3092results about "Spectales/goggles" patented technology

There are provided a method for designing a spectacle lens and a related technique thereof, the method including: a modeling step of dividing a pattern into multiple models with a deviation from a normally worn state of the spectacle lens as decentering, in which a reference model, a decenter model, and a tilt model are prepared as the multiple model; a sensitivity calculation step of calculating a decenter sensitivity and a tilt sensitivity; and a design step of using a base curve value in the vicinity of a balance solution as a base curve of the spectacle lens, wherein a base curve value c [unit: diopter (D)] which is a curvature of a surface in a region H where the on-retinal non-convergence region is not provided on an object-side surface is taken as x-axis, and the decenter sensitivity and the tilt sensitivity [unit: diopter (D)] are taken as y-axis, and an intersection of a plot of the decenter sensitivity and a plot of the tilt sensitivity is taken as the balance solution.

Attachment mechanisms for eyewear are shown and disclosed. In some embodiments, the eyewear includes a lens and a lens locking element fixedly attached to, or formed with the lens. The eyewear additionally includes a frame having at least one surface that contacts at least a portion of a perimeter of the lens. The eyewear additionally includes a frame locking assembly that includes a locking base attached to, or formed with, the frame. The frame locking assembly additionally includes a frame locking element that moves relative to the locking base. The lens locking element and the frame locking assembly are positioned such that, when the at least a portion of a perimeter of the lens contacts the at least one surface, the frame locking element mechanically engages the lens locking element to removably secure the lens to the frame.

A machine for cleaning lenses, like eyeglass lenses. The machine comprises a handling unit for carrying and transferring a lens along a processing path, and at least one processing unit having a processing chamber for processing the lens carried by the handling unit at a processing position along the processing path, wherein the processing unit comprises a cleaning unit having a cleaning chamber as the processing chamber for cleaning the lens. The processing unit is movable along a movement path between: (i) a retracted position in which the lens carried by the handling unit is able to be transferred by the handling unit along the complete processing path outside and relative to the at least one processing unit, and (ii) a receiving position in which the lens carried by the handling unit at the processing position is received in the processing chamber to allow the lens be processed.

It is proposed a lens intended to be worn in front of or on an eye of a wearer and to provide a first refractive power (Rx) for correcting an abnormal refraction of the eye of the wearer; wherein the lens comprises a refractive area configured to provide the first refractive power (Rx) and a functional area configured to provide an optical function; and wherein on a first zone defined on the lens, more than 5% of the surface of said first zone has a local refractive power ranging from the first refractive power (Rx) minus 0.25 diopter and the first refractive power (Rx) plus 0.25 diopter, and more than 25% of the surface of said first zone covers the functional area.

Optical lens intended to be worn by a wearer An optical lens intended to be worn by a wearer comprising: —a refraction area having a refractive power based on a prescription for said eye of the wearer; —a plurality of optical elements having a transparent optical function of not focusing an image on the retina of the eye of the wearer when the optical lens is worn in standard wearing conditions, —a zone of interest comprising a subset of the optical elements, each optical elements in the subset bearing a cylinder component on its surface, wherein the zone of interest is of at least 50 mm2, and the standard deviation of the orientations of the cylinder axis of each optical element comprised in the zone of interest is smaller than or equal to 15° with respect to a common predefined direction.

The invention relates to a method for measuring optical lenses (10) using a device (1) comprising: a detection device (11) arranged on a first side (10a) of the lens (10) with respect to a plane of extension of the lens (10); one or more first radiation sources (12) with which the position of the lens (10) in space is determined; and / or a second radiation source (13) with which a planar refractive power distribution of the lens (10) over the surface is determined. According to the invention, a planar, moving pattern extending through the lens (10) is generated by the second or a further radiation source (13), which is detected by the detection device (11) through the lens (10), and one or more defects (15) on the surface of the lens (10) are detected by the computer unit (14).

An electronic eyewear system has a rechargeable power source housed within a first temple, an electronic component, and a charging interface located at the first proximal end of the first temple for recharging the rechargeable power source using a charger. The rechargeable power source supplies power to the electronic component. A first magnet is disposed in between the first contact and second contact of the charging interface.

