OPHTHALMIC LENS COMPRISING SURFACE UTILITY MICROSTRUCTURE AND MANUFACTURING METHOD THEREOF

PROBLEM TO BE SOLVED: To provide a method for manufacturing an ophthalmic lens comprising a surface utility microstructure, in particular, a surface microstructure having an extinction actuation. SOLUTION: The ophthalmic lens made of organic glass is manufactured by the molding between two constitut...

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Hauptverfasser:	KELLER GERHARD, BOSMANS RICHARD, MORALES WILSON BASILIO JR, DUFRESNE JEAN-FRANCOIS, MASSEY GILLES, WHITE SIDNEY SHAW JR, BRALEY WALTER CHARLES
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CONTACT LENSES INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PERFORMING OPERATIONS PHYSICS PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SPECTACLES SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method for manufacturing an ophthalmic lens comprising a surface utility microstructure, in particular, a surface microstructure having an extinction actuation. SOLUTION: The ophthalmic lens made of organic glass is manufactured by the molding between two constitutional elements 2 and 4 of a mold 1 connected with a stationary element 5. An optical material or composition is introduced into a mold assembly by casting or injection through a hole 6 and is cured or polymerized in the assembly, and the mold is disassembled to obtain an optical lens. At least one of the mold constitutional elements 2 and 4 includes an inner surface 3 having a viewing field correction shape. The inner surface 3 of the mold constitutional element 2 is provided with the surface utility microstructure, that is, the microstructure having an extinction actuation. The microstructure is determined by an interferential process. COPYRIGHT: (C)2010,JPO&INPIT