Abstract: A headset includes a tissue transducer on a carriage that translates along a temple portion of the headset. The carriage is configured to contact the helix root of a user's ear. The helix root provides a reference point, and when the carriage is contact with the helix root, the tissue transducer is configured to be located in a target area. By maintaining a fixed location of the tissue transducer relative to the helix root of the user's ear, the tissue transducer may be accurately positioned, even for users with different head shapes and sizes.

Abstract: A dry eye treatment device and method including a pliable thermal pack engageable upon a first side of a vibration ring is provided. The vibration ring has a second side adapted for positioning on the face of a user to communicate vibration to the eyelids of a user from the vibration ring, and heat or cold from a bulging portion of the thermal pack communicating through a pair of openings in the vibration ring. A cover forming a cavity on the face of the user to house the vibration ring and the thermal pack may also be employed.

Abstract: An illumination system adapted for an eyewear that includes a light source configured to emit a first light including a power spectrum having full width at half maximum of less than 100 nm in a first range of wavelengths and a second light including a power spectrum having full width at half maximum of less than 100 nm in a second range of wavelengths, the power spectrum of the first light and the power spectrum of the second light differ from each other, and the light source is further configured to emit pulses of light with a pre-determined time function. The pre-determined time function comprises a plurality of packets, each packet of the plurality of packets being followed by a packet interval, and each packet including a pulse alternation between a pulse of the first light and a pulse of the second light.

Abstract: A modular audio system which includes an acoustic module configured to be removably engaged with a head-worn peripheral device. In some examples, the head-worn peripheral device is a pair of eyeglass frames and the acoustic module is configured to removably secure to a socket arranged on the inside face of the temples of the eyeglasses. The acoustic module may be configured to magnetically engage with the peripheral device such that, in a resting, coupled position, respective components of magnetic retention force are provided in at least two axial directions that are orthogonal to each other; i.e., a first component of magnetic retention force is provided in a first (horizontal) axial direction and a second component of magnetic retention force is provided in a second (vertical) axial direction.

Abstract: A device can include glasses including one or more lenses that permit a wearer a broad view of the environment from a first perspective and contact members having one or more contact-surfaces formed to secure the glasses to a head of the wearer while the wearer is wearing the device. The device can include one or more loupes, each loupe including a redirection member structured to redirect image light that is received by the loupe; one or more magnifying members structured to magnify the image light; a viewport structured to allow passage of the magnified image light. The loupe is secured through one of the lenses such that the magnified image light is presented though the viewport to an eye of the wearer while the wearer is wearing the device.

Abstract: The present disclosure relates to a loudspeaker. The loudspeaker may include a loudspeaker mechanism, a fixing mechanism, and a connector. The loudspeaker mechanism may be configured to generate a vibration signal and transmit the vibration signal to the human body. The fixing mechanism may be configured to support and maintain the position of the loudspeaker mechanism. The connector may be configured to connect the loudspeaker mechanism with the fixing mechanism. The loudspeaker mechanism may at least include a first fixed position and a second fixed position. The first fixed position may be a fixed position of the loudspeaker when the loudspeaker is in a non-working state. The second fixed position may be a fixed position of the loudspeaker when the loudspeaker is in a working state. The connector may be configured to switch the loudspeaker mechanism between the first fixed position and the second fixed position.

Abstract: Techniques for providing wearable electronic devices with electrical components are disclosed. The electrical components can provide electrical technology to eyewear to facilitate audio support including enhanced hearing. The electrical components can operate independently or together with other electrical components provided elsewhere. The wearable electronic devices with electronic components can, for example, provide audio output, audio enhancements, or event-related audio content.

Abstract: A method for anti-inflammatory treatment of diabetic retinopathy can include systemic administration of an A2aAR agonist and providing local electric field stimulation to the retina. The electric field stimulation causes translocation of A2aRs from cytosol to the cell membranes and makes them active and available for binding with adenosine and adenosine agonists. Increased numbers of active A2aRs on cellular membranes leads to several-fold increase in the anti-inflammatory signal transduced into the cells. Amplified adenosine-A2aR signaling pathway causes significant inhibition of production of proinflammatory cytokines and other cytotoxic activity of microglia thus protecting the retina from destruction by the immune system and preserving eyesight. A treatment apparatus can include a multicoil applicator with coils adapted for positioning near eyes for stimulating retina, a pulse generator functionally coupled to the applicator and a power supply.

