Abstract: A modular facade and eyewear includes: a) a central frame with two eyeglass supporting members, lens and a bridge member; b) lenses, c) at least two temple members, hingedly and connected to the frame; d) a lens-free facade member removably attached to the central frame. A stand-alone facade for eyewear has attachment mechanisms and a central alignment component. A user may wear the modular eyewear with or without the facade and with matching, non-matching or substitute facade members.

Abstract: Present embodiments provide for a mobile device and an optical imaging lens thereof. The optical imaging lens comprises six lens elements positioned sequentially from an object side to an image side. Through controlling the convex or concave shape of the surfaces of the lens elements and designing parameters satisfying at least one inequality, the optical imaging lens shows better optical characteristics and the total length of the optical imaging lens is shortened.

Abstract: A variable-focus lens system that includes a lens assembly having an electrowetting liquid lens that can be wrapped onto a curved surface such as a lens without distorting a chamber holding the electrowetting liquid lens is provided. The lens assembly includes a container body having a cup, in which the chamber is defined, and supports that extend in different directions from the cup. A flexible base substrate is arranged under the container body. Both the container body and flexible base substrate may be made from a soft polymer material and made using low-temperature fabrication processes. The flexible base substrate may be thinner than the container body and provide a relatively large surface area that engages the curved surface such that the stresses associated with wrapping a micro lens assembly onto the curved surface may be primarily absorbed by the flexible base substrate.

Abstract: A control system for mirror in a vehicle as well as a method for controlling the side mirrors of a vehicle are disclosed. The control system may include a processor module and a memory module as well as a control console. The control console may include a mirror toggle switch, a mirror control switch, and two sets of memory recall switches. The first set of memory recall switches may be associated with set side mirror positions in a first operation state of the vehicle, which could for instance occur when the vehicle is operating in a drive gear. The second set of memory recall switches may be associated with set side mirror positions in a second operation state of the vehicle, which could for instance occur when the vehicle is operating in a reverse gear.

Abstract: A fundus photographing apparatus includes: a photographing unit including a fundus illumination optical system to illuminate a fundus of a patient's eye and a fundus photographing optical system having a light receiving element to obtain a fundus image of the illuminated eye; and an alignment unit to position the photographing unit with the eye based on a predetermined alignment reference position. The alignment unit includes: an extracting part to extract, by image processing, an image region formed by reflection light from a portion other than the fundus from the fundus image obtained by the fundus photographing optical system; a gravity center calculating part to determine, by arithmetic processing, a gravity center position of the extracted image region; and a control part to perform alignment control of the photographing unit with the eye based on the calculated gravity center position and the alignment reference position.

Abstract: An imaging lens substantially includes seven lenses, constituted by: a first lens having a positive refractive power and a convex surface toward an image side; a second lens having a negative refractive power; a third lens having a positive refractive power; a fourth lens; a fifth lens having a positive refractive power; a sixth lens; and a seventh lens having a negative refractive power, a concave surface toward an image side, and at least one inflection point in the surface toward the image side; provided in this order from an object side. All of the first lens through the seventh lens are single lenses.

Abstract: Retroreflective articles and methods of making the same, wherein the retroreflective articles (10) include composite cube-corner elements (12) having a first light transmissive polymeric layer (30), a second light transmissive polymeric layer (32), and an interface therebetween, wherein the first light transmissive polymeric layer has a first index of refraction, the second light transmissive polymeric layer has a second index of refraction, and the first and second indices of refraction have an absolute difference of at least 0.0002.

Abstract: A lens device comprising a barrel body which movably holds a focus lens in an optical axis direction; a focus ring provided on an outer circumferential part of the barrel body and having a regulated rotation range; a rotation position detecting unit which detects a rotation position in the rotation range of the focus ring; a touch sensor provided on the outer circumferential part of the barrel body so as to be adjacent to the focus ring; and a control device which perform absolute position control of moving the focus lens to an absolute position corresponding to the rotation position detected by the rotation position detecting unit and relative position control of moving the focus lens to a relative position corresponding to a sliding amount on the touch sensor on an outer circumferential surface in a circumferential direction.

Abstract: A zoom lens includes a negative first lens group, an aperture, and a positive second lens group. The first lens group includes a negative first lens, a negative second lens, and a positive third lens. The second lens group includes a positive fourth lens, a negative fifth lens, a negative sixth lens, and a positive seventh lens, wherein the fifth lens is formed by adhering a positive lens and a negative lens, and the sixth lens is a meniscus lens. The zoom lens can be switched toward a telephoto mode from a wide mode by moving the second lens group from the image side toward the object side.

Abstract: A lens module may include a first lens having positive refractive power, a second lens having positive refractive power, a third lens having refractive power, a fourth lens having positive refractive power, a fifth lens having negative refractive power, and a sixth lens having negative refractive power and having one or more inflection points formed on an image-side surface thereof. An overall focal length of the lens module f and a focal length of the first lens f1 may satisfy the following Conditional Expression: 1.0<f1/f<2.0??[Conditional Expression].

