Systems and methods for testing and analysis of visual acuity and its changes
US10758120B2 · kind B2 · utility
2Cited by
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19Claims
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Key dates
| Filing date | Jun 22, 2018 |
| Grant date | Sep 1, 2020 |
| Priority date | — |
| Expiry date | Feb 21, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B3/022
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Disclosed herein are system and method for testing and analysis of visual acuity and changes using an acuity model, the acuity model generated based on one or more acuity chart design parameters and candidate acuity parameters calculated using the acuity test data of the subject, the acuity model comprising a chart-specific psychometric function determined using a family of multiple-optotype psychometric functions, and wherein the acuity model is configurable to estimate possibility of obtaining the acuity test data of the subject.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.