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Страница 2: ... slide on temples Temple with spring hinge Available in angle and length Accommodate up to four 38mm trial lenses Light 47g Simple Reasonable 4 How to use P D Adjustment Turn the P D adjusting knob 1 to adjust the P D This P D should be same as the patient s P D You can read the PD value on the panel see the arrowhead direction Nose pad adjustment According to the patient s nose move the nose pad ...
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