Abstract: Head-wearable apparatus to generate binaural audio content includes a first stem coupled to a first microphone housing that encases first front microphone and first rear microphone that generates acoustic signals, respectively. First microphone housing includes a first front port that faces downward and a first rear port that faces backwards. Apparatus includes second stem coupled to second microphone housing that encases second front microphone and second rear microphone that generate acoustic signals, respectively. Second microphone housing includes second front port that faces downward and second rear port that faces backwards. Apparatus includes binaural audio processor that includes beamformer and storage device. Beamformer generate first beamformer signal based on acoustic signals from first front microphone and first rear microphone, and second beamformer based on acoustic signals from second front microphone and second rear microphone.

Abstract: Magnetic Bluetooth eyeglasses are revealed. A Bluetooth circuit module is mounted in a mounting space of a temple and provided with a built-in Bluetooth unit connected to mobile devices. The Bluetooth circuit module further includes a microphone, a speaker, a touch switch, and a power connection base. The temple is connected to a power supply device by magnetic attraction between first and second magnetic members while the power supply device is in contact with the power connection base of the Bluetooth circuit module. Thereby users are not bothered by wires while in use and the eyeglasses are more convenient to use. Moreover, the eyeglasses can still be used during charging process. Users only need to replace the power supply device with a new one already charged instead of taking off the whole eyeglasses. The eyeglasses which prevent moisture infiltration provide longer service life.

Abstract: Eyewear having: an optical module; an input unit; a sensing unit; a storage unit that stores at least conditions that change optical properties of the optical module; and a control unit that performs electric control of the optical module, in accordance with a set mode, by using electric control. The set modes include: a first mode in which the control unit electrically controls the optical module on the basis of a condition stored in the storage unit and a detection value for the sensing unit; and a second mode in which the control unit electrically controls the optical module on the basis of instructions received by the input unit. The conditions stored in the storage unit are updated on the basis of the detection value for the sensing unit when the input unit has received an instruction in the second mode.

Abstract: Disclosed is a sterile cover (100) for a Mixed Reality (MR) device (101). The sterile cover (100) may comprise a first case (102) arranged for covering a front side of the MR device (101). The first case (102) may comprise a hard case with an embedded clear layer (114) for covering a glass area of the front side of the MR device (101). The sterile cover (100) may further comprise a second case (104). The second case (104) may be arranged for covering a headband side of the MR device (101). The second case (104) may comprise a stretchable case for allowing a flexible adjustment of the headband side of the MR device (101) within the second case (104).

Abstract: A portable eyewear electronic device that includes a speaker module and methods of assembly of the device are presented. The electronic eyewear device includes a speaker module that emits acoustic radiation that is channeled through a carrier contained within a temple to one or more acoustic ports near a user's ear.

Abstract: Systems and methods for managing temperatures of wearable device components are disclosed. In one aspects, a method includes determining a temperature of an electronic component of the wearable device, determining a rate of temperature change of the electronic component, and determining whether to increase or decrease a transmission rate limit of the electronic component based on the temperature and the rate, adjusting the transmission rate limit based on the determination, and limiting a rate of transmission of the electronic component based on the adjusted transmission rate limit.

Abstract: An apparatus includes a container, a plurality of lights and a circuit. The container may comprise an outer shell comprising a material configured to protect contents of the apparatus and an inner surface. The outer shell may be configured to open to enable the contents to be placed on the inner surface. A cavity may be formed within the container when the outer shell is closed. The plurality of lights implemented on the inner surface may each be configured to adjust a characteristic of light output in response to a signal. The circuit may be configured to generate the signal in response to an input. The circuit may be implemented between the outer shell and the inner surface. A reactive material of the contents of the container may be configured to change appearance in response to the characteristic of light.

Abstract: An electronic device comprises a distance detecting sensor for detecting a distance from a user to a target object, a light detecting sensor for detecting light intensity of external environment, a nine-axis sensor for detecting the user's motion, a control unit for determining whether the user is at high risk of vision loss based on the distance information output from the distance detecting sensor, the light intensity information output from the light detecting sensor, and the motion information output from the nine-axis sensor, and generating an alert command when it is determined that the user is at high risk of vision loss; and a vibrator for providing an alert based on the alert command output from a control unit.

