Abstract: An adjustable clip-in lens insert assembly for wrap around style frames used in industrial, construction, recreational activities and in the medical arts. The clip-in prescription lens insert assembly has a curved frame structure with a brow bar structure and clip or hook members to fix the prescription lens insert into wrap around style frames. The brow bar and clip member structures are formed of a polymeric material such as nylon or the like to provide a tensioned fit of the clip-in lens insert assembly into the wrap around style frames.

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: 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: 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: 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: A clip device for holding auxiliary eyeglasses includes a clip body and a retaining rivet plate. The clip body is made by injection molding and made of plastics material which has high elasticity and strong tenacity. The clip body includes a retaining portion, a resilient piece and two resilient clips. The retaining portion has a plurality of retaining holes thereon. The resilient piece is integrally formed with an upper end of the retaining portion. An upper end of each of the two resilient clips is integrally formed with an upper end of the resilient piece and protrudes outward to form a press portion. A lower end of each of the two resilient clips is a free end. The retaining rivet plate has a plurality of retaining pins. When assembling, the retaining pins of the retaining rivet plate are inserted through holes of the auxiliary eyeglasses and the retaining holes of the clip body.

Abstract: A lens retaining structure for a secondary glasses assembly having a frame configured to be mounted on a pair of primary glasses. The lens retaining structure comprises an inner portion and an outer portion, each comprising a flexible, resilient member having a predetermined rest position. The inner portion has an inner lens grabber thereon and the outer portion has an outer lens grabber thereon. The inner and outer lens grabbers are configured to engage corresponding features of a lens. The inner and outer lens grabbers separated by a first distance when the inner and outer portions are in their rest positions, such that the lens retaining structure is operable to retain one of a plurality of lenses of differing sizes and shapes having corresponding features separated by a second distance which is different from the first distance.

Abstract: The instant invention introduces a clip-on eyewear assembly that is compatible with both framed and frameless clip-on eyewear and securely mounts to various sets of eyewear. This clip-on eyewear assembly features a centrally position bridge assembly, left and right lens members and attachment members that are used to hold the lens members in place when mounted to a set of eyewear. The bridge assembly typically provides some type of force to keep the lens members securely held to the set of eyewear to which the clip-on eyewear assembly is attached.

Abstract: A sports glasses construction includes an eyeglass frame for semi-rimless lenses having a pair of channels for receiving a first pair of selectively removable lenses or lens adapter frames, and a pair of lens adapter frames having respective upper connection members sized and shaped to fit into the respective pair of channels in the eyeglass frame. The pair of lens adapters each has a lower portion sized and shaped to couple to a second respective pair of lenses leaving the lower edges of the lenses exposed to provide a semi-rimless construction.

Abstract: A shelter frame includes two shelter lenses, two lens holders provided at two outer sides of the shelter lenses respectively, and a retractable arm extended between two inner sides of the shelter for applying a retractable force therebetween to adjust the control distance. When the shelter lenses are pulled away from each other to lengthen the retractable arm for extending the control distance, the lens holders are adapted for engaging with two outer sides of the lenses of the primary frame, such that when the retractable arm is retracted via the retractable force, the shelter lenses are adapted for holding in front of the lenses respectively so as to detachably couple the shelter frame in front of the primary frame.

Abstract: A plug connection type eyeglasses assembly includes a pair of primary eyeglasses and a pair of secondary eyeglasses. A primary nosepiece of the primary eyeglasses is provided with a plughole, while the secondary eyeglasses is provided with a plug connector or a plug type turnover mechanism at a position corresponding to the primary nosepiece of the primary eyeglasses. The plug connector or the plug type turnover mechanism is inserted into and engaged with the plughole, thereby coupling the primary eyeglasses and the secondary eyeglasses.

Abstract: A auxiliary spectacles provided with a clamping mechanism includes a mechanism body, onto the ends of which the auxiliary spectacles lenses are mounted. The mechanism body between the two lenses of the auxiliary spectacles may be provided with an elastic pushing clamping body. The elastic pushing clamping body may include a bending foot body provided with at least one bending foot extending backward and then bending downwardly is fixed to the mechanism body, and the mechanism body may be provided with a pushing slider which may be pressed elastically, and the rear end of the pushing slider may be pushed elastically against the inner sidewall of the bending foot. The auxiliary spectacles may be used, assembled and disassembled more easily, and/or clamped more firmly; and may be compatible with other kinds of spectacles without adjustment.

