Vision-testing method and device thereof
US12408832B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Jul 30, 2020 |
| Grant date | Sep 9, 2025 |
| Priority date | — |
| Expiry date | Nov 12, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B3/005
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The invention provides a vision-testing method and vision-testing device. The vision-testing method is applied to the vision-testing device. The vision-testing device includes a light-transmitting apparatus, a plurality of vision test marks arranged on one side of the light-transmitting apparatus, and a plurality of light-emitting units arranged on another side of the light-transmitting apparatus for providing the vision test marks with a light source. The vision-testing method comprises the steps of obtaining a vision test command, controlling one of the light-emitting units to emit light according to the vision test command so as to highlight the corresponding vision test mark, obtaining user-response information and outputting a vision test result according to the user-response information and the highlighted vision test mark. The vision-testing method provided by the invention can achieve the vision test without a professional guidance, and the user can obtain real-time vision test information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.