Abstract: A light-blocker apparatus may include a support element dimensioned to fit a contour of an eyecup of a head-mounted display. Additionally, the light-blocker apparatus may include an attachment feature, defined at a base of the support element, that connects the support element to the eyecup such that, when the support element is attached to the eyecup, the support element moves in conjunction with the eyecup. The light-blocker apparatus may also include an interface extending from the support element and may be dimensioned to interface with an eye area of a user's face to reduce light entering the eyecup from outside of the head-mounted display when worn by a user. Various other apparatuses, systems, and methods are also disclosed.

Abstract: An eyewear lens coupling system and methods can be used during assembly of an eyewear. The system and methods may advantageously decrease optical distortion of the lens during assembly and use and/or may also advantageously increase retention of the lens to the eyewear frame to improve the overall quality of the eyewear.

Abstract: The present disclosure belongs to the field of intelligent wearing technology, and discloses an eye tracking apparatus and an eye tracking device, which are designed to improve the problem that the existing eye tracking apparatus based on a pupil-cornea reflection method is susceptible to ambient light interference. The eye tracking apparatus includes a mounting frame, an eye tracking component and a hood, and the mounting frame is configured to be connected with a head-mounted apparatus; the eye tracking component and the hood are disposed on the mounting frame, and the hood is capable of providing an enclosure between the mounting frame and a face of a user. The eye tracking device includes a head-mounted apparatus and the above eye tracking apparatus. The eye tracking apparatus and the eye tracking device of the present disclosure are used for achieving eye tracking.

Abstract: The present disclosure provides diving goggles, which include: a mask assembly, including a mounting hole, and a dismounting hole passing through a side wall of the mounting hole; a lens, installed in the mounting hole; a pressing ring, detachably embedded in one end of the mounting hole to fix the lens, the dismounting hole facing an outer peripheral wall of the pressing ring; and a detaching component, mounted on the mask assembly, one end of the detaching component passing through the dismounting hole and resisting against the outer peripheral wall of the pressing ring, for detaching the pressing ring from the mounting hole.

Abstract: A cranial alignment device for use in intracranial stereotactic radiotherapy includes a nosepiece that is custom shaped to mate with the dorsum and alae of the patient's nose.

Abstract: A goggle having a lens changing system is disclosed that includes a sliding lever that is traversable between a closed and opened position. The sliding lever, in the opened position, allows the lens to be released from the frame so that the user can either switch out the lens to a different lens that would be more appropriate for the current lighting conditions or to replace the current lens which may be defective. Additionally, the lens changing system has a nub and hole combination that further secures the lens to the frame so that the lens does not inadvertently dislodge off of the frame during active sports.

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: Eyewear, such as a goggle, is provided that can include an anterior module (such as a lens support) and an interchangeable posterior module (such as a faceplate). The anterior module can be adapted to support at least one lens in a wearer's field of view. The posterior module can be adapted to fit against a contour of the wearer's face and can be selectively interchangeable with the anterior module to modify at least one physical characteristic of the eyewear. In some embodiments, the anterior and posterior modules can be coupled by a suspension assembly in order to allow articulation of the posterior module relative to the anterior module for evenly distributing forces against the wearer's face. Further, the anterior module can be rigid for maintaining the lens in an optically-desirable orientation. Furthermore, the goggle can comprise an interchangeable lens mechanism to facilitate interchanging of lenses in the goggle.

Abstract: Disclosed in this specification is a mounting device to mount or attach various types of mounted devices, including a data transmission device, to a mask. The mounting device does not destroy or alter the seal integrity of the mask.

Abstract: Grooves are formed in the inner surface of two rims, and a part of the inner side of each of the grooves is formed as a cutout section. Lenses are removed from the rims while avoiding the interference between a stopper member, which is pivotably provided to a bridge, and inner regions of the rims by pivoting downward the stopper member. Then, new lenses are inserted through the inner regions. After that, the stopper member is rotated upward and fixed to the bridge. As a result, the stopper member interferes with the inner regions of each of the rims to firmly fix the lenses within the rims.

