Deviations from the average or standard indices of refraction of the eye through its dioptric or refractive apparatus.

Synonyms: Ametropia, Disorders, Refractive, Refractive Errors, Errors, Refractive, Refractive Disorders, Ametropias, Error, Refractive, Refractive Error, Refractive Disorder, Disorder, Refractive