Peer pressure. This is especially true with younger people; however, our peers can influence us to such a degree because we want to fit in and we don’t want to disappoint our friends.
Socializing.
Community.
Socioeconomic status.
Stress.
The lens helps the eye to focus on images.
"The Lens. The lens is composed of transparent, flexible tissue and is located directly behind the iris and the pupil. It is the second part of your eye, after the cornea, that helps to focus light and images on your retina."
It came from Robert Hooke
