Abstract: Protective goggles for human use including a pair of protective goggles for human use with at least one lens, an upper edge that is positioned against the user's forehead and a lower edge that is positioned against the user's cheek. Each of the user's eyes are covered by a separate section of lens and each of these sections extends along at least one line of curvature. It is intended that each lens section has a first and a second line of curvature that, at least in substantial part, are positioned transversely to one another, and along which the individual sections of lens extend; furthermore, that the lines of curvature of one lens section are inclined towards the lines of curvature of the other lens section in terms of their positioning.

Abstract: The present disclosure introduces an optical component attachable to a mobile communications device and operable to spectrally filter images taken by a camera of the mobile device. Systems introduced herein include the optical component, the mobile device, and an illumination source for directing light at a specific wavelength/intensity into a human mouth, such that images taken by the camera record human mouth tissue responses to the light for cancer screening purposes. Such cancer screening may also utilize a database of other response images from other patients, which may be transmitted to the database by the mobile device and/or other mobile devices.

Abstract: A goggle may include a goggle frame, a lens assembly magnetically coupled to the goggle frame, and first and second retention features securing the lens assembly to the goggle frame at first and second locations, respectively, to resist decoupling of the lens assembly from the goggle frame. The lens assembly may be removable from the goggle frame by actuating only one of the first retention feature or the second retention feature. A method of removing a lens assembly from a goggle frame may include actuating a first latch securing the lens assembly to the goggle frame; after actuating the first latch, pivoting the lens assembly away from the goggle frame about a second latch securing the lens assembly to the goggle frame; and after pivoting the lens assembly, laterally translating the lens assembly away from the second latch without actuating the second latch.

Abstract: Reading glasses, more specifically pince-nez glasses, for short-term, close viewing and reading. For better placement of the reading glasses on the nose, the bridge of the reading glasses is provided with knobs, of which two are located on the outside, making it comfortable to grasp and place the glasses on the nose with two fingers and third knob is located on the upper centre of the bridge. Bridge of the reading glasses is ergonomic. The measurements of the radius of bridge of the reading glasses have been developed ellipsoidal in shape, where radius r1 is 7.0 mm and r2 is 7.5 mm and the angle ? of the bridge is 36°.

Abstract: The inventive subject matter presents novel modular eyewear, having an upper frame, a lower frame, and temple frames. Aspects of the invention include magnetic coupling points. At a first magnetic coupling point, the upper frame, lower frame, and temple frame couple. At a second magnetic coupling, the upper frame and lower frame magnetically couple at the bridge of the frame formed by the upper frame and lower frame. Thus, the present invention enables the upper frame and lower frame to affix a lens for the benefit of the wearer, and also enables greater flexibility, customizability, reduction of wear and tear, and user experience.

Abstract: A multipurpose eyewear system and apparatus is provided. An embodiment provides a film, vinyl, or other substance that may be removably applied to the lenses to provide the lenses with additional functionality. An embodiment provides a contoured and flexible frame and lens system that fits to a user's face. Additional functionality may be included by removable/replaceable lenses and/or removable/replaceable films. An embodiment provides a replaceable lens system that is either contoured or flat to provide compact and easy manufacturing, shipping, cleaning, and storing.

Abstract: A holder for eyeglass lenses having a holding part, which is magnetically secured to the fastening part in detachable fashion and has a nose bridge for holding eyeglass lenses, and having at least one swivel bearing, which is provided between the fastening part and the nose bridge of the holding part and has at least two bearing parts that are able to swivel relative to each other around the swivel axis of the swivel bearing in order to move the holding part between a use position of the eyeglass lenses and a non-use position of the eyeglass lenses in which they are folded upward in relation to the use position. In order to embody a holder of the above-mentioned type in a reliable and simply designed way, the first bearing parts and second bearing parts are embodied so that they are detachable from each other and are held together magnetically, for which purpose, at least one bearing part has at least one permanent magnet with a magnetization direction oriented in the direction of the swivel axis.

Abstract: Eyeglasses comprise primary glasses and auxiliary lenses having magnets for removable attaching to primary eyeglasses via magnets preferably encapsulated within the primary eyeglass frame front. Methods of forming the embedding of the magnets within the frame front provide a universal on-site on demand method of machining or 3D printing at least the frame front of the primary eyeglasses.

