Many times when walking along the streets and in some stores I have been distracted and pulled by the cheap sunglasses stand. They look sleek and always convince myself nobody would even notice I’m wearing cheap glasses. The thought of any damage that can be cause by them is normally out of question, does not even ring my mind. Just out of curiosity I wanted to find out how cheap are those cheap sunglasses? Will my eyes be damaged from wearing such sunglasses? How does the eye respond to different light conditions?
The eye regulates the amount of light entering it by adjusting the size of the