Do High-Fat Diets Cause Blindness?

Age-related macular degeneration (AMD) is a deterioration of the central portion of the retina and the number one cause of blindness in the U.S. Unlike cataracts, there is no effective treatment for most people with AMD. Its prevalence increases dramatically with age. By age 70 to 75 years, more than 75% of Americans have AMD and nearly one-third show early signs of the disease. Smoking, low i...