Pocket Size Vision Test Chart

China Pocket Size Vision Test Chart, Find details about China Visual Chart, Ophthalmic from Pocket Size Vision Test Chart

Model NO.
Pocket Size Vision Test Chart
HS Code
9018500000
Model NO.
Pocket Size Vision Test Chart
HS Code
9018500000

Near vision tester
Model :NV-100

Technical Data
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

Test Distance: 36CM
Distant contral: 60cm
Size: 220X210X42MM
Weight: 780g
Power Supply: LR6AA/1.5 Vx3
Nv-100 China Ophthalmic Equipment Near Vision Tester

Pocket Size Vision Test Chart
Pocket Size Vision Test Chart