Abstract: The clip-on lens assembly has a pair of lenses connected together by a uniquely shaped, spring-biased nose bridge wire that has a profile that substantially matches the profile of the nose bridge portion of a pair of eyewear. The bridge wire is connected to either the rear or front surfaces of the lenses and doubles-back on itself before forming a bridge portion, which may include curling over from the front surface to the rear surfaces of the lens. The lenses may be tinted for use as sunshades or could be also optically enhanced for use as an auxiliary corrective lens. At the outer edges of each lens is a pair of hooks used to retain the clip-on lens assembly against a pair of eyewear.

Abstract: This invention relates to one kind of universal clip-on eyeglasses that is used on optical frames. The clip-on glasses is comprised of a clamping mechanism. The clamping mechanism clamps onto the bridge of the bottom eyeglasses through a stretchable clip. The two ends of the clamping mechanism are connected to the add-on lenses. The clamping mechanism is comprised of a master structure and a component that clamps on with a stretchable mechanism. The master structure is connected to the add-on lenses and the component has at least one mechanical clip that clamps onto the bridge of the bottom lenses. This invention allows the clip-on eyeglasses to be clipped onto the bridge of the bottom eyeglasses with a clamping mechanism that has clips. They are easy to put on as well as to take off. The clamping is secure and these clip-on eyeglasses can be universally used on a variety of bottom lenses.

Abstract: An eye patch that is usable with eyeglass frames includes a flexible body and at least one fastener. The fastener(s) fasten the flexible body to the front of the frames. The flexible body substantially blocks both frontal and peripheral vision of an eye of a wearer of the eyeglass frames.

Abstract: The expandable and flexible bridge member is adapted for use a a part of clip-on sunglasses. It permits the sunglasses to be mounted on any eyeglasses, including those with a protruding bridge, with the bridge member of the sunglasses in alignment with the bridge of the eyeglasses. The bridge member can take the form of a uniquely shaped spring with a shrink wrapped plastic sleeve or one or more strips of elastic or rubber-like material. The bridge member is provided with a bridge engaging capability so that proper alignment is maintained with the eyeglasses bridge. The bridge engaging structure may take the form of a recess or a hook.

Abstract: A spectacle accessory (100, 200, 300, 400, 500) is disclosed as including a pair of lenses (102, 202, 302, 402, 502), a pair of legs (110, 210, 310, 410, 510) engaged with the pair of lenses (102, 202, 302, 402, 502) and swivellably movable relative thereto, a tube (104, 204, 304, 404, 504) with an interior surface, a wire (108, 208, 308, 408, 508) partly received within the tube (104, 204, 304, 404, 504), wherein the tube (104, 204, 304, 404, 504) is fixedly engaged with the lenses (102, 202, 302, 402, 502) and the wire (108, 208, 308, 408, 508) is fixed engaged with the legs (110, 210, 310, 410, 510), and the wire (108, 208, 308, 408, 508) includes a protruding portion (114, 214, 314, 414, 514) and the wire (108, 208, 308, 408, 508) is swivellably movable relative to the tube (104, 204, 304, 404, 504) between a stable first position in which the protruding portion (114, 214, 314, 414, 514) is clear of the interior surface of the tube (104, 204, 304, 404, 504) and a second position in which the protruding po

Abstract: A safety eyewear assembly includes safety eyewear and a prescription lens insert. The safety eyewear includes a frame having a brow bar configured to extend across the brow of the wearer and further includes a plurality of raised shoulders spaced along the brow bar, and a unitary safety lens removably mounted adjacent the outer surface of the brow bar wherein vertically extending venting channels are formed between the outer surface of the brow bar and an inner surface of the lens. The prescription lens insert includes a left lens frame configured for receiving a prescription lens, a right lens frame configured for receiving a prescription lens, and a sculpted connecting wire configured to be received in interfitting mating relation with at least one of the raised shoulders of the brow bar, and further configured to extend through the venting channels such that the sculpted wire is releasably captured between the outer surface of the brow bar and the inner surface of the lens.

