Abstract: A low-beam primary optical element for a vehicle lamp, a vehicle lamp module comprising the low-beam primary optical element, a vehicle lamp, and a vehicle. The low-beam primary optical element comprises light entrance portion, a light passage portion and a light exit portion which are sequentially arranged from back to front. The light exit portion comprises a main light exit surface and a second light exit surface connected to the main light exit surface. A low-beam cutoff line structure is provided at the secondary light exit surface. The secondary light exit surface is configured to refract light emitted to the low-beam cutoff line structure forward and upward. The low-beam primary optical element has a simple structure, and can effectively improve the color of a low-beam light-dark cutoff line and mitigate color dispersion.

Abstract: According to embodiments of the present disclosure, a method, apparatus, device and storage medium for image shooting are provided. The method comprises presenting a first shooting page in an asynchronous shooting mode. The first shooting page includes a first shooting window for presenting a first scene captured by a first camera of a terminal device. The method further comprises in response to the first camera completing shooting of a first image, presenting a second shooting page comprising a second shooting window and a first image window. The second shooting window presents a second scene captured by a second camera different from the first camera. The first image window presents the first image. The method further comprises capturing a second image by the second camera while the second shooting page being presented. In this way, flexible and interesting image shooting experience is provided.

Abstract: The invention relates to a light-emitting module including a light source capable of emitting light rays, a collector with a reflective surface, an optical system configured to project a light beam by imaging a portion of the reflective surface located behind the light source, a screen located in front of the light source, with a rear face arranged so as to gather light rays which are emitted forward by the light source and are not reflected by the reflective surface. The screen includes an end face, adjacent to the rear face and facing the reflected light rays, which is configured to avoid and/or to absorb the reflected light rays.

Abstract: A lighting module for a motor vehicle signaling device includes a substrate provided with an electronic circuit on which a matrix arrangement of elementary light sources is mounted, and wall through which light emitted from the light sources can pass. The substrate and/or all or part of the elementary light sources are bonded to the wall.

Abstract: Provided are amino acid based polymerizable compounds and their applications in ophthalmic devices. The amino acid based polymerizable compounds are of formula I: wherein R, R1, and R2 are as described herein.

Abstract: Described are implantable therapeutic devices, systems and methods to treat a patient. The device includes a hollow refillable housing for implantation within the posterior segment of an eye through a penetration in the sclera including a proximal retention structure protruding outward from a proximal end region of the housing, an access portion opening, and a penetrable barrier positioned at least in part within the access portion opening, the penetrable barrier configured to be repeatedly penetrated. A rigid porous structure is positioned within a region of the housing away from the access portion opening into a reservoir chamber extends along an axis between the penetrable barrier and the porous structure includes a volume sized to deliver therapeutic amounts of a therapeutic agent to the eye for an extended period of time. A cover is coupled to at least an upper surface of the proximal retention structure.

Abstract: An expanded focal depth type implantable contact lens and a preparation method thereof are provided. The expanded focal depth type implantable contact lens includes an optical body, a first supporting loop and a second supporting loop, where the optical body, the first supporting loop and the second supporting loop are of an integrated structure, are made of the same material and are integrally formed, and the optical body is located between the first supporting loop and the second supporting loop; and the optical body is composed of two optical surfaces, one optical surface is a plane, and the other optical surface is a free-form surface with a focal depth expanding function. In the expanded focal depth type implantable contact lens, a focal depth expansion technology is applied to a lens intraocular lens; a focal depth is expanded; and certain adjusting capacity is provided while myopia is corrected.

Abstract: A full-visual range intraocular lens includes an optical body, a first supporting loop and a second supporting loop, where the optical body, the first supporting loop and the second supporting loop are of integral structure and are integrally formed from the same material, and the optical body is positioned between the first supporting loop and the second supporting loop; the optical body includes two optical surfaces, which being spherical or aspherical, and one of the optical surfaces has a diffraction structure for modulating incident optical-field distribution. The full-visual range intraocular lens adjusts the incident optical-field distribution by means of a diffraction structure, reducing sharp points on the whole optical surface, effectively reducing glare, reducing chromatic aberration, and enabling to see more clearly on the visual range between focal points, so as to bring better visual experience to patients.

Abstract: For example, a Data Mover and Transformer (DMT) may be configured to transform a first data array from a first memory into a second data array to be stored in a second memory. The DMT may include a Row to Column (R2C) transformer configured to transform a data sub-array into a transformed data sub-array by transforming one or more rows of the data sub-array into one or more respective columns of the transformed data sub-array; a memory reader to populate the data sub-array with data retrieved from the first memory according to a memory read pattern, wherein the memory read pattern is based on a predefined transformation from the first data array to the second data array; and a memory writer to write data from the transformed data sub-array to the second memory according to a memory write pattern, wherein the memory write pattern is based on the predefined transformation.

