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Guangzhou Yuan Jian Optical Instruments Co., Ltd.
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Guangzhou Yuan Jian Optical Instruments Co., Ltd.

Guangzhou Yuan Jian Optical Instruments Co., Ltd.

Mainland China

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Digital Phoropter
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Type:
Diagnostic Instruments
Description
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Description

This pictured digital phoropter is specially designed with a butterfly-like silhouette, so it fits the contours of the face flawlessly to ensure a comfortable eye examination experience. The top-grade digital phoropter also features optic lenses produced with high-grade plated film for added durability. Offering precise measurement for various visual functions like myopia, hyperopia, astigmatism, eyesight balance, heterophoria, stereoscopic vision and eyesight amalgamation, this device is ideal for ophthalmology departments, spectacle stores and more.

  • Model no.: VT-FB. 
  • Sphere Power Range: +16.75D to 19.00D w/minimum reading 0.25D or 0.12D (when using +0.12D auxiliary lens or optional±0.12D lens).
  • Cylinder Power Range: 0 to -6.00D, w/minimum reading 0.25D or 0.12D (auxiliary lens), 0 to -8.00D (-2.00D auxiliary lens).
  • Astigmatic Axis Scale: 0 to 180° in 5° steps.
  • Cross Cylinder: ±0.25D, reversal type (synchronized with astigmatic axis).
  • Rotary Prism: 0 to 20 D in 1 D steps.
  • P.D. Adjustment: 48-80mm; step 1.
  • Forehead Rest Adjustment: 16mm.
  • Convergence: The optical axes of the lenses are aligned at a distance of 400 mm from enabling convergence = 57mm to 80mm.
  • Corneal Distance: 2 mm forward and 5mm backward from a standard plane with scale?
  • Effective Field of View: 19 mm.
  • Product Size: 291-323 x 315 x 85 mm.
  • Package Size: 470 x 440 x 220 mm.
  • N.W. / G.W.: 5 kg / 6.5 kg.



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