Features:
1. The “cornea reflection light coincidence method” is used.
2. This operates by aligning luminous point on the pupils with measuring line.
3. Results are displayed digitally. 3 measurements are given: right, right+left, left.
4. Results are accurate to within 0.25mm.
5. Measurements can be made for a single eye or for both eyes.
6. Possible to measure PD of focusing-point distances ranging from 30cm to infinity.
7. Automatically switches OFF one minute after operation is completed, thus conserving power. Distances from tops of the cornea to lenses or frames can also be measured.
Specifications:
1. Method of measurement: cornea reflection light coincidence method
2. Range of measurement: 48 to 77MM (both eyes), 24 to 38.5MM (each eye)
3. Graduations: 0.5MM
4. Power supply: 4.5V DC (Lr03 batteries X3)
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