Abstract: Clip-on sunglasses for plastic eyeglass frames are shaped more like a bracket, with a nearly 90° bend to accommodate the thickness of plastic eyeglass frames. The ends of the bracket also angle for 45° towards each other to avoid hitting the nose piece of the plastic eyeglass frame. In the clip-on sunglasses, a latch controls two arms to rotate the arms up to a 45° angle with respect to a pair of plastic eyeglass frames. The arms are formed in three bent portions so as to extend away from an interconnecting rod portion. The three bent portions of the arms allows the latch to fit the shape of the plastic eyeglass frame along the bridge portion of the eyeglass frame as effectively as possible and minimizes movement of the clip-on sunglasses relative to the eyeglass frame.

Abstract: The present disclosure introduces an optical component attachable to a mobile communications device and operable to spectrally filter images taken by a camera of the mobile device. Systems introduced herein include the optical component, the mobile device, and an illumination source for directing light at a specific wavelength/intensity into a human mouth, such that images taken by the camera record human mouth tissue responses to the light for cancer screening purposes. Such cancer screening may also utilize a database of other response images from other patients, which may be transmitted to the database by the mobile device and/or other mobile devices.

Abstract: A flip-up eyeglasses include a main eyeglass, a secondary eyeglass, and an elastic hook member. The main eyeglass has a main frame, and the bridge of the main frame is connected with a connecting member extending horizontally forward. The connecting member has two engaging slots and two rectangular-shaped positioning portions that are formed between the front edge of the connecting member and the two engaging slots. The secondary eyeglass has a secondary frame, and the bridge of the secondary frame forms two grooves. The elastic hook member has a sheet portion and two hook portions that are configured to be hooked onto the two positioning portions through the two engaging slots and to be abutted against the two grooves, such that the positioning portions are sandwiched by the bridge of the secondary frame and the hook portions of the elastic hook member.

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 the 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: Phototherapy systems comprising a therapeutic lamp platform for radiant lamps such as LEDs disposed in an assembly including a reflective surface facing towards a patient and a plurality of light apertures substantially aligned with the LEDs for communicating lamp radiation from the lamps to a user. The lamps and associated circuitry are disposed so that the reflective surface is relatively smooth and seamless towards the patient. The walls have a malleable rigidity for flexible adjustability relative to the user, and the device is mounted to the user with a frame.

Abstract: This invention provides a clip-on member 1 includes a lens mounting rod 2 to which clip-on lenses are mounted, and a pair of upper clipping arms 4 and another pair of lower clipping arms 5 made of elastic members for attachment to the eyeglass frame. The upper clipping arms 4 include an upper hooking part 4a and another upper hooking part 4b with which the upper clipping arms 4 are fitted and mounted to the brow part of the spectacle frame from above. The lower clipping arm 5 includes an arm part 7a, an arm part 7b, and a pinching part 8. The arm parts 7a and 7b have left engagement part Sa and right engagement part Sb respectively held by the holding parts 6a and 6b, and placed at the nasal area of the spectacle frame between its right and left lenses. The lower left and right hooking parts 7a and 7b, as an extension of the clipping arms 7aand 7b, exercise theft elastic force towards the opposite sides, thus moving away from each other.

Abstract: Disclosed herein is an eyeglass accessory that is configured to retain one or more eyeglass lenses and is also configured to receive a front portion of eyeglasses.

Abstract: Phototherapy systems comprising a therapeutic lamp platform for radiant lamps such as LEDs disposed in an assembly including a reflective surface facing towards a patient and a plurality of light apertures substantially aligned with the LEDs for communicating lamp radiation from the lamps to a user. The lamps and associated circuitry are disposed so that the reflective surface is relatively smooth and seamless towards the patient. The walls have a malleable rigidity for flexible adjustability relative to the user, and the device is mounted to the user with a frame.

Abstract: The invention relates to an assembled structure of a main spectacle frame and an assistant lens frame. Sliding slots having fixing parts are disposed on inner sides of the lens frame of the main spectacle frame. Through holes are disposed in front of the lens frame and positioned to correspond to the sliding slots. The assistant lens frame is disposed on the front side of the lens frame of the main spectacle frame. Positioning bumps are protrudingly disposed on inner sides of the assistant lens frame to correspond to the through holes on two sides of the lens frame of the main spectacle frame. Tip holes are disposed on lateral sides of the positioning bumps to be inserted by tip rods for positioning correspondingly.

