Abstract: An extended reality (XR) system is described herein. The XR system includes a display system mounted to the headset for displaying a display screen including computer-generated images thereon, and a controller that includes one or more processors programmed to execute an algorithm for operating in an optical character recognition (OCR) mode to display a text selection screen by generating an image distortion zone within the text selection screen associated with a non-viewable boundary and modifying received video images to adjust a viewable image attribute of a portion of the received video images displayed within the image distortion zone, and operating in the scrolling text mode to display a text display screen by generating machine-readable text OCR and modifying the generating machine-readable text using a lightweight language model for text correction.

Abstract: An apparatus for obtaining an image of a retina is described herein. The apparatus includes an optical relay that defines an optical path and is configured to relay an image of the iris along the optical path to a pupil, a shutter is disposed at the pupil and configured to define at least a first shutter aperture for control of light transmission through the pupil position, a tube lens disposed to direct light from the shutter aperture to an image sensor, and a prismatic input port disposed between the shutter and the tube lens and configured to combine, onto the optical path, light from the relay with light conveyed along a second light path that is orthogonal to the optical path.

Abstract: A mixed reality display headset is provided. The mixed reality display headset includes a display controller configured to receive and to store a retinal map including a boundary indicating an area to be modified within the patient's vision, to receive an image from a camera, to generate an image distortion map including shifting image data located within the boundary outwardly along a plurality of rays starting at an estimated center point of the area to be modified within the patient's vision to outside the boundary such that the image data from the center point to an edge of the image is compressed from the boundary to the edge of the image, to modulate the image based on the image distortion map to produce an intentionally distorted image, and projecting the intentionally distorted image onto the user's retina in the user's usable field of vision.

Abstract: A laparoscopic imaging apparatus is described herein. The laparoscopic imaging apparatus includes a shaft having a proximal end opposite a distal end, wherein the proximal end is configured for attachment to an actuator, and the distal end is configured for attachment of a laparoscopic tool and for insertion into patient anatomy. The laparoscopic tool pivots on a first gimbal apparatus that is actuable from the actuator at the proximal end of the shaft, to rotate the laparoscopic tool about a longitudinal axis of the shaft and, further, to rotate the laparoscopic tool about at least a second axis that is orthogonal to the longitudinal axis.

Abstract: A method of at-home monitoring of eye conditions using a head mounted display that is capable of establishing a visual model associated with a patient. The visual model may include data related to a quality of the patient's vision. The patient may use the system to establish a visual model periodically, such as daily, and the system may compare the visual model to previous visual models and send an alert to the patient's physician if changes meeting a given criteria are detected. This may allow the physician to immediately take steps to save the patient's eyesight where a delay in treatment may result in vision loss.

Abstract: A compact augmented reality (AR) display system is described herein. The AR display system includes an eyeglass frame and a pair of near-eye pupil forming catadioptric optical engines mounted to the eyeglass frame. The pair of near-eye pupil forming catadioptric optical engines are mounted to the eyeglass frame and spaced along the longitudinal axis. Each of the near-eye pupil forming catadioptric optical engines includes an image generator forming a 2D image, an optical imaging assembly, and an optical image relay assembly, which includes the image generator and the lenses or other optics to present the image correctly to the user. The pair of near-eye pupil forming catadioptric optical engines enable viewing the 2D image binocularly in 3D.

Abstract: An apparatus for obtaining an image of a cornea is described herein. The apparatus includes a stereomicroscope configured to obtain and display 2D or 3D image content of an eye of a patient, with pupil imaging optics that form a pupil along an optical axis and a shutter configured to form a pattern of one or more apertures for light at the formed pupil, and an input prism is configured to direct light to or from the optical axis, with optics configured to convey light along the optical axis to a sensor.

Abstract: A wearable display apparatus is described herein. The wearable display apparatus includes a headset, a left-eye optical system, a right-eye optical system, and an inter-pupil distance (IPD) adjustment system coupled to the headset, the left-eye optical system, and the right-eye optical system for adjusting an inter-pupil spacing between the left-eye optical system and the right-eye optical system.

Abstract: A system of managing electronic receipts is described herein. The system includes a point-of-sale system, a unique identifier detection mechanism, and a server. The point-of-sale system is configured to register a plurality of goods and/or services, comprising a transaction receipt. The unique identifier detection mechanism detects a first unique identifier and a second unique identifier. The server is in communication with the point-of-sale system and includes a processor configured to register the payment of the transaction receipt as a function of the first unique identifier and a memory device is configured to store a database with a plurality of receipt-data storage locations. In response to the approval the payment, the point-of-sale system forwards the second unique identifier and the transaction receipt to the server and stores the transaction receipt within the receipt-data storage location associated with the second unique identifier.

