Nonprescription eyeglasses are primarily for people who can no longer read fine print. This condition, called presbyopia or "old vision," usually begins at about the age of 35 and progresses until about the age of 55. This inability to focus clearly at near distances is a universal condition...
Before purchasing non-prescription sunglasses, schedule an eye exam with an eye doctor near you. Even though you may see well enough to pass a driver's vision screening without glasses, you might be able to see significantly better withprescription sunglasses. Only your eye doctor knows for sure...