CN219958015U

CN219958015U - Glasses with glasses

Info

Publication number: CN219958015U
Application number: CN202321728827.5U
Authority: CN
Inventors: 刘源; 牟维凯
Original assignee: Keshimei Life Technology Shanghai Co ltd
Current assignee: Keshimei Life Technology Shanghai Co ltd
Priority date: 2023-07-03
Filing date: 2023-07-03
Publication date: 2023-11-03
Anticipated expiration: 2033-07-03

Abstract

The embodiment of the utility model discloses glasses, which comprise a glasses frame, a triple prism and a shading plate, wherein the triple prism is arranged in the glasses frame, the triple prism is provided with a first optical surface and a second optical surface which are arranged in an included angle, light rays emitted by a target light source below the eyes of a user can enter the triple prism through the first optical surface, and then the light rays are emitted into the eyes of the user from the second optical surface after the transmission path of the light rays is changed through the triple prism; the light shielding plate is arranged close to the second optical surface and used for blocking light rays emitted from the upper side of the second optical surface from entering the eyes of a user, so that inverted images which can be seen through obliquely and upwardly observing the second optical surface can be sufficiently shielded, and meanwhile, the light shielding plate can not shield a front view image which can be seen through the front view second optical surface, so that the user can clearly see a front view image of a target scene below the eyes without looking straight ahead through eyes at a low head.

Description

Glasses with glasses

Technical Field

The utility model relates to the technical field of glasses, in particular to glasses.

Background

Glasses with special functions such as horizontal reading glasses, swimming goggles, military reconnaissance periscopes or night vision goggles with night vision functions are functional glasses widely applied to the market at present.

The basic working principle of the functional glasses is disclosed in some prior arts, for example, a horizontal reading mirror disclosed in chinese patent No. 86200353U, by arranging a prism, a book or an image from a television under an eye of a user is refracted by a hypotenuse to reach a reflecting surface, the reflecting surface totally reflects light to the hypotenuse, the hypotenuse totally reflects light to a right angle side, and the light is emitted from the right angle side to reach the eye of the user, so that the user can see a scene under the eye without looking straight ahead through the eye.

However, when the user looks obliquely upward through the eyes on the light-emitting surface (i.e., right-angle side) of the prism, part of the light rays inside the prism can exit from the upper side of the light-emitting surface into the eyes of the user through refraction, so that the user can see a very narrow inverted image above the prism, and the user cannot clearly see the target scene below the eyes.

Disclosure of Invention

Accordingly, it is necessary to provide glasses capable of sufficiently shielding an inverted image which can be seen by obliquely observing the second optical surface.

An eyeglass comprising:

a frame;

the prism is arranged in the mirror frame, the prism is provided with a first optical surface and a second optical surface which are arranged at an included angle, light rays emitted by a target light source below the eyes of a user can enter the prism through the first optical surface, and then the light rays are emitted into the eyes of the user from the second optical surface after the transmission path of the light rays is changed by the prism; and

the light shielding plate is arranged close to the second optical surface and used for blocking light rays emitted from the upper side of the second optical surface from entering eyes of a user.

In one embodiment, the glasses further comprise an adjusting component, the adjusting component is connected with the light shielding plate, and the adjusting component is used for driving the light shielding plate to move up and down relative to the second optical surface.

In one embodiment, the adjusting component comprises a driving piece and a telescopic rod, the driving piece is mounted on the mirror frame, one end of the telescopic rod is connected with the driving piece, the other end of the telescopic rod is connected with the light shielding plate, and the driving piece is used for driving the telescopic rod to stretch out and draw back along the axial direction of the telescopic rod, so that the light shielding plate is driven to move up and down along the axial direction of the telescopic rod relative to the second optical surface.

In one embodiment, the adjusting component comprises a sliding block, a sliding rail and a driving piece, the sliding rail is mounted on the mirror frame and extends along the vertical direction, the sliding block is slidably arranged on the sliding rail, the light shielding plate is connected to the sliding block, the driving piece is in transmission connection with the sliding block, and the driving piece can drive the sliding block to move relative to the sliding rail, so that the light shielding plate is driven to move relative to the second optical surface in a lifting manner.