Abstract: An eye shield attachment can be used in combination with a safety helmet. This helmet has a front brim continuous with a rim extending along each opposite side of the safety helmet to a pair of rim slots in the helmet's rim. The attachment has a pair of frames that can removably attach to the pair of rim slots in the helmet. The frames each have a fastening member that is lockable onto a corresponding one of the rim slots and adjustable to accommodate various depths in the rim slots. A support structure attached to the pair of frames extends along the rim toward the front brim. A front lens and corrective glasses may be attached to the support structure. A pliable bead may be attached to the front of the support structure and extend rearwardly to engage a wearer's forehead.

Abstract: A pair of swimming goggles includes two rigid lenses each having an extension. A stub is formed on a front side of each extension, and a button is formed on a distal end of the stub. A frame includes two ring portions receiving the lenses. Each ring portion includes a receptacle extending into an outer side of the ring portion. The outer side of each ring portion includes front and rear walls delimiting the receptacle, and a through-hole extends through the front wall. The extensions of the lens are received in the receptacles. The stub of each lens extends through the through-hole of the outer side of one of the ring portions. The button of each lens is located outside of the frame. A coupling plate is mounted to each lens and has a through-hole through which the stub of one of the lenses extends.

Abstract: A diving face mask including a pair of front lenses, a lens frame provided with an outer frame having a pair of lens holders in which the lenses are detachably mounted from front and an inner frame having a pair of annular portions adapted to be detachably snap engaged with an inner peripheral surface of the lens holders, a tubular facial skirt extending rearward from the lens frame, and a strap adapted to be put around the wearer's head. The inner frame includes a pair of the integral annular portions and is formed with a space into which a connector member prepared separately of the inner frame is detachably fitted.

Abstract: A diving mask is provided. The mask comprises a body, at least one lens and at least one elastic frame. The body comprises at least one lens frame. The one lens has a periphery and is disposed correspondingly in the lens frame. The elastic frame is detachably fastened along the periphery of the lens to absorb the impact force and allow the diving mask to float in water.

Abstract: A diving face mask including a pair of front lenses, a lens frame provided with an outer frame having a pair of lens holders in which the lenses are detachably mounted from front and an inner frame having a pair of annular portions adapted to be detachably snap engaged with an inner peripheral surface of the lens holders, a tubular facial skirt extending rearward from the lens frame, and a strap adapted to be put around the wearer's head. The inner frame includes a pair of the integral annular portions and is formed with a space into which a connector member prepared separately of the inner frame is detachably fitted.

Abstract: A user may easily replace lenses in the protective goggles. The frame body is compositely made with a rigid frame member and a resilient frame member. An outer circumferential area of a replaceable lens abuts against the resilient frame member and also engages with the rigid frame member so as to be fixed together. The resilient frame member guarantees fluid-tightness (water-tightness or air-tightness) of the goggles and dispenses with a packing and the like.

Abstract: A pair of swimming goggles includes left and right frames made of hard material, a head strap and a connection frame connecting the left and right frames and made of soft material. Supporters respectively extend from the inner ends of the peripheral surfaces of the frames opposite to the fastener base. A fill zone is defined in each of the inner surfaces of the frames opposite the supporters. A head strap is connected to the fastener base of each of the left and right frames. The connection frame includes a nose bridge and left and right pads connecting with opposite ends of the nose bridge. Receiving recesses are respectively defined in the junctions between the nose bridge and the pads for respectively receiving the supporters therein. Junction portions are respectively formed at the left and right pads corresponding to the fill zone of each of the left and right frames for being filled in the fill zone.

