My 16 yr old son has had declining vision since he was first placed in eyeglasses at 6 yrs of age. He has been wearing contact lenses for a short while and was recently told that contact lenses were not in his best interest as he is currently seeing 20/40, the minimum eyesight for safe driving in SC. Do you agree? If so, can you please explain how contact lenses will cause greater harm to his vision vs eyeglasses.