Abstract: An eyeglass-shaped frame includes: a pair of lens-holding frames configured to hold lenses; a bridge connecting the pair of lens-holding frames; a temple foldably attached at a front end side thereof; a nose pad configured to support a nose in contact; movable lens-holding frames configured to be placed oppositely in front of the lens-holding frames; and a vertical movement unit configured to vertically move each of the movable lens-holding frames.

Abstract: An eyewear system for supporting lenses in front of a person's eyes includes a resilient or malleable frame having two opposing ends each fixed with a lower frame and an upper frame that each include two rims mutually affixed at a central bridge. The frame further includes two elongated temples that project rearwardly away from the frame, and two nose pad mounts with nose pads that each projects rearwardly away from one of the lower rims. As such, with the lenses each engaged with the rims, the lower rims and the upper rims sandwich and retain the lenses therebetween. A bridge coupler attaches with the upper bridge and the lower bridge to lock together the relative position of the upper bridge and the lower bridge to retain the lenses within the frame. Interchangeable parts can attach to the nose pad mounts, frame and temples to provide a unique appearance.

Abstract: A lens mount apparatus comprising a first lens component and a second lens component joined integrally with the first lens component, resulting in mechanochemical attachment of the second lens component with 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: There is provided a frame support member for eyewear having a frame, with the frame including a nose bridge. The frame support member includes an attachment portion at a first end thereof for coupling the frame support member to the nose bridge of the eyewear, and a nose engaging portion at a second end thereof. The frame support member is configured to position the nose engaging portion below and behind the nose bridge for supporting the eyewear on a user. There is also provided eyewear that includes a frame for supporting at least one lens, a nose bridge for supporting the frame on a user, and the frame support member as herein described.

Abstract: A head-mounted display according to an embodiment of the present technology includes a main body, a nose pad, and a holding mechanism. The main body includes a display portion capable of presenting an image to a user and is configured to be mountable on a head of the user. The nose pad is configured to be attachable to and detachable from the main body. The holding mechanism is configured to be capable of holding correction glasses between the main body and the nose pad mounted to the main body, the correction glasses facing the display portion.

Abstract: A rotary smart glasses include a neck band configured to bear electronic components and control means, a spectacles comprising a fixed frame and a movable frame with near-eye displays, a flexible adapter comprising two wires connecting the spectacles and the neck band, wherein the movable frame is secured to the fixed frame by a multi-lever mechanism and is configured to be lifted up relative to the fixed frame and simultaneously to be rotated about its longitudinal axis owing to hinges located in points of securing the levers to the frames. The invention allows lifting near-eye displays over the user's forehead preventing contact between the inner surface of the displays and the forehead, and thus avoiding contamination of the displays. The neck band allows use of more powerful hardware, extra batteries, and/or a microphone array.

Abstract: An eyeglass including a first prismatic lens (2), a second prismatic lens (3) and a frame (4) configured to house the first and the second prismatic lenses (2; 3). The first and the second prismatic lenses (2; 3) are low base yoked prisms having a dioptric power, measured in prism diopters, the same for the two lenses and less than 0.25. The first and the second prismatic lenses (2; 3) are oriented in the same direction.

Abstract: One aspect of the disclosure relates to One aspect of the disclosure relates to eyewear, comprising a frame including a front portion and a pair of temples, each of the temples attached on opposite lateral sides of the front portion; a pair of primary lenses mounted to the front portion; and a pair of auxiliary lenses, each lens of the pair of auxiliary lenses mounted to a lens support slidably connected to a track comprising a groove within one of the temples and extending to the front portion. The auxiliary lenses can be positioned near the temples when not in use or moved to the front of the frame to overlap with the primary lens. The auxiliary lens can include various types of lenses including rigid lens. The auxiliary lenses can be corrective to augment the primary lens or tinted, for example.

Abstract: There is provided a frame support member for eyewear having a frame, with the frame including a nose bridge. The frame support member includes an attachment portion at a first end thereof for coupling the frame support member to the nose bridge of the eyewear, and a nose engaging portion at a second end thereof. The frame support member is configured to position the nose engaging portion below and behind the nose bridge for supporting the eyewear on a user. There is also provided eyewear that includes a frame for supporting at least one lens, a nose bridge for supporting the frame on a user, and the frame support member as herein described. A frame support assembly is also provided, which includes the frame support member and an extender to be coupled to the eyewear frame.

