Types oflenticular lenses

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The document discusses lenticular lenses, which have a central area with prescribed power surrounded by a carrier area of little or no power. Lenticular lenses are used for high prescriptions between +10 to -30 diopters. There are several types including aspheric, Welsh 4 drop, and multi-drop plus lenses as well as myodisc and minus lenticular minus lenses. Lenticular lenses provide benefits of reduced weight and thickness compared to standard lenses but can have aesthetic drawbacks when the edge of the aperture is visible. Various manufacturers produce lenticular lenses in different materials and indexes to accommodate a wide range of prescriptions.Read less