Abstract: A display system for a head mounted device (HMD) including a lens comprising a display area on the lens of the HMD, the lens having a base angle and a pantoscopic tilt, a display engine and optics, and a prism to redirect output from the optics to the display area on the lens of the HMD, accounting for the base angle and the pantoscopic tilt.

Abstract: Eyewear can be provided that comprises at least one lens, at least one earstem, and a retention assembly that interconnects the lens with the earstem. The retention assembly can include an engagement protrusion attached to the lens and a coupling mechanism attached to an end of the earstem. 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: Modular spectacles that are assembled and disassembled without the use of tools are disclosed. The modular spectacles comprise a pair of lenses, a middle frame element including a pair of rims for accepting the pair of lenses and a slot on each side, a front frame element with a slot on each side of the front frame element, wherein portions of the front frame element extend over portions of the pair of rims of the middle frame element, a rear frame element similar to the front frame element, and a pair of temples with compressible ends that fit securely within the slots, wherein the lenses are placed within the rims, the middle frame element is placed between the front and rear frame elements, and the temples are inserted into the slots, such that the frame elements are secured together, and the lenses are held in place by the frame elements.

Abstract: A method for repairing a rocker arm including smoothing out a bore in an injector arm of the rocker arm to remove at least a portion of worn threads within the bore, and securing a threaded insert within the bore. The threaded insert may include threads on an internal surface of the threaded insert, a smooth portion on an external surface of the threaded insert, and a flange on an end of the threaded insert.

Abstract: A pair of glasses includes a frame, a lens unit, two temples, and two snap-fit members. The frame includes a lens-holding portion and two connecting seats each having a bump and a projection, and an engagement space is defined between the bump and the projection. The lens unit supported by the lens-holding portion has two through-holes in which the bumps are held. Each snap-fit member relative to the frame is rotatable between a fixed position and a separated position. Each snap-fit member has a resisting portion formed in an internal face thereof, and the resisting portion is held in the engagement space to causes the lens unit to be fixed when each snap-fit member stays in the fixed position. The resisting portion keeps away from the engagement space to make the lens unit not fixed when each snap-fit member stays in the separated position.

Abstract: An eyewear having a quick lens release structure includes a frame, a latching member, an elastic member, and a lens. The frame has a groove including a plurality of slots and a notch. The latching member is disposed in the groove and includes a lever disposed in the notch and a plurality of hooking portions disposed in the slots with portions protruding from slots. The lens is engaged to the frame and has a plurality of hooking portions. One end of the elastic member presses against the latching member, and the other end presses against the groove such that the hooking portions of the latching member and the lens can be coupled and decoupled.

Abstract: A temple assembly of a pair of eyeglasses is coupled to a frame body without screws. The temple assembly of eyeglasses includes a first connecting member and a second connecting member. The first connecting member includes a lever arm portion and a latching portion extended by the lever arm portion along the direction distal from said frame body. The second connecting member includes an elastic portion and an engaging portion extended by the elastic portion along the direction distal from the frame body; wherein the latching portion detachably coupled to the engaging portion, the elastic portion approached elastically to the lever arm portion. Thereby, an end piece of the frame body is rotatably coupled between the lever arm portion and the elastic portion.

Abstract: An earpiece-less eyeglass apparatus and retainer-strap attachment mechanism. First and second attachment mechanisms are mounted on each side of a lenticular frame. Each attachment mechanism includes a stemball assembly, a socket housing, and a spring. The stemball assembly includes a shaft, a narrow neck, and a ball. The socket housing includes a primary socket, a secondary socket, and a narrow slot joining the primary and secondary sockets. The spring is mounted within the primary socket and the slot, and is shaped to form a rounded portion within the primary socket and a narrow restriction portion within the slot for receiving, respectively, the ball and the neck of the stemball assembly. The narrow restriction portion locks the ball into the secondary socket without placing stress on the housing when the neck of the stemball assembly is slid through the slot, moving the ball into the secondary socket.

