Abstract: Disclosed herein is a lens for a wearable projection system. The lens includes a holographic optical element embedded within the lens and covering a portion of the viewable area of the lens. The lens can be manufactured by providing a first lens blank, affixing the HOE to a portion of the first lens blank, and forming a second lens blank on the first lens blank to embed the HOE between the lens blanks.

Abstract: An example ophthalmic device for impedance-based measurements of hydration of the ophthalmic device includes an enclosure having a shape to be worn on an eye, an insert disposed within the enclosure control electronics disposed on the insert, the control electronics coupled to control operation of the ophthalmic device, and a plurality of electrodes disposed within the enclosure and electrically coupled to the control electronics, where the plurality of electrodes are arranged outside of a central optical area of the ophthalmic device, and where each of the plurality of electrodes is electrically coupled to receive a respective voltage from the control electronics to measure an impedance of the enclosure proximate the plurality of electrodes, the measured impedance indicative of a hydration level of the enclosure proximate to the plurality of electrodes.

Abstract: The present disclosure provides a head wearable equipment with an adjustable bone-conductive acoustic device movably coupled to the head wearable equipment and the moving manner at least includes rotation. A technical effect of adaptive adjustment according to the wearer's head form or facial shape can be realized via the structural arrangement of the adjustable bone-conductive acoustic device, with the characteristics of a large adjustable range, strong adaptability, high comfortability and a wide range of application.

Abstract: Conventional eyewear devices such as spectacles typically include one or more refractive lenses. Such lenses may be thick or bulky. According to an aspect of the disclosure, a metalens-based eyewear devices is provided. The eyewear device includes one or more lenses. Each lens comprises a substantially transparent lens body. Each lens further comprises at least one metalens integrated with the body. Each metalens comprises a respective substantially transparent substrate, and a respective plurality of subwavelength structures arranged on the substrate in a pattern to interact with visible light. The lens body may be planar. The lenses of such eyewear (including at least one metalens) may be thinner and/or lighter than conventional refractive lenses.

Abstract: A method for manufacturing a spectacle frame face for a wearer, which method includes digitizing the face of the wearer, designing a virtual model of the front of the frame, including: loading the digitized face; plotting a draft of the front of the frame; from the face: plotting a primary draft according to the curvature of the face in a horizontal plane; plotting a secondary draft according to the curvature of the face in a median plane, constructing a three-dimensional layer from these drafts; cutting a rough form of the front of the frame in the layer; and creating the front of the frame by additive manufacturing.

Abstract: The present invention is to provide a full-frame adhesive anti-fog film structure, comprising: an anti-fog film, which has a front side and a back side opposing the front side; and an adhesive, which is disposed at an edge of the back side and arranged along the edge so as to be frame-shaped. The anti-fog film of the present invention is attachable to a planar, cylindrical or spherical lens through the full frame-shaped adhesive so that not only can the anti-fog film be fully attached to the lens but the full attachment of film also prevents bubbles from forming between the two attached surfaces. Also, an airtight space is formed between the full-frame adhesive anti-fog film structure and the lens to stop heat transfer and prevent fog from being formed, so as to not only provide good vision to users but also reduce the chance that the user will fall prey to an accident if the user's view is blocked.

Abstract: Provided are a method of controlling a wearable device and a wearable device. The method of controlling the wearable device includes: determining whether a sensor provided in the wearable device is in an activated state; controlling an adherency controller for adjusting adherency between the sensor and a body of a user wearing the wearable device based on whether the sensor is in the activated state; and detecting a biosignal via the sensor.

Abstract: Unique 3-PPB monobenzoate analogs useful as plasticizers in polymeric dispersions, such as plastisols, melt compounds, and adhesives among other applications. The analogs are structurally similar to and/or derived from 3-phenylpropyl benzoate and heretofore were not known for use in industrial applications, particularly not as a plasticizer in polymeric applications. Depending on the application, the advantages rendered by the use of the inventive monobenzoate analogs include, among other things, excellent solvating properties and rheology, low viscosity and significantly improved viscosity over time, comparable or improved Tg suppression, set and open times, as well as health, safety and environmental advantages, over traditional plasticizers.

