Abstract: An eyewear apparatus includes an adaptive lens per eye; a frame employed to hold the adaptive lens; and at least one photovoltaic device per eye. A photosensitive surface of the at least one photovoltaic device is arranged at a periphery of the adaptive lens. The at least one photovoltaic device is to be employed to convert light incident upon the photosensitive surface into electricity, the electricity being usable to power the adaptive lens.

Abstract: Disclosed is an optical element with a first substrate and a second substrate. A cavity is formed between first substrate and second substrate; a material, wherein liquid state of material has refractive index that matches refractive index of at least one of: first substrate, second substrate; a liquid reservoir that is to be employed to hold liquid state; a gas reservoir that is to be employed to hold a gaseous state of the material; means for converting gaseous state into liquid state; fluid channel(s) connecting cavity to liquid reservoir and to gas reservoir; and means for controlling supply of liquid state to cavity through fluid channel(s) and for controlling replacement of liquid state with the gaseous state in cavity, wherein given optical power is produced by optical element when cavity is filled with gaseous state.

Abstract: A method for tracking a core body temperature of a user using an optical apparatus. The method includes measuring a temperature of at least one point on an ocular surface of the user's eye, at a plurality of time instants during a time period, wherein said measuring is performed using at least one temperature sensor, and wherein the at least one point lies within a sensing area of the at least one temperature sensor; and estimating the core body temperature of the user at the plurality of time instants, based on the measured temperature of the at least one point at the plurality of time instants.

Abstract: A hinge includes a first hinge part having a first end and a second end; a second hinge part having a third end and a fourth end; a connecting member for connecting the first hinge part and the second hinge part for providing first rotation point to allow rotation of the first hinge part with respect to the second hinge part; a first electrical connector at the first end and a second electrical connector at the fourth end, an electrical conductor passing through the first hinge part and the second hinge part for connecting the first electrical connector to the second electrical connector; and a sealing arranged at least at the first end, wherein the sealing is compressed in at least one of: an axial direction, a radial direction.

Abstract: Disclosed is a method for manufacturing an optical device. An electrically-conductive adhesive material is deposited on a first part of a first electrode deposited on a first substrate. A layer of at least one active material is formed between the first substrate and a second substrate, wherein the first electrode is disposed between the first substrate and said layer, and a second electrode is disposed between the second substrate and said layer. The optical device is cut through the first part of the first electrode, thereby exposing the ECA material deposited on the first part of the first electrode. A driving circuit of the optical device is electrically connected with the ECA material deposited on the first part of the first electrode, to provide an electrical connection between the driving circuit and the first electrode.

Abstract: Disclosed is a method for manufacturing an optical device. An electrically-conductive adhesive material is deposited on a first part of a first electrode deposited on a first substrate. A layer of at least one active material is formed between the first substrate and a second substrate, wherein the first electrode is disposed between the first substrate and said layer, and a second electrode is disposed between the second substrate and said layer. The optical device is cut through the first part of the first electrode, thereby exposing the ECA material deposited on the first part of the first electrode. A driving circuit of the optical device is electrically connected with the ECA material deposited on the first part of the first electrode, to provide an electrical connection between the driving circuit and the first electrode.

Abstract: An optical apparatus includes eye-tracking means; a dominant-eye optical element for dominant eye, a non-dominant-eye optical element for non-dominant eye of a user and processor. Each optical element includes a first substrate and a second substrate, and active material encased between the substrates, controlling means for controlling active material to generate optical power(s). The processor is configured to determine gaze directions of both eyes; detect when given criteria is satisfied, such satisfaction being when gaze directions have not converged for predefined time period(s) and/or within predefined error margin; and upon such satisfaction, activate amblyopia treatment mode and generate drive signals for controlling means of both optical elements to perform: (i) produce different optical power for dominant eye and predefined optical power for non-dominant eye, or (ii) produce predefined optical powers for both eyes whilst applying prism correction.

Abstract: A method for designing an electrode pattern for obtaining an optical element, the method including: determining a refractive index profile for an active material included in the optical element; determining, based on the refractive index profile, a voltage profile indicative of a voltage distribution to be applied along the radius or optical axis of the active material to cause a variation in a refractive index of the active material corresponding to the refractive index profile; generating an electrode pattern, with a pair of end-terminals, constituting a set of segments associated with a set of resistances; and obtaining the optical element by depositing the electrode pattern on the active material for application of the voltage distribution along the radius or optical axis of the active material when a set of drive voltages are applied to the pair of end-terminals.

Abstract: An eyewear apparatus includes lens(es); a frame; photo emitter(s); photo sensor(s); optical filter(s) arranged to allow light of only a predefined wavelength range to pass therethrough towards the photo sensor(s); and a processor. The processor is configured to: collect readings of a photocurrent of the photo sensor(s), whilst the photo emitter(s) is switched on; detect when the readings indicate a presence of a bioluminescence in the predefined wavelength range; and upon said detection, determine whether an eye drop has been administered onto an ocular surface of a user's eye, based on at least one of: an intensity of the bioluminescence, a change in the intensity, the eye drop comprising a bioluminescent dye that, when excited by light emitted by the photo emitter(s), emits the bioluminescence of the predefined wavelength range.

Abstract: Disclosed is a nose pad assembly for measuring heart rate, said assembly including: a first cushioning element (FCE) and a second cushioning element (SCE), wherein a first inner surface of FCE and a second inner surface of SCE are capable of redirecting light, a light transmitting element arranged in FCE; a light sensing element arranged in SCE; and processor(s) arranged in a bridge portion of an optical apparatus in which said assembly is employed. The processor(s) is/are configured to: control light transmitting element to emit light, wherein the light passes through the user's nose towards light sensing element, and wherein at least a portion of the light is redirected by: the first inner surface, the second inner surface; and process sensor data to determine heart rate.

