They prescribe corrective lenses or other treatments. Over half the people in the United States wear glasses or contact lenses. Optometrists provide eye care to these people and to those who do not wear glasses.
Optometrists treat vision problems and eye diseases.
They use instruments and observation to examine eye health. They test patients' vision as well as depth and color perception. Next, optometrists test the ability to focus and coordinate the eyes. Finally, they analyze test results and create a treatment plan. Optometrists prescribe eyeglasses, contract lenses, and vision therapy.