[DEVICE FOR THE DETERMINATION OF VISUAL ACUITY WITH DISTANT CONTROL].
D004864:Equipment and Supplies; D006801:Humans; D014586:USSR; D014787:Vision Tests; D014792:Visual Acuity
EQUIPMENT AND SUPPLIES; USSR; VISION TESTS
APPARAT DLIA OPREDELENIIA OSTROTY ZRENIIA S DISTATSIONNYM UPRAVLENIEM.