Abstract: Phototherapy systems comprising a therapeutic lamp platform for radiant lamps such as LEDs disposed in an assembly including a reflective surface facing towards a patient and a plurality of light apertures substantially aligned with the LEDs for communicating lamp radiation from the lamps to a user. The lamps and associated circuitry are disposed so that the reflective surface is relatively smooth and seamless towards the patient. The walls have a malleable rigidity for flexible adjustability relative to the user, and the device is mounted to the user with a frame.

Abstract: Phototherapy systems comprising a therapeutic lamp platform for radiant lamps such as LEDs disposed in an assembly including a reflective surface facing towards a patient and a plurality of light apertures substantially aligned with the LEDs for communicating lamp radiation from the lamps to a user. The lamps and associated circuitry are disposed so that the reflective surface is relatively smooth and seamless towards the patient. The walls have a malleable rigidity for flexible adjustability relative to the user, and the device is mounted to the user with a frame.

Abstract: A rimless eyeglasses having a rim portion IS PROVIDED. The rimless eyeglasses having rim INCLUDES a first rimless lens, an installing portion, and a first rim portion. The first rimless lens comprises an edge portion, a front surface portion, and a rear surface portion. The installing portion is provided along the edge portion of the first rimless lens. The first rim portion comprises an inner edge portion and configured for being installed on the installing portion of the first rimless lens. The first rim portion is detachably attached to the first rimless lens through the installing portion provided at the edge portion of the first rimless lens.

Abstract: Phototherapy systems comprising a therapeutic lamp platform for radiant lamps such as LEDs disposed in an assembly including a reflective surface facing towards a patient and a plurality of light apertures substantially aligned with the LEDs for communicating lamp radiation from the lamps to a user. The lamps and associated circuitry are disposed so that the reflective surface is relatively smooth and seamless towards the patient. The walls have a malleable rigidity for flexible adjustability relative to the user, and the device is mounted to the user with a frame.

Abstract: A controlled selective visual occlusion system and method includes a visor where the visor includes occlusion areas. An occlusion device covers the occlusion areas and the occlusion device is operable to progressively restrict or allow light in selected occlusion areas. A power source is connected to the occlusion device and a controller is connected to the power source for operation of the occlusion device in the selected occlusion areas.

Abstract: Phototherapy systems comprising a therapeutic lamp platform for radiant lamps such as LEDs disposed in an assembly including a reflective surface facing towards a patient and a plurality of light apertures substantially aligned with the LEDs for communicating lamp radiation from the lamps to a user. The lamps and associated circuitry are disposed so that the reflective surface is relatively smooth and seamless towards the patient. The walls have a malleable rigidity for flexible adjustability relative to the user, and the device is mounted to the user with a frame.

Abstract: A modular eyewear with multiple interchangeable components includes: a) a central frame with two eyeglass supporting members, lens and a bridge member; b) lenses, c) at least two temple members, hingedly and removably connected to the central frame at opposite ends thereof; d) two temple quick release mechanisms; e) a lens-free facade member removably attached to the central frame. A user may wear the modular eyewear with or without the facade and with matching, non-matching or substitute temple members.

Abstract: A modular facade and eyewear includes: a) a central frame with two eyeglass supporting members, lens and a bridge member; b) lenses, c) at least two temple members, hingedly and connected to the frame; d) a lens-free facade member removably attached to the central frame. A stand-alone facade for eyewear has attachment mechanisms and a central alignment component. A user may wear the modular eyewear with or without the facade and with matching, non-matching or substitute facade members.

Abstract: A pair of eyeglasses has a flip-up lens assembly The flip-up lens assembly includes a connector having a base with left and right extensions which are pivotally connected at their respective distal ends to an upper part of right and left sections of a secondary frame which retain a pair of flip-up lenses. A nose bridge of a primary frame which retains a pair of primary lenses includes a first magnet and the base of the connector includes a second magnet such that the flip-up lens assembly can be removably attached to the primary frame when the base of the connector is secured to the nose bridge of the primary frame by magnetic forces between the two magnets.

Abstract: Eyewear according to one embodiment includes a primary frame retainer, at least one primary lens and a clip-on lens assembly removably attachable to the front of the primary frame by magnetic forces interacting between two magnets affixed to the primary frame and the clip-on lens assembly, respectively. The clip-on lens assembly includes a connector affixed to a secondary frame of the clip-on lens assembly. The connector has a hook removably engagable with a recess defined in the primary frame for positioning the clip-on lens assembly with respect to the primary frame.

Abstract: The invention provides a multi-layer experiential optical device including at least one polymeric layer having a first side and an opposing second side, and having a light-influencing property; and a low tack pressure sensitive adhesive layer applied on at least a peripheral zone of the second side of the polymeric layer. The experiential optical device is reversibly adherent to an optical lens.

