- (functioning as singular) the science or practice of correcting defective vision, as by exercises to strengthen weak eye muscles
WordReference Random House Unabridged Dictionary of American English © 2026
or•thop•tics
(ôr thop′tiks),USA pronunciation n. (used with a sing. v.)
- Ophthalmologya method of exercising the eye and its muscles in order to cure strabismus or improve vision.
- see orthoptic, -ics
Collins Concise English Dictionary © HarperCollins Publishers::
orthoptics /ɔːˈθɒptɪks/ n
'orthoptics' also found in these entries (note: many are not synonyms or translations):