[A reading aid for the visually handicapped].
A new reading aid for the visually handicapped is described. It consists of a normal pair of fieldglasses and a mirror system, and can be used either monocularly or binocularly. It features an unusually long working distance of 210 mm, regardless of magnification.
D000368:Aged; D002648:Child; D006801:Humans; D055095:Optics and Photonics / Q000295:instrumentation*; D011932:Reading; D014786:Vision Disorders / Q000534:rehabilitation*
Ein Lesegerät für Sehbehinderte.