Methods and systems for diagnosing and treating higher order refractive aberrations of an eye

• US 10,371,945 B2
• Filed: 09/19/2016
• Issued: 08/06/2019
• Est. Priority Date: 03/16/2015
• Status: Active Grant

• Current Assignee: Magic Leap, Inc.
• Original Assignee: Magic Leap, Inc.
• Inventors: Samec, Nicole Elizabeth, Macnamara, John Graham, Harrises, Christopher M., Schowengerdt, Brian T., Abovitz, Rony, Baerenrodt, Mark
• Primary Examiner(s): Tseng, Charles
• Application Number:
  US15/269,374
• Publication Number:
  US 20170000334A1
• Time in Patent Office: 1,051 Days
• CPC Class Codes: A61B 2562/0204 Acoustic sensors
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• CPC Class Codes: A61B 3/0025 characterised by electronic signal processing, e.g. eye models
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• CPC Class Codes: A61B 3/0285 Phoropters
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• CPC Class Codes: A61M 2205/3375 : Acoustical, e.g. ultrasonic, measuring means
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• CPC Class Codes: G02B 2027/0138 : comprising image capture systems, e.g. camera
• CPC Class Codes: G02B 2027/014 : comprising information/image processing systems
• CPC Class Codes: G02B 2027/0185 : Displaying image at variable distance
• CPC Class Codes: G02B 21/0032 : Optical details of illumination, e.g. light-sources, pinholes, beam splitters, slits, fibers G02B21/0036 - G02B21/008; means for illumination of specimens in general G02B21/06
• CPC Class Codes: G02B 27/0093 : with means for monitoring data relating to the user, e.g. head-tracking, eye-tracking
• CPC Class Codes: G02B 27/0172 : characterised by optical features
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• CPC Class Codes: G16H 50/20 : for computer-aided diagnosis, e.g. based on medical expert systems

Abstract

Configurations are disclosed for a health system to be used in various healthcare applications, e.g., for patient diagnostics, monitoring, and/or therapy. The health system may comprise a light generation module to transmit light or an image to a user, one or more sensors to detect a physiological parameter of the user'"'"'s body, including their eyes, and processing circuitry to analyze an input received in response to the presented images to determine one or more health conditions or defects.

Claims

1. A wearable augmented reality device, the device comprising:

at least one light source;

and wearable optics configured to;

pass light from the world into an eye of a person wearing the head-mounted system; and

output light from the at least one light source for propagation into the eye of the person to form an image in the eye, the at least one light source and wearable optics configured to provide refractive correction for higher order refractive errors;

wherein the wearable optics comprise a waveguide stack comprising a plurality of waveguides, wherein the waveguide stack is configured to output the light from the at least one light source for propagation into the eye with wavefront divergence corresponding to different depth planes.

2. The device of claim 1, wherein the at least one light source comprises a scanning fiber configured to output the light from the at least one light source into the waveguide stack, wherein the at least one light source and the wearable optics form a fiber scanning display.

3. The device of claim 1, further comprising user interface controls configured to receive an input specifying the person'"'"'s optical prescription.

4. The device of claim 1, wherein the wearable optics comprises adaptive optics configured to be adjusted to implement the refractive correction.

5. The device of claim 4, wherein the adaptive optics comprises a variable focus element.

6. The device of claim 4, wherein the adaptive optics comprises a deformable optical element.

7. The device of claim 6, wherein the deformable optical element comprises a deformable mirror.

8. The device of claim 1, wherein the waveguide stack is configured to provide different image content at the different depth planes, wherein providing the different image content at the different depth planes comprises providing the different image content through different waveguides of the waveguide stack thereby providing different optical power to the different image content.

9. The device of claim 8, wherein the different image content propagates through a different number of waveguides thereby providing the different optical power to the different image content.

10. The device of claim 8, wherein the plurality of waveguides include static optical elements having optical power.

11. The device of claim 1, wherein the wearable optics comprises at least one waveguide including a dynamic optical element having variable optical power.

12. The device of claim 1, further comprising processing electronics configured to be accessed to provide the refractive correction.

13. The device of claim 1, wherein the wearable optics are configured to apply the refractive correction to the light from the at least one light source.