Cataract removal improves life.

Many of the common progressive symptoms associated with aging--such as mental decline, memory loss, and lack of interest in activities--can be reversed by removal of cloudy cataracts. A nationwide study, compiled at the Johns Hopkins School of Hygiene and Public Health, reveals that cataracts often impair participation in activities and driving. They also contribute to feelings of dissatisfaction with life by senior Americans and can exacerbate mental decline.

Removal of a cloudy cataract and replacement with a clear lens implant invariably improved all measurable qualities of life, regardless of age or the existence of other eye disorders. Individuals as old as 92 were examined and none were found to be too old to benefit from the most common eye operation performed in the U.S.--more than 1,500,000 a year.

Without fail, the study revealed that those senior Americans who choose to live with limited sight caused by cataracts will experience a decline in measurable qualities of life. Family members and social workers who care for the elderly are advised to be alert for signs of mental decline and loss of interest in activities, which may be linked with cataracts. Common symptoms include diminished night vision, reduced side vision, loss of depth perception, altered color perception (blues and violets may appear washed out), and frequent eyeglass changes.

Researchers found that the most dramatic improvement was recorded in night driving, an activity that many senior adults give up...