Apparatus and method for ascertaining a type of spectacle lens and apparatus and method for determining a refractive power distribution of a progressive spectacle lens
US10088691B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jan 20, 2015 |
| Grant date | Oct 2, 2018 |
| Priority date | — |
| Expiry date | Nov 17, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06Q30/0633
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An apparatus is for ascertaining and outputting a type of spectacle lens suitable for a spectacle wearer with a visual characteristics providing device, for providing visual characteristics of the spectacle wearer, a needs providing device, for providing individual needs of the spectacle wearer, a spectacle lens type providing device, for providing a plurality of types of spectacle lenses having predetermined characteristics, a desired characteristics ascertaining device, for ascertaining desired characteristics of a type of spectacle lens using the provided visual characteristics and the provided individual needs of the spectacle wearer, an assigning device, for assigning at least one type of spectacle lens from among the plurality of types of spectacle lenses to the desired characteristics, on the basis of predetermined assignment rules, and a spectacle lens type outputting device, for outputting the at least one assigned type of spectacle lens. A method is for ascertaining and outputting a type of spectacle lens suitable for a spectacle wearer and also a computer program is for carrying out the method.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.