A method for designing a spectacle lens and a related technique thereof, including: a modeling step of dividing a pattern into multiple models with a deviation from a normally worn state of the spectacle lens as decentering, wherein a reference model, decenter model, and tilt model are prepared as the multiple model; a sensitivity calculation step of calculating a decenter and a tilt sensitivity; and a design step of using a base curve value in the vicinity of a balance solution as a base curve of the spectacle lens, wherein a base curve value which is a curvature of a surface in a region where the on-retinal non-convergence region is not provided on an object-side surface is taken as x-axis, and the decenter and tilt sensitivities are taken as y-axis, and an intersection of a plot of the decenter sensitivity and the tilt sensitivity is taken as the balance solution.

The present disclosure is directed to methods for manufacturing ophthalmic lenses utilizing a freeform process, the method comprising: machining a lens blank, semi-finished lens blank and / or an intermediate ophthalmic lens precursor to form a surface of the spectacle lens with at least a portion of the surface comprising a curvature for the correction of the myopic prescription of the wearer; machining a pattern of a plurality of optical elements and / or spaces therebetween on the surface of the spectacle lens suitable for delivering an effective optical signal to the retinal receptors of a progressive myope to slow, significantly slow, stop and / or shorten / regress the progression of axial eye length growth; and / or polishing the surface of the spectacle lens; wherein, after polishing the spectacle lens, at least one of the plurality of optical elements may have a relative surface elevation change per millimeter interval substantially greater than at least a portion of the prescription surface over a comparable interval. The present disclosure is also directed devices and systems manufactured using the described manufacturing methods.

A lens cleaning device includes an elongated member having a top surface, a bottom surface, a first end, a second end and a pair of opposing sides. The top surface is constructed from a soft and smooth fabric for cleaning eyeglass lenses, and the bottom surface is constructed from a moisture resistant material. A pair of pockets are be disposed along the distal ends of the bottom surface at locations adjacent to the first and second ends. The pockets including a shape and size for receiving a thumb and finger of a user. High friction nubs are provided along the bottom surface.

A contact lens assembly includes a cup, a dry contact lens that is not for being worn on an eye, a sealing layer removably connected to the cup, and a wetting liquid supply. The sealing layer and the cup jointly form an enclosed space that receives the dry contact lens therein and that does not accommodate any liquid. After at least one of the sealing layer and the cup produces an opening, the cup can receive a wetting liquid from the wetting liquid supply through the opening, such that the dry contact lens is immersed in the wetting liquid to form a wet contact lens that is suitable for being worn on the eye and that has a water content greater than a water content of the dry contact lens.

The present disclosure generally relates to a lens that provides a stop signal for myopia over a substantial portion of a spectacle lens that is being used by a viewer. The present disclosure relates to an apparatus, method, and / or system for applying a stop signal for eye development using a spectacle lens in combination with an array of microlenses. The present disclosure also relates to an apparatus, method, and / or system for modifying incident light through a spectacle lens that utilizes color cues to slow the rate of myopia progression. The present disclosure relates to an apparatus, method, and / or system for applying a stop signal for eye development using a spectacle lens in combination with a refractive optical element and / or a diffractive optical element that provides conflicting or opposing optical signals at wavelengths between 510 nm and 610 nm.

The invention relates to a portable light apparatus configured to be worn by a user, the portable light apparatus comprising a front frame to house eyeglasses and a pair of side frames connected to the front frame, an operating device having at least a battery and at least one auxiliary electronic part having a light device configured to emit light towards the eyeglasses and / or the user's eyes. Further, the invention relates to a charging case for a portable light apparatus and a control system providing remote control for a portable light apparatus.

A ophthalmic lens for inhibiting progression of myopia includes a central zone and an annular zone. The annular zone includes subsurface optical elements formed via laser-induced changes in refractive index of a material forming the annular zone. The subsurface optical elements are configured to modify distribution of light to the peripheral retina of a user so as to inhibit progression of myopia.

A method for making smart glasses includes obtaining a monocoque temple pre-form made as a one-piece seamless shell structure with shell walls enclosing a hollow compartment. The hollow compartment has an open end and a bottom opposite the open end. The method further includes inserting a first pre-assembled smart glasses components module into the hollow compartment through the open end of the hollow compartment and disposing the first pre-assembled smart glasses components module at a bottom of the hollow compartment. The method further includes inserting a second pre-assembled smart glasses components module through the open end of the hollow compartment, electrically connecting the second pre-assembled smart glasses components module to the first pre-assembled smart glasses components module, and attaching the monocoque temple pre-form to a frame of the smart glasses.

