Vision aid for recovering ophthalmic patients
US6106123A · kind A · utility
Inventor
Key dates
| Filing date | Oct 5, 1999 |
| Grant date | Aug 22, 2000 |
| Priority date | — |
| Expiry date | Oct 5, 2019 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B27/04
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A vision aid for recovering ophthalmic patients permits the user to maintain the head in a face down position for proper healing of the eye after certain types of ophthalmic surgery, while enabling the user to enjoy a forward view through the device for making eye contact during conversation, watching television, etc. The device comprises a folding box-like structure having a base or floor panel, back wall, and upper panel or lid hinged to the upper edge of the back wall. An object mirror is secured to the inner or lower surface of the lid, with a viewing mirror being secured to the upper or inner surface of the floor panel. When the lid is raised or opened to the proper position, the view from in front of the device reflects from the object mirror in the lid or top, generally downwardly to the viewing mirror in the floor of the box, where the view may be seen by the user looking through a viewport at the back of the lid. Side walls are provided to block lateral ambient light from the mirrors, with the side walls and other structure also serving to lock the lid at the desired open angle. The bottom of the device may be padded for the user to hold the device comfortably upon the lap…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.