[New Soviet devices for determining visual acuity].
D001251:Astigmatism / Q000175:diagnosis; D001698:Biomedical Engineering; D006801:Humans; D014586:USSR; D014787:Vision Tests / Q000295:instrumentation*; D014792:Visual Acuity
Novye otechestvennye pribory dlia opredeleniia ostroty zreniia