A clinical evaluation of the Nidek Autorefractor.
A blind study using the Nidek Autorefractor was carried out on 178 eyes to validate the instrument against conventional refractive techniques. A measure of the NAR's reliability was obtained by repeated measurements of the 178 eyes. The NAR overall performance is compared with current autorefractors .
D006801:Humans; D008838:Microcomputers; D012029:Refraction, Ocular; D014787:Vision Tests / Q000295:instrumentation*