Abstract: Systems, devices, and methods that implement waveguides in curved transparent combiners that are well-suited for use in wearable heads-up displays (WHUDs) are described. Waveguide structures with in-couplers and out-couplers are integrated with curved eyeglass lenses to provide transparent combiners that substantially match the shape, size, and geometry of conventional eyeglass lenses and can, in some implementations, embody prescription curvatures to serve as prescription eyeglass lenses. The waveguides and in-/out-couplers are planar or curved depending on the implementation. WHUDs that employ such curved transparent combiners are also described.

Abstract: A system for automatic eyewear measurement and specification, comprising: at least one mobile sensor carried by a user, a value measurer, in communication with the at least one mobile sensor, configured to measure a plurality of values using the at least one mobile sensor, a behavioral index deriver, in communication with the value measurer, configured to derive at least one behavioral index pertaining to the user, using the measured values, and an eyewear specification generator, in communication with the behavioral index deriver, configured to generate an eyewear specification for the user, using the at least one derived behavioral index.

Abstract: A one-piece, composite eyewear article including a frame having two temples, a top bar and two hinges, the entire frame composed of a single integral piece of solidified thermoplastic consisting of a polymer, a lens situated against, and extending across, the top bar, the lens composed of a single integral piece of optical grade cured liquid silicone rubber consisting of a dimethyl polysiloxane polymer thermoset, and wherein the frame and lens are molded via a two-material molding process, such that the lens auto-adheres to the frame during curing.

Abstract: A slip-resistant eyewear system comprising an eyewear frame generally comprises a nosepiece comprising a nosepiece material configured to couple to a bridge of an eyewear frame. The frame comprises first and second hinges coupled to the eyewear frame which are also coupled to first and second spring-loaded tension adjusters. First and second bows are coupled to first and second tension adjusters. A unitary eyewear retainer comprises a first end configured to couple to the first bow and a second end configured to couple to a second bow such that a tension is maintained on the unitary eyewear retainer when the unitary eyewear retainer extends around a back of a head of a user.

Abstract: Apparatuses, systems for electronic wearable devices such as smart glasses are described. According to one embodiment, the wearable device can include an eyewear body, onboard electronic components, and a core wire. The eyewear body can be configured for wearing by a user to hold one or more optical elements mounted on the eyewear body within a field of view of the user. The onboard electronic components can be carried by the eyewear body and can comprise a heat source that generates heat during electrically powered operation thereof. The core wire can be disposed within the body to form part of a structural framework for at least part of the eyewear body. The core wire can be thermally coupled to the heat source to provide a heat sink for the heat source.

Abstract: Eyewear can be provided that comprises at least one lens, at least one earstem, and a frame with components that interconnect two or more components of the eyewear. The components can include an engagement structure of the lens and a coupling mechanism attached to the frame. The coupling mechanism can include a housing configured to receive the engagement protrusion and a lever mechanism being operative to move between open and closed positions for disengaging or engaging with the engagement protrusion.

Abstract: A wearable device is disclosed according to one embodiment. The wearable device can include an eyewear body, onboard electronic components and a heat transfer device. The eyewear body can be configured for wearing by a user to hold one or more optical elements mounted on the eyewear body within a field of view of the user. The onboard electronic components can be carried by the eyewear body at a first portion of the eyewear body and can comprise a heat source that generates heat during electrically powered operation thereof. The elongate heat transfer device can be disposed within the eyewear body and can be thermally coupled to the heat source. The heat transfer device can extend lengthwise between the heat source and the thermal coupling to transfer heat from the heat source through the eyewear body.

Abstract: The present disclosure provides a smart contact lens for capturing images and a light-transmitting body thereof. The smart contact lens includes a light-transmitting body, an image-sensing module and an image display module. The light-transmitting body has a first view window and a second view window. The image-sensing module diverges from the second view window. The image display module diverges from the first view window. The light-transmitting body has a first transmission path formed between the second view window and the image-sensing module. An external image source that has been received by the second view window is transmitted to the image-sensing module through the first transmission path.