Abstract: Adjustable focus eyeglasses where the range of adjustment can be moved. That is, if a pair of adjustable focus eyeglasses have a range of 0 diopters to 2.75 diopters (to provide a 2.75 D ADD for reading for an emmetrope), this invention could, for example, permit the user to move the range from 0 D to 2.75 D to 2.00 D to 4.75 D so as to accommodate a short term change in the user's distance vision requirement. Each eye can be adjusted independently.

Abstract: A lens device includes a frame, at least one lens and two fasteners. The frame has at least a lens recess. The lens is embedded in the lens recess, and has an indentation located at an edge of the lens. The fasteners are disposed pivotally to the opposite sides of the frame, respectively, and each have an inner surface, a supporting surface and a hook portion. The inner surface adjoins the supporting surface. The hook portion protrudes from the inner surface. When the fastener rotates so that the hook portion enters into the indentation of the lens, the supporting surface of the fastener is disposed against a side of the indentation.

Abstract: An eyeglasses assembly structure is provided, in which assembly slots for joint members are mainly formed on both sides of the eyeglasses frame, and the joint members are pivotally connected therein. Locating members are respectively interposed between upper and lower elastic elements for holding the pivotal connection status of the joint members and the assembly slots. When the joint members are to be detached from the assembly slots, the locating members are pushed into sliding grooves of the joint members, and the upper and the lower elastic elements are pressed to be deflected inward so as to allow the upper and the lower pivots detached from the pivotal connection with the assembly slots. Therefore, temples or strap can be assembled on the rear ends of the joint members and then the eyeglasses patterns can be conveniently transformed according to users' needs.

Abstract: A pair of eyeglasses includes a frame and two temples. The frame includes two rims whose inner edges are connected with each other. An inner wall of each of the rims has a slot in which the lens is inserted. An outer edge of each rim has a first connecting end and a second connecting end capable of connecting with or being separate from each other. Outer edges of the first and second connecting ends of each rim are respectively configured with connecting portions. A front end of each temple has a connecting recess for containing the two connecting portions of one of the rims to connect the first and second connecting ends of the rim. With the frame structure, the slot of the rim can be allowed greater depth, so that the lenses can be more firmly fixed to the rims respectively.

Abstract: An eyeglasses is provided, in which two location holes are respectively provided symmetrically to the center of the frame thereof, and a pivot connecting slot is provided at the middle portion of the frame. Location through-holes corresponding to the location holes of the frame are provided respectively on lenses. A fastening member has a pivot connecting portion provided at the bottom end which corresponds to the pivot connecting slot and is fitted therein, and two location pins used to fit with the location holes of the frame and the location through-holes of the lenses. Without the use of any tool, the lenses can be located in place and combined firmly with the frame without coming off. Therefore, the assembly of lenses and the frame can be easily and quickly conducted so as to increase practical value in its overall implementation.

Abstract: Spectacles have a middle part and at least one earpiece, such that the at least one earpiece is pivotably connected to the middle part by a hinge. The hinge includes two hinge parts, a first of which is arranged on the at least one earpiece and a second of which is arranged on the middle part. At least one of the hinge parts is attached to the middle part or to the earpiece by laser welding. On at least one longitudinal edge of the hinge part, a continuous weld produced by conduction welding is formed.

Abstract: The invention relates to a pair of spectacles, in particular sports spectacles, comprising a spectacle frame, at least one spectacle lens which is detachably locked by the spectacle frame and a locking means for securing the spectacle lens to the spectacle frame. The locking means is displaceable relative of the spectacle frame between a spectacle lens locking position and a spectacle lens unlocking position, wherein the locking means interacts with the spectacle lens in the spectacle lens locking position for the spectacle lens to be secured to the spectacle frame. In the spectacle lens unlocking position, the locking means unlocks the spectacle lens in such a way that the spectacle lens is removable from the spectacle frame. The gist of the invention is a locking counter-means interacting with the locking means, the locking counter means being arranged on the spectacle frame.

