Sano, N [Aging effects on upper and lower half visual fields by VECPs and automated static perimetry]. [electronic resource] - Nippon Ganka Gakkai zasshi May 1990 - 527-31 p. digital Publication Type: English Abstract; Journal Article ISSN: 0029-0203 Subjects--Topical Terms: AdolescentAdultAgedAging--physiologyChildEvoked Potentials, VisualHumansMiddle AgedPhotic StimulationVisual Field Tests--methodsVisual Fields