Topcon KR-1 Auto Kerato-Refractometer

Brand: Topcon

SKU: KE0TO15092

The Topcon KR-1 Auto Kerato-Refractometer offers reliable measurements, easy and quick operation, and a compact, ergonomic design.

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The KR-1 Auto Kerato-Refractometer features fully automated operation with an easy-to-use color touch screen, a 360 degree rotatable monitor, and a flexible layout and space saving design. The Rotary Prism measuring system ensures fast, accurate, and repeatable refraction and keratometry measurements.


  • Simple, quick operations – R/L automated measurement
  • Flexible layout and space saving design – adjustable control panel can be positioned in any direction 
  • 360° rotatable monitor
  • Easy-to-use color touch panel – Eliminates the need for a control lever
  • Compact and ergonomic design – Comfortable design for patients with optical head and headrest; compact body
  • Reliable Measurement – Topcon’s Rotary Prism measuring system ensures stable measurement accuracy. Reliable, reporoducible, repeatable results


Refractive Power Measurement  
Spherical refractive power:  -25D to +22D (0.12D/0.25D steps)
Cylindrical refractive power:  OD to ±lOD (0.12D/0.25D steps)*
Astigmatic axial angle:  0° to 180° (1°/ 5°steps)
Minimal measurable pupil diameter:  (/J 2.0mm
Corneal Curvature Measurement  
Corneal curvature radius:  5.00mm to 10.00 mm (0.01mm step)
Corneal refractive power:  67.50D to 33.75D (0.12D/0.25D steps)
(corneal refractive index = 1.3375)
Corneal astigmatic refractive power:  OD to ± lOD (0.12D/0.25D steps)
Corneal astigmatic axial angle:  0° to 180°(1°/ 5° steps)
PD Measurement Range 20mm to 85mm (1mm step)
Data Transport Terminal USB (Import), RS-232C (Export), LAN (Export)
Dimensions 286~326m (W) X 445~526mm (D) X 466~615 mm (H)
Weight 19.0kg
Power Supply 100-240V AC, 50-60Hz, 75VA