[A NEW DESIGN FOR AN AVERAGE SET OF TEST SPECTACLE LENS].
D005123:Eye; D005139:Eyeglasses; D006801:Humans; D012029:Refraction, Ocular; D014787:Vision Tests
EYEGLASSES; REFRACTION, OCULAR
NOVAIA KONSTRUKTSIIA SREDNEGO NABORA PROBNYKH OCHKOVYKH LINZ.