Method for manufacturing an ophthalmic article
US11254078B2 · kind B2 · utility
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3References
20Claims
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Key dates
| Filing date | Oct 25, 2017 |
| Grant date | Feb 22, 2022 |
| Priority date | — |
| Expiry date | Dec 25, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02C2202/16
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The invention provides a method for manufacturing an ophthalmic article having at least one optical function and at least one predetermined transmission parameter, comprising the steps (102) of surfacing at least a first face of a first body of said article, made from a first material, according to a first geometry determined for providing said predetermined transmission parameters; and surfacing (103) at least a second face of a second body of said article, made from a second material, according to a second geometry determined at least according to said first geometry, for providing said optical.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.