Auto Kerato-Refractometer with Corneal Mapping

Detailed Corneal Analysis at your Fingertips

The KR-800PA is an enhanced Auto Kerato-Refractometer that provides quick and accurate corneal measurements and color mapping. The instrument features auto alignment for ease of operation and simultaneous capture of refractive, keratometric and corneal mapping data to optimize efficiency.

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Comparison chart of Topcon Autorefractors

Technology that revolutionizes practice workflow efficiency. Saving you time and elevating the patient experience.

Key Features

  • 70+ YEARS OF REFRACTOMETERS – With over 70 years of experience designing and manufacturing high-performance refractometers, Topcon has developed the KR-800PA with ease of use, flexibility, and reliability as core features.
  • 3-IN-1 SPACE SAVING DESIGN – Incorporates auto refraction, keratometry, and corneal mapping into a single unit.
  • EASY OPERATION – Touch panel chin-rest adjustment, both manual and auto-alignment/capture.
  • ROTARY PRISM TECHNOLOGY – Highly accurate refractive and keratometric measurements.
  • PATIENT-FRIENDLY – Invisible infrared light, no bright light source to cause discomfort or pupil constriction during exams.
  • EMR + DICOM CONNECTIVITY – Easily transport data across USB, LAN export, or DICOM for fast EMR connectivity.

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Objective Refractometer Mode

Spherical Refractive Power

-25D to +22D (0.12D/0.25D steps)

Cylindrical Refractive Power

0D to ±10D (0.12D/0.25D steps)

Astigmatic Axial Angle

1° to 180° (in 1° or 5° steps)

Minimal Measurable Pupil Diameter

φ2 mm

Corneal Curvature Measurement

Corneal Curvature Radius

5.00 to 10.00mm (0.01mm steps)

Corneal Refractive Power

67.50D to 33.75D (0.12D/0.25D steps) (where corneal refractive power =1.3375)

Corneal Astigmatic Refractive Power

0D to ±10D (0.12D/0.25 D steps)

Corneal Astigmatic Axial Angles

1° to 180° ( 1°/ 5° steps)

PD Measurement Range

20mm to 85mm (0.5mm steps)

Data Transport Terminal

USB (Import) /RS-232C (Import/Export) / LAN (Export)


321-340mm (W) x 523-539mm (D) x 490-520 mm (H)


19 kg

Power Supply

100-240V AC, 50-60Hz, 55-90VA

KR-800PA Brochure

i-Map for KR Flyer

Refraction Solutions Brochure