MX9307328A - Metodo para la fabricacion de lentes de contacto de vision torica simple, bifocales esfericos o asfericos, multifocales o progresivos y los lentes de contacto asi producidos. - Google Patents

Metodo para la fabricacion de lentes de contacto de vision torica simple, bifocales esfericos o asfericos, multifocales o progresivos y los lentes de contacto asi producidos.

Info

Publication number
MX9307328A
MX9307328A MX9307328A MX9307328A MX9307328A MX 9307328 A MX9307328 A MX 9307328A MX 9307328 A MX9307328 A MX 9307328A MX 9307328 A MX9307328 A MX 9307328A MX 9307328 A MX9307328 A MX 9307328A
Authority
MX
Mexico
Prior art keywords
optical preform
patient
contact lens
aspheric
pupil
Prior art date
Application number
MX9307328A
Other languages
English (en)
Inventor
Ronald D Blum
Amitava Gupta
Original Assignee
Innotech Inc
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 Innotech Inc filed Critical Innotech Inc
Publication of MX9307328A publication Critical patent/MX9307328A/es

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/0074—Production of other optical elements not provided for in B29D11/00009- B29D11/0073
    • B29D11/00769—Producing diffraction gratings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/00038—Production of contact lenses
    • B29D11/00086—Production of contact lenses methods for matching the anterior surface of the contact lens to the shape of an eyeball
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00009—Production of simple or compound lenses
    • B29D11/0048—Moulds for lenses
    • B29D11/00519—Reusable moulds
    • 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
    • G02C7/021—Lenses; Lens systems ; Methods of designing lenses with pattern for identification or with cosmetic or therapeutic effects
    • 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
    • G02C7/041—Contact lenses for the eyes bifocal; multifocal
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0016—Lenses
    • B29L2011/0025—Toric lenses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B29L2011/0016—Lenses
    • B29L2011/0033—Multifocal lenses
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C2202/00—Generic optical aspects applicable to one or more of the subgroups of G02C7/00
    • G02C2202/20—Diffractive and Fresnel lenses or lens portions

Landscapes

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Eyeglasses (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

Se describe un método para la elaboración de un lente de contacto acabado de visión simple esférico, o bifocal esférico o esférico, multifocal o de adición de progresiva, que incluye el paso de ajustar a un paciente que requiera una corrección cerca, un lente de contacto esférico o esférico de visión simple, para la visión de distancia óptima y ajuste confortable. El paciente es luego sobrerefractado para determinar la corrección cercana requerida, a ser incorporada en el lente de contacto. Una porción del óptico corresponde a la posición central de la pupila es marcada sobre el lado convexo del óptico, para formar una preforma óptica. La preforma óptica es retirada del ojo del paciente y el lado cóncavo de la preforma óptica es marcado en una posición que corresponde a la marca sobre el lado convexo, que denota el centro de la pupila. La marca colocada sobre el lado convexo de la preforma óptica es retirada. Un volumen específico de resina polimerizable es colocado en un molde que incorpora la corrección requerida, la cual incluye una zona de adición de aumento, de modo que la resina llena el espacio entre el molde y la preforma óptica. La zona de adición de aumento es alineada sobre la preforma óptica a una posición predeterminada con respecto a la marca de la preforma óptica, designando el centro de la pupila. La resina es luego polimerizada y la preforma óptica es desmoldada para obtener el lente de contacto acabado, que tiene la corrección requerida.
MX9307328A 1992-11-23 1993-11-23 Metodo para la fabricacion de lentes de contacto de vision torica simple, bifocales esfericos o asfericos, multifocales o progresivos y los lentes de contacto asi producidos. MX9307328A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/980,053 US5406341A (en) 1992-11-23 1992-11-23 Toric single vision, spherical or aspheric bifocal, multifocal or progressive contact lenses and method of manufacturing

Publications (1)

Publication Number Publication Date
MX9307328A true MX9307328A (es) 1994-06-30

Family

ID=25527324

Family Applications (1)

Application Number Title Priority Date Filing Date
MX9307328A MX9307328A (es) 1992-11-23 1993-11-23 Metodo para la fabricacion de lentes de contacto de vision torica simple, bifocales esfericos o asfericos, multifocales o progresivos y los lentes de contacto asi producidos.

