LENTE OFTALMICA MULTIFOCALE PROGRESSIVA

A progressive multifocal ophthalmic lens is provided having an aspherical surface comprising a distance vision portion, a near vision portion and an intermediate vision portion, in which the maximum mean sphere gradient value is situated in the intermediate vision portion of the principal meridian o...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	CHAUVEAU JEAN-PIERRE, AHSBAHS FRANCOISE, HARSIGNY CHRISTIAN, MIEGE CHRISTIAN
Format:	Patent
Sprache:	ita
Schlagworte:	CONTACT LENSES OPTICS PHYSICS SPECTACLES SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES
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