Abstract: An eye-lens device includes a frame, at least a lens unit, two first magnets, and two fasteners. The frame includes at least a lens-holding portion and two magnet-seats. The lens unit is held by the lens-holding portion. The first magnets are disposed at the magnet-seats respectively. Each of the fasteners is disposed pivotally to the frame and includes a second magnet. The lens unit is fastened by the attraction of the first and second magnets when the fasteners rotate relative to the frame.

Abstract: Eyewear includes a set of lenses, a frame, and a pair of arms. A primary attachment feature facilitates attachment of the arms to the frames. A secondary attachment feature facilitates attachment of the arms to the frames in case the primary attachment feature becomes partially or wholly dysfunctional. A concealment feature at least partially conceals the secondary attachment feature. The concealment feature is detachable to permit use of the secondary attachment feature. In an example embodiment, the concealment feature is formed as an integral breakaway component of the arms.

Abstract: A vision correction method is disclosed wherein a purchaser selects, obtains, and assembles a custom pair of over-the-counter, non-prescription reading glasses having different diopter magnification for each eye. A display of left lenses and right lenses in various diopters and lens frame components are available in a retail store. The purchaser conducts a self-test of reading ability to determine the correct lens diopter for each eye. The purchaser then assembles the selected lenses with supplied components according to the model selected.

Abstract: Adjustable focus eyeglasses where the range of adjustment can be moved. That is, if a pair of adjustable focus eyeglasses have a range of 0 diopters to 2.75 diopters (to provide a 2.75 D ADD for reading for an emmetrope), this invention could, for example, permit the user to move the range from 0 D to 2.75 D to 2.00 D to 4.75 D so as to accommodate a short term change in the user's distance vision requirement. Each eye can be adjusted independently.

Abstract: Modular glasses may include a first segment frame having a first segment lens area, an inner side and an outer side, wherein the inner side has a rail section. A second segment frame may also be included, having a second segment lens area, an outer side and an inner side, wherein the inner side has a notch section, wherein the notch section receives the rail section of the inner side of the first segment frame. A bottom catch may also be included below the notch section of the second segment frame.

Abstract: Eyeglass frame member which can be individualized and/or accessorized according to user's moods or desires, or according to display indicia displayed in the frames or new temples of different shapes or colors. Decorative or personalized pin members can be positioned in openings in the display frames or temple members. Mating connecting members can be used to selectively disconnect and change the temple members relative to the frame member.

Abstract: A lens receptor that includes relief mechanism, such as a kerf-like slotted spring lock, that releases under pressure to allow the insertion of the lens and once inserted, provides sufficient force to retain the lens in position even during athletic activity. The lock includes an interior space that includes latches. The lens 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 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: The assembly mainly includes a fastener mounting into and locked between a middle part of the eyeglass frame and a middle part of the optical lens, where the eyeglass frame and the optical lens mounted with each other. Moreover, a stopping plate is mounted into the eyeglass frame at the position corresponding to the fastener. By the stopping plate locked with the fastener, the fastener will not separate from the eyeglass frame. Therefore the connection between the eyeglass frame and the optical lens becomes more firmly and stably by the fastener.

Abstract: A lens and frame assembly for glasses includes a lens having at least a latch and a frame having at least an inserting hole. After the lens is inserted into an embedding slot of the frame, the latch of the lens is inserted into the inserting hole of the frame to reinforce fastening the lens on the frame. When the glasses is twisted or impacted, the lens does not easily come off.

Abstract: Spectacles are described having a frame (1), having two spectacle earpieces (5) attached laterally on the frame (1), having two spectacle lenses (2), which engage in receptacle grooves (3) of the frame (1), and having in each case a detachable mounting device for the spectacle lenses (2) in the receptacle grooves (3), which are interrupted in the region of the earpiece attachment (4), wherein the mounting device has, in the region of the interruption (7) of the receptacle groove (3), a sliding bolt (8), which is mounted on the frame outer side and is displaceable transversely to the edge (9) of the spectacle lenses (2). In order to ensure a secure hold of the spectacle lenses (2), it is proposed that the frame (1) have, on the inner side opposite to the sliding bolt (8), a support stop (11) for the spectacle lens (2) having at least one catch attachment (12) engaging in a catch recess of the spectacle lens (2).

