CA2568061C - Attenuation de la presbytie - Google Patents

Attenuation de la presbytie Download PDF

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Publication number
CA2568061C
CA2568061C CA002568061A CA2568061A CA2568061C CA 2568061 C CA2568061 C CA 2568061C CA 002568061 A CA002568061 A CA 002568061A CA 2568061 A CA2568061 A CA 2568061A CA 2568061 C CA2568061 C CA 2568061C
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CA
Canada
Prior art keywords
correction
vision
aberration
lens
patient
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 - Fee Related
Application number
CA002568061A
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English (en)
Other versions
CA2568061A1 (fr
Inventor
Ian A. Cox
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.)
Bausch and Lomb Inc
Original Assignee
Bausch and Lomb 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 Bausch and Lomb Inc filed Critical Bausch and Lomb Inc
Priority to CA2671950A priority Critical patent/CA2671950C/fr
Priority claimed from CA002468289A external-priority patent/CA2468289C/fr
Publication of CA2568061A1 publication Critical patent/CA2568061A1/fr
Application granted granted Critical
Publication of CA2568061C publication Critical patent/CA2568061C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

Une méthode permettant de concevoir une lentille de contact ou un autre dispositif destiné à corriger la presbytie d'un patient, fait appel à la mesure du front d'onde déformé pour assurer la meilleure correction. De préférence, la correction est assurée par une lentille de contact à vision alternée (par translation) multifocale ou une lentille correctrice à vision simultanée. Une méthode permettant de corriger et d'améliorer la vue consiste à corriger les aberrations d'ordre supérieur de façon à ce que la quantité résiduelle d'aberrations à symétrie de rotation d'ordre supérieur soit supérieure à la quantité résiduelle d'aberrations à asymétrie de rotation d'ordre supérieur après correction. Selon l'invention, l'une des méthodes vise à corriger les aberrations asymétriques d'ordre supérieur induites par le décentrement d'une lentille de contact multifocale présentant une aberration sphérique résiduelle. La méthode assure une meilleure profondeur de champ.
CA002568061A 2001-10-19 2002-10-18 Attenuation de la presbytie Expired - Fee Related CA2568061C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2671950A CA2671950C (fr) 2001-10-19 2002-10-18 Attenuation de la presbytie

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US34819201P 2001-10-19 2001-10-19
US60/348,192 2001-10-19
CA002468289A CA2468289C (fr) 2001-10-19 2002-10-18 Attenuation de la presbytie

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002468289A Division CA2468289C (fr) 2001-10-19 2002-10-18 Attenuation de la presbytie

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA2671950A Division CA2671950C (fr) 2001-10-19 2002-10-18 Attenuation de la presbytie

Publications (2)

Publication Number Publication Date
CA2568061A1 CA2568061A1 (fr) 2003-04-24
CA2568061C true CA2568061C (fr) 2009-10-13

Family

ID=37592097

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002568061A Expired - Fee Related CA2568061C (fr) 2001-10-19 2002-10-18 Attenuation de la presbytie

Country Status (1)

Country Link
CA (1) CA2568061C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012127538A1 (fr) * 2011-03-24 2012-09-27 株式会社メニコン Lentille de contact et procédé de fabrication pour celle-ci

Also Published As

Publication number Publication date
CA2568061A1 (fr) 2003-04-24

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Effective date: 20191018

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