You searched for: “omnifocal lenses
omnifocal lens (s) (noun), omnifocal lenses (pl)
1. A lens for near and distant vision in which the reading portion is a continuously variable curve.
2. A lens whose power increases continuously and regularly in a downward direction, avoiding the discontinuity of bifocal and trifocal lenses.
This entry is located in the following units: focus-, foci- (page 2) lenti-, lent-, lens- + (page 2) omni-, omn- (page 3)