Dr. Judith Crowell of Miami's Dermatology and Cosmetic Enhancement Center wants her patients to understand the need to take care of their skin. That's why she uses the VISIA Complexion Analysis to show them skin damage they cannot see with their own eyes. VISIA also helps Dr. Crowell and her patients monitor improvement from the skin care regimens she prescribes. CBS-TV's Cynthia Demos explains how it works.