[Comparative tests of visual acuity in Basel and St. Moritz Bad].
D000368:Aged / Q000502:physiology; D000375:Aging; D000531:Altitude; D006801:Humans; D014785:Vision, Ocular; D014792:Visual Acuity
AGED/physiology; ALTITUDE/effects; VISION
Uber vergleichende Sehschärfeprüfungen in Basel und St. Moritz-Bad.