MULTIFOCAL OPHTHALMIC LENS

In a multifocal ophthalmic lens comprising an aspherical surface having at every point thereon a mean sphere and a cylinder, a far vision region, a near vision region, and an intermediate vision region, the length of progression i.e. the length over which lens power varies by a set amount in differe...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	AHSBAHS, FRANCOISE, MIEGE, CHRISTIAN, BAUDART, THIERRY
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CONTACT LENSES OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS SPECTACLES SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES
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