Auto Kerato-Refractometer KR-8900 from Topcon

Color liquid crystal display screen
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.

For more detail: http://www.topcon.co.jp/en/eyecare/product/refra/ref/kr8900.html