title: [Study of visual acuity and clinical refraction at short distance].
mesh_terms: D000293:Adolescent; D000328:Adult; D006801:Humans; D012029:Refraction, Ocular; D012030:Refractive Errors / Q000175:diagnosis*; D014792:Visual Acuity
vernacular_title: Issledovanie ostroty zreniia i klinicheskoĭ refraktsii s ukorochennoĭ distantsii.