Abstract: One embodiment of the present invention relates to an eyeglass assembly including a pair of first eyeglasses having a first bridge interconnecting a pair of first lenses, a pair of second eyeglasses having a second bridge interconnecting a pair of second lenses and retainers provided on opposite sides of the first frame. Each retainer may include an upper clamping plate and a lower clamping plate. The lower clamping plate may have at least one restricting groove to correspond to at least one rib so that combination of the at least one rib and the at least one restricting groove is able to combine the first pair of eyeglasses and the second pair of eyeglasses.

Abstract: A combination device for attaching auxiliary spectacles to main spectacles has a base, a clip and a resilient member. The base is adapted to be mounted on the nose bridge of the auxiliary spectacles and has a recess with an opening. The clip is pivotally attached to the base to close of the opening of the recess. The clip has a length longer than that of the base to make the distal end extend away from the base and an inclined surface formed on the distal end. The resilient member is mounted between the base and the clip to provide a restitution force to the clip. Accordingly, a user can operate, without using hands, the combination device to attach or detach the auxiliary spectacles onto or from the main spectacles, and the use of the auxiliary spectacles is convenient.

Abstract: A spectacle and front-mounting lens is disclosed. The combination of the front-mounting lens and the spectacle comprises a spectacle body having two lens frame joined with a frame support; a front-mounting lens module having an engaging seat with two ends mounted with a front-mounting lens, the engaging seat is provided with an engaging slot having a width similar to thickness of the frame support, and the interior of the engaging seat is provided with an engaging rod having one end being a pressing end and exposed on the end face of the engaging seat, the other end being an engaging end which forms into a fulcrum by means of a support rod, and the lower section of the pressing end of the engaging rod being an elastic element and the elastic element exerting an upward elastic force to the pressing end, thereby the engaging slot correspondingly inserted into the frame support and the engaging end urges the vertical face at the inner lateral side of the frame support.

Abstract: The eyeglasses frame is provided with spaced, oppositely extending, coplanar recesses. The lens sections of the sunglasses are provided with first and second oppositely directed collinear protrusions. An enclosed spring bridge mechanism moveably connects the lens sections. The spring bridge mechanism permits the lens sections to be moved toward each other, compressing the spring, to insert the protrusions into the recesses. The spring urges the lens sections away from each other, seating the protrusions into the recesses, to mount the sunglasses on the eyeglasses frame.

Abstract: An eyeglass device comprised of a primary eyeglass frame and an auxiliary eyeglass frame, each containing lenses therein. The primary eyeglass frame includes a bridge and earpieces, which are connected to extensions on each side of the frame. The bridge may made of a flexible memory alloy, such as NiTi or CuAlBe. The extensions have magnets mounted on the undersides of them. The auxiliary eyeglass frame also includes a bridge and temporal extensions. These extensions have magnets mounted to the tops of them. The magnets engage magnetically with each other to connect the auxiliary eyeglass frame to the primary eyeglass frame. The flexible bridges of the primary and auxiliary eyeglass frames assist in preventing the auxiliary eyeglass frame from becoming dislodged from the primary eyeglass frame in case it jostled by the wearer because they can withstand slight distortion.

Abstract: An eyeglass frame assembly for coupling clip-on auxiliary spectacles to primary spectacles. The primary spectacles having a pair of cavities formed on the inside surface of rear extensions and the clip-on spectacles having a pair of pins mounted to the outside surface of a pair of hinged extensions, wherein the pins are capable of positively engaging the cavities by exerting outward forces. The hinged extensions allow the clip-on spectacles to swing up and to place the auxiliary lenses mounted within the clip-on spectacles to be outside the vision path of the user.

Abstract: Eyewear comprising an eyewear frame, at least one lens in the eyewear frame; and an attachment device for holding a prescription lens insert so that the prescription lens insert is held in position adjacent the lens of the eyewear thereby to correct the vision of a wearer of the eyewear.

Abstract: A telescope lens assembly removably mountable on a spectacle frame is provided which includes a mounting bracket having a first pair of fixed clamping arms, a telescope lens pivotally mounted on the mounting bracket with a support bracket, a spring clip having a handle, a second pair of clamping arms for engaging with the first pair of clamping arms, and two projections, and a wire spring wound around each of the two projections which engages with the support bracket to allow precise placement of the telescope lenses in an operative position from a non-operative position.

