Copied from the Ophthalmology forum:
Ophthalmologists (MD or DO) can:
-- prescribe glasses and contact lenses
-- diagnose eye abnormalities and disease
-- treat all eye conditions and disease, including those of the surrounding flesh, bones, and muscle with surgery (conventional and laser surgery), medications, etc.
-- diagnose other conditions and illnesses based on symptoms evident in the eyes and refer patients to another appropriate physician for treatment
--fit, adjust and dispense eyeglasses
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An Optometrist is not a medical doctor, but receives the degree of OD at a 4-year optometry school after completing four (or sometimes three) years of undergraduate study.
Optometrists (OD) can:
-- prescribe glasses and contact lenses
-- diagnose eye abnormalities and disease
-- treat some types of eye disease
-- diagnose other conditions and illnesses based on symptoms evident in the eyes and refer patients to another appropriate physician for treatment
--fit, adjust and dispense eyeglasses