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#2069 PD³ Multi-Rule
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PD³ Multi-Rule

Three rules PLUS a pinhole occluder. Use the scales on this rule to measure binocular PD, monocular PD, seg heights, bridge, DBL of frame and eyewire A and B dimensions. A pinhole occluder tests visual acuity. 7-3/8" long by 1" wide.
#2069 $3.25

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