Method and apparatus for fixation measurement and refraction error measurement using wave-front error
US9675248B2 · kind B2 · utility
2Cited by
5References
16Claims
0Family size
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Key dates
| Filing date | Dec 22, 2015 |
| Grant date | Jun 13, 2017 |
| Priority date | — |
| Expiry date | Dec 22, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B3/0025
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A method and apparatus for fixation measurement includes projecting, by an image projector, a stimulus onto one or more eyes of a patient via a beam splitter, and capturing, by one or more image sensing devices disposed conjugate to the one or more eyes, a reflected image including light reflected from the one or more eyes in response to the stimulus, the reflected image including information indicating the fixation of the one or more eyes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.