Methods and apparatus for small aperture lensometer

US10330566B2 · kind B2 · utility

Assignee

• EYENETRA, INC. · US

Inventors

• Matthias Hofmann · Schweinfurt, DE
• Vitor Pamplona · Somerville, US
• Nathaniel S. Sharpe · Canton, US
• Monica Mitiko Soares Matsumoto · Somerville, US
• Guilherme de Moraes Uzejka · Boston, US
• Meng Yang · Leominster, US

Key dates

• Filing date: Mar 4, 2016
• Grant date: Jun 25, 2019
• Expiry date: Mar 4, 2036

Classification

• Technology area (CPC G): Physics
• CPC primary: G01M11/0264
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

In illustrative implementations of this invention, a lensometer includes a small aperture camera for capturing an image of light that travels from a display surface, through a subject lens and to the camera. One or more computers are programmed to perform calculations that take the image as an input and that compute, for each respective region in a set of regions of the subject lens, a refractive attribute of the respective region.