NV-100 Near Vision Tester

NV-100 Near Vision Tester Features: Ø The NV-100 near vision tester enables a complete refractive and binocular vision investigation to be carried out with the head and eyes in their normal posture at any working distance. Ø The refractive tests include: Measurement of visual acuity using Snellen letter and illiterate E-chart, and Times Roman reading types. Accurate determination of presbyopic additions and other near corrections. Ø Near vision astigmatism tests. Amplitude of accommodation including monocular measurements under binocular conditions. Ø The Binocular balance tests include: Fixation disparity test for uncompensated heterophoria motor eye dominance. Accommodation-convergence relationship. Quantitative evaluation of foveal suppression in heterophoria patients. Ø Near point of convergence. Targets for subjective cover tests for heterophoria and harmonious ARC. Ø A centimeter ruler for measuring working and testing distance is included. The chart can be illuminated individually by means of an infra red remote controller Parameters: Test Distance 36cm Distant Control 60cm Size 220(H)×210(W)×42(D)mm Weight 780g Power Supply LR6 AA/1.5V×3