Device and method for measuring subjective refraction
US9955864B2 · kind B2 · utility
2Cited by
3References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 15, 2014 |
| Grant date | May 1, 2018 |
| Priority date | — |
| Expiry date | Dec 15, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B3/14
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The invention relates to a device for measuring the subjective refraction of a person in near and/or medium vision, which comprises, according to the invention, for each eye of the person, a correction mounting (3) provided with at least one corrective lens, the correction mountings (3) being arranged such that the person looks through the lenses. The position of each correction mounting (3) is variable such as to adjust an angle (a) between the axes of the lenses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.