Medical Dictionary


noun or·tho·kera·tol·o·gy \-ˈtäl-ə-jē\
plural or·tho·kera·tol·o·gies


:  a treatment for defects of vision by altering the shape of the cornea through the application of a series of differently shaped hard contact lenses
March 26, 2015
verdigris Hear it
A green deposit formed on some metals
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