Methods and apparatus for measuring and mapping opthalmic elements
US5855074A · kind A · utility
43Cited by
9References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 4, 1998 |
| Grant date | Jan 5, 1999 |
| Priority date | — |
| Expiry date | Feb 4, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01M11/0264
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
This invention discloses an apparatus for providing optical information regarding spectacles in which are mounted first and second lenses, the apparatus includes a spectacles mapper operative to compute a map, within a single coordinate system, of at least one optical characteristic over both of the two lenses, and a spectacles analyzer operative to provide an output indication of optical information related to the map. PA1 A method for providing optical information regarding spectacles is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.