Hi,
Ok in the olden days if a distance PD was 67, you would take 3 off, or substract 3 to get a near PD of 64. Is that still the rule? Remember, I am a returning optician after a +10 year break. Thanks all!!:hammer:
Distance PD vs Near Pd
Hi,
Ok in the olden days if a distance PD was 67, you would take 3 off, or substract 3 to get a near PD of 64. Is that still the rule? Remember, I am a returning optician after a +10 year break. Thanks all!!:hammer:
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