There is no age limit for a person to wear contact lenses. In order to feel more attractive and accepted, contact lenses may help people especially teenagers feel greater self-esteem and more at ease around others. Contacts must fit properly on the eye, if they don't serous eye health issues can result. That's why we need a much more proper prescription for size, shape and brand of lenses.modern contact lenses are designed to be very comfortable and may be safer than many situation where people are gathered to play sports.