ES483836A1 - Perfeccionamientos introducidos en una lente de contacto. - Google Patents

Perfeccionamientos introducidos en una lente de contacto.

Info

Publication number
ES483836A1
ES483836A1 ES483836A ES483836A ES483836A1 ES 483836 A1 ES483836 A1 ES 483836A1 ES 483836 A ES483836 A ES 483836A ES 483836 A ES483836 A ES 483836A ES 483836 A1 ES483836 A1 ES 483836A1
Authority
ES
Spain
Prior art keywords
lens
centre
toric
prism
making
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
ES483836A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HIRST CONTACT LENS Ltd
Original Assignee
HIRST CONTACT LENS Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HIRST CONTACT LENS Ltd filed Critical HIRST CONTACT LENS Ltd
Publication of ES483836A1 publication Critical patent/ES483836A1/es
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses
    • G02C7/04—Contact lenses for the eyes
    • G02C7/048—Means for stabilising the orientation of lenses in the eye
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/02—Lenses; Lens systems ; Methods of designing lenses
    • G02C7/04—Contact lenses for the eyes

Abstract

Perfeccionamientos introducidos en una lente de contacto que tiene una parte tórica y una parte prismática, en la que la parte de la superficie anterior de la lente sobre la que está trabajada la parte tórica, está restringida, y la parte prismática de la lente está trabajada sobre la pestaña o portador sólamente de la superficie anterior lenticular y está truncada en un área inferior de la lente, siendo la construcción y la disposición tales que el centro de gravedad de la lente, en uso, esté por debajo del centro de giro de la lente.
ES483836A 1978-09-04 1979-09-03 Perfeccionamientos introducidos en una lente de contacto. Expired ES483836A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NZ18832578 1978-09-04

Publications (1)

Publication Number Publication Date
ES483836A1 true ES483836A1 (es) 1980-09-01

Family

ID=19918553

Family Applications (1)

Application Number Title Priority Date Filing Date
ES483836A Expired ES483836A1 (es) 1978-09-04 1979-09-03 Perfeccionamientos introducidos en una lente de contacto.

Country Status (8)

Country Link
US (1) US4318595A (es)
EP (1) EP0008726B1 (es)
JP (1) JPS6024924B2 (es)
AU (1) AU519537B2 (es)
CA (1) CA1135092A (es)
DE (1) DE2966088D1 (es)
ES (1) ES483836A1 (es)
SE (1) SE440284B (es)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0042023B1 (fr) * 1980-06-12 1983-09-28 Biolens Sa Lentille de contact à correction optique axée
US4407766A (en) * 1981-05-26 1983-10-04 National Patent Development Corporation Molds and procedure for producing truncated contact lenses
US4549794A (en) * 1983-05-05 1985-10-29 Schering Corporation Hydrophilic bifocal contact lens
CS246212B1 (en) * 1984-06-18 1986-10-16 Otto Wichterle Toric contact lens with centre of gravity shifted towards its border,mould for its production and method of moulds production
US4854089A (en) * 1985-04-05 1989-08-08 Sola U.S.A. Inc. Method of making a rigid gas permeable bifocal contact lens
GB8829819D0 (en) * 1988-12-21 1989-02-15 Freeman Michael H Lenses and mirrors
US5532768A (en) * 1993-10-04 1996-07-02 Menicon Co., Ltd. Contact lens
AU6330696A (en) * 1995-06-06 1996-12-24 Scientific Optics, Inc. Asymmetric bifocal intraocular lens
US5971541A (en) * 1996-05-29 1999-10-26 Danker; Frederick J. Correction of astigmatism using rotationally symmetric contact lenses
AU7282898A (en) * 1998-04-30 1999-11-23 Herrick Family Limited Partnership Artificial lens including a multifocal lens system having eccentric axis and method
US6746118B2 (en) * 2001-07-17 2004-06-08 Soft Focal Company, Inc. Bifocal contact lens with secondary prism
WO2005040896A1 (ja) * 2003-10-27 2005-05-06 Menicon Co., Ltd. コンタクトレンズ
US8328353B2 (en) * 2011-01-27 2012-12-11 Pegavision Corporation Segmented delta toric lens
JP5946981B2 (ja) * 2014-03-04 2016-07-06 株式会社メニコン ディセンタタイプのコンタクトレンズおよびディセンタタイプのコンタクトレンズセット
US10338699B2 (en) * 2015-06-25 2019-07-02 Microsoft Technology Licensing, Llc Variable density device profile
US10274751B2 (en) * 2016-07-05 2019-04-30 Bausch & Lomb Incorporated Prism ballasted contact lens

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3698802A (en) * 1969-12-29 1972-10-17 Henry J Baron Hydrophilic contact lens
DE2415108C3 (de) * 1974-03-28 1981-10-29 Titmus Eurocon Kontaktlinsen Gmbh & Co Kg, 8750 Aschaffenburg Weiche Kontaktlinse
FR2281584A1 (fr) * 1974-08-08 1976-03-05 Frith John Lentille de contact corrigeant l'astigmatisme

Also Published As

Publication number Publication date
JPS5543593A (en) 1980-03-27
JPS6024924B2 (ja) 1985-06-15
CA1135092A (en) 1982-11-09
AU519537B2 (en) 1981-12-10
EP0008726A1 (en) 1980-03-19
SE440284B (sv) 1985-07-22
US4318595A (en) 1982-03-09
EP0008726B1 (en) 1983-08-24
SE7907011L (sv) 1980-03-05
DE2966088D1 (en) 1983-09-29
AU4988979A (en) 1980-03-13

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