Abstract: An image capturing optical lens assembly includes six lens elements, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, and a sixth lens element. The first lens element with positive refractive power has a convex object-side surface and a concave image-side surface. The third lens element with negative refractive power has a convex object-side surface and a concave image-side surface. The sixth lens element has an aspheric object-side surface and an aspheric concave image-side surface, and the sixth lens element has at least one inflection point on the image-side surface thereof.

Abstract: A variable transmission film may include an electrophoretic medium having a plurality of capsules and a binder, each capsule containing a plurality of electrically charged particles and a fluid, the charged particles being movable by application of an electric field and being capable of being switched between an open state and a closed state. The film may include at least one of a binder containing fish gelatin and a polyanion; a binder containing one or more tinting agents; capsules containing charge control agents, such as an oligoamine-terminated polyolefin and a branched chain fatty acid comprising at least 8 carbon atoms; a selection of capsules in which at least 60% have a diameter between 50 ?m and 90 ?m and at least 15% have a diameter between 20 ?m and 49 ?m; a tinted adhesive layer; and a fluid selected from one or more nonconjugated olefinic hydrocarbons.

Abstract: An optical device comprising a lens configured to be disposed in an eye. The lens is configured to contact a sclera of the eye and have a clearance above a cornea of the eye when disposed in the eye. The lens comprises a back surface that comprises at least one non-symmetrical feature that is configured to engage a corresponding feature on the eye. The lens is configured to be rotationally stable in use based on the at least one non-symmetrical feature on the back surface of the lens.

Abstract: Electrochromic devices and methods may employ the addition of a defect-mitigating insulating layer which prevents electronically conducting layers and/or electrochromically active layers from contacting layers of the opposite polarity and creating a short circuit in regions where defects form. In some embodiments, an encapsulating layer is provided to encapsulate particles and prevent them from ejecting from the device stack and risking a short circuit when subsequent layers are deposited. The insulating layer may have an electronic resistivity of between about 1 and 108 Ohm-cm. In some embodiments, the insulating layer contains one or more of the following metal oxides: aluminum oxide, zinc oxide, tin oxide, silicon aluminum oxide, cerium oxide, tungsten oxide, nickel tungsten oxide, and oxidized indium tin oxide. Carbides, nitrides, oxynitrides, and oxycarbides may also be used.

Abstract: An optical imaging lens assembly includes, in order from an object side to an image side: a first, a second, a third, a fourth, a fifth and a sixth lens elements. The first lens element has negative refractive power. The second lens element has an object-side surface being concave in a paraxial region thereof. The third lens element has an object-side surface being convex in a paraxial region thereof. The fifth lens element with negative refractive power has an object-side surface being concave and an image-side surface being convex in a paraxial region thereof. The sixth lens element has an image-side surface being concave in a paraxial region thereof. At least one of an object-side surface and the image-side surface of the sixth lens element has at least one critical point in an off-axis region thereof, wherein both the surfaces of the sixth lens element are aspheric.

Abstract: The invention relates to a display device, in particular a head-mounted display or hocular, having a spatial light modulator and a controllable light-deflecting device for generating a multiple image of the spatial light modulator, which consists of segments, the multiple image being produced at least with a predefinable number of segments which determines the size of a visible area within which a 3D-scene holographically encoded in the spatial light modulator can be reconstructed for observation by an eye of an observer.

Abstract: A lens module and a capturing module integrating a focusing mechanism and an assembly method therefor. A lens module (1010) comprises at least one optical lens (1011), a focusing mechanism (1012), and a supporting structure component (1013). Each optical lens (1011) is mounted in an accommodating cavity of the supporting structure component (1013) in a height direction of the supporting structure component (1013). The supporting structure component (1013) is connected inside of the focusing mechanism (1012) as a carrier of the focusing mechanism (1012). The supporting structure component (1013) moves as the focusing mechanism (1012) is powered, and is thereby suitable for focusing. By replacing a carrier and a lens cone of a conventional focusing mechanism with the supporting structure component (1013), an overall assembly process is simplified, the yield and quality of a module are improved, and the manufacturing costs are reduced.

Abstract: A method, implemented by computer means, for ordering an optical equipment comprising at least a spectacle frame suitable for a wearer, the method comprising: a wearer data providing step during which wearer data relative to a wearer parameter are provided, a optical equipment data providing step during which optical equipment data relative to at least the spectacle frame of an optical equipment selected by the wearer are provided, a mounting data determining step during which mounting data representative of the spectacle frame being mounted on the wearer's head are determined by taking into account at least said wearer's data and said optical equipment data, a display step during which the mounting data are displayed in a visually understandable mode.

Abstract: An adjustable optical lens, a camera module and an aligning method thereof are disclosed. The adjustable optical lens includes at least one lens element and an optical structure element. Each of the lens elements is successively and overlappingly arranged in an photosensitive apparatus of the optical structure element, wherein at least one of the lens elements is configured as an adjustable lens element whose assemble position is adjustable. The optical structure element has at least one adjusting channel and at least one fixing channel for adjusting and fixing the adjustable lens element respectively.

Abstract: One or more eyepiece lenses, one or more observation apparatuses and one or more imaging apparatuses are discussed herein. In at least one embodiment, an eyepiece lens comprises, in order from an object side to an observation side, a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens having a positive refractive power, a fourth lens having a negative refractive power, and a fifth lens having a positive refractive power, wherein a focal length of the fifth lens is shorter than a focal length of the third lens, and the focal length of the third lens is shorter than a focal length of the first lens.