Abstract: The present invention relates to an apparatus equipped with a depth of field control function for enabling augmented reality, which is capable of controlling the depth of field and focus and also preventing an image from being blurred due to diffraction by using a pseudo-pinhole effect. The apparatus includes: a display unit configured to generate a virtual image; a circular depth of field control unit configured to have a size in a range from 50 to 700 ?m, and also configured to reflect the virtual image generated in the display unit, to increase the depth of field of the virtual image, and to then enable the virtual image to reach an eye of the user; and a frame part configured such that the display unit and the depth of field control unit are installed thereon or therein, and also configured to enable the user to wear the apparatus for enabling augmented reality.

Abstract: Provided is a selectively filtered vision protection system for defense against aircraft laser threats. The system comprises a viewing device having a frame supporting a transparent viewing surface. The frame is configured to be positioned on the face of a user such that the user may see through the viewing surface. A selective filter is positioned adjacent to the viewing surface such that the angle of the field of view of the user is regulated in at least one orthogonal plane. The viewing angle is selected to prevent light transmitted from a light source, located outside of the viewing angle, from being viewed by the user. The selective filter is configured to operate in a first mode for transmitting light unrestricted through the viewing surface, and a second mode to regulate the angle of the field of view of the user in at least one orthogonal plane.

Abstract: Eyewear having one or more electronic devices stowable and deployable from storage cavities disposed in one or both temple arms of the eyewear are described. The devices are deployable through passages in the eyewear frame which are covered when the devices are in the stowed position. Devices may be changed either by removing and replacing a device or by removing and replacing a temple arm on a particular set of eyewear.

Abstract: A method includes sensing a level of ultraviolet radiation in an environment in which an electronic device is present, detecting an environmental condition of the electronic device based upon the sensed level of ultraviolet radiation, and controlling the operation of the electronic device based upon the detected environmental condition. The detected environmental condition may include an indoor condition, outdoor condition, near-window condition, near-door condition, and in-vehicle condition of the electronic device. Controlling the operation of the electronic device based upon the detected environmental condition may include selectively activating and deactivating components of the device based on the detected environmental condition to reduce power consumption of the device.

Abstract: A contact lens according to an embodiment of the present disclosure includes a lens section to be worn on an eyeball. The contact lens further includes a communication electrode, a sensor device, a controller, and a shield layer in the lens section. The controller supplies electric power to the communication electrode, and outputs a signal corresponding to information acquired by the sensor device to the communication electrode. The shield layer is provided at a position facing at least one of the sensor device, the controller, or the communication electrode.

Abstract: A headset includes two earplug components each including an earphone shell defining an accommodating cavity and a control device in the accommodating cavity, a connecting member connecting two earphone shells, a first light emitting component includes a first light source in the accommodating cavity of at least one earphone shell and electrically connected with the control device and a light emitting tube, and a second light emitting components configured in the accommodating cavity and electrically connected with the control device. Each earphone shell is connected with both ends of the light emitting tube, an optical adjusting member is to transmit light from the first light source to the light emitting tube. A surface of one earphone shell away from the other earphone shell is defined with an emitting channel communicating with the accommodating cavity. Light from the second light emitting component is emitted through the emitting channel.

Abstract: Various aspects include audio eyeglasses with a frame including: a lens region; a pair of arms extending from the lens region; a hinge coupling each of the pair of arms with the lens region; and a cable extending through each hinge, where each hinge includes: a body defining a cavity accommodating the cable; and a hinge mechanism within the body, the hinge mechanism having: a spring located in the lens region, the spring including at least one lever arm extending within the cavity; and a cam member contacting the lever arm of the spring, where the cam member includes: a first contact surface for resisting kickback from the spring when the audio eyeglasses are in a fully open position, and a second, distinct contact surface for resisting kickback from the spring when the audio eyeglasses are in a fully closed position.

Abstract: A facemask-mounted augmented reality (AR) display device is disclosed. In embodiments, the display device is hard-mounted to a breathing apparatus (e.g., oxygen mask, smoke mask) fitted to a user's nose and mouth behind a partially or fully covering external face shield. The AR display system includes display surfaces aligned with the eyes of the user and capable of providing the user with a forward field of view that moves with the user's head. The AR display system synthesizes streaming images with additional overlay sources (e.g., mission data, position data) to generate augmented reality content presented to the user within the field of view of the display surfaces.