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: Prosthetic capsular devices (e.g., bag, bowl, housing, structure, cage, frame) include technology devices such as a computer, virtual reality device, display device, WiFi/internet access device, image receiving device, biometric sensor device, game device, image viewers or senders, GPSs, e-mail devices, combinations thereof, and/or the like. The technology devices can be used in combination with an intraocular lens. The output from the technology device(s) can be fed to the retina of the user to provide a visual image, can be otherwise connected to the user, and/or can be used to control the properties of the intraocular lens or of the prosthetic capsular device.

Abstract: A 3D display system is provided. The 3D display system includes a shutter glasses, a display apparatus and a transmitter module. The shutter glasses includes a left eye shutter and a right eye shutter. The shutter glasses controls a switching frequency of the left eye shutter and the right eye shutter according to a radio frequency signal. The display apparatus alternately displays left and right eye images according to an update frequency. The transmitter module detects the update frequency and provides the radio frequency signal to the shutter glasses when detecting that the update frequency has changed, wherein the radio frequency signal includes the changed update frequency.

Abstract: A glasses structure that receives a variety of lens element types including full-frame, half-frame and frameless lens elements. A temple that receives a connector on the lens element includes a kerf-like slotted spring lock, that releases under pressure to allow the insertion of the lens element and once inserted, provides sufficient force to retain the lens element in position even during athletic activity. The lock includes an interior space that includes latches. The lens element includes catches and detents that correspond to the latches. In operation, the lock is forced into the open position as the catches of the lens element are forced to the backside of the latches, and as the lock closes, the latches are forced into the detents thereby securing the lens to the lock.

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 eyeglasses enabling quick exchange of lenses is provided, in which the lower frame thereof mainly has two lens mounting apertures respectively provided at two sides for mounting lenses. First pivot connectors are provided at middle portion of the lower frame. A fastening member has second pivot connectors which are pivotally connected with the first pivot connectors. A snap-fit hook is provided on the upper end of the fastening member. An upper frame is to be fitted on the upper edge of the lower frame by fastening its two assembly portions provided at both sides of the upper frame to both sides of the lower frame. The upper frame has a snap-fit recess corresponding to the snap-fit hook provided at the middle portion thereof By turning the snap-fit hook upward or downward, the exchange of lenses can be easily conducted without using any tool for disassembly.

Abstract: A system for conferring optically corrective characteristics to non-optically corrective eyewear that includes: protective eyewear having at least one non-optically corrective lens; and at least one optically corrective lens that is adapted to be removably mounted on the non-optically corrective lens. The optically corrective lens further includes a thin, flexible film having predetermined optical characteristics; and one or more attachment means for attaching the flexible film to the non-optically corrective lens.

Abstract: Snap-fit type eyeglasses include a frame having a bottom edge. The bottom edge includes a groove having a downwardly facing opening. A stop is provided on each of two ends of the groove. A temple is pivotably mounted to each of two ends of the frame. A snapping member is pivotably mounted to each end of the frame and has a snapping hook on an end thereof. A lens unit includes two lenses integrally formed with each other as a single, monolithic piece. The lens unit includes two ends each having a slot. The snapping hook of each snapping member is releasably engaged in one of the slots of the lens unit. Each temple and one of the snapping members are pivotable relative to the frame about a common pivot axis.

Abstract: A pair of multi-purpose eyeglasses is revealed. It has a pair of eyeglasses having a mounting stand provided on the upper end of a nose pad, the mounting stand having a buckling portion and positioning portion provided thereon; and an auxiliary lens frame having a buckling rod provided at the front end of a nose bridge connecting two lens holding sub-frames, the buckling rod being press-fitted and fixed into the buckling portion. The eyeglasses may he a pair of sports sunglasses or a pair of ski goggles. The eyeglasses and the auxiliary lens frame can be easily and quickly assembled with or disassembled from each other according to a user's intention.