Abstract: Embodiments of the present disclosure provide techniques and configurations for an apparatus for a user's physiological context measurements. In one instance, the apparatus may include a head-fitting component to be mounted at least partly around a user's head, and a sensor disposed on the head-fitting component to generate a signal indicative of a user's physiological context in response to contact with the user's head. The physiological context may comprise a respiration cycle, and the sensor may sense vibration in a portion of the user's head produced in response to the respiration cycle. The apparatus may further include a controller coupled with the sensor, to process the signal and generate data indicative of the physiological context of the user. Other embodiments may be described and/or claimed.

Abstract: A lens mount apparatus comprising a molded first lens component and a second lens component formed integrally with the first lens component through injection-compression molding the second lens component on the first lens component in a secondary operation, resulting in mechanochemical attachment of the second lens component on the first lens component to produce the unitary lens mount apparatus without compromising the lens mount apparatus optics, wherein at least one of the first and second lens components is an optical lens.

Abstract: An intraocular/intraocular lens which automatically adapts in radius to the corneal radius of the eye of a user includes a reversible gel layer. The reversible gel layer includes a contact surface. Radius of curvature of the contact surface changes when under a chemical reaction of the reversible gel layer induced by temperature, light, or acidity, the reaction being reversible.

Abstract: The invention is related to a method of manufacturing of a composite substrate comprising an embedded electronic device by forming in a first substrate a cavity for receiving the electronic device; disposing the electronic device between the first substrate and a second substrate in said cavity; providing a solvent of cellulose acetate in-between the first substrate and the second substrate, maintaining the first substrate and the second substrate in contact together, wherein the electronic device is maintained between the first substrate and the second substrate, forming the composite substrate.

Abstract: Provided are a camera and an electronic device. The camera comprises a camera body (1) and an electrically-controlled liquid crystal light-adjusting layer (13), wherein a lens (11) is provided in the camera body (1), and the electrically-controlled liquid crystal light-adjusting layer (13) is correspondingly arranged outside the lens (11) and configured to allow the lens (11) to receive outside light through the electrically-controlled liquid crystal light-adjusting layer (13); the electrically-controlled liquid crystal light-adjusting layer (13) is electrically connected to the camera body (1) through a switch (14). In the camera provided by embodiments of the present disclosure, an electrically-controlled liquid crystal light-adjusting layer (13) is provided on the front of the lens (11); in a case in which the electrically-controlled liquid crystal light-adjusting layer (13) is turned off, it is not possible to take pictures even if the camera (1) is manipulated by a hacker or a trojan-horse program.

Abstract: An optical notch filter includes a particle layer including nano-particles in a substrate material. The nano-particles are arranged in one or more arrays to provide a nano plasmonic absorption of radiation having a wavelength of 532 nm incident on the filter. The filter exhibits a radiation absorption profile with an absorption maxima of at least 99% at 532 nm for an angle of incidence of between +50° and ?50°, and has a full width half maxima transmission of less than 15 nm.

Abstract: An adaptive optical filter for a spectacle lens, comprising at least two separate zones (10_M, 10_S), each being defined by an instantaneous value of at least one optical property. The optical property (CT) of at least one of the zones (10_M, 10_S) of the adaptive optical filter (10) is variable over time between a maximum value (CTMAX) and a minimum value (CTmin).

Abstract: Aspects of the present invention relate to temple and ear horn assemblies for head worn computers.

Abstract: An eyeglass system including primary glasses and detachably engageable auxiliary glasses. The auxiliary glasses include a first and second auxiliary lens connected together by a bridge. Each lens has an exterior surface, an interior surface, and a peripheral edge extending between the interior and exterior surfaces. An aperture is defined in each of the lenses and this aperture extends between the interior and exterior surfaces, and originates in the peripheral edge and extends for a distance into the lens. A connector is engaged in the aperture in each of the lenses and this connector detachably engages the primary glasses. Preferably, the aperture is keyhole-shaped and the connector includes a boss that is a complementary keyhole shape. The connector may be provided with a magnet that is attracted to a magnet embedded in a lens of the primary glasses.