Abstract: A wearable display apparatus is described herein. The wearable display apparatus includes an image generator that forms a 2D image, a partially transmissive mirror having a curved reflective surface, a beam splitter disposed to reflect light toward the curved mirror surface, and an optical image relay that is configured to conjugate the formed 2D image at the image generator to a curved focal surface of the partially transmissive mirror.

Abstract: Techniques related to vision correction are disclosed. The techniques involve establishing a visual model associated with a patient. The visual model includes data related to a quality of the patient's vision. A boundary is established as a function of the data associated with the visual model. The boundary is indicative of an area to be corrected within the patient's vision. A retinal map is established as a function of the boundary. An image from a camera associated with the patient is captured and corrections are applied to the image based on the retinal map to generate a corrected image. The corrected image is presented to the eye of the patient.

Abstract: A wearable display apparatus is described herein. The wearable display apparatus includes an image generator that forms a 2D image, a partially transmissive mirror having a curved focal surface and a partially transmissive curved reflective surface, a beam splitter, and an optical image relay positioned between the image generator and the beam splitter. The optical image relay includes a right-angle prism, a first plano-aspheric lens, a doublet positioned between the first plano-aspheric lens and the image generator, a meniscus singlet lens positioned between the doublet and the image generator, and a concave-plano field lens.

Abstract: A wearable display apparatus is described herein. The wearable display apparatus includes a headset, a left-eye optical system, a right-eye optical system, and an inter-pupil distance (IPD) adjustment system coupled to the headset, the left-eye optical system, and the right-eye optical system for adjusting an inter-pupil spacing between the left-eye optical system and the right-eye optical system.

Abstract: An apparatus for obtaining an image of a cornea having a stereomicroscope configured to obtain and display 2D or 3D image content of an eye of a patient, with pupil imaging optics that form a pupil along an optical axis and a shutter configured to form a pattern of one or more apertures for light at the formed pupil. An input prism is configured to direct light to or from the optical axis, with optics configured to convey light along the optical axis to a sensor.

Abstract: A compact augmented reality (AR) display system is described herein. The AR display system includes an eyeglass frame and a pair of near-eye pupil forming catadioptric optical engines mounted to the eyeglass frame. The pair of near-eye pupil forming catadioptric optical engines are mounted to the eyeglass frame and spaced along the longitudinal axis. Each of the near-eye pupil forming catadioptric optical engines includes an image generator forming a 2D image, an optical imaging assembly, and an optical image relay assembly, which includes the image generator and the lenses or other optics to present the image correctly to the user. The pair of near-eye pupil forming catadioptric optical engines enable viewing the 2D image binocularly in 3D.

Abstract: A wearable display apparatus is described herein. The wearable display apparatus includes an image generator that forms a 2D image, a partially transmissive mirror having a curved reflective surface, a beam splitter disposed to reflect light toward the curved mirror surface, and an optical image relay that is configured to conjugate the formed 2D image at the image generator to a curved focal surface of the partially transmissive mirror.

Abstract: A system of managing electronic receipts is described herein. The system includes a point-of-sale system, a unique identifier detection mechanism, and a server. The point-of-sale system is configured to register a plurality of goods and/or services, comprising a transaction receipt. The unique identifier detection mechanism detects a first unique identifier and a second unique identifier. The server is in communication with the point-of-sale system and includes a processor configured to register the payment of the transaction receipt as a function of the first unique identifier and a memory device is configured to store a database with a plurality of receipt-data storage locations. In response to the approval the payment, the point-of-sale system forwards the second unique identifier and the transaction receipt to the server and stores the transaction receipt within the receipt-data storage location associated with the second unique identifier.

Abstract: A display has an image generator; a partially transmissive mirror having a curved surface; a beam splitter to reflect incident light toward the curved surface; and an optical image relay that defines a path to relay light to a curved focal surface of a partially transmissive mirror, the curved focal surface is between a curved reflective surface of the partial mirror and the beam splitter. A prism has a folding surface in the optical path for light from the image generator, wherein an aperture stop for the relay lies within the prism. A first plano-aspheric lens, against the prism input surface, guides light from the image generator toward the folding surface; a second plano-aspheric lens, in optical contact against the prism output surface, directs light to the curved focal surface. The relay, curved mirror, and beam splitter form an exit pupil for viewing the scene with a 2D image superimposed.

Abstract: A wearable display apparatus is described herein. The wearable display apparatus includes an image generator that forms a 2D image, a partially transmissive mirror having a curved reflective surface, a beam splitter disposed to reflect light toward the curved mirror surface, and an optical image relay that is configured to conjugate the formed 2D image at the image generator to a curved focal surface of the partially transmissive mirror.

Abstract: A wearable display apparatus is described herein. The wearable display apparatus includes a headset, a left-eye optical system, a right-eye optical system, and an inter-pupil distance (IPD) adjustment system coupled to the headset, the left-eye optical system, and the right-eye optical system for adjusting an inter-pupil spacing between the left-eye optical system and the right-eye optical system.