Abstract: “SUPPORT FOR INDEPENDENT CORRECTIVE LENSES, APPLIED TO PROTECTIVE AND/OR SPORT GLASSES”, wherein a fixed or hinged device on the corrective lenses support allows them to be overlapped on the back side of a protective or sport lens; the system, in its hinged version, allows lenses to be simultaneously tilted or hinged upwards, so that the external (protective) lens and the internal (corrective) lens may be easily cleaned, aiming at providing greater convenience and practicality to those who need to continuously wear glasses or corrective lenses to correct vision and also protective glasses at the same time.

Abstract: A flip-up eyewear device includes a primary frame that is adapted to fit upon a wearer's face and a secondary frame that is rotatably mounted to the primary frame. A pair of hinges connect the primary and flip-up frames. The primary frame has a pair of upper rims, each having a set-back portion. A hinge is mounted onto a front surface of the set-back portion. The hinge operates between an upper rim of the primary frame and an upper rim of the flip-up frame and fits generally within the set-back portion so that the hinge is substantially hidden from view when viewed from the front of the eyewear. The set-back mounting allows the hinge to be large enough to contain a biasing spring without the hinge extending substantially above the frame or causing the flip-up frame to be positioned excessively far from the primary frame. Magnet pairs engage each other when the flip-up frame is in the DOWN position in order to hold the frame in place relative to the primary frame.

Abstract: A pair of safety glasses utilizing hinged protective lenses including a frame member comprised of a brow support having a pair of rearwardly extending ear supports. A protective shield is hingedly coupled with the brow support of the frame member. The protective shield is dimensioned for covering the eyes of the user.

Abstract: An eyeglass assembly includes primary and auxiliary frames which can be superimposed upon each other in a transverse direction, and which respectively have two primary and two auxiliary lens mounting portions of such profiles so as to mate with each other. The mating primary and auxiliary lens mounting portions respectively have front and rear wall surfaces facing each other and formed with two concavities at two longitudinal sides such that pairs of magnetic members and magnetically attractive members are received therein. The magnetic and magnetically attractive members attract with each other in the transverse direction, thereby securing the auxiliary frame on the primary frame.

Abstract: The clip-on sunglass assembly mounts on eyeglasses and has mirror image frame parts. Each includes a lens retaining frame portion with a set of protruding “L” shaped eyeglass engaging prongs and a bridge element. A mechanism is provided for connecting the bridge elements for movement between a proximate position, where the frame parts are relatively close to each other, and a remote position, where the frame parts are relatively far from each other. The connecting mechanism includes at least one coil spring situated within a cylindrical enclosure. The frame parts are normally biased toward each other by the spring such that the prongs securely engage the eyeglass frame. In one preferred embodiment, the enclosure has an open end which receives the bridge element of one frame part. The spring is operably situated between the enlarged end of the bridge element and the interior wall of the enclosure, adjacent the open end.

Abstract: The clip-on sunglass assembly mounts on eyeglasses and has mirror image frame parts. Each includes a lens retaining frame portion with a set of protruding “L” shaped eyeglass engaging prongs and a bridge element. A mechanism is provided for connecting the bridge elements for movement between a proximate position, where the frame parts are relatively close to each other, and a remote position, where the frame parts are relatively far from each other. The connecting mechanism includes at least one coil spring situated within a cylindrical enclosure. The enclosure has an open end which receives the bridge element of one frame part. The spring is operably situated between the end of the bridge element and the interior wall of the enclosure adjacent the open end. The spring normally biases the frame parts toward each other such that the prongs securely engage the eyeglass frame.

Abstract: An ocular mounting assembly for adjustably mounting a pair of ocular devices, such as telemicroscopic loupes, to an eyeglass frame or head mount with linear and rotational adjustments, but with view angle being permanently preset in accordance with working distance. The ocular mounting assembly includes an adjustable ocular support assembly and an adjustable clamp assembly rotatably attached to the ocular support assembly. The ocular mounting assembly includes a housing and two slidable mounting arms to which the ocular devices are attached, the transverse cross-sectional shape of the housing interior and mounting arms being such that substantially all of the volume of the housing interior is consumed apart from close tolerances to facilitate the sliding motion, thus resulting in a structure which cooperates to assist in providing a substantially rigid assembly.