In one embodiment, the adjusting assembly comprises a lifting driving shaft and a transmission screw rod, the axial direction of the lifting driving shaft is perpendicular to the axial direction of the transmission screw rod, the lifting driving shaft is rotationally arranged on the lens frame, the transmission screw rod penetrates through the light shielding plate and is in threaded engagement with the light shielding plate, the lifting driving shaft is meshed with the transmission screw rod, the lifting driving shaft can be driven to rotate around the axial direction of the transmission screw rod, and the transmission screw rod can be driven to rotate around the axial direction of the transmission screw rod through the meshing transmission of the lifting driving shaft and the transmission screw rod so as to drive the light shielding plate to move along the axial lifting of the transmission screw rod relative to the second optical surface.

In one embodiment, the number of the triangular prisms and the number of the light shielding plates are two, the two triangular prisms are arranged in the mirror frame at intervals, and the two light shielding plates are respectively in one-to-one correspondence with the two triangular prisms.

In one embodiment, the glasses further include a first light shielding portion and a second light shielding portion, the first light shielding portion and the second light shielding portion are both connected to the glasses frame, the first light shielding portion and the second light shielding portion are respectively disposed at two sides of the first optical surface, and the first light shielding portion and the second light shielding portion are used for blocking light rays emitted by other light sources below eyes of a user from entering the prism through the first optical surface.

In one embodiment, a side surface of the first light shielding part facing the target light source is made of black non-reflective materials; and/or the side surface of the first shading part facing away from the target light source is made of black non-reflective materials; and/or the side surface of the second shading part facing the target light source is made of black non-reflective materials; and/or the side surface of the second shading part facing away from the target light source is made of black non-reflective materials.

In one embodiment, the prism further includes a third optical surface, where the third optical surface is disposed at an angle with the first optical surface and the second optical surface, and light emitted from the target light source below the eye of the user can be incident on the third optical surface through the first optical surface, then reflected back to the first optical surface through the third optical surface, then reflected to the second optical surface through the first optical surface, and then emitted into the eye of the user from the second optical surface.

In one embodiment, the method further comprises at least one of the following technical schemes:

the triangular prism is detachably arranged in the mirror frame; and

the glasses also comprise two glasses legs, and the two glasses legs are respectively arranged at two ends of the glasses frame.

According to the pair of glasses provided by the utility model, the triangular prism is provided with the first optical surface and the second optical surface which are arranged at an included angle, light rays emitted by the target light source below the eyes of a user can be incident into the triangular prism through the first optical surface, then are emitted into the eyes of the user from the second optical surface after the transmission path of the light rays is changed through the triangular prism, so that the user can see a scene below the eyes without looking straight ahead through the eyes, and in the scheme, the light shielding plate is arranged close to the second optical surface, and can block the light rays emitted from the upper side of the second optical surface from entering the eyes of the user, so that the inverted image which can be seen through obliquely observing the second optical surface can be fully shielded, and meanwhile, the light shielding plate can not shield the forward-looking image which can be seen through the forward-looking second optical surface, so that the user can clearly see the forward-looking image of the target scene below the eyes without looking straight ahead through the eyes.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is an optical schematic of an embodiment of a pair of eyeglasses;

FIG. 2 is a schematic diagram of an embodiment of glasses;

FIG. 3 is a cross-sectional view of the eyeglass shown in FIG. 2;

FIG. 4 is an enlarged schematic view of R in FIG. 3;

fig. 5 is a schematic structural view of the glasses shown in fig. 2 at another view angle.