Abstract: A pair of eyeglasses includes a frame, two lenses, two first magnets, two temples, and two fasteners. The frame includes two lens-holding portions and two magnet-seats. The lenses are held by the lens-holding portions, respectively. The first magnets are disposed at the magnet-seats respectively. The temples are connected with two sides of the frame respectively. The fasteners, each having a second magnet, are pivoted on the frame, and are rotatable with respect to the frame, so that the respective first magnet and the respective second magnet attract each other to fix the respective lens.

Abstract: An eyeglasses enabling quick exchange of lenses is provided, in which the lower frame thereof mainly has two lens mounting apertures respectively provided at two sides for mounting lenses. First pivot connectors are provided at middle portion of the lower frame. A fastening member has second pivot connectors which are pivotally connected with the first pivot connectors. A snap-fit hook is provided on the upper end of the fastening member. An upper frame is to be fitted on the upper edge of the lower frame by fastening its two assembly portions provided at both sides of the upper frame to both sides of the lower frame. The upper frame has a snap-fit recess corresponding to the snap-fit hook provided at the middle portion thereof By turning the snap-fit hook upward or downward, the exchange of lenses can be easily conducted without using any tool for disassembly.

Abstract: An assembly structure for subsidiary frame of eyeglasses is provided. A nose pad bracket provided on an eyeglasses major body has an engaging portion having female snap-fit portions provided at both sides thereof to fit with male snap-fit portions on the subsidiary frame. Further, an abutting segment is extended from the surface of a recessed portion on the subsidiary frame in such a manner as to fit with a recessed groove provided on a protruding portion of a nose bridge section of the subsidiary frame. Therefore, one side of the subsidiary frame is pressed against the lenses of the eyeglasses major body and the other side is firmly abutted with the protruding portion, so as to achieve firm positioning of the subsidiary frame and to protect the subsidiary frame from fall off in using.

Abstract: A prop system for a secondary pair of eyeglasses to be worn over and in front of a primary pair of eyeglasses having a prop portion of substantially rigid material, the prop portion having an inward edge and an outward edge; and an attachment portion disposed on the outward edge wherein the attachment portion is affixable to a secondary pair of eyeglasses thereby providing a prop extending essentially orthogonally and inwardly from the secondary eyeglasses, wherein the prop portion may engage one or more upper surfaces of a primary pair of eyeglasses to support the secondary eyeglasses when placed over the primary pair of eyeglasses in a manner that avoids creating a sensation to a wearer of wearing two pairs of eyeglasses.

Abstract: Eyeglasses, including a frame for supporting the eyeglasses on a user's face, a platform movably connected to the frame, and a plurality of lenses moveable relative to the frame along with the platform, each of the lenses being movably connected to the platform.

Abstract: Eyeglass frame elements may include a bridge and temples, and for an accessory attached to eyeglasses, one or more clips. Each of these elements includes an attachment point to the lens. For this attachment point a terminal portion of a metal wire is received through a first of two apertures formed through a lens adjacent an edge thereof. A remaining portion of the metal wire is received through a second of the two apertures. A first bend in the metal wire between the terminal portion and the remaining portion located is formed between the two apertures. This first bend is adjacent to a surface of the lens. A second bend in the metal wire is formed adjacent the second of the two apertures so that at least part of the terminal portion is adjacent an outside edge of the lens.

Abstract: A system includes human-wearable eyewear that utilizes an imager in communication with displays via a microprocessor to transform the central pixels of an image into a ring shaped image that may be presented on the displays. Patients with macular degeneration may be enabled to visualize the central pixels of an image using their peripheral vision. Various lenses are also disclosed for providing an optical-only solution for producing a ring-shaped image.

Abstract: An attachable/detachable covering lens for covering eyeglass lenses is disclosed. A transparent optical material is suitably shaped to cover at least a portion of an eyeglass lens. The transparent optical material is coupled to the eyeglass lens by adhering means. The adhering means may comprise a viscosity of the transparent optical material. Embodiments of the disclosure provide mechanisms to easily provide attachable/detachable temporary lenses such as a sun-shield, temporary eyesight correction to the prescription lenses for applications such as reading, watching TV, or 3-D movie viewing. Embodiments of the disclosure also provide mechanisms for providing an easily attachable/detachable temporary prescription lens over special purpose glasses.

