Definitions for optometristɒpˈtɒm ɪ trɪst
Random House Webster's College Dictionary
op•tom•e•tristɒpˈtɒm ɪ trɪst(n.)
a licensed professional who practices optometry.
Origin of optometrist:
a person skilled in testing for defects of vision in order to prescribe corrective glasses
a person trained and skilled in examining and testing the eyes for defects, in order to prescribe corrective lenses or treatment