A contact lens assembly 100 is disclosed. The contact lens assembly 100 comprises a second lens member 104 located between first and third lens members 102, 106. A structured anterior surface region 110 of the first lens member 102 that defines a diffractive optical element and a posterior surface region 115A of the second lens member 104 together define a first cavity. A structured posterior surface region 112 of the third lens member 106 that defines a diffractive optical element and an anterior surface region 113A of the second lens member 104 together define a second cavity. The posterior and anterior surface regions 115A, 113A of the second lens member 104 do not include a diffractive optical element.

An eyewear apparatus includes a frame; optical element supported by frame; first temple having cavity; first hinge rotatably coupling first temple with respect to frame, wherein first hinge is detachably coupled to first temple using adhesive, and wherein first temple is detachable from first hinge by heating adhesive therebetween; at least one electrical component arranged on at least one of optical element or frame; power source housed inside cavity of first temple, wherein power source is employed to supply electricity to at least one electrical component; supporting part coupled to first hinge, wherein supporting part is configured to support power source thereon and configured to be slidably received inside cavity of first temple; and electrical conductor fitted to supporting part and connecting power source to at least one electrical component.

An ophthalmic lens configured to correct and / or treat at least one condition of the eye (e.g., presbyopia, myopia, hyperopia, astigmatism, binocular vision disorders, night vision image quality, and / or visual fatigue syndrome) comprising: a base power profile; and at least one pulse selected to modify the base power profile.

This invention is eyewear (e.g. eyeglasses) with electrodes (e.g. EEG sensors) which collect brain activity data (e.g. electroencephalographic data) which can be used to predict and / or detect health events (e.g. epileptic seizure, stroke, or heart attack) or function as a BCI (Brain-to-Computer Interface) for communication. There can be anterior and posterior electrodes on the eyewear temple and the temple can have an upward and / or inward curving wave or arm. A posterior electrode can have multiple electroconductive protrusions to help penetrate between strands of hair.

The invention discloses a method for designing a myopia prevention and control lens based on harmonic diffraction. Relates to the technical field of eye vision optics, in particular to the technical field of a myopia prevention and control lens design method based on harmonic diffraction. According to the method, a harmonic diffractive optical lens chromatic aberration correction method and a harmonic diffractive optical lens diffraction efficiency calculation method when shielding is considered are firstly designed, chromatic aberration is effectively eliminated, the diffraction efficiency is evaluated, and then influences of chromatic aberration correction and shielding error manufacturing are balanced by designing a balance optimization model. The method comprises the following steps: designing a diffractive optical element on the refraction surface of a myopia prevention and control lens to obtain a refractive and diffractive optical lens; modulating the harmonic number # imgabs0 # of the refractive and diffractive optical lens to obtain a harmonic diffractive optical lens; designing a chromatic aberration correction method of the harmonic diffractive optical lens; harmonic diffractive optical lenses are designed that take into account additional refractive power and diffraction efficiency at the time of manufacturing shields.

An augmented-reality headset comprises one or more lenses within a housing of the artificial-reality headset, and at least one of the one or more lenses is configured to present an augmented reality user interface to a wearer of the artificial-reality headset. The augmented-reality headset comprises one or more flexures coupled to a lens of the one or more lenses, and each respective flexure of the one or more flexures is configured to: (i) compress when a force is applied to the housing, thereby reducing a load received at the lens, and (ii) be coupled to the lens to orient the lens to have a predetermined orientation within the housing.

The invention relates to the technical field of glasses manufacturing, and discloses a glasses frame manufacturing method based on topological optimization and 3D printing and a frame, and the manufacturing method comprises the following steps: S1, obtaining head data of a user, and designing a lightweight glasses frame structure through topological optimization in combination with a dynamic load condition; s2, seamlessly converting the frame model generated by topological optimization in the step S1 into 3D printing parameters; and S3, manufacturing the lightweight spectacle frame with the partition material according to the topological optimization result of the step S1 by using a multi-material 3D printing technology. By inputting the head data of the user and the dynamic load condition into the topological optimization process, a lightweight frame structure adaptive to the individual wearing requirement can be generated on the premise of meeting the strength requirement, the matching degree of the frame and the facial features of the user is improved, meanwhile, redundant materials are reduced, and the mechanical property is maintained while the lightweight is ensured.

