NV-100 Near chart vision
Product Name:
NV-100 Near chart visionModel No.:
NV-100Minimum Order:
1
Product Abstract:
Enable to complete refractive, binocular vision & investigation Test Distance: 36~60cm
- Product Description
CE
Enable to complete refractive, binocular vision & investigation
Summary of tests: The NV-100 near vision tester enable a complete refractive and binocular vision investigation to be carried out with the head and eyes in their normal posture at any working distance. The refractive tests include: ■ Measurement of visual acuity using Snallen letter and illiterate E-chart,and Times Roman reading types. ■ Accurate determination of presbyopic additions and other near corrections. ■ Near vision astigmatism tests. ■ Amplitude of accommodation including monocular measurements under binocular conditions. 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. ■ Near point of convergence. ■ Targets for subjective cover tests for heterophoria and harmonious ARC. ■ 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 Specifications： Test Distance: 36cm Distant Contral: 60cm Size: 220(H)×210(W)×42(D)mm Weight: 780g Power Supply: LR6 AA/1.5V×3 
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