Abstract: A lens driver or lens driver circuitry for an ophthalmic apparatus comprising an electronic system which actuates a variable-focus optic is disclosed herein. The lens driver is part of an electronic system incorporated into the ophthalmic apparatus. The electronic system includes one or more batteries or other power sources, power management circuitry, one or more sensors, clock generation circuitry, control algorithms and circuitry, and lens driver circuitry. The lens driver circuitry includes one or more power sources, one or more high voltage generators and one or more switching circuits.

Abstract: An image projection method and a microelectromechanical system (MEMS) image projection apparatus are provided. The image projection method controls a MEMS scanning mirror swinging around a first swing axis to project an image light beam. The image projection method includes following steps. A resonance frequency and a damping coefficient of the MEMS scanning mirror at swinging are measured to calculate a first amplitude scale and a first maintaining period, and a periodic wave signal is generated accordingly. The periodic wave signal is output to the MEMS scanning mirror for controlling the MEMS scanning mirror to swing, and a swing speed error thereof is recorded. By adjusting the first amplitude scale and the first maintaining period, the periodic wave signal is also adjusted, and the corresponding swing speed error is recorded. According to the recorded swing speed errors, the corrected periodic wave signal is generated for controlling the MEMS scanning mirror.

Abstract: A plastic lens 1 has a lens 2 that effectively functions as a lens at a center and an annular flange 3 that does not act as a lens along a circumference of the lens. A gate 4 serving as a flow channel through which molten plastic is to be poured during molding is formed on a circumference of the flange. The gate is cut and taken away at an angle of inclination so as to include a point of intersection between the gate 4 and the circumferential flange 3, whereby a circumferential flange having a given thickness or more is formed.

Abstract: A lens focusing device includes a lens holder for holding a lens therein, a base, and an electrically conductive spring member elastically connected to between the lens holder and the base. The base is provided on a side wall with two terminal recesses, in which two connecting terminals are disposed. The connecting terminals respectively include a first terminal portion forward extended along a light axis to electrically connect to the spring member, a second terminal portion rearward extended along the light axis, and a connecting portion located between the first and the second terminal portion. The spring member is further electrically connected to two ends of a winding wound around the lens holder, so that external electric current can be supplied to the winding via the connecting terminals and the spring member for driving the lens holder to move relative to the base along the light axis.

Abstract: A zoom lens and a photographing apparatus including the same. The zoom lens includes, in an order from an object side: a first lens group having negative refractive power; a second lens group having positive refractive power; a third lens group having positive refractive power; and a fourth lens group having an iris on a side of the fourth lens group closest to the object side and positive refractive power, wherein, while zooming from a wide angle position to a telephoto position, the first through fourth lens groups are moved such that the interval between the first and second lens groups increases, the interval between the second and third lens groups decreases, and the interval between the third and fourth lens groups decreases, and focusing is performed by moving the third lens group.

Abstract: Certain exemplary embodiments can provide a system, machine, device, manufacture, circuit, composition of matter, and/or user interface adapted for and/or resulting from, and/or a method and/or machine-readable medium comprising machine-implementable instructions for, activities that can comprise and/or relate to, switch a diffractive first electro-active lens from a first power state corresponding to a first optical power to a second power state corresponding to a second optical power that differs from said first optical power.

Abstract: An image display apparatus obtains a plurality of moving images obtained by capturing a plurality of imaging areas of a fundus, and a wide field of view image obtained by capturing an area including the plurality of imaging areas of the fundus. Each of the plurality of moving images is associated with pulse data based on a biomedical signal obtained in capturing the moving image. The image display apparatus superimposes and displays at least one frame of each of the plurality of moving images at a position on the wide field of view image, which is determined based on information about the positions of the plurality of imaging areas. In the superimposing/display operation, the image display apparatus displays the plurality of moving images at a display timing synchronized based on the pulse data.

Abstract: A lens focusing device includes a lens holder, a winding fitted around the lens holder, and an outer case enclosing the lens holder therein. The outer case includes an outer wall portion, and multiple inner wall portions connected to the outer wall portion via multiple connecting portions. The inner wall portions are located between the lens holder and the winding, and respectively include an inner surface, an outer surface, and a first and a second side surface. The lens holder is formed on an outer face with confining areas, each of which includes a main surface and a first and a second raised side surface respectively facing against the inner surface and the first and second side surfaces, so that the inner wall portions are limited to move relative to the lens holder only within the confining areas. Therefore, the lens focusing device is impact-resistant and undue-twisting protected.

Abstract: An emitter-detector pair sensor may be incorporated into a powered or electronic ophthalmic lens. The emitter-detector pair sensor may be configured to determine the distance from the sensor to an object in its path. Based upon this information, a system controller of the ophthalmic lens may output a signal to an actuator of the ophthalmic lens to control a variable power optic of the ophthalmic lens.

Abstract: The eyewear storage assembly includes a clip. The clip has an exterior edge extending between a top side and a bottom side of the clip. The clip may be coupled to an article of head gear. A tab is coupled to the clip. The eyewear is positioned between the tab and the article of headgear. The eyewear is retained on the article of headgear for storage.