CA2204692A1 - Neural network analysis for multifocal contact lens design - Google Patents

Neural network analysis for multifocal contact lens design

Info

Publication number
CA2204692A1
CA2204692A1 CA002204692A CA2204692A CA2204692A1 CA 2204692 A1 CA2204692 A1 CA 2204692A1 CA 002204692 A CA002204692 A CA 002204692A CA 2204692 A CA2204692 A CA 2204692A CA 2204692 A1 CA2204692 A1 CA 2204692A1
Authority
CA
Canada
Prior art keywords
neural network
network analysis
contact lens
lens design
multifocal contact
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.)
Granted
Application number
CA002204692A
Other languages
French (fr)
Other versions
CA2204692C (en
Inventor
Jeffrey H. Roffman
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.)
Johnson and Johnson Vision Care Inc
Original Assignee
Johnson and Johnson Vision Products 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 Johnson and Johnson Vision Products Inc filed Critical Johnson and Johnson Vision Products Inc
Publication of CA2204692A1 publication Critical patent/CA2204692A1/en
Application granted granted Critical
Publication of CA2204692C publication Critical patent/CA2204692C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G02C7/041—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
    • G02C7/024—Methods of designing ophthalmic lenses
    • G02C7/028—Special mathematical design techniques
    • 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

Abstract

The present invention discloses a method for optimizing multifocal lens designs using neural network analysis. More specifically, a neural network is trained using data collected in clinical evaluations of various multifocal lens designs. The trained neural network is then used to predict optimal lens designs for large populations of patients.
CA002204692A 1996-05-09 1997-05-07 Neural network analysis for multifocal contact lens design Expired - Fee Related CA2204692C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/647,005 1996-05-09
US08/647,005 US5724258A (en) 1996-05-09 1996-05-09 Neural network analysis for multifocal contact lens design

Publications (2)

Publication Number Publication Date
CA2204692A1 true CA2204692A1 (en) 1997-11-09
CA2204692C CA2204692C (en) 2009-08-04

Family

ID=24595329

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002204692A Expired - Fee Related CA2204692C (en) 1996-05-09 1997-05-07 Neural network analysis for multifocal contact lens design

Country Status (8)

Country Link
US (1) US5724258A (en)
EP (1) EP0806694B1 (en)
JP (1) JP4018193B2 (en)
AT (1) ATE227854T1 (en)
AU (1) AU712104B2 (en)
CA (1) CA2204692C (en)
DE (1) DE69716994T2 (en)
SG (1) SG80571A1 (en)

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Also Published As

Publication number Publication date
EP0806694A3 (en) 1999-02-24
AU712104B2 (en) 1999-10-28
EP0806694B1 (en) 2002-11-13
ATE227854T1 (en) 2002-11-15
CA2204692C (en) 2009-08-04
JPH1068913A (en) 1998-03-10
MX9703455A (en) 1998-06-28
JP4018193B2 (en) 2007-12-05
EP0806694A2 (en) 1997-11-12
SG80571A1 (en) 2001-05-22
US5724258A (en) 1998-03-03
AU2006297A (en) 1997-11-27
DE69716994T2 (en) 2003-07-03
DE69716994D1 (en) 2002-12-19

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Effective date: 20170510