Invention Grant
- Patent Title: Prediction of visual acuity from wavefront aberrations
- Patent Title (中): 从波前像差预测视力
-
Application No.: US12428441Application Date: 2009-04-22
-
Publication No.: US08408707B1Publication Date: 2013-04-02
- Inventor: Andrew B. Watson , Albert J. Ahumada
- Applicant: Andrew B. Watson , Albert J. Ahumada
- Applicant Address: US DC Washington
- Assignee: The United States of America as Represented by the Administrator of the National Aeronautics and Space Administration (NASA)
- Current Assignee: The United States of America as Represented by the Administrator of the National Aeronautics and Space Administration (NASA)
- Current Assignee Address: US DC Washington
- Agent John F. Schipper; Robert M. Padilla; Christopher J. Menke
- Main IPC: A61B3/00
- IPC: A61B3/00 ; A61B3/02
Abstract:
A method for generating a visual acuity metric, based on wavefront aberrations (WFAs), associated with a test subject and representing classes of imperfections, such as defocus, astigmatism, coma and spherical aberrations, of the subject's visual system. The metric allows choices of different image template, can predict acuity for different target probabilities, can incorporate different and possibly subject-specific neural transfer functions, can predict acuity for different subject templates, and incorporates a model of the optotype identification task.
Information query
