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, Ametropias, Refractive Disorders, Error, Refractive, Refractive Error, Disorder, Refractive, Refractive Disorder