Abstract: A binocular snap on lens for conventional safety glasses having slits located in front of a user's eyes through which the user can see. The snap on lens is configured to snap onto the safety glasses, and preferably stagnantly sealingly conforms to the safety glasses to create a stagnantly sealed interior space between the snap on lens and the safety glasses. The air in the interior space creates a stagnant air barrier that creates air resistance against airborne particles traversing the interior space and contacting the safety glasses. Another preferred embodiment comprises two monocular snap on lenses, each configured to snap onto a corresponding side of the safety glasses.

Abstract: Sunglasses replaceably attached to conventional spectacles. The sunglasses include a frame, a pair of tinted lenses, and two pair of attachments. The frame replaceably attaches to a frame of the conventional spectacles. The pair of tinted lenses are attached in the frame. The two pair of attachments extend from the frame and replaceably snap the sunglasses onto the frame of the conventional spectacles to eliminate inadvertent movement of the sunglasses relative to the conventional spectacles during use without impinging upon hinges of the frame of the conventional spectacles so as to allow the sunglasses to fold with the conventional spectacles.

Abstract: A clipping device is used to clip and hold one eyeglass frame or multi-eyeglass frames. The clipping device comprises a base, an upper portion and a lower portion. The base includes a top side, a bottom side, a front surface and a back surface. The base, the upper portion and the lower portion are constructed to jointly define a receiving room with multi-receiving sections to hold and clip one frame or multi-frames for eyeglasses.

Abstract: A pair of multi-purpose eyeglasses is revealed. It has a pair of eyeglasses having a mounting stand provided on the upper end of a nose pad, the mounting stand having a buckling portion and positioning portion provided thereon; and an auxiliary lens frame having a buckling rod provided at the front end of a nose bridge connecting two lens holding sub-frames, the buckling rod being press-fitted and fixed into the buckling portion. The eyeglasses may he a pair of sports sunglasses or a pair of ski goggles. The eyeglasses and the auxiliary lens frame can be easily and quickly assembled with or disassembled from each other according to a user's intention.

Abstract: A plastic auxiliary frame magnetically attachable to eyeglasses wherein magnets are positioned such that they magnetically engage the face of the rim surrounding the parent eyeglass frame. The magnets are so positioned that they do not actually touch the rim face so that scratching of the finish on the face is prevented.

Abstract: An eyewear system for supporting one or more lenses on the face. Each lens is supported by receipt between a pair of suction cups on opposing prongs extending from an arm having a ball-end, the ball end received within a socket/cavity in a bridge piece engaged to the nose. The cavities may be formed with multiple apertures to opposing surfaces such that the arm can be rotated about the ball so as to permit the lens to be moved out of the line of site of the wearer. Multiple lenses may be supported in series within the prongs of a lens clip, in which case a double-sided suction cup is positioned between them to properly secure and space them. Removable temple pieces are optionally provided to support the lens over the ear, the temple pieces being engaged to the outside edges of the lens(es) with suction cup enabled lens clips as at the bridge piece.

Abstract: A pair of stereoscopic glasses includes a pair of left and right stereoscopic rims connected to each other and respectively holding stereoscopic optical components used when observing a stereoscopic image, and a stereoscopic frame that includes stereoscopic temples extending rearward from the stereoscopic rims. The stereoscopic frame is provided with an engagement section that is brought into engagement with a rim or a bridge of a frame of glasses already worn by a user in a state where the stereoscopic optical components are positioned in front of lenses of the glasses so that the stereoscopic optical components are positionally maintained in front of the lenses of the glasses.

Abstract: An eyeglass assembly is provided and includes a frame assembly and at least one subframe assembly. The frame assembly has at least one lens and a pair of temples. The frame assembly also has a bridge. A rear side of the frame assembly has at least one member extending outwardly therefrom and wherein the extending member has at least one securing surface. The securing surface has a magnetic member thereon. The subframe assembly has a front side and a rear side. The subframe assembly has at least one arm extending rearwardly therefrom. The arm has a first end secured to the subframe assembly and a second end opposite said first end. The second end has a magnetic member thereon. The subframe assembly is magnetically secured to the frame assembly at least in part by the magnetic members, one of the magnetic members being a magnet and a second of the magnetic members being a material that is attracted to a magnet.

