Progressive multi-focus ophthalmic lens with personalized meridian and design method of progressive multi-focus ophthalmic lens

The invention discloses a progressive multi-focus ophthalmic lens and a design method thereof. A focal power value on a meridian line is determined by a vision scene coordinate of work or life of a person who puts on the lens. An object point position curve of an object viewing scene right in front...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	LYU XUANZHI, TANG YUNHAI, SHEN YUECHEN, WU QUANYING, CHEN BAOHUA, FAN JUNLIU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CONTACT LENSES OPTICS PHYSICS SPECTACLES SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES
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