Abstract: In some examples, a device includes a fluid lens having a substrate and a membrane connected to the substrate using a flexure. The fluid lens may include a fluid located within a cavity at least partially defined by the substrate and the membrane. The flexure may include a membrane attachment and an elastic element. The device may be configured so that a displacement of the membrane attachment adjusts a profile of the membrane, and may induce a compression of at least a portion of the elastic member. In some examples, a flexure may include a plurality of elastic elements, which may be attached to the substrate (e.g., through a flexure support), and a rigid element, that may include or be connected to the membrane attachment. Example devices include head-mounted devices, such as augmented reality or virtual reality devices.

Abstract: An optical system is presented for use in an augmented reality imaging system. The optical system comprises a light directing device, and a projecting optical device. The light directing device is configured for directing input light, including light indicative of an augmented image to be projected and input light indicative of a real image of an external scene, to propagate to an imaging plane. The projecting optical device has a fixed field of view and has a plurality of different focal parameters at different regions thereof corresponding to different vision zones within the field of view.

Abstract: An audio system and methods for detecting proximity between or engagement between a removable open-ear acoustic module and a host device. Upon detection of proximity or engagement, the audio system may adjust at least one device setting of the devices in the system. In some examples, the devices of the audio system are capable of obtaining specific identifying information about the other devices, and can be configured to adjust the at least one device setting based on device identity. For example, adjusting the device settings can include an adjustment to power state of the open-ear acoustic module, an audio equalization (EQ) setting, a volume setting, a bass level setting, a treble level setting, an Active Noise Reduction (ANR) setting, a user profile setting, selection of an algorithm of a plurality of algorithms related to data collection, a sensor calibration setting, and a user interface control setting.

Abstract: An eyewear system including an eyewear frame and an application module. The eyewear frame including a docking station, and an electronic connector including a first set of preconfigured application connection points. The application module adapted to be mounted to the docking station, and including an electronic device configured to perform a function, and a second set of preconfigured application connection points corresponding to at least some of the first set of preconfigured application connection points. The second set of preconfigured application connection points including at least two different sub-function connections used to support the function of the electronic device.

Abstract: Eyewear (100) comprising at least one lens (110,120), a lens frame (111,121), a battery (170) and means for wireless charging of said battery (170), which wireless charging means comprises a receiver coil (181) arranged to be remotely powered by a corresponding transmitter coil (340) in a separate charging device (300). The invention is characterised in that the receiver coil (181) is arranged so that it encircles at least one of said one or several lenses (110,120), forming part of or being enclosed in said lens frame (111,121), whereby light passing through the at least one lens (110,120) will also pass through a coil hole.

Abstract: The described systems and methods determine a driver's fitness to safely operate a moving vehicle based at least in part upon observed UVB exposure patterns, where the driver's UVB exposure levels may serve as a proxy for vitamin D levels in that driver's body. A smart ring, wearable on a user's finger, continuously monitors user's exposure to UVB light. This UVB exposure data, representing UVB exposure patterns, can be utilized, in combination with driving data, to train a machine learning model, which will predict the user's level of risk exposure based at least in part upon observed UVB exposure patterns. The user can be warned of this risk to prevent them from driving or to encourage them to get more sunlight exposure before driving. In some instances, the disclosed smart ring system may interact with the user's vehicle to prevent it from starting while exposed to high risk due to deteriorated psychological or physiological conditions stemming from insufficient UVB exposure.

Abstract: A head mounted display system configured to project light to an eye of a user to display augmented reality images can include a frame configured to be supported on a head of the user, a camera disposed temporally on said frame, an eyepiece configured to direct light into said user's eye to display augmented reality image content to the user's vision field, a reflective element disposed on the frame, and at least one VCSEL disposed to illuminate said eye, wherein the camera is disposed with respect to the reflective element such that light from the VCSEL is reflected from the user's eye to the reflective element and is reflected from the reflective element to the camera to form images of the eye that are captured by the camera.

Abstract: A speaker unit detachably mountable to a hearing aid device body configured to be positioned behind an ear of a wearer is disclosed. Further, hearing aid device system comprising the speaker unit is disclosed. The speaker unit comprises a contacting unit comprising at least one contact element and configured to be detachably mountable to a hearing aid device connector of said hearing aid device. The speaker unit further comprises a speaker unit body configured to be positioned at least partly in an ear canal of the wearer and comprising an output transducer unit configured to provide an acoustic signal based on an electrical signal input to said output transducer unit via said at least one contact element. The speaker unit further comprises a connecting unit provided between said speaker unit body and said contacting unit and including at least one wire configured to electrically connect said speaker unit body and said contacting unit.