Abstract: An optical product includes an optical multilayer film on an optical product base, a color of reflected light of the optical multilayer film satisfies a condition of 0.27?x?0.31 and 0.30?y?0.36 in a chromaticity diagram (x,y,Y) of a CIE color system, reflectance is always 1 percent or less in a wavelength range from 420 nanometers (nm) to 680 nm, both inclusive, Y is 0.5 percent or less, and the optical multilayer film has a total of seven layers, in which a first layer is counted from an optical product base side, and odd layers are low refractive index layers and even layers are high refractive index layers, and an optical film thickness of a sixth layer is greater than or equal to 0.530?, and not greater than 0.605? when ? represents a design wavelength (any value in a range from 480 nm to 520 nm, both inclusive).

Abstract: A valve actuator, valve, and method of actuation of a valve are disclosed. The valve actuator includes a shape memory alloy element attachable to a valve body, capable of use with a valve to cause movement of the valve between first and second positions responsive to at least a threshold amount of temperature change of the shape memory alloy element. The valve actuator further includes a negative-differential spring applied to the shape memory alloy element, thereby reducing the threshold amount of temperature change needed to cause movement of the valve between the first and second positions.

Abstract: A reconfigurable eyewear assembly includes a frame member having left and right socket portions each having a generally circular rim defining an interior void, respectively, and being connected by a bridge portion, the left and the right socket portions having a temple connector extending rearwardly from a respective rim. The eyewear assembly includes a pair of temple members having proximal and distal ends, respectively, each proximal end being selectively coupled to a respective temple connector. A coating material is applied to at least a portion of one of the frame member or the temple members, the coating material including one of a whiteboard and a chalkboard.

Abstract: The present invention generally relates to hand made sunglasses, and more particularly to a method and system for making sunglasses from recycled materials, e.g., skateboards.

Abstract: An eyewear frame has a forehead bridge that rests and is supported on a forehead of a user. A lens is mounted to the frame and both the lens and the frame are free of contact with a nose of the user. A pair of temples extends continuously from the forehead bridge and rest on and is supported by sides of a head of the user above ears of the user without touching the ears of the user.

Abstract: An audio communication system configured to be head worn by a user and with at least one communication zone configured to communicate with the at least one other audio communication system through a communications channel that can be open or closed. The audio communication system may comprise at least one audio unit configured to sound an acoustic scene to a user using the audio communication system and which acoustic scene is enabled for inclusion of at least one voice from at least one another audio communication system. The audio communication system may further comprise at least one microphone configured to receive a voice from a user using the audio communication system. There is a field of view in the direction of orientation of the audio communications system.

Abstract: A system for holding and aligning spectacles such that mapping measurements of the optical properties of a lens can be performed with the lens held such that its optical axis is parallel to the incident measurement beam. This may be implemented using three points which define a plane with which a surface of the lens can be aligned. The frame gripper is constructed such that the lens to be measured is free to rotate in space around any axis until clamped by the three alignment pin support arrangement, with the exception of rotation around the optical axis of the lens. This freedom of rotation allows the lens to be positioned on the alignment pin support automatically without the need for operator intervention. The spectacle frame is clamped using a spring loaded caliper device, configured to sequentially align the mechanical center of each lens with the measuring beam.

Abstract: Disclosed is an optical device which includes: optical components configured to be electrically actuated such that light transmission states are variable; a driver circuit for the optical components; a power source unit for driving the optical components; rims for supporting the optical components; temples having front and rear ends and connected at the front ends to the rims; and earpieces formed at the rear ends of the temples. The power source unit includes a secondary battery, and a charge/discharge circuit for controlling charge and discharge of the secondary battery. The secondary battery is provided near the rear end of the temple or in the earpiece.

Abstract: An article for temporarily affixing to the skin of a wearer about the wearer's nose to support eyeglasses worn by the wearer includes a flexible body having a back surface and a front surface, with the back surface including an adhesive for temporarily retaining the article on the skin of a wearer. The body includes a pair of edges that define the width of the body with the body being sized to be disposed on a wearer's nose. A protrusion is disposed on the front surface of the body, with the protrusion extending above a plane defined by the front surface. The protrusion is configured for engaging eyeglasses worn by a wearer when the article is affixed to the wearer's nose to thereby inhibit the eyeglasses from slipping down the wearer's nose.