Abstract: A camera module is provided, including a lens driving mechanism, a lens unit, a housing, and an elastic member. The lens unit is disposed on the lens driving mechanism. The housing surrounds the lens driving mechanism. The elastic member is connected to the lens driving mechanism and comprises a metal base, a first insulation layer, and a first metal wire. The first insulation layer is disposed between the metal base and the first metal wire, and the first metal wire is electrically connected to the lens driving mechanism.

Abstract: This invention relates to testing and determining a threshold value used in psychometric testing in field of ophthalmology, neuro-ophthalmology and visual neuropsychology. The method comprises at least the following steps: a) displaying a symbol with a distinctive visual appearance and with a stimulus level to a display at a stimulus time-point, the symbol selected from a group of possible symbols, b) monitoring if a response is given on a response device with multiple choices, each choice representing a possible visual appearance or location of the symbol, and b1) if a response is not given in a response time-limit from the stimulus time-point, increasing the stimulus level of the symbol by a predetermined step and returning to step a), or b2) if a response is given in the response time-limit from the stimulus time-point, comparing the response to symbol displayed in step a), and c1) if the response does not correspond to the symbol displayed in step a), producing, e.g.

Abstract: In described embodiments, a device and method for diagnosing brain and neurological issues is provided. The device measures the performance of Convergence, Divergence, and binocular tracking capabilities of a subject's eyes, which can be used to determine whether a subject has experienced a brain or other neurological event.

Abstract: This group of inventions relates to a field of applied electric chemistry, namely, devices based on modified electrochromic compounds and method of their manufacturing, more specifically, to electrochromic devices comprising electrodes, at least one of which is optically transparent, said electrodes forming an enclosed space filled with a solution which includes an aprotic inert solvent, or their mixtures, an acrylic and/or methacrylic unsaturated oligomer-monomer composition, a cathodic material comprising pyridine, an anodic material, a photo initiator, an adhesive and indifferent electrolytes. According to the invention, the electrochromic solution also comprises an optical brightener selected from the range of aromatic or heterocyclic series and/or their mixtures, an antioxidant selected from the range of sterically hindered phenols and/or their mixtures. The achieved technical result is increased service life of the electrochromic device.

Abstract: An optical lens including, in order from an object side to an image side, a first lens having a negative refractive power, a second lens having a negative refractive power, a third lens, a fourth lens having a positive refractive power, a fifth lens having a negative refractive power, and a sixth lens having a positive refractive power, wherein the second lens has a concave object side surface.

Abstract: A method and system for adjusting focusing length to enhance vision of a user. A method for adjusting focusing length includes controlling an object to be displayed and adjusting a focusing length indicating distance to a lens from a virtual surface where eyes of user are located by changing at least one optical property of then lens based on vision setting information while an object is displayed.

Abstract: A relay lens system for transmitting an image from a distal end of the relay lens systems to a proximal end of the relay lens system including a plurality of imaging devices with in each case one or more lenses, wherein each imaging device of the plurality of imaging devices images a real intermediate image distal to the imaging device into a further real intermediate image proximal to the imaging device. The plurality of imaging devices has a plurality of first imaging devices and a second imaging device. The first imaging devices each have a chromatic aberration. The chromatic aberration of the first imaging devices is corrected by the second imaging device. The second imaging device is arranged between the first imaging devices.

Abstract: The invention relates to an electronic circuit (100) for controlling charging of a piezoelectric load (190). The electronic circuit comprises a charge pump (111) configured to supply a charging current to the piezoelectric load dependent on a charge control signal (131), a measurement circuit (113) configured to obtain a load voltage corresponding to a terminal voltage at a load terminal of the piezoelectric load, a comparator circuit (114) configured to compare an adjustable reference voltage with the load voltage. The electronic circuit is configured to determine the charge control signal dependent on the comparison so that the control signal controls delivery of the charging current dependent on the comparison. The electronic circuit is further configured to set the adjustable reference voltage to a target voltage (VT) and to set the adjustable reference voltage to a low limit voltage (Vlow), being lower than the target voltage, when the load voltage reaches the target voltage.

Abstract: An optical system of the present invention includes a plurality of lenses inclusive of an aspheric lens having an aspheric surface. A light absorption portion having thickness distribution in a direction perpendicular to an optical axis of the optical system is provided on the optical axis. Here, a refractive index of the aspheric lens, a refractive index of the light absorption portion, an aspheric sag amount of the aspheric lens, an aspheric sag amount of the light absorption portion, a height of a position in the aspheric lens through which a marginal ray of an axial ray passes, and a height of a position in the light absorption portion through which the marginal ray of the axial ray passes are each appropriately set.

Abstract: Postoperative lens position is predicted on the basis of known measured values, such as the corneal thickness, the depth of the anterior chamber, the eye length, and the distances of the capsular bag equator and/or of the lens haptic from the anterior surface of the lens. In addition, the calculation also takes into account the attitude of the intraocular lens, for which purpose additional parameters of the pseudophakic eye are used that have not previously been taken into consideration. The proposed method is suitable for a more exact prediction of the strength and nature of an intraocular lens to be implanted in a pseudophakic eye in the context of cataract surgery or of a refractive intervention. The method is based on the use of suitable calculation methods, e.g. geometric optical formulae, or of ray tracing.