Hello,
I'm getting conflicted answers so thought I should ask on here,
1. 'Round is more blended than D seg so there is less of a jump, with D seg there is more of a sudden introduction of...
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Hello,
I'm getting conflicted answers so thought I should ask on here,
1. 'Round is more blended than D seg so there is less of a jump, with D seg there is more of a sudden introduction of...
Hi there,
Reading over the different solutions e.g. unequal segment sizes, crown glass segments, Franklin split, slab off, all of them have disadvantages and seem to be rare. Is it actually...
Hello, quick question please,
So for Low Vision Aids it's better to have CR39 due to it's high V value and therefore wider of field, correct?
However if somebody has chosen to get SV reading...