Abstract: An eyepiece for a head wearable display includes a first lens body having a first interface side in which a first recess is disposed and a second lens body having a second interface side in which a second recess is disposed. The first and second lens bodies are mated together along the first and second interface sides and the first and second recesses are aligned to form a cavity. A lightguide insert is provided that has a shape and a size to fit within the cavity defined by the first and second recesses. The lightguide insert includes an in-coupling region to receive display light into the lightguide insert and an out-coupling region to direct the display light out of the lightguide insert through the first lens body.

Abstract: An eyewear is provided. The eyewear includes lenses interconnected via a lens bridge and a nose clamp connected to the lens bridge or lenses. The nose clamp includes nose pads which are mountable onto a nose of a user, wherein the nose pads are configured for accommodating noses of varying width without substantially affecting a distance between the lenses or their orientation on the face of the user.

Abstract: The present disclosure provides an eyeglass structure having flexible temples, comprising: a main body; and two flexible plastic temples respective connected at two ends of the main body. The two flexible plastic temples each have a front portion proximal to the main body and a rear portion extending from the respective front portion. The degree of flexibility of the rear portions is greater than that of the front portions. The rear portions can be bent to from a support structure for the ear portion of a user. By this configuration the conformity and comfort of the eyeglass structure is improved.

Abstract: Exemplary methods, systems and components enable an enhanced direct-viewing optical device to make customized adjustments that accommodate various optical aberrations of a current user. In some instances a real-time adjustment of the transformable optical elements is based on known corrective optical parameters associated with a current user. In some implementations a control module may process currently updated wavefront measurements as a basis for determining appropriate real-time adjustment of the transformable optical elements to produce a specified change in optical wavefront at an exit pupil of the direct-viewing device. Possible transformable optical elements may have refractive and/or reflective and/or diffractive and/or transmissive characteristics that are adjusted based on current performance viewing factors for a given field of view of the direct-viewing device.

Abstract: Exemplary embodiments enable an enhanced direct-viewing optical device to include customized adjustments that accommodate various optical aberrations of a current user. Customized optical elements associated with an authorized current user are incorporated with the direct-viewing optical device to produce a specified change in optical wavefront at an exit pupil. Possible replacement optical elements may have refractive and/or reflective and/or diffractive and/or transmissive characteristics based on current performance viewing factors for a given field of view of the direct-viewing optical device. Some embodiments enable dynamic repositioning and/or transformation of replaceable corrective optical elements responsive to a detected shift of a tracked gaze direction of a current user. Replaceable interchangeable corrective optical elements may be fabricated for current usage or retained in inventory for possible future usage in designated direct-viewing optical devices.

Abstract: The process of manufacturing of a coated spectacle frames is characterized by the following three main manufacturing processes: A—Bonding of at least one outer layer of coating material (A, C) on at least an inner layer of material having a structural function (B). The result is a coated panel (D); B—Cutting of the spectacle frame (E) from that covered panel (D); C—Bending and shaping of the previously cut spectacle (F). The layers that form the particular coated panel (D) may origin from different combinations of different materials, as indicated in the description and claims.

Abstract: A fundus camera includes three fluidic lenses, each fluidic lens having a chamber configured so as to capable of having a fluid inserted therein or removed therefrom, such that the shape of each of the three fluidic lenses is capable of being changed based on an amount of fluid therein, a refractive or diffractic telescopic system, a Shack-Hartmann sensor configured to automatically control of the amount of the fluid in the chamber of each of the three fluidic lenses, so as to be capable of correcting refractive errors in an eye, and a multifunction camera configured for precision of fundus photography.

Abstract: Safety glasses for experienced cyclists have a small diameter, unobtrusive, adjustable and removable mirror mounted thereon for establishing a rearwardly directed line of sight so that the cyclist can see a vehicle, including an automobile, motorcycle, or another cyclist, approaching from behind. The mirror is mounted on a stem that is magnetically attached to the gasses frame and extends forward from the frame. The magnetic attachment is sufficient to allow ready adjustment of the angle of incidence of light to establish the desired rearwardly directed line of sight and to fix the line of sight in place after adjustment. The glasses frame has a small disc-shaped neodymium magnet of from about 1 to 2 or 3 pounds force pull strength embedded in the face frame to the wearer's left and the mirror stem has a cooperating corresponding magnet mounted opposite the mirror. Larger mirrors may be desirable for use by less experienced cyclists.

