Abstract: A lens assembly for systems such as imaging devices. The lens assembly may include at least five lens elements, where one or more of the lens elements includes positive optical power and one or more of the lenses includes negative optical power. The lens assembly may further include an aperture stop located between the lens elements. In some instances, the lens assembly provides a horizontal field of view that is at least 80 degrees while still including a total track length that is less than or equal to 50 millimeters and a diameter that is less than or equal to 13 millimeters. Additionally, in some instances, the lens assembly may cause all rays which impinge the sensor to be less than or equal to approximately 10 degrees.

Abstract: Method of aligning an imaging device with respect to an object, the imaging device comprising two or more optical channels, is disclosed. The method may include aiming the two or more optical channels at corresponding overlapping zones of the object such that the two or more optical channels are oriented at different angles relative to each other and off-axis relative to a central axis of the imaging device. The method may additionally include guiding or focusing the imaging device relative to the object using composite images created by combining separate images from the two or more optical channels.

Abstract: An imaging system may include a panoramic gonioscopic imaging apparatus that includes a disposable component configured to rest against a cornea of a patient, and an objective optical device configured to direct a continuous panoramic image of an entire circumference of an iridocorneal angle of the patient on an intermediate imaging plane, and a relay lens configured to direct the continuous panoramic image from the intermediate imaging plane to a sensor such that the sensor captures the entire circumference of the iridocorneal angle at once. The imaging system may also include a computing device in communication with the panoramic gonioscopic imaging apparatus, where the computing device configured to display an image of the entire circumference of the iridocorneal angle.

Abstract: A device for illuminating a posterior segment of an eye may include multiple channels. Each of the channels may include multiple illumination paths such as a first region illumination path, and a second region illumination path. The first region illumination path and the second region illumination path may be illuminated at different times such that a first region and a second region may be imaged without interference from a non-illuminated illumination path.

Abstract: A method may include illuminating a region of a choroid of an eye of a patient with off-axis illumination from a first imaging channel, the first imaging channel being off-axis with respect to an axis of a focus of the eye. The method may also include capturing an image of the choroid, where the off-axis illumination from the first imaging channel is off-set within the first imaging channel from the image sensor. A second off-axis illumination from a second imaging channel that is off-axis from both the first imaging channel and the off-axis illumination may illuminate the same or a different region of the choroid. The captured image of the choroid may be provided to a machine learning system. Indices associated with the image to may be identified based on an output of the machine learning system.

Abstract: A folding lens system includes: one or more objective lenses for receiving a light path from an object along a first optical path; a beam steering device for redirecting the light path along a second optical path at an angle ? to the first optical path; and two or more focusing lenses disposed in the second optical path for focusing the reflected light path on an image plane, the two or more focusing lenses include a positive-powered lens, and one or more negative-powered lenses disposed between the positive-powered lens and the image plane.

Abstract: An optical imaging device includes a support structure and imaging channels, where each imaging channel includes a discrete optical imaging pathway. The imaging channels may be disposed within the support structure, and the imaging channels may be aimed at different angles relative to each other such that each optical imaging pathway is directed towards a pupil of the eye. Additionally, the optical imaging device may include a primary fixation target configured to emit optical signals along a primary fixation target projection path towards the pupil of the eye. Further, an artifact of the primary fixation target may be generated onto a portion of the eye to be imaged.

Abstract: An imaging system may include a panoramic gonioscopic imaging apparatus that includes a disposable component configured to rest against a cornea of a patient, and an objective optical device configured to direct a continuous panoramic image of an entire circumference of an iridocorneal angle of the patient on an intermediate imaging plane, and a relay lens configured to direct the continuous panoramic image from the intermediate imaging plane to a sensor such that the sensor captures the entire circumference of the iridocorneal angle at once. The imaging system may also include a computing device in communication with the panoramic gonioscopic imaging apparatus, where the computing device configured to display an image of the entire circumference of the iridocorneal angle.

Abstract: method of aligning an imaging device with respect to an object, the imaging device comprising two or more optical channels, is disclosed. The method may include aiming the two or more optical channels at corresponding overlapping zones of the object such that the two or more optical channels are oriented at different angles relative to each other and off-axis relative to a central axis of the imaging device. The method may additionally include guiding or focusing the imaging device relative to the object using composite images created by combining separate images from the two or more optical channels.

