Clinical evaluation of the Nidek AR auto refractor.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D006801:Humans; D008722:Methods; D008875:Middle Aged; D009885:Ophthalmology / Q000295:instrumentation*; D012029:Refraction, Ocular; D012030:Refractive Errors / Q000175:diagnosis*; D012160:Retina