In-situ tear sample collection and testing using a contact lens
US9320460B2 · kind B2 · utility
12Cited by
107References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 18, 2013 |
| Grant date | Apr 26, 2016 |
| Priority date | — |
| Expiry date | Sep 18, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B2010/0067
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Apparatus, systems and methods employing contact lenses having one or more sensor that sense an analyte in tear fluid and one or more recesses that collect the tear fluid. In some aspects, a contact lens includes a substrate that forms at least part of a body of the contact lens and a recess formed within the substrate configured to collect tear fluid when the contact lens is worn. The contact lens further includes at least one sensor disposed within the substrate configured to sense presence of an analyte in the collected tear fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.