Topcon KR 8900 Autorefractor / Keratometer

The Topcon KR 8900 Autorefractor/Keratometer is loaded with features with proven consistent and accurate results.

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KR 8900  Autorefractor  /  Keratometer

The VSI Certified Pre-owned KR 8900 autorefractor maintains Topcon’s core accuracy by utilizing standard rotary prism technology, while adding on new features, such as a drop and close feature on the printer and an enhanced overall design for better patient interaction. Fully refurbished and certified, comes with warranty and lifetime tech support.

Color Liquid Crystal Display

Measurement results and setting information are displayed on an easy-to-view color screen.

Incorporated Rotary Prism Measuring System

The rotary prism measurement system unique to Topcon assures high measurement accuracy.

Measurable Minimum Pupil Diameter is 2.0mm

Pupils of aged people and people with long eyelashes can be measured easily.

Compact and Stylish Design

The compact footprint can save space and add functionality to the contemporary eye care practice with a smaller optical head and an ergonomically positioned screen.

Easy-to-Load Printer

The easy-to-load printer enables simple maintenance. Just drop the paper roll into the holder.

Cornea Diameter Measurement

Corneal diameter can be measured during testing, and the image can be recalled later.


Financing Available


Objective Refractometer Mode

Sphere -25D to +22D (0.12D/0.25D) Cylinder 0D to ±10D (0.12D/0.25D) Axis 0° to 180° (in 1° or 5° steps) Minimal pupil diameter Ø2.0mm Target fixation Auto fog system

Corneal Curvature Mode

Corneal curvature radius 5.00 to 10.00mm (0.01mm)


67.5D to 33.75D (0.12D/0.25D)

0D to ±10D (0.12D/0.25D)

0° to 180° (in 1° or 5° steps)

3mm with 7.7mm radius

Refraction index Corneal refraction Corneal astigmatism Corneal astigmatism axial

angle Measuring area


PD measurement range

85mm max. in 1mm step

Measurement start

Auto Start/Manual (selectable)

Measurement display

Color LCD Monitor

Measurement recording

Built-in printer (Up to 10 measurements of each eye can be stored in memory)


5″ LCD

Vertex distance

0, 12.0 and 13.75mm (selectable)

Energy saving

Automatic Power Saver Mode when left unused for 10 minutes

Power supply

100-120,220-240V AC, 50/60Hz, 75VA


RS-232C / USB1.1




275(W) x 475(D) x 450(H)mm