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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.
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
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