Viewlight Manual Phoropter VTR-20

Viewlight’s vision tester VTR-20 is designed for subjective refractions determination and optically measures and aligns abnormal binocular vision such as muscle balance of the eyes, binocular balance and stereo acuity.

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SKU: VTR-20 Categories: , Tags: , ,
Description

Visual Tester VTR-20 is applicable to ophthalmic department of hospitals and spectacle stores for precision measurement of visual functions such as myopia, hyperopia, astigmatism, visual acuity balance, phoria, stereoscopic vision and visual acuity amalgamation.

Features

  • Speedy astigmatism tests
  • Measures Myopia, Presbyopia, Heterophoria
  • Sphere power control adjustment
  • Rotary prism
  • Visual acuity balance
  • Convergence system mechanism
  • Wide range of auxiliary lens combinations
  • Accurate readings on binocular visual balance
  • Precision measurement of spherical power
  • Unique design of butterfly-shape appearance
  • Capable of checking up all-sided visual function
  • Accurate and comfortable in measurement
  • High quality plated-film used in all optic lenses
  • Precise refining cylinder axis and power

Specifications

SPHERE POWERS RANGE +16.75D to - 19(.25D Steps)
CYLINDER POWERS RANGE 360 degrees (5 degrees)
CROSS CYLINDER ±0.25D, standard (±0.37D, ±0.50D)
ROTARY PRISM 20 prisms each (1 prism scale graduation), Paired - 40 prisms in any base direction
PD ADJUSTMENT 48-75mm (1mm Increments)
VERTEX DISTANCE 13.75mm
SCREEN 3.97 Inch TFT-LCD 800 x 480
AUX DIALS 10 lenses and 2 open apertures

Video Demo

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Viewlight is a leading provider of medical practice equipment for ophthalmologists, optometrists and opticians.

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    Additional information
    Brand

    Viewlight USA

    Country of Origin

    Made in China

    FDA

    Approved

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