Optometrist

n. one who practices optometry, one who is licensed to examine the eyes to diagnose visual defects and prescribe corrective lenses or other forms of treatment

Optometry (Greek: optos meaning seen or visible and metria meaning measurement) is a health care profession concerned with eyes and related structures, vision, visual system and vision information processing in humans. Like most health professions, optometry education, certification and practice is regulated in most countries. Optometrists and related organizations interact with government, other health care professions and the community to deliver eyecare and visioncare. Optometry is a type of eyecare profession and optometrists often interact with other eye care professionals, such as ophthalmologists and opticians.
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Noun
1. a person skilled in testing for defects of vision in order to prescribe corrective glasses
(synonym) oculist
(hypernym) specialist, specializer, specialiser

n. optometrist, expert in eye examination and lens fitting

Professional trained to provide primary eye and vision care and improve vision with glasses, contact lenses, etc. An optometrist is an O.D. (Doctor of Optometry), not an M.D.