Vitamin C can be found not only in oranges (citrus) and tomatoes but also bell peppers, kiwi, strawberries, cantaloupe and cabbage.

Alpha-lipoic acid can be found in spinach, broccoli and organ meats (such as liver).

More study is needed on the link between antioxidants and vision. Scientists want to see if the lab tests using mice can achieve the same results in humans. Some are concerned that the amount of vitamin E used in the study may be too high for human consumption. The ratio of vitamin E was based on the body weights of the mice. The same ratio in humans would exceed the recommended safe limits for vitamin E consumption.

Other research shows that lutein and astaxanthin may also help improve or slow the progression of eye-related problems. Lutein is found in egg yolks and green fruits and vegetables while astaxanthin can be found in crustaceans such as crabs, lobster and shrimp.

All of the research reinforces the need to eat a well-balanced diet for proper nutrition. To be sure you are including all the necessary food groups in your diet, consult with your physician and/or a Registered Dietitian (RD).

For more information on eye health, see the Visual Impairments message board.