Abstract: A pair of goggles having a main frame including two fitting members, two lenses fitted in the main frame, two hollow side guards, and a band secured to the side guards. Each of the two fitting members being separable at a line extended from an inner edge of a lens opening in the main frame to an outer edge of the main frame and having two latches extending rearwardly from the two fitting members. Inserting the latch into the side guard will fasten the main frame and the side guard together. Pressing and pulling the latch out of the side guard will disengage the main frame from the side guard. Pulling both latches away from each other will separate each of the two fitting members allowing the lens to be changed. Another embodiment includes a flexible second frame. The lenses are fitted in both the flexible second frame and the main frame.

Abstract: A shelter frame kit is adapted for detachably mounting in front of a primary spectacle frame wherein the shelter frame kit for supporting two auxiliary lenses includes a bridge extended between the two auxiliary lenses, two shelter arms having two pivot hinges affixed on upper sides of the two auxiliary lenses respectively, and two interlocking device provided at two ends of the two shelter arms respectively for interlocking with two rim lockers of the primary spectacle frame such that the auxiliary lenses are adapted for pivotally folding from a closed position to an open position, wherein in the closed position of the shelter frame kit, the two auxiliary lenses are respectively positioned in front of two lenses of the primary spectacle frame, and in the opened position of the shelter frame kit, the two auxiliary lenses are 180-degree flipped over the two lenses of the primary spectacle frame respectively.

Abstract: Eyewear member includes a structure for fitting peripherally on or around or behind lens and structure of conventional eyewear. Interfitting structure ranges from sealing segments to eyewear members which may attachably engage or simply interfit behind conventional eyewear. The eyewear members enables conventional eyewear to form a closer fit with the face of the user to protect the person's eyes from wind, water and foreign material. All embodiments contemplate selectable removabilty, replace ability and interchangeability.

Abstract: A modular respirator system has interchangeable facial lenses and body seals such as a full facepiece seal or a hood. A method of conversion from a full facepiece respirator to a hood respirator, or vice versa, is also disclosed. In one embodiment, lens conversion is accomplished without changing the type of body seal. In another embodiment, a breathable gas delivery conduit is connected to the facial lens and interchanged between the body seals together with the facial lens.

Abstract: An eye protection apparatus is disclosed that includes detachable dome-shaped eye protection portions.

Abstract: An eye protection apparatus is disclosed that includes detachable dome-shaped eye protection portions.

Abstract: A user may easily replace lenses in the protective goggles. The frame body is compositely made with a rigid frame member and a resilient frame member. An outer circumferential area of a replaceable lens abuts against the resilient frame member and also engages with the rigid frame member so as to be fixed together. The resilient frame member guarantees fluid-tightness (water-tightness or air-tightness) of the goggles and dispenses with a packing and the like.

Abstract: An eye protection apparatus is disclosed that includes detachable dome-shaped eye protection portions.

Abstract: A device for fastening eyeglasses is improved such that the lenses can be adjusted to the eyes of the mask user independently from one another. An ear piece (6) bent in an L-shaped pattern is provided. The earpiece is arranged on a holding element (4), which is located at an edge (1) of an eye-protecting lens (2). A frame (9) with a lens (10) is fastened at the other free end of the ear piece (6) by a displaceable bracket (8).

Abstract: A pair of swimming goggles for swimming pool purposes comprising: a left lens frame, a right lens frame, two lens units and a strap mean, each of lens frames has an inner periphery that defines a lens retaining space for receiving a lens unit and the periphery of each lens frame have at least one connection base. A strap mean for passing through the connection base of each of lens frames and tightening the swimming goggles to a wearer's head, such the swimming goggles can effectively guard against interference each other during the adjusting and can respectively conform with a wearer's eyehole contour, so as to provide more comfortable fitting and prevent the seepage of water when the swimming goggles are in use.

Abstract: A goggles with removable lenses comprising a pair of soft lens rim each with a lens, a cushion in sucker format is formed with the soft lens rim into one body. The lens is flat with thickness less than 5 mm, on the circumference of the lens has a fixing ring in stair shape for holding, a fixing mechanism is on the fixing ring near bridge. Two soft lens rims are tied together with a bridge, the soft lens rims and the bridge are formed into one body with soft plastic. A groove in stair shape for the fixing ring and a hole for the fixing mechanism are inside the soft lens rim for a lens.