Disclosed is a computer-implemented method for assessing suitability between an optical device and its user, the optical device including an optical lens placed in front of an eye of the user when the user uses the optical device, the optical lens having a plurality of optical zones having different optical functions, the method including at least the following steps: a requesting step, during which the user, equipped with the optical device, is requested to use the optical device in a plurality of different visual situations, each visual situation being associated with an optical zone of the optical lens and during which the user looks at a visual target located in the user's natural environment through the optical lens; and a suitability index assessing step, during which the user assesses a suitability index based on his use of the optical device in the plurality of different visual situations.

The present invention relates to a detachable side shield structure of spectacles, which mainly a side shield unit, arranged at the pivot joint between the temple and the frame, and includes a shielding portion for shielding, a blocking bar protruded from an outer edge, and a snap portion provided on an inner edge of a top surface of the shielding portion. The snap portion has a detachable embedded portion arranged on an inner side thereof, which can correspond to a catching portion at the pivot joint of the temple and engage with each other. The temple is limited through the blocking bar and the snap portion, and the detachable embedded portion of the snap portion and the catching portion on the pivot joint form a detachable latch positioning structure, so that the side shield unit can be firmly coupled to the temple and can be disassembled and assembled as needed.

The present invention relates to a snap-fit structure for spectacle lens and temple, which comprises a spectacle lens with a buckle hole on a side thereof, and a temple with a lens assembly element. A latching member is pivotally connected in a groove of the lens assembly element. When the spectacle lens and the temple are assembled, the side of the spectacle lens is correspondingly engaged with an embedded opening of the lens assembly element, so that the buckle hole of the spectacle lens is put between an elastic piece and a pressing piece of the latching member, and is coupled with a block of the elastic piece correspondingly. When the spectacle lens is separated from the temple, the pressing piece of the latching member is pressed to deflect the latching member by an angle, so that the elastic piece is separatable from the buckle hole of the spectacle lens.

Disclosed is a manufacturing method for a free toric lens, which improves the degree of freedom through point-by-point optimization of a plurality of meridians with different angles in an entire plane. The manufacturing method includes the following steps: S1: constructing a simplified lens-eye model; and S2: determining a focal power F2 and a curvature radius r20 of a vertex. Free toric coefficients of vertical and horizontal meridians are calculated; then due to the rotation symmetry of the lens, it is only considered that in a first quadrant of a curved surface, and the curved surface shape of a free toric surface is determined according to rise data of each point on the taken meridians, so that the manufactured lens is thinner, and clearer in imaging.

An ophthalmic lens (1), a film for use in an ophthalmic lens (1) and a method (500) of manufacturing an ophthalmic lens (1) are described. The lens (1) has an optical axis. The lens (1) comprises a layer (3) provided on a surface of a substrate (5). The layer (3) has a base refractive index and includes at least one gradient index optical element (7a, 7b) having an asymmetric refractive index profile. The at least one gradient index optical element (7a, 7b) focuses light from a distant point source on the optical axis to a point that is a first distance from the optical axis (2).

One of both eyes (e.g., a right eye) is made to view a reference blurred image (Cp), the other of both eyes (e.g., a left eye) is made to view blurred images (Cp+1, Cp+2, . . . ), and information on sensitivity to a difference in blur amount between the blurred images (Cp+1, Cp+2, . . . ) that the other eye was made to view and the reference blurred image (Cp) that the one eye was made to view is acquired. Additionally, the other eye is made to view the reference blurred image (Cp), the one eye is made to view the blurred images (Cp+1, Cp+2, . . . ), and information on sensitivity to a difference in blur amount between the blurred images (Cp+1, Cp+2, . . . ) that the one eye was made to view and the reference blurred image (Cp) that the other eye was made to view is acquired.

Eyeglasses and a high-contrast lens are respectively provided. The lens has a characteristic transmission spectrum within a wavelength range between 380 nm and 780 nm, and the characteristic transmission spectrum has: a first transmission trough, a second transmission trough, and a third transmission trough. A wavelength position corresponding to a bottom of the first transmission trough is between 490 nm and 500 nm, and the first transmission trough has a first minimum transmission rate not greater than 30%. A wavelength position corresponding to a bottom of the second transmission trough is between 592 nm and 598 nm, and the second transmission trough has a second minimum transmission rate not greater than 30%. A wavelength position corresponding to a bottom of the third transmission trough is between 680 nm and 688 nm, and the third transmission trough has a third minimum transmission rate not less than 15%.