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Definition of Varifocal lens
1. Noun. A spectacle lens whose magnifying power varies from top to bottom, allowing them to be used for both distance use and for reading ¹
¹ Source: wiktionary.com
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1. Noun. A spectacle lens whose magnifying power varies from top to bottom, allowing them to be used for both distance use and for reading ¹
¹ Source: wiktionary.com