Patents Assigned to Sola International Holdings LTD
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Patent number: 6652096Abstract: A series of progressive opthalmatic lens elements, each lens element including a lens surface having an upper viewing zone having a surface power to achieve a refracting power corresponding to distance vision; a lower viewing zone having a greater surface power than the upper viewing zone to achieve a refracting power corresponding to near vision; a corridor of relatively low surface astigmatism connecting the upper and lower zones, said corridor having a surface power varying from that of the upper viewing zone to that of the lower viewing zone; the progressive opthalmatic lens series including a first set of lens elements having a base curve(s) suitable for use in providing a range of distance prescriptions for a first category of patient; and a second set of lens elements having a base curve(s) suitable for use in providing a range of distance prescriptions for a second category of patient; each lens element within a set differing in prescribed addition power and including a progressive design, in at leastType: GrantFiled: February 28, 2002Date of Patent: November 25, 2003Assignee: Sola International Holdings, Ltd.Inventors: Michael Alan Morris, Saulius Raymond Varnas, Anthony Dennis Miller
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Patent number: 6551710Abstract: An ultraviolet irradiation curable primer composition for coating optical articles, in which the primer composition comprises: a dithiol or polythiol compound, and an allyl or vinyl monomer. The coating composition can further comprise photochromic dyes and additional polymerizable monomers.Type: GrantFiled: September 12, 2000Date of Patent: April 22, 2003Assignee: Sola International Holdings, Ltd.Inventors: Fang Chen, Huan Kiak Toh, Mark Christopher Fisher, Matthew John Cuthbertson
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Patent number: 6505930Abstract: The disclosure relates to spectacle frames including frames adapted to engage ovaline edges of lens elements having a toroidal or changing base curvature. In a preferred embodiment the frame shape corresponds to the edge of front surfaces of a pair of lens elements having a high curvature which is common to various prescriptions.Type: GrantFiled: July 18, 2001Date of Patent: January 14, 2003Assignee: Sola International Holdings, Ltd.Inventors: Colin Maurice Perrott, Michael Alan Morris
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Patent number: 6454408Abstract: An optical lens element including a first surface; and a second surface of complementary curvature; at least one surface exhibiting significant deviation in curvature from a standard optical surface; the first and second surfaces in combination defining an optical zone exhibiting substantially constant mean through power along at least one meridian.Type: GrantFiled: December 3, 1999Date of Patent: September 24, 2002Assignee: Sola International Holdings, Ltd.Inventors: Michael Alan Morris, Colin Maurice Perrott, Simon J. Edwards, Ray Steven Spratt
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Patent number: 6391983Abstract: A crosslinkable polymeric casting composition comprises an aromatic polyvinyl monomer such as divinyl benzene, a polythiol such as pentaerythritol tetrakis-(3-mercaptopropionate), an epoxide strain-reducing agent such as hexanediol diglycidyl ether, and, optionally, a polymerizable comonomer such as polyethylene glycol dimethacrylate.Type: GrantFiled: October 22, 1999Date of Patent: May 21, 2002Assignee: Sola International Holdings, Ltd.Inventors: Ian Roger Bateman, Huan Kiak Toh, David Robert Diggins, Helena Kloubek
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Patent number: 6364481Abstract: An optical lens element adapted for mounting in a frame of the wrap-around type, the lens element including a front and back surface capable of providing an optical zone (OZ), and a peripheral temporal zone (HT) which includes a surface correction to improve the overall field of vision of the wearer.Type: GrantFiled: August 20, 1999Date of Patent: April 2, 2002Assignee: Sola International Holdings Ltd.Inventors: Kevin Douglas O'Connor, Anthony Dennis Miller
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Patent number: 6361166Abstract: Optical lens element with a prescription zone, suitable for use in wraparound or protective type eyewear. The element may also include a peripheral vision zone, with no prismatic jump between the zones. Design methods for the prescription zone include temporally rotating a prescription section about a vertical axis through the optical center thereof, and/or decentring the optical axis of said prescription section relative to the geometric axis thereof, and providing partial surface correction for astigmatic and/or mean power errors. For prescription powers in the range −6.0 to +6.0 diopters with 0 to 3 cyl, the optical lens element may be designed such that its front surface can be mounted in a frame of constant curvature of at least 5.0 diopters, with its back surface providing good clearance from temples and eyelashes. Applications include ophthalmic sunglass lenses.Type: GrantFiled: January 19, 1999Date of Patent: March 26, 2002Assignee: Sola International Holdings Ltd.Inventors: Colin Maurice Perrott, Kevin Douglas O'Connor, Simon John Edwards, Eric F. Barkan, David H. Sklar