Abstract: The present invention illustrates various methods of attaching a pair of eyeglass lenses or a lens shield to an eyeglass frame using magnets or magnetically attractive material. The magnetic attachment methods are beneficial because they allow the user to have interchangeable lenses or shields for indoor and outdoor use, enhancing their visual acuity during work or play. The lenses may be tinted, prescription, protective eyewear, or plano. The magnetic lenses are convenient and user friendly, allowing intuitive, tool-less interchangeability with no need to twist or stress the frame. These methods of attachment require no specific instructions or tools when the user replaces lenses.

Abstract: A rim locker for spectacle frame comprises a first portion and a second portion which are connected to two edges of lens rim in cut-off position respectively. The second portion has a screw hole for inserting a screw and the first portion is having thread to let the screw in for fastening the lens rim. The screw further has a stopping cap and the first portion further has a cylinder housing for hiding and moving the stopping cap, so that when the rim-locker is opening, the stopping cap will moving along the track of the housing, and stop at the end to prevent the screw slip off from the rim-locker and protect the screw threads not strip off easily.

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: The invention relates to a system for fastening the bridge (30) or the hinge elements (10, 20) connecting the temples (A) to the lenses (L) of eyeglasses, where the ends of the bridge (30), as well as each of the ends (12, 22) of the temple connecting hinge elements (10, 20) which is directed towards the respective lens is furnished with a respective fork-shaped structure, with at least one pair of prongs (33-34, 36-37, 13-14, 23-24) lying in the plane at right angles to the plane of the lenses and where each lens is provided with holes (61-62, 63-64) located at the points of connection with the ends of the bridge (30) and/or of the temple connecting hinge elements (10, 20). The holes are equal in number to the number of prongs on the respective fork-shaped structures and comprise, inside them, respective tubular sleeves (53, 54).

Abstract: A lens receptor that includes relief mechanism, such as a kerf-like slotted spring lock, that releases under pressure to allow the insertion of the lens and once inserted, provides sufficient force to retain the lens in position even during athletic activity. The lock includes an interior space that includes latches. The lens 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 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: A goggle is disclosed having a frame with upper and lower frame portions with the upper frame portion being substantially more rigid than the lower frame portion. A fastener secures the upper perimeter of a lens to the upper frame portion. The lower portion includes slots receiving tabs extending from opposing sides of a notch in the lens for receiving the wearer's nose. The fastener includes an elongate member insertable within a slot formed in the lens and rotatable to a crosswise position hindering removal of the elongate member from the slot.

Abstract: Eyeglass assemblies including an eyeglass lens having an engaging portion. Under typical conditions of use, the engaging portion is maintained in contact with an eyeglass frame member by means of a removable bonding member (RBM). Under selected atypical ambient conditions, the RBM changes so that the engaging portion and the frame member can be separated. The engaging portion can extend from the lens, or can be a recess in the lens. The RBM can be a suitable adhesive (RBA), or a component composed of a shape memory metal (RBSMA) or a material which softens when subjected to heat or other atypical condition. The engaging portion can be shaped and treated to reduce stresses therein. Similarly, the open ends of an eyeglass rim can be maintained in contact with each other under typical conditions of use by an RBA or an RBSMA so that the rim is positioned around an eyeglass lens, but can be released under selected atypical ambient conditions.

Abstract: A pair of rimless s eyeglass frame which comprising a pair of lenses, a pair of temple units and a bridge, wherein each lens has at least one slot with a blocking surface that is provided at a predetermined location of the lenses to engage with the press element of the fasten apparatuses that connected to the temple units or the bridge, so as to securely mount the temple units and the bridge onto the lenses to form a pair of rimless eyeglass frame.

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 3D viewing glass comprises a frame, two lenses, a flexible printed circuit board, and two reinforcement elements. Each lens has an electrically interlocking element located on the inner side and adjacent to a bridge of the frame. The electrically interlocking element has an electrical adjoining plane electrically connected with the flexible printed circuit board. The electrically interlocking element and the flexible printed circuit board are further connected by the reinforcement element.

