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AR026115A1 - MULTIFOCAL LENS WITH OPTICAL POWER OF FRONT SURFACE - Google Patents

MULTIFOCAL LENS WITH OPTICAL POWER OF FRONT SURFACE

Info

Publication number
AR026115A1
AR026115A1 ARP000101460A AR026115A1 AR 026115 A1 AR026115 A1 AR 026115A1 AR P000101460 A ARP000101460 A AR P000101460A AR 026115 A1 AR026115 A1 AR 026115A1
Authority
AR
Argentina
Prior art keywords
lens
power
front surface
type
rear surface
Prior art date
Application number
Other languages
Spanish (es)
Original Assignee
Johnson & Johnson Vision Care
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 Johnson & Johnson Vision Care filed Critical Johnson & Johnson Vision Care
Publication of AR026115A1 publication Critical patent/AR026115A1/en

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
    • G02C7/041—Contact lenses for the eyes bifocal; multifocal
    • G02C7/044—Annular configuration, e.g. pupil tuned
    • 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
    • G02C7/042—Simultaneous type

Landscapes

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Eyeglasses (AREA)
  • Prostheses (AREA)

Abstract

El presente invento provee una lente de contacto o intraocular en la cual la potencia optica está dividida entre la sueprficie frontal de la lente y lasuperficie posterior de la lente. La division entre la superficie frontal y la superficie posterior puede variar a través de un amplio espectro, en el rangodesde casi toda potencia de superficie frontal hasta casi toda potencia de superficie posterior, y todos los puntos en el intermedio, dependiendo de losrequerimientos de lente particulares. La lente puede ser del tipo que equilibra la distribucion de correcciones de vision focal de cerca, intermedia y de lejosal tipo de actividad humana típicamente sufrida en diversas condiciones de iluminacion. La lente también puede ser del tipo que equ ilibra las dimensionesparticulares de una lente de contacto para adecuarse al tamano de la pupila del usuario como una funcion de la intensidad de iluminacion. La lenteoftalmologica puede ser del tipo disenada para proveer predominantemente correccio n de lejos bajo alta iluminacion, correccion de lejos y de cerca divididasprácticamente parejas bajo condiciones de iluminacion moderada, y proveer correccion de vision intermedia bajo niveles de iluminacion moderados. La lentetambién puede ser del t ipo disenado para equilibrar el tamano de pupila del usuario como una funcion de nivel de iluminacion, y en realizaciones preferidas,aplicando también parámetros de tamano como una funcion de la edad del usuario. El diseno de lente de acuerdo con el presente invento es tal que la potencia deaumento fronta a y la potencia de aumento posterior b se combinan acumulativamente, a + b, para proveer el 100% de la potencia opticarequerida. Para alcanzar esta division de potencia frontal y potencia poste rior, se forma sustancialmente el mismo patron concéntrico tanto sobre la superficiefrontal como sobre la superficie posterior de la lente. El porcentaje de potencia de aumento de cerca formada sobre la superficie frontal versus la formadasobre la su perfice posterior se deja variar entre casi 0% y casi 100% siendo sustancialmente toda potencia posterior y casi 100% siendo sustancialmente todaThe present invention provides a contact or intraocular lens in which the optical power is divided between the front surface of the lens and the rear surface of the lens. The division between the front surface and the rear surface can vary across a wide spectrum, in the range from almost all front surface power to almost all rear surface power, and all points in between, depending on the particular lens requirements . The lens can be of the type that balances the distribution of near, intermediate and far vision focal corrections to the type of human activity typically suffered in various lighting conditions. The lens can also be of the type that equals the particular dimensions of a contact lens to suit the size of the user's pupil as a function of the intensity of illumination. The ophthalmological lens can be of the type designed to provide predominantly distance correction under high illumination, distance correction and near division practically divided under moderate lighting conditions, and to provide intermediate vision correction under moderate lighting levels. The lens can also be of the type designed to balance the user's pupil size as a function of illumination level, and in preferred embodiments, also applying size parameters as a function of the user's age. The lens design according to the present invention is such that the front increase power a and the subsequent magnification power b are combined cumulatively, a + b, to provide 100% of the required optical power. To achieve this division of frontal power and posterior power, substantially the same concentric pattern is formed both on the front surface and on the rear surface of the lens. The percentage of near-rising power formed on the front surface versus that formed on its posterior profile is allowed to vary between almost 0% and almost 100% being substantially all subsequent power and almost 100% being substantially all

ARP000101460 1999-04-02 2000-03-31 MULTIFOCAL LENS WITH OPTICAL POWER OF FRONT SURFACE AR026115A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US28543199A 1999-04-02 1999-04-02

Publications (1)

Publication Number Publication Date
AR026115A1 true AR026115A1 (en) 2003-01-29

Family

ID=23094204

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP000101460 AR026115A1 (en) 1999-04-02 2000-03-31 MULTIFOCAL LENS WITH OPTICAL POWER OF FRONT SURFACE

Country Status (3)

Country Link
AR (1) AR026115A1 (en)
AU (1) AU4329500A (en)
WO (1) WO2000060403A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2667848A1 (en) 2011-01-28 2013-12-04 Koninklijke Philips N.V. Carriers for the local release of hydrophilic prodrugs

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ282423B6 (en) * 1992-01-28 1997-07-16 Johnson & Johnson Vision Products, Inc. Multifocal refraction lens and process for producing mould for moulding thereof
US5448312A (en) * 1992-12-09 1995-09-05 Johnson & Johnson Vision Products, Inc. Pupil-tuned multifocal ophthalmic lens
AU7955794A (en) * 1994-09-16 1996-03-29 Permeable Technologies Inc. Multifocal contact lens and method for preparing
US5682223A (en) * 1995-05-04 1997-10-28 Johnson & Johnson Vision Products, Inc. Multifocal lens designs with intermediate optical powers
IL118065A0 (en) * 1995-05-04 1996-08-04 Johnson & Johnson Vision Prod Aspheric toric lens designs
US5835187A (en) * 1996-11-22 1998-11-10 Wilmington Partners L.P. Aspheric multifocal contact lens having concentric front surface

Also Published As

Publication number Publication date
AU4329500A (en) 2000-10-23
WO2000060403A1 (en) 2000-10-12

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