Autorefractor Keratometer
Product Model: ARK-980
Top Features include
- Electric forehead rest
- Automatic paper cutting
- Built-in thermal printer
- 3D smart measurement
Designed for Ease of Use

Operation interface
Single true colour imaging
field up to 176°

Electric forehead rest
Adjust the surveyor’s pause height with the up and down switches on the operation panel

Automatic paper cutting
Built-in thermal printer that automatically cuts paper
Specifications
| Vertex distance options | 0.0mm, 12.0mm, 13.75mm, 15.0mm |
|---|---|
| Sphere range | -20.00D to +20.00D (steps: 0.01, 0.06, 0.12, 0.25D, VD = 12mm) |
| Axis range | 1° – 180° (1° steps) |
| Cylinder form | -, +, ± |
| Pupil distance range | 10 – 86mm |
| Minimum measurable pupil diameter | ≥ 2.0mm |
| Measuring light energy | < 30µW (ensures safe measurement) |
| Radius of curvature | 5.0 – 10.0mm (0.01mm units) |
| Corneal power | 33.00D – 67.00D (based on equivalent refractive index 1.3375) |
| Corneal astigmatism | 0.00D – 15.00D (steps: 0.06, 0.12, 0.25D) |
| Data storage | Up to 10 measurements each for left and right eyes |
| Axis measurement | 1° – 180° |
| Chart | Auto chart display |
| Monitor | 10.4-inch SHARP TFT LCD touchscreen (angle adjustable) |
| Built-in printer | 57mm thermal printer with automatic paper cutting |
| Power supply | AC 100 – 250V, 50/60Hz |
| Net weight | 22kg |
| Gross weight | 26.5kg |
Note: Specifications and design are subject to change without notice.