[EXPERIENCES IN THE PRESCRIPTION OF LENSES WITH CONTINUOUS CHANGE OF REFRACTION ACHIEVED BY VARIOUS OPTICAL SYSTEMS].
D005123:Eye; D005139:Eyeglasses; D007909:Lenses; D055096:Optical Devices; D055095:Optics and Photonics; D011305:Presbyopia
EYEGLASSES; OPTICS; PRESBYOPIA
ERFAHRUNGEN BEI DER VERORDNUNG VON BRILLEN MIT GLEITENDER BRECHKRAFT VERSCHIEDENER OPTISCHER SYSTEME.