Abstract: A goggles with removable lenses comprising a pair of soft lens rim each with a lens, a cushion in sucker format is formed with the soft lens rim into one body. The lens is flat with thickness less than 5 mm, on the circumference of the lens has a fixing ring in stair shape for holding, a fixing mechanism is on the fixing ring near bridge. Two soft lens rims are tied together with a bridge, the soft lens rims and the bridge are formed into one body with soft plastic. A groove in stair shape for the fixing ring and a hole for the fixing mechanism are inside the soft lens rim for a lens.

Abstract: A protective mask adapted to be worn by persons engaging in physical games comprises a body consisting of a lens receiving portion, a nose portion, a chin portion, a brow portion, opposite cheek portions and opposite side temple portions; the lens receiving portion displays an opening which is covered by a removable flexible transparent lens having its opposite extremities configured with engagement portions that mount the lens to the body. A pair of anchor clamps are inserted at each opposite end of the lens to further secure the engagement of the lens to the mask body.

Abstract: A goggle has a replaceable plastic lens mounted in a flexible frame containing several air vents for passing external air through the goggle interior. The lens is formed of thermoplastic materials to provide spherical and cylindrical versions of the lens. The thermoplastic resins incorporate dyes which tint the lens to create transmission curves having peaks and valleys which approximate or enhance certain response characteristics of the retina of the human eye. Inlet air vents are covered by porous foam located in an upper air channel to disperse downwardly the external air into the interior space behind the lens. Outlet vents located in the bottom of the frame are covered with a porous foam to exit air from the interior space.

Abstract: A swimming goggle structure includes two frames, each having a lens seat defined by a raised wall formed thereon to support a lens. A loop-like lens securing member, is removably fit onto the raised wall of the frame to hold the lens on the lens seat of the frame. The raised wall has an inner surface on which a sideways-opened groove for supporting and holding the lens is provided and an outer side on which a circumferential shoulder is formed to support the loop-like lens securing member. The shoulder has a lateral groove recessed into and Co-extensive with the raised wall and the loop-like lens securing member has a corresponding inward-projecting rib receivable within the outer groove of the circumferential shoulder to removably hold the lens securing member on the lens seat so as to allow a user to replace the lens by oneself by removing the lens securing member from the raised wall of the frame.

Abstract: Each lens member 1 of swimming goggles includes an annular peripheral wall 12 extending rearward from a peripheral edge of a front lens portion of the lens member 1 and a flange 13 formed on a rear end of the peripheral wall 12. The peripheral wall 12 is partially formed with a wall surface portion 14 spaced from a front surface of the flange 13 to define a second groove 16 therebetween and the front surface of the flange 13 is formed with a first groove 19. Each of pad members 2 presents an annular configuration and is formed with a first wall 22 and a first projection 26 adapted to be received by the second groove 16 and the first groove 19 respectively.

Abstract: New face masks protect a wearer's eyes against impact by a projectile or the like. In one aspect, the face mask comprising a plurality of frames, each of which is adapted to fit onto the wearer's face around one of the wearer's respective eyes, with each frame having mounted thereon a bar arrangement comprising a plurality of generally vertically directed protective bars. The bars are variably spaced in a horizontal direction and mounted into the respective frames so as to avoid obscuring the wearer's vision in any direction of the wearer's field of vision when both frames mounted onto the wearer's face. A "frame mounting arrangement," which in one embodiment includes a nose guard that is mounted between the frames to be situated over the wearer's nose, and a strap attached to both frames to extend behind the wearer's head, holds both the frames onto the wearer's face such that one of the frames is fitted around one of the wearer's eyes.

Abstract: Protective goggles having a rigid, ballistically resistant transparent shield sealingly fittable over the eyes of a wearer via a resilient gasket having airing ports and a head gear for supporting the goggles. A second transparent radiation protective shield is detachably retained exterior to the ballistically resistant shield and in parallel relation thereto with impervious sealing means provided between both shields along their peripheries so as to provide an air-tight space therebetween.

