WO2023248136 - DIFFRACTIVE MULTIFOCAL OPHTHALMIC LENS WITH CHROMATIC ABERRATION CORRECTION
National phase entry:
Publication Number
WO/2023/248136
Publication Date
28.12.2023
International Application No.
PCT/IB2023/056385
International Filing Date
20.06.2023
Title **
[English]
DIFFRACTIVE MULTIFOCAL OPHTHALMIC LENS WITH CHROMATIC ABERRATION CORRECTION
[French]
LENTILLE OPHTALMIQUE MULTIFOCALE DIFFRACTIVE AVEC CORRECTION D'ABERRATION CHROMATIQUE
Applicants **
ALCON INC.
Inventors
CHOI, Myoung-Taek
AKCAY, Avni Ceyhun
Priority Data
63/366,663
20.06.2022
US
Application details
| Total Number of Claims/PCT | * |
| Number of Independent Claims | * |
| Number of Priorities | * |
| Number of Multi-Dependent Claims | * |
| Number of Drawings | * |
| Pages for Publication | * |
| Number of Pages with Drawings | * |
| Pages of Specification | * |
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| Number of Office Actions | * |
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International Searching Authority |
EPO
* |
| Recordal of a Change of the Applicant's Name/Address |
Change of Applicant's Name and Address
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| Type of Assignment |
The Standard Agent's Assignment
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| Applicant's Legal Status |
Legal Entity
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| * | |
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| Entry into National Phase under |
Chapter I
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| Patent Delivery |
Send the Letters Patent by Courier
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| 译文 |
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Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing, Examination, Granting | 2222 | |
| EPO | Filing, Examination, Granting | 10741 | |
| Japan | Filing, Examination, Granting | 2309 | |
| South Korea | Filing, Examination, Granting | 2385 | |
| USA | Filing, Examination, Granting | 8940 |
Total:
26,597
The term for entry into the National Phase has expired. This quotation is for informational purposes only
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Abstract[English]
Certain embodiments provide an intraocular lens (IOL) (200) including a lens body (202) having an anterior surface (202A) and a posterior surface (202P), and a diffractive structure (208) having a plurality of echelettes (210) formed on at least one of the anterior surface or the posterior surface. A surface profile of the diffractive structure includes a base surface profile configured to diffract an incident light in one or more diffraction orders, and an achromatizing surface profile including increased step heights in the plurality of echelettes in relation to the base surface profile, and phase offsets between adjacent echelettes of the plurality of echelettes.[French]
Certains modes de réalisation concernent une lentille intraoculaire (IOL) comprenant un corps de lentille ayant une surface antérieure et une surface postérieure, et une structure de diffraction ayant une pluralité d'échelettes formées sur la surface antérieure et/ou la surface postérieure. Un profil de surface de la structure de diffraction comprend un profil de surface de base configuré pour diffracter une lumière incidente dans un ou plusieurs ordres de diffraction, et un profil de surface d'achromatisation comprenant des hauteurs de pas accrues dans la pluralité d'échelettes par rapport au profil de surface de base, et des décalages de phase entre des échelettes adjacentes de la pluralité d'échelettes.