Configurations are disclosed for a health system to be used in various healthcare
applications, eg, for patient diagnostics, monitoring, and/or therapy. The health system may …

Examples of eye-imaging apparatus using diffractive optical elements are provided. For
example, an optical device comprises a substrate having a proximal surface and a distal …

A head mounted display system can include a camera, at least one waveguide, at least one
coupling optical element that is configured such that light is coupled into said waveguide …

An optical device includes a stack of multiple grating structures, each of which includes a
plurality of sublayers of liquid crystal material. Each sublayer of liquid crystal mate rial …

(57) ABSTRACT A wearable augmented reality head-mounted display system can be
configured to pass light from the world forward a wearer wearing the head-mounted system …

Architectures are provided for selectively outputting light for forming images, the light having
different wavelengths and being outputted with low levels of crosstalk. In some …

The present disclosure relates to display systems and, more particularly, to augmented
reality display systems. A diffrac tion grating includes a plurality of different diffracting zones …

An optical device includes a liquid crystal layer having a first plurality of liquid crystal
molecules arranged in a first pattern and a second plurality of liquid crystal molecules …

A two-dimensional waveguide light multiplexer is described herein that can efficiently
multiplex and distribute a light signal in two dimensions. An example of a two-dimensional …

Architectures are provided for selectively incoupling one or more streams of light from a
multiplexed light stream into a waveguide. The multiplexed light stream can have light with …