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Description:
1) Manufacturer by Bolan2) skillful manufacture
3) quality and quantity assured
4) with CE certification
5)digital
The cornea reflection lightcoincidencemethod is used.
This operates by aligning luminouspoint on the pupils with measuring line.
Results are displayeddigitally.
3 measurements are given right,right left, left.
Results are accurate to within0.5mm.
Measurements can be made for asingle eye or for both eyes.
Possible to measure PD offocusing-point distances ranging from 30cm to infinity.
Automatically switches OFF oneminute after operation is completed, thus
conserving power
Method of measurement corneareflection light coincidence method
Range of measurement 45 to 82MM(both eyes), 22.5 to 41MM (each eye)
Graduations 0.5MM
Range of focusing point 30 toinfinity
Power supply: 6V DC (Lr03 batteriesX2)
