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4 Cards in this Set
- Front
- Back
Groover |
Equipment used to place a groove in the periphery of a lens to be held in place by a nylon cord. |
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Focimeter |
Same as lensometer. |
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Semi - finished Blank |
Lens with a finished front or base curve and an unfinished back curve. |
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Finished Lens Blank |
Lens with front and back finished curves needing to be edged into a frame. |