Medical Health Encyclopedia

Hispanic Americans are also at increased risk for cataracts. In fact, cataracts are the leading cause of visual impairment among Hispanics. A 2005 study found that cataracts were about 3 times more common in Hispanic patients age 65 to 84 years than in similarly aged white or African Americans. (The study evaluated Hispanic patients of Mexican descent.) As with African Americans, Hispanic patients often face barriers to access to care.

Diabetes and Other Medical Conditions

People with certain medical conditions, notably diabetes, are at high risk for cataracts, either because of a direct effect of the disease, its treatments, or both.

Autoimmune Diseases and Conditions Requiring Steroid Use. Medical conditions requiring high use of corticosteroids (commonly called steroids) pose a particularly high risk. Many of these medical conditions are autoimmune diseases, including rheumatoid arthritis, psoriasis, multiple sclerosis, systemic lupus erythematosus, Behcet's disease, and others.

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Diabetes and People with High Blood Glucose Levels. People with diabetes type 1 or 2 are at very high risk for cataracts and are much more likely to develop them at a younger age. They also have a higher risk for nuclear cataracts than nondiabetics. Cataract development is significantly related to high levels of blood sugar (called glycemia), and cataracts in people with diabetes are sometimes referred to as so-called sugar cataracts. Even people without diabetes but with higher-than-normal blood sugar levels are at high risk for cataracts. Some doctors now recommend that children with diabetes undergo an eye exam to check for cataracts at the time they are diagnosed.

Insulin is a hormone produced by the pancreas that is necessary for cells to be able to use blood sugar.

Over-Exposure to Sunlight