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A '''vertometer''' is an ophthalmic bench instrument used to measure ] power of a lens. It differs from a ] or ] which is a general dispensory tool for opticians to verify spectable prescriptions at the laborartory. A vertometer, on the other hand, is a more precision instrument used to locate, mark, and index a lens optical center for edging, mounting, and construction of a spectacle prescription. |
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== See also == |
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== References == |
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* ''(includes picture of instrument)'' |
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{{Uncategorized|date=July 2007}} |
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