Abstract: A rim locker for spectacle frame comprises a first portion and a second portion which are connected to two edges of lens rim in cut-off position respectively. The second portion has a screw hole for inserting a screw and the first portion is having thread to let the screw in for fastening the lens rim. The screw further has a stopping cap and the first portion further has a cylinder housing for hiding and moving the stopping cap, so that when the rim-locker is opening, the stopping cap will moving along the track of the housing, and stop at the end to prevent the screw slip off from the rim-locker and protect the screw threads not strip off easily.

Abstract: The coupling structure for a pair of eyeglasses includes a one-piece lens, a pair of connecting elements and a pair of temples. Each pair of fixing articles of the lens are inserted through each curved groove of each connecting element and respectively into the extension through holes in both distal ends of each curved groove, so as for each pair of fixing articles to respectively protrude outward both extension through holes, and each flange in each hollow is caught in each concave of each curved groove so as for each connecting element to be firmly coupled to each end of the lens. Each pair of fixing articles outward each pair of extension through holes are respectively inlaid in each pair of receiving rooms in both distal ends of each curved portion of each temple, and each curved portion is caught in each curved opening of each connecting element, so as for each temple to be pivotally coupled to each end of the lens as well as each connecting element.

Abstract: A circumferentially elongated flat recessed portion (13) is formed in the outer edge surface (2c-b) of a spectacle lens (2). The distal end of a lens holding portion (9) is bent in a J shape to form an insertion portion (9A). The insertion portion (9A) is inserted into the recessed portion (13) and fixed in position using an adhesive (15). Thus, the spectacle lens (2) can be reliably held by the lens holding portion (9) with strong bonding between the spectacle lens (2) and the lens holding portion (9) free from the possibility of a reduction in bonding strength or fall-off upon twisting.

Abstract: Eyewear is provided having a frame that can releasably engage a lens. The frame can have an engagement mechanism that includes an active restraint member and a passive restraint member. The active restraint member can have a first component and a second component that are operatively coupled together such that the first and second components rotate together between open and closed positions. The second component can also be configured to slide relative to the first component to engage a portion the frame when the first and second components are in the closed position to maintain the lens fitted against the frame.

Abstract: A pair of rimless spectacles includes two lenses, a frame including two temple units and a bridge, and a connection mechanism. The connection mechanism includes a plurality of first connectors spacedly provided at the lenses at a predetermined location and a plurality of second connectors provided at a predetermined location of each of the temple units and the bridge respectively, wherein the second connectors are coupled with the first connectors respectively to couple the temple units at two outer sides of the lenses respectively and to couple the bridge between two inner sides of the lenses respectively in a tool-less manner.

Abstract: The present invention illustrates various methods of attaching a pair of eyeglass lenses or a lens shield to an eyeglass frame using magnets or magnetically attractive material. The magnetic attachment methods are beneficial because they allow the user to have interchangeable lenses or shields for indoor and outdoor use, enhancing their visual acuity during work or play. The lenses may be tinted, prescription, protective eyewear, or plano. The magnetic lenses are convenient and user friendly, allowing intuitive, tool-less interchangeability with no need to twist or stress the frame. These methods of attachment require no specific instructions or tools when the user replaces lenses.

Abstract: The coupling structure for a pair of eyeglasses includes a one-piece lens, a pair of connecting elements and a pair of temples. Each pair of fixing articles of the lens are inserted through each curved groove of each connecting element and respectively into the extension through holes in both distal ends of each curved groove, so as for each pair of fixing articles to respectively protrude outward both extension through holes, and each flange in each hollow is caught in each concave of each curved groove so as for each connecting element to be firmly coupled to each end of the lens. Each pair of fixing articles outward each pair of extension through holes are respectively inlaid in each pair of receiving rooms in both distal ends of each curved portion of each temple, and each curved portion is caught in each curved opening of each connecting element, so as for each temple to be pivotally coupled to each end of the lens as well as each connecting element.

