MULTIFOCAL DIFFRACTIVE OPHTHALMIC LENS USING SUPPRESSED DIFFRACTIVE ORDERS

The invention relates to a multifocal diffractive ophthalmic lens using suppressed diffraction orders. A multifocal ophthalmic lens includes an ophthalmic lens and a diffractive element. The ophthalmic lens has a base curvature corresponding to a base focal power. The diffractive element produces co...

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Bibliographische Detailangaben
Hauptverfasser:	KHUN SIN, CHOJ MIOUNG-TAEK, LIU YUEAI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS CONTACT LENSES DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PHYSICS PROSTHESES SPECTACLES SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES TREATMENT OR PROTECTION OF EYES OR EARS
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