The sunglasses should protect your eye from ultraviolet rays whuch harm our eyes. For every person who want to buy sunglasses, it should have dark glasses and be see that it should be big enough to protect your eye. The sunglasses you buy must civer your eye from sides also. While choosing sunglass you see that it will fits on your face. You try to buy sunglass of better colour which is not to shiny. Sunglass should have thick glasses which protect your eye well. In thin sunglass sometimes rays get passed through glasses so I suggest to buy thick glass having sunglasses. Good sunglasses may be expensive but do not compromise with eye protection. You can try various types of sunglasses then you choose from them which is better for you.