Abstract: Secondary eyeglasses which are intended for attachment to a pair of primary eyeglasses. The secondary eyeglasses include a campanulate lens mounting strip having an arch-like upper portion, two outwardly extending lower leg portions, an upper surface and a lower surface. Hooks are provided on the upper portion for detachably securing the lens mounting strip to a nose bridge of a pair of primary eyeglasses. Hooks are provided on each of the lower leg portions for detachably securing the lens mounting strip to a frame front of a pair of primary eyeglasses. Secondary lenses are positioned on the upper surface of each of the lower leg portions of the lens mounting strip.

Abstract: An auxiliary spectacle frame has a substantially rigid elongate bridge member and dual monocular frames, the respective monocular frames being connected to the ends of the bridge member by spring members, whereby the monocular frames are omni-directionally movable relative to each other.

Abstract: An optical device comprising a spectacle frame having a pair of optical lenses. The optical device further includes a lens assembly pivotally attached to the spectacle frame which is pivotable between an operative position and a non-operative position. The optical device also includes an detent mechanism for repeatedly positioning the lens assembly into the operative position from the non-operative position. The lens assembly includes a support bracket for holding a pair of telescopes. The support bracket is contoured to the shape of the spectacle frame so that the bracket is substantially out of a user's forward line of sight when the lens assembly is in the operative position.

Abstract: A liquid crystal display having a plurality of sets of matrix wiring elements, a plurality of active elements and a liquid crystal layer includes a conductive layer for being maintained at a predetermined potential, which layer is selectively provided around each of pixel electrodes individually provided for each pixel. An image information processing apparatus includes such a liquid crystal display. The selective formation of the conductive layer makes it possible to reduce cross-talk while reducing the risk of the generation of unwanted parasitic capacitance and leakage current.

Abstract: An optical spectacle device comprising a spectacle frame having a pair of optical lenses. The spectacle device further includes a telescopic lens assembly pivotally attached to the spectacle frame which is pivotable between an operative position and a non-operative position. The spectacle device also includes an indexing mechanism for repeatedly orienting the telescopic lens assembly into the operative position from the non-operative position. A support frame for holding the telescopes of the telescopic lens assembly is adapted to be substantially out of a user's forward line of sight when the telescopic lens assembly is in the operative position.

Abstract: A prescription lens attachable to a safety glass frame. The safety glass frame is provided with a single lens, a center cross pin and indentation on an inner surface of the safety glass frame juxtaposed the temple pivot pin. A prescription frame includes separate prescription lenses and a central clip that clips onto the cross pin of the safety glass frame. The outer ends of the prescription frame are provided with angular locking ends that are pressed into the indentation on the safety glass frame. Thus, the prescription lens frame is held securely onto the safety glass frame between the safety glass frame and the persons eyes. Damage to the safety glass lens or frame necessitate replacement of only the non-prescription safety glasses because the prescription frame can be removed from the damaged frame and secured to a new safety glass frame.

Abstract: In a preferred embodiment, glasses or spectacles of identical polarized lenses have an additional matching pair of detachably mountable separate other identical polarized lenses variably rotatable to vary intensity of the polarized light when intermittently mounted by insertion past depressable resilient locking structure and dismountable by withdrawing past the depressable resilient locking barrier structure.

Abstract: A lens holder system for temporarily holding a prescription lens in the openings eyeglass frames having perimeter grooves so that the patient can see what a pair of eyeglass frames will look like on him or her. The system has a plurality of pairs of lens holders. Each lens holder includes a prescription lens, a prescription lens encircling portion, a pair of resilient spring wires fixed at first ends to opposite sides of the prescription lens encircling portion, and a pair of guides positioned on the lens encircling portion distant from the point of attachment of the first ends of the spring wires to the lens encircling portion. The second ends of the spring wires are slidably engaged with one of the guides and the second ends of the spring wires have terminal stops to prevent the spring wires from being withdrawn from the guides.

Abstract: A prescription lens attachable to a safety glass frame. The safety glass frame is provided with a single lens, a center cross pin and indentation on an inner surface of the safety glass frame juxtaposed the temple pivot pin. A prescription frame includes separate prescription lenses and a central clip that clips onto the cross pin of the safety glass frame. The outer ends of the prescription frame are provided with angular locking ends that are pressed into the indentation on the safety glass frame. Thus, the prescription lens frame is held securely onto the safety glass frame between the safety glass frame and the persons eyes. Damage to the safety glass lens or frame necessitate replacement of only the non-prescription safety glasses because the prescription frame can be removed from the damaged frame and secured to a new safety glass frame.

