Systems and methods for measuring tear film osmolarity
US7129717B2 · kind B2 · utility
12Cited by
8References
76Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 19, 2003 |
| Grant date | Oct 31, 2006 |
| Priority date | — |
| Expiry date | Apr 22, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B3/101
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An osmolarity measuring system is configured to receive a contact lens in a measurement chamber. The measurement chamber includes a volume of fluid, and a series of electrodes are configured to measure the electrical properties of the fluid. A processing device correlates the measured electrical properties with an osmolarity measurement. Further, the processing device is configured to track trends in stored osmolarity measurements and alert the user to take an action, including the cessation or alteration of product use.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.