Optometrist vs. Optologist — What's the Difference?

A person who practises optometry.

One who studies optology.

A person who is professionally trained and licensed to examine the eyes for visual defects, diagnose problems or impairments, and prescribe corrective lenses or provide other types of treatment.

A person trained and skilled in examining and testing the eyes for defects, in order to prescribe corrective lenses or treatment.

One who is skilled in or practices optometry, especially one who examines the eyes for defects in vision and prescribes the proper lenses to correct any defects discovered.

A person skilled in testing for defects of vision in order to prescribe corrective glasses