Autorefractor Keratometer (Auto Ref Keratometer)

Common vision problems such as myopia (nearsightedness) or hyperopia (farsightedness) are the result of refractive error. Autorefractors are used to measure the degree of refractive error in the eye, and are suited well toward applications such as differentiating corneal from lenticular aberrations, and assessing pre-and-post refractive surgery patients. The patient focuses their vision on a fixation target such as a hot-air balloon floating over land. Like many ophthalmology instruments, they have spherical and cylindrical measurement ranges of -30 to +25D/±10D respectively. As the line between autorefractor and keratometer is often blurred, the customer should be aware of systems that have separate measurement ranges for autorefraction and keratometry.

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  • Measurable Range: Inquire
  • Refractive Power: Inquire
  • Radius Range: Inquire
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M3 Automatic Refractor / Automatic Keratometer / Non-contact Tonometer
  • Measurable Range: Auto Refractor/Keratometer:
    Sphere –30.00D to +25.00D (V.D.=12mm), (0.01/0.12/0.25D increments)
    Cylinder 0D to ±12D (0.01/0.12/0.25D increments)
    Axis 0° to 180° (1°/5° increments)

    Non-Contact Tonometer: 1mmHg to 60mmHg
  • Refractive Power: 25.96D to 67.50D (n=1.3375), (0.01/0.12/0.25D increments)
  • Radius Range: 5.00 to 13.00mm (0.01mm increments)
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  • Refractive Power: Inquire
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Auto Ref / Kerato / Tonometer TONOREF™ II
  • Measurable Range: Inquire
  • Refractive Power: Inquire
  • Radius Range: Inquire
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OCULUS PARK 1®

OCULUS, Inc.

  • Measurable Range: Pachymetry (P): 200 to 1200 µm
    Keratometry (K): 9 to 99 D
  • Refractive Power: Inquire
  • Radius Range: Inquire
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AKR 700 Auto-Kerato-Refractometer

Stereo Optical Company, Inc.

  • Measurable Range: Inquire
  • Refractive Power: Inquire
  • Radius Range: Inquire
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  • Measurable Range: Inquire
  • Refractive Power: Inquire
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KR-1 Auto Kerato-Refractometer

KR-1 Auto Kerato-Refractometer

Topcon Medical Systems

  • Measurable Range: Hyperopia: 0 to +22D (0.12D/0.25D steps)
    Myopia: 0 to -25D (0.12D/0.25D steps)
    Astigmatism: 0 to ±10D (0.12D/0.25D steps)
    Axial angle: 0 to 180° (1°/5° steps)
  • Refractive Power: Inquire
  • Radius Range: Radius of corneal curvature: 5.00 to 10.00 mm (0.01 mm step)
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KR-800 Auto Kerato-Refractometer

KR-800 Auto Kerato-Refractometer

Topcon Medical Systems

  • Measurable Range: Inquire
  • Refractive Power: Sphere Range: -25D to +22D (0.12D/0.25D)
    Cylinder range: 0D to ± 10D (0.12D/0.25D)
    Axis Range: 0° to 180° (in 1°: or 5° steps)
  • Radius Range: Inquire
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KR-800S Auto Kerato-Refractometer

Topcon Medical Systems

  • Measurable Range: Sphere Range: -18 to +18 D (0.25 D steps)
    Cylinder Range: 0 D to 8 D (0.25 D steps)
    Axis Range: 0°to 180° (1°/5° steps)
  • Refractive Power: 1.3375
  • Radius Range: 5.00 mm to 10.00 mm (corneal curvature)
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Auto Ref / Keratometer ARK-1s / 1a / 1
  • Measurable Range: Inquire
  • Refractive Power: Inquire
  • Radius Range: Inquire
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Handheld Auto Ref / Keratometer ARK-30 / AR-20
  • Measurable Range: Inquire
  • Refractive Power: Inquire
  • Radius Range: Inquire
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RK600 Auto Refractor / Keratometer
  • Measurable Range: 85 mm (1 mm step)
  • Refractive Power: Sph -25 to +25D
  • Radius Range: 5.0~10 mm (0.01 mm step)
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