Abstract: Sports safety glasses are disclosed having a glasses part with a pair of lenses, frames which the lenses are fit into, foam cushions attached to back sides of the frames, and a band part connected to both ends of the frames of the glasses part. The sports safety glasses include a front outer frame and a rear inner frame to which the foam cushions are attached to come into soft contact with the face; lens mounting faces formed between the front outer frame and rear inner frame to permit the lenses being inserted thereto; and insertion slots formed on one edge of each of the frames and projections mounted on an opposed edge of each frame and fitting into the insertion slots to fasten the frames together.

Abstract: A safety goggle assembly in combination with a pair of glasses including corrective lenses. The safety goggles have at least one lens formed of a safety type material. The corrective glasses have at least one lens in a frame in which the frame is form with a bridge portion that fits tightly over a bridge of the goggle. The corrective glasses include an upper bar which fits behind a protruding member in a forehead portion of the goggle. Therefore, the corrective glasses will be secured within the goggle between the bridge and the forehead portion without the use of special securing elements.

Abstract: The invention provides a pair of goggles which can be used for a variety of recreational activities, such as swimming, cycling, ball games etc. The goggles comprise of a pair of eyepieces and a nosepiece. Each eyepiece has a lens and rim, each rim having a first connecting structure and a headstrap connecting structure to receive a headstrap. The nosepiece has a pair of second connecting structures, and a bridge structure disposed between and integral with the second connecting structure. Each second connecting structure is complementary to a respective first connecting structure of the pair of eyepieces and forms an essentially rigid interference fit therewith. Inner portions of the second connecting structure and outer portions of the bridge means are contiguous and inclined at respective angles to each other at a rigid joint which is sufficiently stiff to resist deformation when subjected to normal loads occurring during use.

Abstract: A diving face mask comprising a pair of front lenses detachably engaged in lens holding portions of an outer peripheral frame and, annular inner peripheral frames to be snapped in the lens holding portions so as to bear against front surfaces of the lenses, said annular inner peripheral frames being cut away partially in the circumferential direction thereof and therefore being discontinuous circumferentially.

Abstract: A set of goggles comprising a lens holder including a pair of confronting straps having aligned lens apertures therein which receive lens. The straps are coupled together along the bottom, side and outer top confronting edges but are separated at a central, upper passage which is wider than the width of each lens but narrower than twice the width of each lens. Mechanism is provided for detachably coupling the lens holder to headgear, such as a helmet or a bandanna, and includes side bands that are coupled to opposite ends of the straps and extend along the sides of the head of a user. The bands can be detachably coupled to complementally formed fasteners provided on the helmet or bandanna. The side bands include forward portions folded over upon themselves and coupled to the ends of the straps.

Abstract: A protective eyeshield (10) with detachable components is disclosed. The eyeshield consists of a detachable lens (11) maintained in a frame (12) by notches (46 and 48) on the lens which cooperate with brackets (50 and 51) on the frame and by insertion of the side edges (44) of the lens into slots (20) in the frame, The eyeshield is held in place on the head of the wearer by a strap (13) attached to a rotatable connector (14) attached to the frame, The connector's rotatability allows the position of the strap to be adjusted to the wearer. An optional eyeglass frame (15) having eyeglass lenses (68) mounted therein may be attached to the eyeshield frame to form a part of the eyeshield for simultaneous wearing of eyeglasses with the eyeshield.

Abstract: Prescription eyewear is disclosed comprising a non-prescription one-piece plastic lens shield within the periphery of which generally central apertures have been formed, and prescription lenses are permanently affixed within said apertures. The lens shield are generally obtained from optically defective lens shield material since apertures are to be cut out centrally from the lens shield. Alternatively, the non-prescription lens shield may be optically correct and, of course, may still be the source of the prescription eyewear.

