It?s the same advice that mothers everywhere have been giving for years, but now there?s science to back it up: Eating veggies is good for the eyes. A new study from the University of Wisconsin confirmed that women who have a healthy diet, exercised regularly and didn?t smoke were less likely to suffer macular degeneration as they got older. Macular degeneration is the leading cause of vision problems in older people in the United States, researchers said.