Abstract: A novel removable lens strip system suitable for use with goggles and helmets is disclosed, wherein lens strips may be easily removed from the goggle lens or helmet shield as the strips become soiled, and thus obstructing the user's vision. More specifically, a guide piece is employed that shields underlying removable lens strips from being inadvertently removed.

Abstract: A prescription eyewear assembly, for mounting to eyewear such as protective goggles, includes a connector, having front and rear portions, and a lens frame releasably securable to the connector. The front portion includes an eyewear connection element. The rear portion includes a clip having upwardly extending front and rear elements with opposed front and rear surfaces with a channel therebetween. The rear element defines an opening extending from the channel. The lens frame has first and second lens-receiving portions connected by a bridge. The bridge has a central portion and first and second support arms. The central portion includes an interlocking projection and is configured to fit within the channel of the clip with the interlocking projection releasably engaging the opening in the rear element. The central portion of the bridge can be positioned forward of the first and second lens-receiving portions.

Abstract: An aspect of the present disclosure relates to a device mountable lens component, including a lens unit defining a first surface and having a first lens. The component also includes a retention structure having a housing member defining a second surface. The housing member is attached with the lens unit such that the second surface faces the first surface and is spaced apart therefrom at a first distance so as to define an area therebetween. The retention structure also has first and second plungers movably affixed within the area between the lens unit and the housing member. The first and second plungers are biased away from each other in opposite directions along a path and are moveable toward and away from each other along the path.

Abstract: A system and method for method applying a laminate to a lens. The laminate may be opaque, translucent or perforated. The laminate may cover a more than one side of the lens. The laminate may have an indicia thereon to show support for a country or team. The gap may be formed between the laminate and the edge of the lens. The laminate may be layered one on top of another. The method claimed is selecting a laminate with the desired properties i.e. magnifying lens, colored lens, lens with appropriate indicia, applying that laminate to a lens.

Abstract: The present invention relates to safety or sport or recreational eyewear with an interchangeable optical PVC foil inserts. The eyewear includes a polycarbonate frame configured to receive interchangeable PVC prescription foil inserts. The frame includes a central nose bridge portion, molded lenses, nose pads, first and second wrap around frame arms, first and second frame arm hinge gussets. Arm hinge gussets strengthen the frame hinge and locate the foil insert in position. Inner hinges securely attach and lock the foil insert into its correct location within the frame. The foil insert provides two inner foil radiuses for the fitting of prescription corrective lenses. Nose bridge and nose pads hooks are supplied to ensure correct central alignment of the optical foil insert. Foil gusset slots ensure correct alignment of the foil insert at the top and base of the frame arm hinge gussets.

Abstract: Systems and methods in accordance with embodiments of the invention implement spectacle attachments that can provide protection from radiation. In one embodiment, a spectacle attachment that provides protection from radiation includes: a body of material that is a barrier to at least some form of radiation; where the body of material is configured so that it can couple with either temple of a pair of glasses; and where the body of material is sized to protect the side of a wearer's face from at least approximately the wearer's temple to approximately below the wearer's cheek when the body of material is coupled to a temple of a pair of glasses and the pair of glasses is worn.

Abstract: An apparatus and method for removably attaching a lens to a pair of goggles. The lens has at its periphery a plurality of lens clips, and the goggles has on its frame a matching plurality of frame clips which are designed to attach to the lens clips. Attachment and unattachment may be achieved through actuation of a lens release mechanism. The apparatus allows for the rapid and easy replacement of lenses without necessitating a replacement of the remaining portion of the goggles, a feature which may allow a user to cost-effectively replace damaged or worn lenses, or to utilize a single pair of goggles in a multitude of activities or situations in which advantages may be conferred through or necessity may require the use of a type or style of lens having particular attributes.

Abstract: A smart polarizing glasses includes two legs, a fixed lens, a movable lens, and a control assembly. The fixed lens is fixed between the two legs. The movable lens is rotatably mounted between the two legs. The control assembly is detachably mounted on one leg. According to ambient light intensity, the control assembly automatically drives the movable lens to rotate to cover the fixed lens or have no overlap with the fixed lens.