Country Status (10)

Country Link
US (2) US5406341A (es)
EP (1) EP0678198B1 (es)
AT (1) ATE258318T1 (es)
AU (1) AU5617394A (es)
CA (1) CA2149873C (es)
DE (1) DE69333398T2 (es)
IL (1) IL107716A (es)
MX (1) MX9307328A (es)
TW (1) TW232055B (es)
WO (1) WO1994012909A1 (es)

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US5689324A (en) * 1992-08-18 1997-11-18 Q2100, Inc. Progressive lens
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US5715031A (en) * 1995-05-04 1998-02-03 Johnson & Johnson Vision Products, Inc. Concentric aspheric multifocal lens designs
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IL118065A0 (en) * 1995-05-04 1996-08-04 Johnson & Johnson Vision Prod Aspheric toric lens designs
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US5864379A (en) * 1996-09-27 1999-01-26 Dunn; Stephen A. Contact lens and process for fitting
US6022498A (en) 1996-04-19 2000-02-08 Q2100, Inc. Methods for eyeglass lens curing using ultraviolet light
US6280171B1 (en) 1996-06-14 2001-08-28 Q2100, Inc. El apparatus for eyeglass lens curing using ultraviolet light
US5793465A (en) * 1996-10-08 1998-08-11 Innotech, Inc. Toric surfacecasting
DE19726918A1 (de) * 1997-06-25 1999-01-07 Woehlk Contact Linsen Gmbh Multifokale Kontaktlinse
US5980040A (en) * 1997-06-30 1999-11-09 Wesley Jessen Corporation Pinhole lens and contact lens
US5936704A (en) 1997-12-22 1999-08-10 Gabrielian; Grant Marked contact lens bearing optical marking element
IL136887A0 (en) * 1997-12-29 2001-06-14 Novartis Ag Holographic ophthalmic lens
US6139147A (en) * 1998-11-20 2000-10-31 Novartis Ag Actively controllable multifocal lens
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US5997140A (en) * 1997-12-29 1999-12-07 Novartis Ag Actively controllable multifocal lens
DE69906494T2 (de) 1998-01-16 2003-10-30 Bausch & Lomb Verfahren und vorrichtung zum ausrichten der torischen achse
US6203156B1 (en) 1998-03-31 2001-03-20 Johnson & Johnson Vision Care, Inc. Contact lenses bearing marks
US6024448A (en) * 1998-03-31 2000-02-15 Johnson & Johnson Vision Products, Inc. Contact lenses bearing identifying marks
JPH11295669A (ja) * 1998-04-08 1999-10-29 Menicon Co Ltd トライアルレンズ
US6936197B1 (en) 1998-07-24 2005-08-30 Duane L. Wires Method and compositions for manufacturing coated photochromatic articles
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AUPQ468399A0 (en) * 1999-12-16 2000-01-20 Iolco Pty Ltd A contact lens
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Also Published As

Publication number Publication date
AU5617394A (en) 1994-06-22
EP0678198B1 (en) 2004-01-21
CA2149873C (en) 1999-05-25
DE69333398D1 (de) 2004-02-26
ATE258318T1 (de) 2004-02-15
DE69333398T2 (de) 2004-12-09
EP0678198A4 (en) 1997-03-05
US5598234A (en) 1997-01-28
IL107716A (en) 1996-06-18
EP0678198A1 (en) 1995-10-25
US5406341A (en) 1995-04-11
TW232055B (es) 1994-10-11
WO1994012909A1 (en) 1994-06-09
CA2149873A1 (en) 1994-06-09
IL107716A0 (en) 1994-02-27

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Legal Events

Date Code Title Description
FG Grant or registration
MM Annulment or lapse due to non-payment of fees