would ruin my eyesight. I didn't listen to them. That is probably one of the reasons why I started wearing glasses in elementary school. Studying so much really isn't good for our health!