A cataract is an eye condition that causes progressive vision changes. This typically occurs over a period of many years, and people with cataracts often do not notice that cataracts have affected their vision until they have a difficult time driving, reading or doing other tasks. Nutrition and medications will not reverse cataracts, but you can select nutrients, such as lutein, to help protect cataract growth. Your doctor can help formulate a diet plan or recommend supplements for prevention.
Formation
Cataracts form in the intraocular lens, a structure made of water and proteins. Before a cataract occurs, the lens is clear and allows light to enter the eye. As the proteins in the lens break down, this starts the formation of the cataract, and the lens begins to turn cloudy. You will not likely notice changes in your vision until the advanced stages of cataract growth. Most people have some amount of cataract since this often occurs with age.
Lutein
Lutein is an antioxidant nutrient that may help slow or prevent cataracts. This possible benefit may stem from the antioxidant characteristics of lutein, which could reduce the breakdown of the proteins in the natural lens. Lutein is often found with another nutrient, zeaxanthin. Foods that contain these nutrients include spinach, collard greens, corn, kale and green peas. Your doctor may recommend a supplement that contains lutein if she thinks this nutrient could prove beneficial in preventing advanced cataracts. You should not start a supplement or increase your dietary intake without first consulting your doctor since high doses of lutein may not be appropriate for you.
Other Nutrients
In addition to lutein, other nutrients may also help prevent cataracts. These nutrients include vitamins C and E. Your doctor may recommend a supplement that contains these vitamins along with lutein, but he may also encourage you to have an adequate intake of these nutrients in your diet. Foods rich in vitamin C include grapefruit, oranges, spinach and strawberries. Vitamin E-rich foods include almonds, peanuts and sunflower seeds.
Considerations
Your doctor may recommend additional ways to help you reduce cataract growth. Smoking is a significant risk factor for cataracts, and if you smoke, your doctor will recommend you quit. You should wear sunglasses when you go outside, and this will help protect your eyes from ultraviolet rays. Other methods of prevention include reaching and maintaining a healthy weight and controlling any health problems.
