Liquid diagnostic contact lens
US7478910B1 · kind B1 · utility
Inventor
Key dates
| Filing date | Dec 20, 2007 |
| Grant date | Jan 20, 2009 |
| Priority date | — |
| Expiry date | Dec 20, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/6821
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A liquid diagnostic contact lens includes a main body having a concave lens, and a supporting element disposed at a bottom of the main body. A heavy fluid is placed on a top surface of the concave lens. A transparent plate is sealed over the top surface of the concave lens so as to define an encapsulating room and encapsulate the heavy fluid therein. In operation, an ophthalmologist places the supporting element onto the eye, and examines various interior spots of the eye by adaptively adjusting the eye. The liquid diagnostic contact lens is tilted along with the eye and the top surface of the heavy fluid is kept horizontal so the heavy fluid is formed as prisms of different diopters. Thus, the liquid diagnostic contact lens can examine various spots of the interior of the eye.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.