Abstract: Spectacles having two frames magnetically coupled together, the first frame having a pair of temples, and the second frame, located behind the first frame having nosepads. The bridge of the first frame has a rear opening cavity to accept and keep in alignment, the bridge of the second frame. Magnetic means within the rear opening cavity holds the two frames together.

Abstract: A pair of stereoscopic glasses includes a pair of left and right stereoscopic rims connected to each other and respectively holding stereoscopic optical components used when observing a stereoscopic image, and a stereoscopic frame that includes stereoscopic temples extending rearward from the stereoscopic rims. The stereoscopic frame is provided with an engagement section that is brought into engagement with a rim or a bridge of a frame of glasses already worn by a user in a state where the stereoscopic optical components are positioned in front of lenses of the glasses so that the stereoscopic optical components are positionally maintained in front of the lenses of the glasses.

Abstract: A method and device for improving the perceived vision of a person having macular degeneration wherein, a plurality of means is employed to selectively block the reception of a distorted image caused by the impaired eye whereby overall vision is improved.

Abstract: An eyeglass frame assembly adaptable to lenses of different curvatures for holding replaceable optical or sunglass lenses includes an inner frame and an eyeglass frame. The inner frame has a rear periphery and laterals thereof formed as an abutting surface corresponding to a forward receiving area and two lateral linking rooms formed on the eyeglass frame. The inner frame preinstalled with the optical lenses or the sunglass lenses is easily assembled to the eyeglass frame by inserting two laterals of the inner frame into the lateral linking rooms of the eyeglass frame and buckling a middle portion of the inner frame to a corresponding portion of the eyeglass frame, to allow the abutting surface of the inner frame to abut against the matching receiving area of the eyeglass frame. With this design, the inner frame attached to the eyeglass frame can be easily replaced as needed.

Abstract: An auxiliary eyeglass device includes a connecting unit and an auxiliary lens unit. The connecting unit includes an adjustment plate that is at least partly flexible, and an eyeglass-connecting member that is attached to the adjustment plate and that is connected to a primary eyeglass device. The auxiliary lens unit includes a pair of auxiliary lenses that is mounted on the adjustment plate, such that the adjustment plate can be flexed to result in a change in an inclination angle of at least one of the auxiliary lenses relative to the primary eyeglass device.

Abstract: An eyeglass assembly is revealed. The eyeglass assembly includes an eyeglass main body and an accessory frame. A mounting groove is disposed on an upper part of a bridge of the eyeglass main body and two locking slots are respectively arranged at each of two sides on a front surface of the eyeglass main body. Moreover, mounting blocks are arranged at an upper part of a bridge part on a rear surface of the accessory frame. The mounting blocks are mounted into the mounting groove of the eyeglass main body correspondingly. Locking blocks are disposed projectingly on each of two sides of the rear surface of the accessory frame to be mounted into the locking slots of the eyeglass main body. Thereby the eyeglass main body and the accessory frame are respectively assembled with different type of lens and then are fastened with each other tightly by three points.

Abstract: A removable lens eyewear system is provided that substantially prevents accidental or unintended removal, axial movement, linear movement, and rotational movement of a removable lens relative to an eyewear frame, such as in a side-to-side, up-and-down, back-and-forth, and rotational direction, as well as the unintended disconnection of the removable lens from the eyewear frame, while at the same time providing easy, one-handed operation for the engagement and disengagement of the removable lens from the system.

Abstract: In one embodiment of the present invention a system is provided for allowing a consumer to easily match a suitable pair of primary eyeglasses with a suitable pair of auxiliary eyeglasses. In one example (which example is intended to be illustrative and not restrictive), the suitable pair of primary eyeglasses may be matched with the suitable pair of auxiliary eyeglasses without damaging or opening the package which contains the pair of auxiliary eyeglasses. In another example (which example is intended to be illustrative and not restrictive), the system may comprise a package and/or a displayer.

