Retinoscopy paddle with integrated axis compass or adapter, and associated method
US10478061B2 · kind B2 · utility
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3References
20Claims
0Family size
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Key dates
| Filing date | May 14, 2018 |
| Grant date | Nov 19, 2019 |
| Priority date | — |
| Expiry date | Jul 31, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B3/1035
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An improved retinoscopy paddle with lens received through openings extending through the paddle member has an axis compass with indicia for assessing the range of refraction error and axis of astigmatism in the eyes of a patient as part of an optical examination. The axis compass may be formed on the paddle member or on a receptacle member adapted for operative receipt on as associated retinoscopy paddle. A method is provided for integrating a retinoscopy paddle and axis compass.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.