Abstract: A multifunctional eyeglass device includes a control module, a lens group, a power supply module, a storage module, a communication module, and a frame. The lens group includes a first lens module and a second lens module, the first lens module includes a first liquid crystal lens unit and a first display unit, and the second lens module includes a second liquid crystal lens unit and a second display unit. The control module is electrically connected to the first and second lens module of the lens group, the power supply module, the storage module, and the communication module. The first and second liquid crystal lens units are adjusted in focal length according to at least one power source. The control module receives data via the communication module, and the data is displayed by the first and second display unit.

Abstract: A device having a see-through display including a segmented light source configured to provide additional control of an illumination level of an image display. The individual light segments of the light source are individually controlled to together produce a light beam that illuminates the image display to provide an additional range of control of the illumination level. An N number of light segments allow the minimum light level of the light beam to be 1/N of the minimum light the light source can generate. The maximum light level of the beam is N time brighter than a light source with only one light segment. The dynamic level of the image generated is matched to the ambient light about the device such that the image is visually acceptable to a user. The device can be eyewear in one example.

Abstract: An ear cover assembly having a resilient frame attached to ear covers via a rotatable mounting located in an upper portion of the ear cover, the resilient frame being configured to apply clamping force to hold the ear covers in place over the wearer's ears and the geometry of the frame and rotational mounting being configured to distribute clamping force over the ear cover to hold the assembly in place when worn. Thus, the ear cover assembly can be supported in place by the rotationally mounted frame rather than a headband. The frame can be used to support elements such as eye protectors, visors, face masks, microphone etc.

Abstract: The disclosed technology provides an electronic device including an eyepiece and a wireless charging coil forming at least one loop around the eyepiece. The charging coil is coupled to a rechargeable battery and adapted to inductively charge the rechargeable battery when the electronic device is positioned such that the wireless charging coil is within a magnetic field generated by a wireless charging source.

Abstract: A system comprises a smartwatch and an eyeglass frame. The eyeglass frame comprises a front piece, a pair of temples, and an optical element connected to the front piece. Each temple is hinged to an end of the front piece to allow the pair of temples to move between a folded position and an open position, where at least one temple of the pair of temples comprises an adapter to receive the smartwatch. The optical element is connected to the front piece and is configured to reflect light from the smart watch to an eye of a user.

Abstract: A designing method of a pair of spectacle lenses, which includes a right-eye spectacle lens and a left-eye spectacle lens, includes a process of designing the pair of spectacle lenses; a power error (unit: diopter (D)) that compensates for a difference between a response of accommodation of a right eye and a response of accommodation of a left eye of a wearer, wherein a response of accommodation (unit: diopter (D)) of each eye is a difference AC (=applied accommodation ACN?applied accommodation ACF) between an applied accommodation ACF of the eye of the wearer exhibited when the wearer views an object at a distance f and an applied accommodation ACN of the eye of the wearer exhibited when viewing an object at a distance n shorter than the distance f.

Abstract: Apparatus and systems related to modular eyeglass elements may be provided. A detachable temple may be detachably coupled to a lens assembly at a temple strut of the lens assembly via a locking mechanism. Locking mechanisms may include spring tab, spring lever, spring bar, snap-fit, spring latch, and other disclosed configurations.

Abstract: The present disclosure provides a pair of glasses, including spectacle lenses and a sensing device, wherein the spectacle lens includes two layers of lenses which form a cavity, wherein the layer of lens on a wearing side of the spectacle lens is deformable, the cavity is filled with a first liquid and a second liquid, a volume of the first liquid is greater than that of the second liquid, and an electrowetting film is provided oppositely on a middle portion of an inner surface of at least one layer of lens, and wherein the sensing device is configured to measure a distance between the glasses and an object to be observed, wherein in the case where the measured distance is less than a preset spacing, the sensing device is turned on to apply a voltage to the electrowetting film.