Abstract: This invention is a magnetic pulling type free hanging frame, the pulling type free hanging frame comprises at least a plastic ring and the lens contained in said plastic ring; said plastic ring includes a positioning mechanism which coordinates with the main eyeglass frame; the pulling type free hanging frame also includes at least a magnet, said magnet is inlayed in said plastic ring.

Abstract: A glasses construction includes an auxiliary frame coupled with optical lenses and disposed as needed behind the middle portion of a glasses frame coupled with lenses; and a protective frame disposed behind and snap-engaged with the glasses frame. The glasses frame and the protective frame together limit the position of the auxiliary frame. Two connecting elements, pivotally disposed on two sides of the glasses frame, respectively, are snap-engaged with connecting members extending from the ends of two temples and stopping portions formed beside the connecting members to thereby form a glasses construction. Hence, the combination or separation between the glasses frame and the protective frame, between the glasses frame and the auxiliary frame, or between the two connecting elements pivotally disposed on two sides of the glasses frame and the temples is advantageously characterized by quick positioning or removal by convenient operation.

Abstract: A pair of eyeglasses includes a pair of lenses, an outer border, and a pair of temple arms. The outer border includes two symmetrical mounting portions and a bridging portion linking up the two mounting portions. Each of the mounting portions defines a first through-hole. The outer border further includes a pair of alignment recesses respectively encircling each of the first through-hole and a pair of fixing portions, wherein each of the fixing portions is next to one of the alignment recesses, and the lenses are anchored at the alignment recesses. The eyeglasses further include a pair of inner borders respectively anchored at each of the fixing portions. When the lenses are installed in the alignment recesses, each of the inner borders is anchored at each of the fixing portions and exerted to the edge of the lenses.

Abstract: A fisherman can clip a left reading glass frame to the left side of his visor. He can clip a right reading glass frame to the right side of his visor. He can bend the flex arm connected to the clip to store each lens above the visor in a passive mode. When reading glass focus is needed, perhaps to tie the fly onto the leader, he bends each frame half down in front of his eye and connects the two halves to provide a pair of reading glasses.

Abstract: The present invention provides a glasses construction including: an auxiliary frame coupled with optical lenses and disposed as needed behind the middle portion of a glasses frame coupled with lenses; and a protective frame disposed behind and snap-engaged with the glasses frame. The glasses frame and the protective frame together limit the position of the auxiliary frame. Two connecting elements pivotally disposed on two sides of the glasses frame, respectively, are snap-engaged with connecting members extending from the ends of two temples and stopping portions formed beside the connecting members to thereby form a glasses construction. Hence, the combination or separation between the glasses frame and the protective frame, between the glasses frame and the auxiliary frame, or between two said connecting elements pivotally disposed on two sides of the glasses frame and the temples is advantageously characterized by quick positioning or removal by convenient operation.

Abstract: Safety eyewear has a frame and a lens carrier permanently or removably attached to the frame. The lens carrier includes a prescription insert. The safety eyewear may further include an adjustable length strap and a strap attachment device for attaching the strap to the frame. In some embodiments, the frame may include a vent.

Abstract: An eyewear assembly includes an outer first frame, at least one outer first lens, an inner second frame, and at least one inner second lens. The assembly includes a mechanism for holding the first frame and first lens in front of a user's face. The second frame has a mechanism for attachment to the first frame, to hold the second frame between the user's eyes and the first lens. The at least one second lens is carried by the second frame. The mechanism for attachment comprises a tab extending vertically on one of the first frame or the second frame and an aperture on the respective other of the first frame or the second frame for receiving said tab. The first frame includes a central elevated vent to distribute air over top vent openings of the first frame. Grip warts are provided on the first frame for gripping and manipulation by the user.

Abstract: Provided is a universal joint capable of freely regulating a mounting angle of one member with respect to the other member, and an image display unit using the same. The image display unit (1) includes an image display unit main body (100) having a convex surface (101) forming a part of a specific spherical surface, and an intermediate member (200). The intermediate member (200) includes a guide member (220) having a concave surface (221) that is a curved surface corresponding to the convex surface (101) and is supposed to come into contact with the convex surface (101) when the image display unit main body (100) and the intermediate member (200) are fixed to each other, and a magnet (230) provided at a position substantially the center of the guide member (220) and capable of being fixed to the convex surface (101) by attraction.