[Measurement of visual acuity with an ophthalmic table and with only one modified Landolt ring].
The A. describes an ophthalmic table based on one modified Landolt ring and reports the results obtained in testing visual acuity. With this method the analysis results very quick and precise.
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Divisione Oftalmica Ospedale S. Andrea", Vercelli.
D004867:Equipment Design; D006801:Humans; D012680:Sensitivity and Specificity; D014786:Vision Disorders / Q000175:diagnosis; D014787:Vision Tests / Q000295:instrumentation* / Q000379:methods; D014792:Visual Acuity