Abstract: Embodiments of the present disclosure are directed to a wearable phototherapy eye device. In an example, phototherapy can be controlled by varying an emission property of light emitted from the wearable phototherapy eye device to a user eye. In particular, the wearable phototherapy eye device includes a light source oriented to emit the light towards the user eye. The wearable phototherapy eye device also includes controls, such as electrical, mechanical, and/or electro-mechanical controls, to vary the emission property of the light based on an emission target associated with a sleep phase.

Abstract: A camera positioning method, device and medium are provided. The method includes: determining positioning configuration information; determining, according to the positioning configuration information, positioning information of the camera by a preset algorithm, the positioning information including distance limitation data which defines a distance between a target and the camera; and determining a position of the camera according to the positioning information, wherein the positioning configuration information includes target data, ratio data of a target image in an image captured by the camera, and camera parameter data.

Abstract: A method for treating amblyopia in a patient includes: providing a virtual reality headset having a display that provides a first display to a left eye and a second display to the right eye; and manipulating one of the first display or the second display such that the manipulation encourages a patent's amblyopic eye to perform more work than the non-amblyopic eye.

Abstract: Apparatus and systems for an ophthalmic device having alignment features that aid assembly of a liquid filled layered stack are disclosed herein. An example apparatus may include first, second, and third optical elements arranged in a stack, with each optical element including alignment and separation features. The alignment and separation features may form an optic region and a dam region. The optic region encircles an optical axis of each of the optical elements. The dam region includes a first dam formed due to the first and second optical elements being in contact, and a second dam formed due to the second and third optical elements being in contact, wherein the dam region determines an optic region gap width.

Abstract: Techniques for adjusting an optical element using an actuator assembly. The optical element is adjusted by translating the optical element along a linear axis of motion or by applying force upon a surface of the optical element. The optical element can be a liquid lens that is shaped by the application of force upon a surface of the lens. The actuator assembly includes a plurality of lead screws and a mechanical linkage that intercouples the lead screws and that is configured to simultaneously rotate the plurality of lead screws. The actuator assembly further includes a displacement element configured to act upon the optical element, through translational motion of the displacement element in response to rotation of the lead screws. Multiple optical elements can be adjusted simultaneously using respective displacement elements coupled to the lead screws.

Abstract: Systems, devices, and methods for electrical connection between components of wearable heads-up displays are described. A wearable heads-up display can include a first arm and a second arm, bridged by a front frame. The first arm can carry electrical components, the second arm can carry a power source, and the front frame can carry a set of electrically conductive current paths which provide electrical coupling between the power source and the electrical components. The first arm and the second arm can each rotate about a respective hinge relative to the front frame. A flexible, dynamic set of electrically conductive current paths can couple the electrical components in the first arm to the set of electrically conductive current paths in the front frame, and another flexible, dynamic set of electrically conductive current paths can couple the power source in the second arm to the connector in the front frame.

Abstract: In one aspect, a device may include at least one processor, a camera accessible to the at least one processor, and storage accessible to the at least one processor. The storage may include instructions executable by the at least one processor to receive input from the camera and to determine, based on the input from the camera, that a change in the dilation of a user's pupils has occurred. The instructions may also be executable to perform at least one action at a device based on the determination, where the at least one action may be related to the user's interest in at least a portion of content presented using the device.

Abstract: An electronic assembly including eyewear and/or an eyewear case having a support structure and a conductive contact surface supported by the support structure. The eyewear case includes electronic components, an electrical contact surface adapted to engage the conductive contact surface of the eyewear, a first magnet attached to the electrical contact surface, and a second magnet that is positioned to attract or repel the first magnet.

Abstract: A hinge assembly for an electronic device. The hinge assembly includes a first component coupled to a second component by a cam. The cam includes a cylinder coupled to the first component and a bottom cap coupled to the second component by a fastener. The cylinder includes a first port and a second port, where an energy waveguide passes from the first component into the first port and through the second port into the second component. The first component rotates about an axis of rotation in relation to the second component from a first rotational position to a second rotational position. The first component is offset relative to the second component in the second rotational position. The offset includes a translation along an axis parallel to an axis of rotation and a rotation about the axis of rotation.

Abstract: The present disclosure provides a display apparatus, including: a control circuit; a display unit, configured to generate images; and a first spatial light modulator, set at a front end of the display unit and connected to the control circuit through signals, where the first spatial light modulator is configured to change a modulation pattern or content based on electronic signals generated by the control circuit, to dynamically adjust spatial imaging distances. In addition, the present disclosure further provides a method for controlling a display apparatus.