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Patent number: 6343861Abstract: A progressive ophthalmic lens element including a lens surface having an upper viewing zone having a surface to achieve a refracting power corresponding to distance vision, a lower viewing zone having a greater surface power than the upper viewing zone to achieve a refracting power corresponding to near vision, and an intermediate zon extending across the lens element having a surface power varying from that of the upper viewing zone to that of the lower viewing zone and including a corridor of relatively low surface astigmatism, the progressive ophthalmic lens element including progressive design elements selected to reduce myopia progression.Type: GrantFiled: February 26, 2001Date of Patent: February 5, 2002Assignee: Sola International Holdings, Ltd.Inventors: Dimitrios Jack Kris, Simon John Edwards, Scott Warren Fisher, Simon John Pavy, Saulius Raymond Varnas
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Patent number: 6334681Abstract: An optical lens element of wrap-around or shield type wherein the aperture of the lens outline or edge of east one surface of the optical lens element is of generally ovaline shape and located on the surface of a sphere whose radius of curvature corresponds to 11 D or above, a toroid where the horizontal radius or curvature corresponds to 11 D or above, or a surface where the radius of curvature changes across at least section of the lens aperture.Type: GrantFiled: April 16, 1999Date of Patent: January 1, 2002Assignee: Sola International Holdings Ltd.Inventors: Colin Maurice Perrott, Kevin Douglas O'Connor, Simon John Edwards
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Patent number: 6313251Abstract: A cross-linkable polymeric casting composition including an effective amount of A: an acrylic or methacrylic monomer which provides high rigidity and low color dispersion (High Abbe number) to the final product; B: a di- or polythiol compound; C: a di- or polyvinyl monomer; and optionally D: a polymerizable comonomer.Type: GrantFiled: September 28, 1999Date of Patent: November 6, 2001Assignee: Sola International Holdings, Ltd.Inventors: Huan Kiak Toh, Ian Roger Bateman, David Robert Diggins, Bohdan Grzegorz Cieslinski
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Patent number: 6305800Abstract: An ophthalmic lens element having a first surface and an atoroidal or generally aspheric second surface. The second surface is described by a symmetric polynomial whose coefficients have been chosen to minimize a merit function constructed of the sum of a particular optical aberration over substantially the entire surface thereof.Type: GrantFiled: June 16, 2000Date of Patent: October 23, 2001Assignee: Sola International Holdings Ltd.Inventors: Anthony Dennis Miller, Saulius Raymond Varnas
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Patent number: 6260967Abstract: A progressive ophthalmic lens element having a front surface that includes an upper viewing zone having a surface power suitable for distance vision, a lower viewing zone having a surface power suitable for near vision, and a corridor of relatively low astigmatism connecting the upper and lower viewing zones, the corridor being a part of an intermediate viewing zone having a surface power varying from that of the upper viewing zone to that of the lower viewing zone. The progressive ophthalmic lens element also has a back surface. The invention is then characterized by the front surface including at least one correction to improve optical performance of the lens element by at least partially compensating for a cylinder correction applied to, or to be applied to, the backsurface.Type: GrantFiled: May 18, 2000Date of Patent: July 17, 2001Assignee: Sola International Holdings Ltd.Inventors: Simon John Edwards, Saulius Raymond Varnas, David H. Sklar
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Patent number: 6258218Abstract: A method and apparatus for vacuum coating plastic lens elements employs Meissner traps and a drum work holder configuration for effectively condensing water vapor in the system.Type: GrantFiled: October 22, 1999Date of Patent: July 10, 2001Assignee: Sola International Holdings, Ltd.Inventor: Clive H. Burton
