Cheap reading glasses: Helpful or harmful?
The "cheaters" on the drugstore rack may help you read the menu, but they're no substitute for a professional eye exam.
If you're over 40, reading glasses can be a necessity, and they serve double duty as a fashion accessory. Be-cause they are inexpensive and available in a wide variety of styles—and easily misplaced—you may buy them by the handful. Yet, you may be better off investing in a professional eye exam instead.