Mold clamping and precure of a polymerizable hydrogel

• Main Authors: ADAMS, JONATHAN PATRICK, BJERRE, KAJ, CHRISTENSEN, SVEND, WIDMAN, MICHAEL FRANCIS, WANG, DANIEL TSU-FANG, WALKER, CRAIG WILLIAM, MARTIN, WALLACE ANTHONY, KINDT-LARSEN, TURE
• Format: Patent
• Language: English; French; German
• Published: 13.12.1995
• Edition: 6
• Subjects: 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; 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

The present invention provides a method and apparatus for partially curing a polymerizable monomer or monomer mixture to form a soft contact lens. The apparatus includes a clamping member and a radiant energy source.