Abstract: An apparatus is provided for evaluating the tonal characteristics of an object with respect to a nominal tone which comprises a striker for causing the object to generate an audio signal and a microphone for inputting the audio signal. A reference signal generator generates plural reference signals in accordance with the nominal tone, and those signals are mixed with the audio signal by a mixing circuit. The accuracy of the audio signal with respect to the nominal tone is evaluated in accordance with the audio signal mixed by the mixing circuit.

Abstract: An ocular mounting assembly for adjustably mounting a pair of ocular devices, such as telemicroscopic loupes, to an eyeglass frame or head mount with linear and rotational adjustments through five degrees of freedom. The ocular mounting assembly includes an adjustable ocular support assembly and an adjustable clamp assembly rotatably attached to the ocular support assembly. The ocular support assembly provides interpupillary distance, convergence angle and view direction adjustment of the ocular devices, which are rotatably attached to the support assembly. The adjustable clamp assembly provides height and view angle adjustment of the ocular devices and allows the ocular devices to be flipped up out of the way when not needed. The height adjustment in conjunction with the view angle adjustment allows the line of sight to be adjusted while the ocular devices are positioned close to the eye or eyeglass lens.

Abstract: A sunshade and sunglasses which may be interchangeably detachably attached to vision correcting eye glasses is provided. The atttachment being by means of flexigrip-catch pairs. A pair of flexigrips are integrally formed on the top of an eyeglass frame for correcting lenses and are adapted for being received by a first pair of catches that are integrally formed on the top of a frame of a pair of sunglasses which has no temples, or a second pair of catches fixedly positioned underneath a sunshade. The position of the respective first and second pairs of catches are in alignment with the position of the flexigrips. By pressing the first pair of catches onto the respective flexigrips, the sunglass lenses are pivotally attached thereon.

Abstract: Corrective lenses are provided for allowing an individual to clearly view material located at or above eye level, and a distance of approximately 508 mm (20 inches) to approximately 635 mm (25 inches) away. In a first embodiment of the invention, the lenses are in the form of snap-on, flip-up modifying lenses for mounting over the fixed lenses of a conventional pair of eyeglasses. When in the flipped-down position, the modifying lenses cover slightly more than the upper half of the fixed lenses, and the optical center of each modifying lens is horizontally and vertically aligned with the optical center of the corresponding fixed lens. In a second embodiment of the invention, designed for individuals who don't ordinarily wear glasses, the lenses are fixed within a conventional eyeglass frame. The height of the lenses is slightly more than half the height of conventional glasses, so that only the upper portion of a wearer's field of vision is covered.

Abstract: The device of the present invention includes a plastic body member having a pair of upwardly spaced-apart legs and a pair of downwardly spaced-apart legs. The downwardly spaced-apart legs are adapted to spring apart and yieldably grip a sun visor therebetween. The upwardly spaced legs have an elastomeric member therein which forms a V-shaped slot for receiving the nose frame of a pair of glasses.

Abstract: A high electron mobility single heterojunction semiconductor devices having a layer configuration comprising a N-type AlGaAs layer grown on an undoped GaAs layer grown on an undoped AlGaAs layer grown on a semiconductor substrate containing an impurity producing a deep level. The undoped AlGaAs layer has at least three functions including (a) a getter for the deep level impurity which may be diffused from the substrate during an annealing process, (b) a buffer improving the crystal condition of the undoped GaAs layer, and (c) a test layer grown for the purpose of predetermining the intensity of molecular or ion beams for each of Al, Ga, As and dopants e.g. Si. This allows annealing processes and ion implantation processes to be introduced to the method for production of this type of semiconductor devices without reducing the electron mobility thereof.

Abstract: The disclosure is of eyeglass frames having the temples structured to provide storage for the eyeglass lenses or for auxiliary lenses, and the frame also includes various structural arrangements for placing and holding the lenses in operative relation with the eyes.

Abstract: There is disclosed an improved optical accessory of the sun shade type for use with a pair of prescription spectacles. The accessory includes a bridging assembly having a resiliently flexible wire-like member which cooperates releasably with a brow bar on the spectacles, and allows a finger to releasably cooperate with the bottom of a nose bridge of the spectacles.