Features

- Accurate refraction measurement
- Easy VA measurement with glare test
- Simple opacity assessment with retroillumination image
- Patient-friendly accommodation measurement
- Keratometry measurement with mire ring

ARK-1 Specifications:

Auto refractometer

Measurement range : Sphere :  -30.00 to +25.00 D (VD = 12 mm)
                              (0.01 / 0.12 / 0.25 D increments)
                    Cylinder : 0 to ±12.00 D (0.01 / 0.12 / 0.25 D increments)
                    Axis : 0 to 180° (1° / 5° increments)
Minimum measurable pupil diameter : ø2 mm

Auto keratometer

Measurement range : Curvature radius : 5.00 to 13.00 mm
                                     (0.01 mm increments)
                    Refractive power : 25.96 to 67.50 D (n = 1.3375)
                                     (0.01 / 0.12 / 0.25 D increments)
                    Cylindrical power : 0 to ±12.00 D
                                      (0.01 / 0.12 / 0.25 D increments)
                    Axis 0 to 180º : (1° / 5° increments)
Sagittal measurement : 25º each from the center
                       (superior side, inferior side, temporal side, nasal side)

Vision comparison : Available with scenery chart
PD measurement range : 30 to 85 mm (1 mm increments)
                       (Near point PD: 28 to 80 mm at WD = 40 cm)
Corneal size measurement range : 10.0 to 14.0 mm (0.1 mm increments)
Pupil size measurement range : 1.0 to 10.0 mm (0.1 mm increments)
Auto tracking / Auto shot : Y direction
                            Auto shot
Display : Tiltable 6.5-inch color LCD
Printer : Thermal line printer with easy loading and auto cutter
Interface : RS-232C (in / out), LAN, USB, Eye Care card system
Power supply : AC 100 to 240 V
               50 / 60 Hz
Power consumption : 100 VA
Dimensions / Mass : 260 (W) x 495 (D) x 457 (H) mm / 20 kg
                    10.2 (W) x 19.5 (D) x 18.0 (H)" / 44 lbs