Procedure for designing a progressive ophthalmic lens and corresponding lens

Procedure for designing a progressive ophthalmic lens and corresponding lens

Method for designing a progressive ophthalmic lens with a top area between a vision area and a top edge of the lens, and a bottom area between a near vision area and a bottom edge of the lens. Selecting a predesigned lens, lateral aberrations which are redistributed around an outer area, defined acc...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: CASANELLAS PEÑALVER GLÒRIA, DÜRSTELER LÓPEZ JUAN CARLOS, CHAMADOIRA-HERMIDA SARA, VEGAS CABALLERO JAVIER, ESPINOLA ESTEPA MANUEL
Format: Patent
Sprache:eng
Schlagworte:
CONTACT LENSES
OPTICS
PHYSICS
SPECTACLES
SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES
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Beschreibung
Zusammenfassung:Method for designing a progressive ophthalmic lens with a top area between a vision area and a top edge of the lens, and a bottom area between a near vision area and a bottom edge of the lens. Selecting a predesigned lens, lateral aberrations which are redistributed around an outer area, defined according to a frame chosen by the lens user, so that at least on one of intersections between top, bottom and outer areas, the aberrations adopt values higher than those in the predesigned lens.