Abstract: Embodiments may provide a first device that includes a frame having a first temple and a second temple. The frame may also comprise a housing module coupled (e.g. attached) to a structural member. The first device may further include a first lens and a second lens coupled to the frame and an electronics module that may be located within the housing module. The electronics module may include at least any two of: a power source; a controller; and/or a sensing mechanism.

Abstract: An eyewear frame has a forehead bridge that rests and is supported on a forehead of a user. A lens is mounted to the frame and both the lens and the frame are free of contact with a nose of the user. A pair of temples extends continuously from the forehead bridge and rest on and is supported by sides of a head of the user above ears of the user without touching the ears of the user.

Abstract: A measurement instrument and its associated method of use to record a pupil center position of a person's eye and determine rear vertex distance to a lens. The instrument has a chassis and a free swinging assembly that is pivotably attached to the chassis. The swinging assembly has alignment points that remain in a horizontal plane as the swinging assembly swings. The instrument is attached to a set of eyeglass that are worn on that person's head. A prism is suspended adjacent the eye. The pupil is viewed through the prism. The offset of the viewed image is measured and used to calculate the rear vertex distance.

Abstract: An indicating device (10, 100) for indicating the ametropia progression of a wearer over a predetermined period of time according to at least the type of ophthalmic lens the wearer may use. The device comprises first (12, 120) and second (14, 140) members connected together in a moveable manner. The first member (12, 120) has a first field (22, 220) including a plurality of values of input data and a second field (24, 240) including a plurality of values of output data representative of the ametropia of a wearer. The second member (14, 140) has at least a selection mean (40, 400) and an indication mean. The selection means (40, 400) is arranged to select among movement of the second member (14, 140) a value of the input data corresponding to a wearer.

Abstract: Provided is a super elastic alloy for biological use having a high biocompatibility, good processability and super elasticity, said super elastic alloy being a super elastic zirconium alloy for biological use comprising 27-54 mol % inclusive of titanium, 5-9 mol % inclusive of niobium which is a ? phase-stabilizing element capable of stabilizing the ? phase of zirconium, and 1-4 mol % inclusive in total of tin and/or aluminum which are ? phase-suppressing elements capable of suppressing the ? phase of zirconium, with the balance consisting of zirconium and inevitable impurities.

Abstract: The invention provides an adjustment method for adjusting a binocular display, the display comprising for each eye of the wearer, an optical imager for shaping light beams corresponding to an image emitted by a beam generator device and for directing them towards each of the wearer's eyes so as to enable information content contained in a virtual image to be viewed, the display being associated with a pair of eyeglasses having two lenses supported by a frame. According to the invention, the method consists in moving at least one said lens (10A, 10B) relative to said frame (11) with three degrees of freedom, in order to obtain superposition of the two virtual images, each said imager being contained in said lens (10A, 10B) of said pair of eyeglasses.

Abstract: A plastic material based on cellulose acetate, including at least one plasticizer, in which the plasticizer includes a mixture of a first plasticizer including citric acid esters and at least one second plasticizer selected from the group of organic phosphates, glycerol esters and trimellitic acid esters, the content of the first plasticizer being equal to or greater than the second plasticizer and the aforementioned mixture of plasticizers constituting overall 25-35% by weight of the plastic material.

Abstract: Disclosed herein are industrial goggles. The goggles include a main body having protective glass and formed to correspond to a curvature of a face. A cover is hinged to one side of the front of the main body. A film unwinding roll has a film thereon. An unwinding-roll holding part vertically holds the film unwinding roll on one side of the main body and includes a stationary locking step, a movable locking step, and an elastic spring. A film winding shaft is provided vertically on the other side of the main body to wind the film from the film unwinding roll. A film feeding lever is coupled to the film winding shaft in a gear coupling manner and hinged to the main body. A ratchet means prevents the film feeding lever from rotating in a reverse direction. An elastic support member supports the main body against the face.