Automatic, non-contact and nonintrusive
Child-friendly, no patient response
Fast and efficient
Complete, precise refractive information
comprehensive detection modes
Easy targeting
Ultrasonic distance measurement
Printer
*Please contact us for availability in your country.
Eye refraction screening
Optical Parameters
Sphere range
-9.0D to +8.0D (HAR-880) -6.0D to +8.0D (HAR-800)
Sphere intervals
0.25D/0.1D
Cylinder range
-3.0D to +3.0D
Cylinder intervals
0.25D/0.1D
Axis of astigmatism range
1° to 180°
Axis of astigmatism intervals
1°
Axis of astigmatism tolerence (0.25D to 1.00D)
±10°
Function Parameters
Working distance
335±10mm (Adult/Infant mode); 268±10mm (Myopia mode) (HAR-880 only)
Output of the laser radiation
150 to 200μw
Wavelength
850±20nm
Battery voltage
d.c.11.1V
Distance measurement
Automatic, with audible and visual hint
Battery life
More than 6 hours of continuous usage
Low-Battery warning
Indicates 15 minutes usage remains