METHOD OF OPTIMIZING A PROGRESSIVE OPHTHALMIC MULTIFOCAL LENS

The lens has a mean sphere and a cylinder at each of points of an aspherical surface of the lens. A main progression meridian passes through far, near and intermediate vision regions. Differences between maximum cylinder values over a distance of 20 mm at both sides of the meridian have an absolute...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SANDRINE FRANCOIS, FRANCOISE AHSBAHS
Format:	Patent
Sprache:	eng ; por
Schlagworte:	CONTACT LENSES OPTICS PHYSICS SPECTACLES SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!