[A device for determining the nearest point of distinct vision].
Gaĭdaĭ
Iu V
IuV
D000065:Accommodation, Ocular; D004867:Equipment Design; D006801:Humans; D011305:Presbyopia / Q000175:diagnosis; D014787:Vision Tests / Q000295:instrumentation*
Ustrouistvo dlia opredeleniia blizhaĭsheĭ tochki iasnogo zreniia.