orthokeratology Hear it!

orthokeratology Definition

☆ ortho·kera·tol·ogy (ôr′t̸hō ker′ə täl′ə jē)

noun

a branch of optometry that seeks to reduce certain refractive errors in the eye by altering the curvature of the cornea through the application of a series of graduated contact lenses over a period of time

Etymology: ortho- + kerato- + -logy