Optometry Equipments, Visual Acurity Chart
NVC-01 NVC-02 NVC-03 （Near Visual Acuity Chart）
• LED backlinghting(patent product).standardized and uniform illumination.Clearly printed optotypes.
• Double side display.Powered by lithium battery.With a stand(its gradient can be adjusted).
• With a cord to determine the test distance.With one pointer.
