Topcon KR-800S Auto Kerato-Refractometer

Accurate objective measurement (REF, KRT, R/K)
The unique Rotary Prism Technology allows for measurement of an area of the retina while permitting measurements through pupils as small as 2mm in diameter
Confirm objective and subjective visual acuity under glare conditions before cataract surgery
Easy-to-use, fast measurements
Compact, user-friendly design with wide 8.5 inch color touchscreen display
Contrast sensitivity testing
Grid chart test
Easy load printer

5-in-1 Auto Kerato-Refractometer
Accurate objective measurement (REF, KRT, R/K)
Subjective VA measurement for far and near distance
Glare test
Grid test
Contrast test

SPECIFICATIONS
Objective Refractometer Mode – Sphere Range -25 to +22D (0.12D/0.25D steps) *1
Cylinder Range  0D to 10D (0.12D/0.25D steps) *1
Axis Range  0°to 180° (1°/5° steps)
Minimum Measurable Pupil Diameter  2mm
Corneal Curvature Mode – Corneal Curvature Radius 5.00mm to 10.00mm (0.01mm display unit)
Corneal Refraction 67.50D to 33.75D(0.12D/0.25D steps)
Refraction Index 1.3375
Corneal Astigmatism 0D to 10D (0.12D/0.25D steps)
Corneal Astigmatism Axial Angle 0 to 180° (1°/5° steps)
Subjective Measurement Mode – Sphere Range -18 to +18D (0.25D steps) *2
Cylinder Range 0D to 8D (0.25D steps) *2
Axis Range 0°to 180° (1°/5° steps)
PD Measurement Range 20-85mm (0.5mm display unit)
Input/Output USB(for Import), RS-232C(for Export), LAN(for Export)
Dimensions 317-341mm(W) × 521-538mm(D) × 447-477mm(H)
Weight 16kg
Power Supply 100-240V AC, 50-60Hz