[Certain aspects of the study of proportional (primary) and non-proportional (secondary) types of ocular refraction].
D003941:Diagnostic Techniques, Ophthalmological; D005123:Eye; D006801:Humans; D012029:Refraction, Ocular; D014787:Vision Tests
REFRACTION, OCULAR
Nekotorye soobrazheniia po povodu izucheniia sorazmernykh (pervichnykh) i nesorazmernykh (vtorichnykh) refraktsii glaza.