Posted by Admin / 30 August, 2022 /
Portable autorefractor machine from Beijing Hongdee Corporation has three types as below:
- 1. ARK-200: manual portable auto refractor
- 2. ARK-900: semi automated digital autorefractor
- 3. ARK-710: fully automated auto refractor
Then, I will introduce the details of each auto refractor equipment machine type as below:
ARK-200: Manual Auto Refractometer Features:
- 1.5.7" screen display,
- 2. Switch between manual capture and auto capture is available.
- 3. IOL measurement is available.
- 4. Rotary prism technology guarantees accuracy of test result.
- 5. Highly reliable, failure rate is less than 0.5%
- 6. Automatic paper cutting.
- 7. Auto focus, auto eye tracking
Auto Refractometer Specifications:
| Refractive Power Measurement | Spherical refractive power | -25D to +22D (0.12D/0.25D steps) |
| Cylindrical refractive power | 0D to ±8D (0.12D/0.25D steps) | |
| Astigmatic axial angle | 1º to 180º (in 1º steps) | |
| Minimal measurable pupil diameter | ɸ2mm | |
| Corneal curvature Measurement | Corneal curvature power | 5.00 to 10.00mm (0.01mm step) |
| Corneal refractive power | 33D to 67D (0.12D/0.25D steps) | |
| Corneal astigmatic refractive power | 0D to -15D (0.12D/0.25D steps) | |
| Corneal astigmatic axial angle | 1º to 180º; (in 1º; steps) | |
| PD Measurement Range | 45mm to 85mm (0.5mm step) | |
| Dimensions | 275mm(W)x475mm(D)x435-465mm(H) | |
| Weight | 18kg | |
| Power Supply | 110-240V AC, 50-60Hz | |
ARK-900: Semi Automated Auto Refractometer Features:
- 1. 6.5" touch screen control panel for easy operation
- 2. Joystick movement assisted by the motor for the ease of up and down elevation
- 3. 90 degree foldable control panel for different angel of view.
- 4. Rotary prism technology guarantees accuracy of test result.
- 5. Motorized chin rest
- 6. Automatic paper cutting.
- 7. Auto focus, auto eye tracking,
- 8. Switch between manual capture and auto capture is available.
Digital Ophthalmic Equipment Auto Refractor Specifications:
| Vertex distance | 0` 12.0` 13.75` 15.00mm |
| Spherical degree measurement range | -25.00D ~ +25.00D |
| Column mirror measurement range | -10D ~ +10D |
| Axis measurement range | 0º ~ 180º |
| Interpupillary distance measurement range | 10mm ~ 85mm |
| Minimum measurement pupil diameter | ɸ2.0mm |
| Radius of curvature measurement range | 5mm-10mm |
| The measurement range of principal meridian axis of corneal curvature | 0º ~ 180º |
| Corneal diameter measurement range | 2.0mm-12.0mm |
| Display | 6.5 inch LCD display |
| Printer | Built-in imported thermal printer |
| Power saving mode | 1/5/10/20/40 minutes no operation |
| Power supply | ~220V 50Hz 75VA |
| Size/Weight | 255mm(W)*490mm(D)*460-490mm(H)/18kg |
ARK-710: fully automated auto refractor Features:
- 1. 9" touch screen control panel for easy operation
- 2. Fully automated measurement for R/L eye test; only one touch on the screen to do the whole measurement
- 3. 360 degree rotating control panel fit for installation in different eye exam room configuration.
- 4. Rotary prism technology guarantees accuracy of test result.
- 5. Adoption of the Cortex M7 chips increases the measurement efficiency, faster algorithm, captures the
- 6 eye instantly, very useful to do the test for the patient with nystagmus.
- 7. Automatic print after test and automatic paper cutting.
- 8. Automatic self-checking after power on to make sure everything works fine before test.
- 9. Auto focus, auto eye tracking, auto measurement, and motorized chin rest.
- 10. Automatic restoration to original position for packing.
ARK-710 Autorefractometer Specifications:
| Measurement mode | K/R mode: | Diopter and corneal curvature measurements |
| REF mode: | Diopter measurement | |
| KRT mode: | Corneal curvature measurement | |
| Diopter measurement | Vertical distance (VD) | 0mm` 12.0 mm` 13.75 mm` 15.00mm |
| Spherical degree measurement range | -25.00D ~ +25.00 | |
| Column mirror measurement | -10D ~ +10D | |
| range | ||
| Axis measurement range | 0º ~ 180º | |
| Interpupillary distance measurement range | 10mm ~ 85mm | |
| Minimum measurement pupil diameter | ɸ 2.0mm | |
| Radius of curvature measurement range | 5mm ~ 10mm | |
| Corneal measurement | Direction of corneal Astigmatic axis | 0º ~ 180º |
| Corneal diameter | 2.0mm ~ 12mm | |
| Product specifications | Display | 9" Touch LCD monitor |
| Printer | Import thermal printer | |
| Power saving mode | 1/5/10/40 minutes no operation | |
| Power supply | AC220V;50Hz 75VA | |
| Size/Weight | 300(W)*450(D)*500-530(H)mm/20kg | |
| Chart | Automatic fogging method |