Reference numerals:

100. glasses; 200. an eye; 300. a target light source; 110. a frame; 120. a triangular prism; 130. a first light shielding portion; 140. a second light shielding portion; 150. a light shielding plate; 160. an adjustment assembly; 170. a cover plate; 180. a temple; 121. a first optical surface; 122. a second optical surface; 123. a third optical surface; 111. a front side; 112. a rear side; 113. an incident guide groove; 132. and an exit guide groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, "and/or" throughout this document includes three schemes, taking a and/or B as an example, including a technical scheme, a technical scheme B, and a technical scheme that both a and B satisfy; in addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

As shown in fig. 1 and 2, the present utility model provides a pair of glasses 100, wherein the glasses 100 may be a pair of glasses for horizontal reading, a night vision goggles with night vision function, goggles for swimming, or periscope for military reconnaissance, the glasses 100 include a glasses frame 110, a prism 120, and a light shielding plate 150, the prism 120 is disposed in the glasses frame 110, the prism 120 has a first optical surface 121 and a second optical surface 122 disposed at an angle, and light emitted from a target light source 300 under an eye 200 of a user can be incident into the prism 120 through the first optical surface 121, and then be emitted from the second optical surface 122 into the eye 200 of the user after a transmission path of the light is changed by the prism 120. The light shielding plate 150 is disposed adjacent to the second optical surface 122, and the light shielding plate 150 is used for blocking light emitted from the upper side of the second optical surface 122 from entering the eyes 200 of the user.

According to the glasses 100 provided by the utility model, the triangular prism 120 is provided with the first optical surface 121 and the second optical surface 122 which are arranged at an included angle, the light emitted by the target light source 300 below the eye 200 of the user can be incident into the triangular prism 120 through the first optical surface 121, then is emitted into the eye 200 of the user from the second optical surface 122 after the transmission path of the light is changed through the triangular prism 120, so that the user can see the scene below the eye 200 without looking straight ahead through the eye 200 without looking down, and in the scheme, the light shielding plate 150 is arranged close to the second optical surface 122, and the light shielding plate 150 can block the light emitted from the upper side of the second optical surface 122 from entering into the eye 200 of the user, so that the inverted image which can be seen through obliquely observing the second optical surface 122 can be sufficiently shielded, and meanwhile, the light shielding plate 150 can not shield the forward-looking image which can be seen through the second optical surface 122, so that the user can see the forward-looking image of the target below the eye 200 without looking down directly in front.

As shown in fig. 1, the glasses 100 further include an adjusting assembly 160, where the adjusting assembly 160 is connected to the light-shielding plate 150, and the adjusting assembly 160 is configured to drive the light-shielding plate 150 to move up and down relative to the second optical surface 122, so as to adapt to the outline sizes of the eyes 200 of different users, and ensure that the light-shielding plate 150 can fully shield the upper side view angle of the second optical surface 122, thereby ensuring that the inverted image is effectively and fully shielded.

In the first embodiment, the adjusting component 160 includes a driving member and a telescopic rod, the driving member is mounted on the mirror frame 110, one end of the telescopic rod is connected with the driving member, the other end of the telescopic rod is connected with the light shielding plate 150, and the driving member is used for driving the telescopic rod to stretch and retract along the axial direction of the telescopic rod, so as to drive the light shielding plate 150 to move up and down along the axial direction of the telescopic rod relative to the second optical surface 122.

In the second embodiment, the adjusting component 160 includes a slider, a sliding rail and a driving member, the sliding rail is mounted on the frame 110 and extends along the vertical direction, the slider is slidably disposed on the sliding rail, the light-shielding plate 150 is connected to the slider, the driving member is in transmission connection with the slider, and the driving member can drive the slider to move relative to the sliding rail, so as to drive the light-shielding plate 150 to move up and down relative to the second optical surface 122.

In the third embodiment, the adjusting component 160 includes a lifting driving shaft and a driving screw, the axial direction of the lifting driving shaft is perpendicular to the axial direction of the driving screw, the lifting driving shaft is rotatably disposed on the lens frame 110, the driving screw is disposed through the light shielding plate 150 and is screwed with the light shielding plate 150, and the lifting driving shaft is meshed with the driving screw, the lifting driving shaft can be driven to rotate around the axial direction of the driving screw, and the driving screw is driven to rotate around the axial direction of the driving screw through the meshing transmission of the lifting driving shaft and the driving screw, so as to drive the light shielding plate 150 to move up and down along the axial direction of the driving screw relative to the second optical surface 122.

