WordReference Random House Unabridged Dictionary of American English © 2025
or•tho•ker•a•tol•o•gy
(ôr′thō ker′ə tol′ə jē),USA pronunciation n. [Ophthalm.]
- Ophthalmologya technique for correcting refractive errors in vision by changing the shape of the cornea with the temporary use of progressively flatter hard contact lenses.
- ortho- + kerato- + -logy 1970–75