Abstract: Hats including hair ports are disclosed herein. One hat includes a first portion, a second portion, an opening positioned at a rear portion of the hat between the first portion and the second portion, and a coupling mechanism. The coupling mechanism includes a first component positioned on the first portion and a second component positioned on the second portion, in which the first component and the second component of the coupling mechanism are configured to detachably engage each other across the opening between the first portion and the second portion, and a first hair port and a second hair port are created in the opening at the rear portion of the hat when the first and second components of the coupling mechanism are engaged with each other across the opening between the first portion and the second portion.

Abstract: A computer-implemented method for determining printing parameter values of an inkjet printing device for printing a pattern on a surface of a spectacle lens substrate is provided. The inkjet printing device includes a printhead with a plurality of printing nozzles. The method includes: grouping the plurality of printing nozzles into at least two printing nozzle groups, and individually determining a printing parameter value for at least one adjustable printing parameter of each printing nozzle group. In addition, a data processing system, a computer program, a non-transitory computer-readable storage medium, a method for inkjet printing, an inkjet printing device, and a spectacle lens substrate with a pattern printed on a surface of the spectacle lens substrate are provided.

Abstract: An imaging system is provided for a vehicle. In one implementation, the imaging system includes an imaging module, a first camera coupled to the imaging module, a second camera coupled to the imaging module, and a mounting assembly configured to attach the imaging module to the vehicle such that the first and second camera face outward with respect to the vehicle. The first camera has a first field of view and a first optical axis, and the second camera has a second field of view and a second optical axis. The first optical axis crosses the second optical axis in at least one crossing point of a crossing plane. The first camera is focused a first horizontal distance beyond the crossing point of the crossing plane and the second camera is focused a second horizontal distance beyond the crossing point of the crossing plane.

Abstract: The present invention relates to an ophthalmic treatment device, a control method therefor and a fundus lesion treatment method, the ophthalmic treatment device comprising: a treatment beam generation unit for generating a treatment beam; a beam delivery unit for forming a path through which the treatment beam generated from the treatment beam generating unit is irradiated into a patient's fundus; and a control unit for controlling the beam delivery unit to irradiate the treatment beam into a location adjacent to the lesion area of the fundus.

Abstract: An intraocular assembly includes a sulcus fixation frame including at least one anterior haptic restraint member to which a posterior intraocular device receiving member is coupled by means of coupling members. The at least one anterior haptic restraint member includes a sulcus support portion, configured to be received in a sulcus of an eye, and haptic support portions, configured to block anterior movement of haptics of an intraocular device mounted in the sulcus fixation frame or fixate an IOL in the sulcus.

Abstract: The present invention relates to the efficient use of both local and remote computational resources and communication bandwidth to provide distributed environment mapping using a plurality of mobile sensor-equipped devices. According to a first aspect, there is provided a method of determining a global position of one or more landmarks on a global map, the method comprising the steps of determining one or more differences between sequential sensor data captured by one or more moving devices; determining one or more relative localisation landmark positions with respect to the one or more moving devices; determining relative device poses based one or more differences between sequential sensor data relative to the one or more relative localisation landmark positions; and determining a correlation between each device pose and the one or more relative localisation landmarks positions.

Abstract: An ophthalmic lens includes a first region corresponding to a first area of an optical surface of the ophthalmic lens and a second region corresponding to a second area of the optical surface of the ophthalmic lens different from the first area The second region has an optically-switchable component switchable between a first optical state and a second optical state different from the first optical state. In the first optical state the second region partially scatters or defocuses light incident on the second area.

Abstract: A system includes a radiation source and a controller. The controller is configured to designate, for irradiation, multiple target regions on an eye of a patient, and to perform an iterative process that includes, during each iteration of the process, acquiring an image of the eye, based on the image, calculating a location of a different respective one of the target regions, processing the image so as to identify any obstruction at the location, and provided no obstruction at the location is identified, causing the radiation source to irradiate the location. Other embodiments are also described.

Abstract: In a method for determination of properties of cuttings from rock drilling the cuttings are crushed between at least two rollers, at least one roller being driven by a motor. A mechanic specific energy of the cuttings is determined by measuring the energy applied by the motor.

Abstract: A system for mapping a lane mark for use in autonomous vehicle navigation is provided. The system includes at least one processor programmed to: receive two or more location identifiers associated with a detected lane mark; associate the detected lane mark with a corresponding road segment; update an autonomous vehicle road navigation model relative to the corresponding road segment based on the two or more location identifiers associated with the detected lane mark; and distribute the updated autonomous vehicle road navigation model to a plurality of autonomous vehicles.