Optometry device
US11382500B2 · kind B2 · utility
0Cited by
9References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 20, 2017 |
| Grant date | Jul 12, 2022 |
| Priority date | — |
| Expiry date | May 27, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B3/0041
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An optometry device for testing an individual's eye (E) comprises an imaging module (10) adapted to produce a first image at a variable distance for the individual's eye (E), a beam splitter (26) arranged to combine the first image and a second image for the individual's eye (E), and a screen (22) facing the beam splitter (26). A mirror (24) is arranged in combination with the screen (22) to produce the second image to be visible by the individual's eye via the beam splitter (26).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.