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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.
Optometrist â O.D.s. What Doctors of Optometry Do. Everyone has either seen or will see an optometrist in their lifetime, since these eye specialists are considered the primary health care professionals that people see for eye related issues. Eye related issues range from changes in vision to some eye diseases.