[Method and results of studying visual acuity and ocular refraction in preschool children].
D002675:Child, Preschool; D006801:Humans; D008403:Mass Screening; D008722:Methods; D012029:Refraction, Ocular; D014786:Vision Disorders / Q000175:diagnosis*; D014792:Visual Acuity
K voprosu o metodike i rezul'tatakh issledovaniia ostroty zreniia i refraktsii glaz u doshkol'nikov.