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Near Vision Tester

near vision tester
  • near vision tester
  • NV-100
  • astigmatism tester
Model No.︰NV 100
Brand Name︰-
Country of Origin︰China
Unit Price︰US $ 65 / pc
Minimum Order︰5 pc
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Product Description

The NV-100 Near Vision Tester enables a complete refractive and binocular vision examination to be carried out with the head and eyes in a relaxed posture at any working distance.

Features

  • Charts: Snellen, Letter, Tumbling E's, Children's
  • Near vision astigmatism tests
  • Accommodation including monocular measurements under binocular conditions
  • Fixation disparity
  • Cross-cylendar and balance test
  • Red/Green test
  • Foveal suppression test

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.

Payment Terms︰T/T
Product Image

near vision tester
near vision tester

NV-100
NV-100

astigmatism tester
astigmatism tester

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