Abstract: A system can include a non-transitory memory to store machine readable instructions and data, and a processor to access the non-transitory memory and execute the machine-readable instructions. The machine-readable instruction can include a global module that can be programmed to generate a visual field map (VFM) model that can include a set of visual function map parameters for an entire visual field for a subject. The global module can be programmed to update the set of visual function map parameters corresponding to updating a shape of the VFM based on subject response data generated during each administration of a vision test to a subject.

Abstract: Apparatuses and systems are disclosed and can include a case for eyewear having an eyewear body carrying onboard electronic components that comprise a heat source that generates heat during electrically powered operation is disclosed. The case can hold the eyewear when the eyewear are in a stowed position. The case can further include one or more supports to support the eyewear in the stowed position within the holding space. One or more heat sinks are integrated with the one or more supports. Each of the one or more heat sinks are thermally conductive coupled with a corresponding heat sink of the eyewear. A first heat conduction pathway is thermally connected to the one or more heat sinks and can extend into the case body to conduct heat from the heat source into the case with the eyewear supported in the stowed position.

Abstract: A plurality of light-emitting units (140) are provided on a first surface (100a) of a substrate (100) and are separated from each other. Each light-emitting unit (140) includes a light-transmitting first electrode (110), an organic layer (120), and a light-reflective second electrode (130). The organic layer (120) is located between the first electrode (110) and the second electrode (130). A light-transmitting region is located between the light-emitting units (140) and transmits light in the thickness direction of a light-emitting device (10). An optical filter (200) overlaps the light-transmitting region and does not overlap the plurality of light-emitting units (140).

Abstract: An input method and apparatus of a device. The method includes: tracking and recording movement of an eyeball gaze point of a user on a display screen of the device, to obtain a current eyeball gaze point movement trajectory; judging whether the current eyeball gaze point movement trajectory matches with a preset eyeball gaze point movement trajectory in a movement trajectory database; wherein the preset eyeball gaze point movement trajectories indicate paths of the movement of the eyeball gaze point on the display screen according to a preset length range within a preset time period; if matched, determining a corresponding input instruction by using the matched eyeball gaze point movement trajectory, and completing an input operation according to the input instruction; and if not matched, not conducting an input operation. The input method and apparatus of a device can conduct input according to the eyeball movement of the user.

Abstract: A projection lens includes a lens barrel, at least one lens, a focus adjusting ring, a focus adjusting gear, and a driving module. The at least one lens is disposed in the lens barrel. The focus adjusting ring is disposed on the lens barrel. The focus adjusting gear is fixed on the focus adjusting ring. The driving module is connected with the focus adjusting gear. The driving module includes a motor, a motor gear, a limiter, and an elastic element. The motor has a rotating shaft. The motor gear is penetrated through by the rotating shaft and engages with the focus adjusting gear. The limiter is fixed on the rotating shaft. The elastic element is disposed between the limiter and the motor gear, wherein the limiter applies a normal force to the motor gear through the elastic element.

Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens sequentially arranged on an optical axis from an object side to an image side, wherein an image-side surface of the first lens and an image-side surface of the sixth lens may be concave, and 0.7<TL/f<1.0 and |Nd2?Nd3|<0.2 in which TL may be a distance from an object-side surface of the first lens to an imaging plane, f may be an overall focal length of the optical imaging system, Nd2 may be a refractive index of the second lens, and Nd3 may be a refractive index of the third lens.

Abstract: The present invention relates to optical devices for use by color blindness viewers and more particularly, to eyeglasses which improve the ability of a color blindness viewer to discriminate between different colored objects.

Abstract: A dimmable display lens system and method is provided which includes a display element configured to emit light. The system and method also includes a dimmable lens disposed in the direction of light emission of the display element and configured to increase the transmission of light emitted by the display through the dimmable lens. The dimmable lens also includes a control system configured to increase the transmission of light emitted by the display according to a plurality of light transmission incremental steps. The control system includes a feedback control system configured to adjust the transmission of light through the dimmable lens based at least on the measured values of an ambient light sensor and a forward looking light sensor.

Abstract: An interchangeable lens in which a tilt of an optical axis of a shooting optical system and a projection lens system can be easily adjusted. An interchangeable lens comprising a lens barrel portion holding a lens group; a lens mount detachably coupled to a camera main body; and a spacer sandwiched between the lens barrel portion and the lens mount. The spacer has, in a circumferential direction of the interchangeable lens, first seat surfaces protruding in the optical axis direction at one surface thereof, and has, in the circumferential direction, second seat surfaces protruding in the optical axis direction at the other surface thereof. One seat surfaces of the first seat surfaces and the second seat surfaces are disposed with different heights such that a surface defined by the second seat surfaces has an angle with respect to a surface defined by the first seat surfaces.

Abstract: According to one embodiment, a display device includes a backlight device including a plurality of light sources, a display panel disposed to oppose the backlight device and incline with respect to a direction perpendicular to an optical axis of the backlight device and a diffusion plate provided between the display panel and the backlight device.