Abstract: An aspect of some embodiments of the present invention relates to an eyewear article for reducing glare. The eyewear article comprises an upper opaque or semi-opaque panel and a lower opaque or semi-opaque panel. The upper panel and lower panels are separated by a slit, the slit being configured for being placed in front of a user's eye to enable light propagating from a task located ahead of the user's eye to reach the user's eye, and the upper and lower panels being configured for preventing at least a portion of light propagating from at least some locations other than the task from reaching the user's eye.

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: Adaptive glasses for drivers or passengers of a motor vehicle, the glasses comprising lenses having a screen whose coefficient of transmission is variable between a maximum value (CTMAX) and a minimum value (CTmin). According to one embodiment of the invention, the coefficient of transmission (CT) of the glasses lenses (28) is controlled according to a wireless communication protocol.

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: Disclosed is a pin-detachment guide member for fixing a side shield which is capable of easily fixing or detaching the side shield to or from glasses. The pin-detachment guide member includes an inserting protrusion (400) having a screw thread and integrally formed with one surface of the temple (A) of glasses, and a pin-detachment guide member (300) introduced into an inner space of the upper and lower wings (D and E) which overlap with each other in a vertical direction of the inserting protrusion (400), such that the pin-detachment guide member (300) is screw-coupled with the inserting protrusion (400).

Abstract: Eyewear is provided including a frame, a visor attached to frame and a heads up display. The heads up display may be housed in the visor. The visor may be configured to be positioned in multiple positions relative to the pupil of a wearer's eye, and/or adjustably positioned so that the heads up display may be transitioned between positions within the line of sight of the wearer and out of the line of sight of the wearer. The heads up display may be configured to be controlled by a remote controller, e.g. a wrist watch. The heads up display may be monocular or binocular. The eyewear may also include an electro-active lens.

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: A lens structure including a quarter wave plate layer and a linear polarizing plate layer is provided. When the linear polarizing plate layer is located at an outer side of the lens away from a viewer's eye, the polarizing axis of the linear polarizing plate layer is in a vertical direction. The lens structure can be used to make dual-purpose eyeglasses with sunglasses and 3D glasses functions. Any one of the quarter wave plate layer and the linear polarizing plate layer can be disposed at the outer side away from the user's eyes by adjusting the orientation of the lens of the present invention. When the linear polarizing plate layer is located at the outer side away from the user's eyes, the optical axis of the linear polarizing plate layer is in the vertical direction. Thus, the dual-purpose eyeglasses with both sunglasses and 3D glasses functions can be achieved.

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: Eyewear is provided, namely, sunglasses with an integral securing mechanism that enables the lenses to be removed and replaced as necessary. Each of the lenses may retained within the frame of the eyewear/sunglass device as by corresponding channels or recesses formed on each corresponding side of the sunglass frame. For separate lenses, a securing mechanism is provided for securing each of the lenses. In a mono lens configuration, a single securing mechanism may be used to secure both lenses. A securing mechanism is placed in a locked position to hold the lens(es) in place during use. The securing mechanism is placed in an unlocked position by sliding or shifting the securing mechanism, enabling removal of the lens(es). Various constructions can be adopted for maintaining the securing mechanism in the locked position, such as by frictional force, magnetic force, or combinations thereof.

Abstract: The invention provides a multi-layer experiential optical device including at least one polymeric layer having a first side and an opposing second side, and having a light-influencing property; and a low tack pressure sensitive adhesive layer applied on at least a peripheral zone of the second side of the polymeric layer. The experiential optical device is reversibly adherent to an optical lens.

Abstract: Phototherapy systems comprising a therapeutic lamp platform for radiant lamps such as LEDs disposed in an assembly comprising a first wall to which the lamps are affixed thereto and a second wall, closer to the patient, spaced from the first wall wherein the lamps are recessed relative thereto. The second wall comprises a reflective surface facing towards a patient and a plurality of light apertures substantially aligned with the LEDs on the first wall for communicating lamp radiation from the lamps to a user. The lamps and associated circuitry are disposed between the first and second wall so that the reflective surface is relatively smooth and seamless towards the patient. The walls have a malleable rigidity for flexible adjustability relative to the user. The device is mounted to the user with a frame comprising an eyeglass frame or goggles including lenses for shielding the user's eyes from lamp radiation.

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 family of eye protectors for use with a variety of shapes and sizes of heads includes a plurality of different lenses with each lens having a selected curvature and selected height and profile parameters; and a manually adjustable nose engaging element carried on each lens. The nose engaging element can include a substantially U-shaped frame which has first and second deflectable, spaced apart members joined by a third member. A plurality of identical mounting elements can be proved wherein each mounting element holds one of said plurality of different lenses.