Abstract: A protective eyewear assembly includes a protective eyeglasses portion including a protective lense portion and a frame portion, a corrective lense assembly including a corrective lense frame, a pair of corrective lenses in the corrective lense frame, a nose pad assembly on the corrective lense frame, and a clip assembly for releaseably securing the corrective lense assembly on the protective eyeglasses portion. The clip assembly preferably includes a clip portion on the protective eyeglasses portion and a tongue portion on the corrective lense frame which is releaseably securable in the clip portion for securing the corrective lense assembly to the protective eyeglasses portion.

Abstract: A combination sun visor and sunglasses assembly including a mounting structure designed to surround the head of the wearer similar to a headband wherein the lens structure or viewing portion of the sunglasses are positionable between an overlying, normally viewing position relative to the eyes of the wearer or an outwardly extending, shading position similar to an orientation of a visor structure in overhanging, shading position.

Abstract: A helmet formed of a rigid shell is disclosed. The shell is lined with several air filled bladders to contact firmly the head of a user. The shell has a rigid chin bar supporting a bite bar connected fixedly to a mouthpiece bearing against the teeth and hard palate to firmly anchor the helmet without movement. The outer shell surface supports various air pumping bulbs and accelerometers. Separate left and right visor pivot on the side guided in a central tongue and groove track to move optical lens mounts into the user's field of vision. The chin bar is connected to the shell by a pair of releasable clasps. A safety lanyard connects to the clasps to quickly pull pins from the clasps to enable quick release in case of motion sickness.

Abstract: An interchangeable eyeshield system comprises a plurality of interchangeable, frameless lenses and a pair of bows releasably engaged to a selected lens. Each lens is of a different color matched to a corresponding weather condition. The bows are each engaged to the lens selected for wear by a clasp hingedly attached to the temple portion of each bow and an aperture within the lens to receive the clasp. The length of the bow is adjustable to accommodate the head size of the wearer.

Abstract: An eye protector (e.g. for squash players) comprises a screen slitted in the eye region of the wearer and with at least one thickened region adjacent to the slit(s) to reinforce the screen and prevent a resilient object (e.g. a squash ball) intruding through the slit and contacting a wearer's eye. Thickened regions can be provided above and below the slit(s) on the outward facing surface of the screen and the upper region can be thicker than the lower. An elasticated band can hold the screen over the wearer's eye region.

Abstract: A plastic frame safety spectacle of the type provided with removeable concavo-convex lenses has a variable-depth lens channel formed in the respective plastic rims, each channel being configured to complementally receive a lens periphery whereby the lenses are securely held in position within the rims yet may be removed or replaced using only manual pressure and without requiring heating or other special processing of the frame. Each lens channel is continuous around its respective rim, gradually and progressively becoming deeper as the upper portion of the rim is approached such that maximum restraining is provided for the lenses along the top rims where deformation is most likely to occur from twisting or bending of the spectacle frame. The back portion of each rim is provided with a lens-engaging support ledge to preclude removal of the lenses from the backside of the frame thereby seating the lenses against dislodging by frontal impact.

Abstract: Eyeglasses of the type which permit interchanging of lenses are disclosed which employ a support frame having a plurality of support prongs thereon adapted to receive a pair of lenses in supporting relation on the frame, and including a retaining clip pivotally mounted on the frame and movable between a first position which permits easy mounting of lenses on and removal from the support frame, and a second position wherein the retaining clip retains the lenses in mounted relation on the support frame so as to prevent their removal.

Abstract: System for quickly locking the lenses to, and easily disengaging the same from, sportive goggles, said lenses particularly being graduated lenses or the like for correction of visual defects; and sportive goggles in accordance with said system, particularly a technically advanced and improved form of swimming and diving goggles affording an easy use, a wider visual angle and greater protection for eyes, characterized by a main body with two countersunk seats for lenses and grooves parallel thereto for receiving a locking frame adapted to be locked in place by a disengageable member serving also as connecting member for the positioning strap of the goggles.