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Optometrists in the United States also are licensed to prescribe medications to treat certain eye problems and diseases. The scope of medical care that can be provided by optometrists is determined by state law.
If you have an eye disease, such as glaucoma, your optometrist will refer you to an ophthalmologist. Optometrists also provide your vision care before and after a surgical procedure, and the optometrist may administer prescriptions and vision therapy.