Abstract: A method for monitoring attainment of flow state for activity by user. The method includes: receiving first sensor data (SD) from eye-tracking means, and second SD from heart rate monitoring device, wherein SDs are collected while user is engaged in activity; determining eye fixation frequency (EFF) and eye fixation percentage (EFP), and determining heart rate (HR) and heart rate variability (HRV) by processing first and second SDs, respectively; determining focus index (FI), based on EFF, EFP; determining stress index (SI), based on HR, HRV; determining flow index (Fl-I), based on difference between FI and SI; detecting that user has attained flow state for activity, when determined Fl-I is equal to or greater than predefined Fl-I for activity; receiving third SD from tracking means; and determining various poses, by processing third SD, that is utilized when determining FI, SI, and/or a fatigue index.

Abstract: An optical apparatus includes first active optical element (AOE) for first eye of user; eye-tracking means; and processor(s) configured to: process eye-tracking data for determining gaze directions of both eyes; determine given optical depth of gaze point at which user is gazing; detect when given criterion is satisfied, such satisfaction being when gaze directions of both eyes at another optical depth is different from given optical depth of gaze point, and/or user input for activating convergence insufficiency correction mode (CICM) is received; and when it is detected that given criterion is satisfied, activate CICM; determine first prismatic correction (PC) to be applied by first AOE; and generate first drive signal to drive first AOE for applying first PC, to optically shift light incident thereupon.

Abstract: A tracking system for an adaptive eyeglass includes a left eye-tracker, a right eye-tracker, left auxiliary sensor(s), right auxiliary sensor(s), a processor, a left communication bus communicably coupling the processor to the left auxiliary sensor(s), and a right communication bus communicably coupling the processor to the right auxiliary sensor(s). Communication between the left auxiliary sensor(s) and the left communication bus is temporarily disabled, whilst sampling left eye-tracking data using the left eye-tracker. Communication between the right auxiliary sensor(s) and the right communication bus is temporarily disabled, whilst sampling right eye-tracking data using the right eye-tracker.

Abstract: A method of gaze-mapping in real-world environments includes determining a first relative pose of an eyewear apparatus with respect to a first camera by processing first image(s) captured by the first camera; determining gaze directions of a user's eyes by processing gaze-tracking data collected by a gaze-tracking means, wherein the gaze-tracking means is arranged in the eyewear apparatus; determining a second relative pose of the user's eyes with respect to a second camera based on the determined first relative pose and a pre-known relative pose of the first camera with respect to the second camera, wherein the second camera is arranged to face a real-world environment; and identifying a gaze-contingent region in second image(s) captured by the second camera.

Abstract: Disclosed is a light-sensing arrangement for an eye-tracking system. The light-sensing arrangement includes a light sensor including a plurality of light-sensitive elements which collectively form a light-sensitive surface of the light sensor. Further, the light-sensing arrangement includes a light collimation element arranged on the light-sensitive surface of the light sensor. The light collimation element defines an angle of acceptance (?a) for each light-sensitive element of the light sensor to lie within a field of view (?t) of the light-sensitive element in which a user's eye is expected to be present.

Abstract: A pairable device and a method for securely connecting the pairable device. The pairable device includes at least one first sensor and a controller. The controller is configured to receive positional data from the at least one first sensor, process the positional data to detect an orientation of the pairable device, determine a current pairing condition based on at least the detected orientation, wherein the current pairing condition is one of pairable, or non-pairable and transmit a pairing request, via a communication interface, to at least one user device to enable pairing based on at least the current pairing condition.

Abstract: An eyewear apparatus includes a frame; optical element supported by frame; first temple having cavity; first hinge rotatably coupling first temple with respect to frame, wherein first hinge is detachably coupled to first temple using adhesive, and wherein first temple is detachable from first hinge by heating adhesive therebetween; at least one electrical component arranged on at least one of optical element or frame; power source housed inside cavity of first temple, wherein power source is employed to supply electricity to at least one electrical component; supporting part coupled to first hinge, wherein supporting part is configured to support power source thereon and configured to be slidably received inside cavity of first temple; and electrical conductor fitted to supporting part and connecting power source to at least one electrical component.

Abstract: Disclosed is a time-multiplexed eye-tracking system with a first set of light emitters and second set of light emitters that are to be employed to emit light beams towards first eye and second eye of user, respectively; first set of light sensors and second set of light sensors that are to be employed to sense reflections of the light beams; and processor(s) communicably coupled to first and second set of LS, wherein processor(s) is configured to: control first and second set of LS to operate in time-multiplexed manner; process sensor data, collected by first set of LS at first time instant, to determine gaze direction of first eye at first time instant; and process sensor data, collected by second set of LS at second time instant, to determine gaze direction of second eye at second time instant.

Abstract: An eyewear and a method for determining user exposure wherein the eyewear includes at least one first sensor attached to a frame of the eyewear and wherein the first sensor is selected from at least one of: ultraviolet light sensor (UVS), photopic ambient light sensor (ALS), and a controller configured to receive values for a photopic light level and an ultraviolet light level from the at least one first sensor, provide a timeline for the received values of the photopic light level and the ultraviolet light level, calculate from the timeline, the photopic light level, and the ultraviolet light level, a probability of time duration the eyewear has been exposed to outdoor environment, and provide the calculated probability of time duration for a user of the eyewear.

Abstract: A spectacle frame having electronic components integrated therein, includes: an insert having a base structure, the base structure being employed to accommodate the electronic components; the electronic components assembled onto the base structure of the at least one insert; and a plastic resin encapsulating the electronic components at least partially, wherein the plastic resin is affixed to the at least one insert, wherein the at least one insert and at least a part of the assembled electronic components are securely embedded within the plastic resin.