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Patent number: 6256152Abstract: A laminate optical article including a first outer layer; a second outer layer; and an inner layer positioned between said first and second outer layers, the inner layer providing a desirable optical property to the laminate optical article.Type: GrantFiled: January 11, 1999Date of Patent: July 3, 2001Assignee: Sola International Holdings Ltd.Inventors: Peter Wallace Coldrey, Matthew John Cuthbertson, Helena Kloubek, Paul John Coates
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Patent number: 6175450Abstract: A transparent photochromic article including a transparent substrate including a photochromic material; and an anti-reflection surface coating thereon, produced with a plurality of overlapping layers incorporating, alternatively a first and second material having respectively higher and lower refractive indices, the anti-reflection coating including; a first layer including said first material having an optical thickness of about 20 to 45 nm; a second layer including said second material having an optical thickness of about 25 to 45 nm; a third layer including said first material having an optical thickness of about 220 to 250 nm; and a fourth layer including said second material having an optical thickness of about 95-115 nm.Type: GrantFiled: November 10, 1998Date of Patent: January 16, 2001Assignee: Sola International Holding LTDInventors: Fabrizio Andreani, Lino Barbieri
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Patent number: 6172140Abstract: A cross-linkable polymeric casting composition includes an effective amount of an acrylic or methacrylic di- or polythiol monomer of the formula (1) wherein p is an integer of 0 or 1, M or M′ are each spacer groups selected from one or more of the following formulae (i), (ii) wherein m is an integer of 0 or 1 and n is an integer of 0 to 3, with the proviso that m and n are not both equal to zero, R1R2, R3 and R4, which may be the same or different, are selected from hydrogen, alkyl or substituted alkyl of 1 to 10 carbon atoms, alkoxy or substituted alkoxy of 1 to 10 carbon atoms, or R1 or R2 is (iii) and optionally a polymerisable comonomer.Type: GrantFiled: July 27, 1999Date of Patent: January 9, 2001Assignee: Sola International Holdings LTDInventors: Huan Kiak Toh, Fang Chen, Chong Meng Kok
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Patent number: 6166158Abstract: A cross-linkable polymeric casting composition including an effective amount ofA: an acrylic or methacrylic monomer which provides high rigidity and low colour dispersion (High Abbe number) to the final product;B: a di- or polythiol compound;C: a di- or polyvinyl monomer; and optionallyD: a polymerisable comonomer.Type: GrantFiled: July 16, 1999Date of Patent: December 26, 2000Assignee: Sola International Holdings Ltd.Inventors: Huan Kiak Toh, Ian Roger Bateman, David Robert Diggins, Bohdan Grzegorz Cieslinski
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Patent number: 6155681Abstract: A progressive ophthalmic lens element including a lens surface having upper viewing zone providing good optical quality at a predetermined low surface power over a large area of vision; said predetermined power being determined by the viewer's distance prescription (R.sub.x) the horizontal fitting position normally being determined by the inter pupillary distance of the wearer, and the vertical fitting position normally being determined by the vertical frame midpoint; a lower viewing zone of higher surface power providing an enhanced range of vision for intermediate or lesser viewing distances; and a corridor of relatively low astigmatism extending therebetween; wherein the contours of mean surface power and/or surface astigmatism within the lower viewing zone, upper viewing zone and corridor are generally symmetric about a vertical lens meridian.Type: GrantFiled: December 15, 1998Date of Patent: December 5, 2000Assignee: Sola International Holdings Ltd.Inventors: Dimitrios Jack Kris, Simon John Edwards, Scott Warren Fisher, Saulius Raymond Varnas
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Patent number: 6153663Abstract: A cross-linkage polymeric casting composition including an effective amount of a divinyl ester monomer of a bicyclic or polycyclic compound, and optionally, a minor amount of a di- or polythio compound. The specification and claims include allylic ethers withing the definition of divinyl ester, for example bisphenol fluorene diglycidyl allylic ether and bisphenol S diallyl ether.Type: GrantFiled: March 31, 1999Date of Patent: November 28, 2000Assignee: Sola International Holding, Ltd.Inventors: Fang Chen, Huan Kiak Toh
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Patent number: D438126Type: GrantFiled: March 20, 2000Date of Patent: February 27, 2001Assignee: Sola International Holdings, Ltd.Inventor: Peter Edward Pickering