Clinical evaluation of Topcon auto refractometer.
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D001330:Electronic Data Processing; D005069:Evaluation Studies as Topic; D006801:Humans; D008875:Middle Aged; D012029:Refraction, Ocular / Q000295:instrumentation*; D014792:Visual Acuity