Abstract: The present invention provides eyeglasses with snap-fitted lenses, in which a hook of a fastener is snap-fitted into a locking notch of a corresponding lens. Thus, the removal and insertion of the lenses can be easily carried out to facilitate the repair and exchange of the lenses.

Abstract: The pair of eyeglasses includes at least a frame, at least a pair of catching elements and at least a pair of temples. The frame is provided with at least a pair of extension portions respectively disposed in the left and right opposite ends, and each extension portion is provided with at least a pair of fixing pillars. One end of each catching element is coupled to each extension portion of the lens for each pair of fixing pillars in each extension portion, and an opposite end thereof is connected with one end of each temple such that the lens, frame and temples to be assembled in a simpler and fast way.

Abstract: A connection and changing system, primarily between the spectacle temple and spectacle front. The temple and front components of the frame can be joined and then separated again as often as required.

Abstract: A coupling method and a structure for a coupling unit of rimless eyeglasses. The coupling method and the coupling structure can not only increase the coupling force of a coupling member but also prevent damage to or defects of the coupling unit, wherein the coupling member is coupled to end pieces and a bridge to be coupled with lenses of the rimless eyeglasses. The coupling structure includes fixing pieces extended and formed from respective nose poles or separately fabricated; a fixing unit configured to fix coupling members to the fixing pieces; and an assembly unit configured to connect the coupling members, coupled to the fixing pieces by means of the fixing unit, to endpieces or a bridge or both.

Abstract: A fixing mechanism of a gut 6 holding a lens 20 onto a half rim 1 prevents the gut 6 from being cut off by a large force acting on a bent part of the gut 6. The fixing mechanism includes an attachment part 2 of the half rim 1, to which a part of the periphery of the lens 20 is held, the lens 20, and the gut 6 fixing the lens 20 to the attachment part 2 by pressing the periphery of the lens 20 and thereby pressing the lens 20 toward the attachment part 2. The fixing mechanism further includes holding members 8 and 11 holding each end of the gut 6 on the both sides of the attachment part 2 of the half rim 1, which holding members 8 and 11 are arranged in hollow parts 7 and 10, respectively, formed on both the side parts of the attachment part 2 of the half rim 1.

Abstract: Rimless eyeglasses are provided that allow a lens to be fixed to a connector only by fitting the lens into the connector, and that also enable strong engagement between the lens and the connector. Rimless eyeglasses include a rimless lens, a bridge, and a connector that is provided at the tip of a temple. The rimless lens has an inwardly extending notch near upper left and right ends thereof. The bridge and the connector have a groove having a C-shaped longitudinal cross section and extending between top and bottom surfaces thereof. The notches of the rimless lens engage with the grooves of the bridge and the connector.

Abstract: A circumferentially elongated flat recessed portion (13) is formed in the outer edge surface (2c-h) of a spectacle lens (2). The distal end of a lens holding portion (9) is bent in a J shape to form an insertion portion (9A). The insertion portion (9A) is inserted into the recessed portion (13) and fixed in position using an adhesive (15). Thus, the spectacle lens (2) can be reliably held by the lens holding portion (9) with strong bonding between the spectacle lens (2) and the lens holding portion (9) free from the possibility of a reduction in bonding strength or fall-off upon twisting.

Abstract: The pair of eyeglasses includes at least a lens, at least a frame, at least a pair of catching elements and at least a pair of temples. The lens is provided with at least a pair of extension portions respectively disposed in the left and right opposite ends, and each extension portion is provided with at least a pair of fixing pillars. The frame is provided with at least an upper groove in the upper elongated rim, at least a lower groove in the nose portion and at least a pair of inlaid blocks respectively disposed on the left and right opposite ends, One end of each catching element is coupled to each extension portion of the lens for each pair of fixing pillars in each extension portion to be caught in, and an opposite end is connected with one end of each temple, so as for the assembly of the lens, frame and temples to be completed in a simpler and fast way.