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8. Measurement range
The measurement range of the plusoptiX A09 is between -7.00 dpt and +5.00 dpt and
is based on the spherical equivalent of the measurement result. This measurement
range can be extended by a max. ± 3.00 dpt by using flippers with plus or minus
lenses.
9. Status messages
The plusoptiX A09 was unable to find pupils within 20 seconds. Restart the
measurement procedure and ensure the correct distance to patient.
One or both pupils are larger than 8.00 mm. Increase the lighting in the room to
contract the pupils.
One or both pupils are smaller than 4.00 mm. Decrease the lighting in the room to
dilate the pupils.
Infrared component in ambient light is too strong. Avoid direct sunlight and
switch off “warm” light sources such as halogen or incandescent lamps.
If the spherical equivalent is ≥ +5.00 dpt the measurement value shows
“Hyperopia”. The child is very far-sighted. If the spherical equivalent is ≥ -7.00
dpt the measurement value shows “Myopia”. The child is very short-sighted. In
both cases please refer the child to an eye specialist.
In monocular mode, only one eye can be measured. Cover the patient’s left eye.
In monocular mode, only one eye can be measured. Cover the patient’s right eye.
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