Abstract: An imaging device may include first and second optical channels, where each of the first and second optical channels include a discrete optical imaging pathway. The first and second optical channels may be aimed at different angles relative to each other, and each may be directed towards corresponding partially overlapping zones of an object for imaging. Each of the optical channels may include an illuminating source configured to be turned on or off, where illumination from the illuminating sources follow respective illumination paths to the object. Each of the optical channels may additionally include lenses shared by both the respective optical imaging pathways and the respective illumination paths, and each may include an image sensor. The imaging device may also include a computing device configured to turn on the illuminating source of the first optical channel while capturing an image using the image sensor of the second optical channel.

Abstract: A device for illuminating a posterior segment of an eye may include multiple channels. Each of the channels may include multiple illumination paths such as a first region illumination path, and a second region illumination path. The first region illumination path and the second region illumination path may be illuminated at different times such that a first region and a second region may be imaged without interference from a non-illuminated illumination path.

Abstract: An optical imaging device includes a plurality of imaging channels. Each imaging channel of the plurality of imaging channels may include a discrete optical imaging pathway, and the plurality of imaging channels may be disposed within a support structure. The plurality of imaging channels may be aimed at different angles relative to each other. The optical imaging device may also include a secondary fixation target within at least one imaging channel of the plurality of imaging channels such that at least one corresponding optical imaging pathway fits through a pupil diameter that is smaller than a minimum pupil diameter for multi-channel image acquisition with primary fixation.

Abstract: An imaging device may include first and second optical channels, where each of the first and second optical channels include a discrete optical imaging pathway. The first and second optical channels may be aimed at different angles relative to each other, and each may be directed towards corresponding partially overlapping zones of an object for imaging. Each of the optical channels may include an illuminating source configured to be turned on or off, where illumination from the illuminating sources follow respective illumination paths to the object. Each of the optical channels may additionally include lenses shared by both the respective optical imaging pathways and the respective illumination paths, and each may include an image sensor. The imaging device may also include a computing device configured to turn on the illuminating source of the first optical channel while capturing an image using the image sensor of the second optical channel.

Abstract: A folded telescope system providing a light path to an image plane can include a first double-sided corrector plate having two powered sides, with at least one side being aspheric. In addition, the system includes a second double-sided corrector plate having two powered sides and a lens assembly positioned between the first and second double-sided corrector plates to define an image plane also positioned between the first and second double-sided corrector plates. In some embodiments a sensor is positioned at the image plane, with the folded telescope being positioned within or attachable to a display.

Abstract: An optical imaging device includes a plurality of imaging channels. Each imaging channel of the plurality of imaging channels may include a discrete optical imaging pathway, and the plurality of imaging channels may be disposed within a support structure. The plurality of imaging channels may be aimed at different angles relative to each other. The optical imaging device may also include a secondary fixation target within at least one imaging channel of the plurality of imaging channels such that at least one corresponding optical imaging pathway fits through a pupil diameter that is smaller than a minimum pupil diameter for multi-channel image acquisition with primary fixation.

Abstract: An optical imaging device includes a support structure and imaging channels, where each imaging channel includes a discrete optical imaging pathway. The imaging channels may be disposed within the support structure, and the imaging channels may be aimed at different angles relative to each other such that each optical imaging pathway is directed towards a pupil of the eye. Additionally, the optical imaging device may include a primary fixation target configured to emit optical signals along a primary fixation target projection path towards the pupil of the eye. Further, an artifact of the primary fixation target may be generated onto a portion of the eye to be imaged.

Abstract: An optical imaging device may include a support structure and multiple imaging channels, where each of the imaging channels includes a discrete optical imaging pathway disposed within the support structure. Additionally, the imaging channels may be aimed at different angles relative to each other such that each optical imaging pathway is directed through a pupil of the eye towards corresponding partially overlapping regions of a retina.

Abstract: Several aspects of the volume gauge may be implemented with a pressure sensing system and/or a motion sensing system. The pressure sensing system for volume measurements may include a chamber, a pressure changing device, a pressure sensing device, and a processor. The motion sensing system for volume measurements may include a container, a flexible seal, a heating device, a sensing device, and a processor.

Abstract: The camera or periscope system may include a taking lens, a beam steering device, a relay device, and an image rotation device. The camera or periscope system can be used to image in situations where the camera is not easily redirected to view a desired object of interest. The camera or periscope system is designed to be fixed to a mounting platform where the taking lens can be configured to point to the desired object of interest.

Abstract: Several aspects of the volume gauge may be implemented with a pressure sensing system and/or a motion sensing system. The pressure sensing system for volume measurements may include a chamber, a pressure changing device, a pressure sensing device, and a processor. The motion sensing system for volume measurements may include a container, a flexible seal, a heating device, a sensing device, and a processor.