Method for checking the correct assembly of a frame and corrective lenses
US10234700B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 3, 2014 |
| Grant date | Mar 19, 2019 |
| Priority date | — |
| Expiry date | Dec 3, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B3/111
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The invention relates to a method for checking the correct assembly of a device consisting of a frame and of two corrective ophthalmic lenses. The main feature of a method according to the invention is that it includes the following steps: an initial step of determining at least one parameter which makes it possible to position the lenses in the frame relative to the face; a subsequent step of acquiring at least one image of the face of said wearer with said device, which shows centering and horizontal level marks; a step of comparing said at least one parameter determined during said initial step with the corresponding parameter deduced from said at least one image; and a step of making a decision regarding the correct assembly of the device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.