When I got glasses at 7, I told myself I would never EVER get contacts, but would just wait until I turned 18 and then get laser surgery. Obviously, I began to be interested in girls, and decided to get contacts, which have helped me out greatly :D . I haven't had any real problems in the past couple of years, but sometimes I do get them inside out or get a hair in my eye. About marks, I wore my glasses for over 7 years, and it took about 2 months for the marks to go away and everyone to get used to me without them.