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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.
An optometrist may perform an eye exam and write a prescription for corrective lenses, while an optician may fill that prescription. Now letâs add one more âoâ to the mix: An ophthalmologist is a medical doctor who specializes in all aspects of eye care including diagnosis, management, and surgery of ocular diseases and disorders.