1, May 2013 latest report, Greek scientists investigated the diet of 314 patients and 314 controls, and found that a diet rich in fruits, vegetables, fish, legumes and starch may have a delaying effect on the development of cataracts; in addition, increased intake of vitamins C, E and carotene, and reduced intake of total fat and cholesterol are equally beneficial. 2, Australian scientists found that people with high salt intake have twice the chance of developing cataracts than those with low salt intake. 3.A study by the French National Institute of Health and Medical Research confirmed that prolonged exposure to strong light increases a person’s risk of cataracts, and recommended that when moving or working in bright light, attention be paid to wearing good quality sunglasses.