An optometrist is a specialist who can evaluate the state of the vision of the patient and prescribed correct vision aids or other types of treatment. This medical profession comes under Ophthalmology as one of the sub-specialties.
An optometrist is a medical professional who specializes in function and disorders of the eye and diagnosis of eye diseases/impairments. An optometrist performs eye examinations for visual effects, prescribes corrective lenses and glasses, and identifies and treats eye diseases and disorders.