Abstract: A system and a method for testing a visual field of a subject are described. The method includes determining inter-eye distance of the subject. Visual stimuli are displayed on a left display region and a right display region of a two-dimensional display to the subject based on the determined inter-eye distance. The left display region is configured to display content specific to the left eye and the right display region is configured to display content specific to the right eye of the subject. Subject responses to the visual stimuli are tracked. Based on the subject responses, a condition of the visual field of each eye the subject is evaluated and then results of the evaluation describing the subject's visual field condition is reported or stored.

Abstract: A beam deflector and a holographic three-dimensional image display apparatus employing the same are provided. The beam deflector deflects light through two stages by a first beam deflector that deflects the light in a first moving direction making an angle with a horizontal direction and a vertical direction, such that the deflected light is oriented to a first location, and a second beam deflector that deflects the light incident from the first beam deflector such that the light is deflected in a second moving direction making an angle with the horizontal direction and the vertical direction at the first location and is oriented to a second location.

Abstract: The present disclosure relates to use of a quaternary molybdenum/tungsten tellurite crystal and a device thereof. The quaternary molybdenum/tungsten tellurite crystal is used as an acousto-optic material, wherein the quaternary molybdenum/tungsten tellurite comprises tellurium (Te) and tungsten (W), or tellurium (Te) and molybdenum (Mo). The crystal has abundant kinds, is non-toxic, and includes high, medium and low symmetry crystal systems; it easily produces a large-size and high-quality single crystal and almost meets all requirements of excellent acousto-optic properties. In the present disclosure, by selecting different light transmission directions and excitation source directions to fabricate an acousto-optic device with practical application values according to the requirements of the crystal acousto-optic device and the crystal characteristics, high-performance acousto-optic Q switching laser output is achieved.

Abstract: An electro-optic modulator device includes a modulation region, a reflecting region, a conductive line and an anti-reflecting region. The modulation region includes a doped region. The reflecting region is over the modulation region. The conductive line is connected to the doped region. The conductive line extends through the reflecting region. The anti-reflecting region is on an opposite surface of the modulation region from the reflecting region.

Abstract: An optical structure includes a first refractive layer, a Fresnel surface, a dichroic reflective coating, a third refractive layer, and a replica layer. The first refractive layer has a first refractive index. The Fresnel surface is formed in a second refractive layer having a second refractive index. The Fresnel surface includes active surfaces and draft surfaces. The dichroic reflective coating is selectively disposed on the active surfaces. The replica layer is disposed between the Fresnel surface and the third refractive layer. The replica layer has the second refractive index and the second refractive index is higher than the first refractive index.

Abstract: A lens barrel in which tilt adjustment can be made depending on the position of a lens unit in the optical axis direction. This lens barrel includes: at least three guide bars provided so as to extend along the optical axis direction; a driving unit that respectively drives the at least three guide bars in the optical axis direction; a lens frame holding unit that holds an image-capturing lens, the lens frame holding unit being attached to at least three guide bars and being driven in the optical axis direction by the at least three guide bars; and a control unit that controls said at least three linear actuators so as to adjust the respective drive amounts in the optical axis direction of the at least three guide bars and to tilt the lens frame holding unit from a direction orthogonal to the optical axis.

Abstract: An Acoustic-Optic A/O device receives light from a source and deflecting the light onto the second A/O device which may be a multi-stacked set of individual A/O devices. The first and second devices may deflected light according to control signals. Also, a multi-modulator projector display system including a light source, controller, an A/O modulator illuminated by the light source and capable of deflecting light according to controller signals, a second modulator illuminated by light from said A/O modulator and capable of modulating the A/O modulated light, said second modulator comprising a plurality of mirrors, and said second modulator capable of modulating the light according to controller signals.

Abstract: An OCT apparatus includes an OCT optical system, a processor that processes a signal from the OCT optical system, and a light guiding optical system disposed on a measurement light path of the OCT optical system. The light guiding optical system forms a pivot point, at which a measurement light turns based on motion of an optical scanner deflecting the measurement light, in an anterior portion of a subject eye, and guides the measurement light passed through the pivot point to a fundus. The OCT optical system includes a compensation unit that compensates for an amount of change in a light path length of the measurement light path between a state in which an angle-of-view switching optical system is inserted and a state in which the angle-of-view switching optical system is retracted.

Abstract: The purpose of the present invention is to provide a myopia treatment device. A myopia treatment device of the present invention comprises a light transmission part selected from a group consisting of an eyesight correcting tool, an eye protection tool, a face protection tool, a sunshade, a display device, a window, a wall, a light source covering, and a coating material. The light transmission part of the device transmits violet light having a wavelength within a range of 360 nm to 400 nm inclusive and thus treats myopia. Or, the myopia treatment device comprises a light emission part selected from a group consisting of lighting equipment, a display device, and a light irradiation device. The light emission part of the device emits violet light having a wavelength within a range of 360 nm to 400 nm inclusive and thus treats myopia.

Abstract: An electro-optic display includes a layer of electro-optic material, at least one conductor, and an adhesive material between the layer of electro-optic material and the at least one conductor. At least one of the electro-optic material and adhesive material comprises a composite material that includes a polymer phase and a filler phase, the filler phase having a conductivity greater than or equal to 0.5×103 S/m, a ratio of the coefficient of thermal expansion of the filler to the polymer is less than or equal to 0.5, and a concentration of the filler phase in the composite material is greater than or equal to a filler concentration corresponding to a conductivity transition point of the composite material.