omnifocal lens
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omnifocal lens
[¦äm·nə‚fō·kəl ′lenz] (optics)
A bifocal eyeglass lens that is shaped to allow a smooth transition from one focus to the other. Also known as progressive lens.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.