Further, one end of the lifting driving shaft is provided with one of a worm wheel and a worm, one end of the transmission screw rod is provided with the other one of the worm wheel and the worm, and the worm wheel is meshed with the worm so as to realize the mutual meshing between the lifting driving shaft and the transmission screw rod. In one embodiment, one end of the lifting drive shaft is provided with a worm wheel, one end of the transmission screw is provided with a worm, in other embodiments, one end of the lifting drive shaft is provided with a worm, and one end of the transmission screw is provided with a worm wheel. Further, one end of the lifting driving shaft is further provided with a crank which is convenient for applying an external force for driving the lifting driving shaft to rotate around the axial direction of the lifting driving shaft, specifically, one of the worm wheel and the worm is arranged at one end of the lifting driving shaft, and the crank is arranged at the other end of the lifting driving shaft.

In the third embodiment, the adjusting assembly 160 further includes a connection nut, which is inserted through and fixed to the light shielding plate 150, and is screwed with one end of the transmission screw. Specifically, because the lifting driving shaft and the transmission screw rod are meshed with each other, when the crank is rocked, the transmission screw rod can rotate around the axial direction of the transmission screw rod when the lifting driving shaft rotates around the axial direction of the transmission screw rod, and accordingly the connecting nut and the light shielding plate 150 are driven to lift along the axial direction of the transmission screw rod.

As shown in fig. 2, in the embodiment, the number of the triangular prisms 120 and the number of the light shielding plates 150 are two, the two triangular prisms 120 are arranged in the lens frame 110 at intervals, the two triangular prisms 120 are symmetrical to each other about the vertical center line of the lens frame 110, and the two light shielding plates 150 are respectively in one-to-one correspondence with the two triangular prisms 120.

As shown in fig. 1, 3 and 4, the glasses 100 further includes a first light shielding portion 130 and a second light shielding portion 140, where the first light shielding portion 130 and the second light shielding portion 140 are both connected to the lens frame 110, the first light shielding portion 130 and the second light shielding portion 140 are respectively disposed at two sides of the first optical surface 121, and the first light shielding portion 130 and the second light shielding portion 140 are used for blocking interference light emitted by other light sources below the eyes 200 of the user from entering the prism 120 through the first optical surface 121.

Since the first light shielding portion 130 and the second light shielding portion 140 are respectively disposed on two sides of the first optical surface 121, the first light shielding portion 130 and the second light shielding portion 140 can block the interference light emitted by other light sources below the user's eye 200 from entering the prism 120 through the first optical surface 121, so that the interference light emitted by other light sources below the user's eye 200 is effectively and sufficiently eliminated or blocked, and thus the superposition interference of the light emitted from the second optical surface 122 to the user's eye 200 is avoided, and the user's eye 200 is ensured to clearly see the target scene below the eye 200.

Further, for convenience of description, the rear side 112 of the lens frame 110 is defined as a side of the lens frame 110 close to the eyes 200 of the user, the front side 111 of the lens frame 110 is defined as a side of the lens frame 110 away from the eyes 200 of the user, the first light shielding portion 130 is connected to the rear side 112 of the lens frame 110, and the second light shielding portion 140 is connected to the front side 111 of the lens frame 110.

It will be appreciated that when there is strong light reflection from the outside, there is a portion of interference light reflected from the first light shielding portion 130 and/or the second light shielding portion 140 into the prism 120, so that the imaged image of the eye 200 of the user is not clear.

In order to clearly inject the object scene to be observed into the eyes 200 of the user, the side of the first light shielding part 130 facing the object light source 300 is made of black non-reflective material; and/or the side of the first light shielding part 130 facing away from the target light source 300 is made of a black non-reflective material; and/or the side of the second light shielding part 140 facing the target light source 300 is made of a black non-reflective material; and/or the side of the second light shielding part 140 facing away from the target light source 300 is made of black non-reflective material, so that the interference of other light sources on the imaging of the target light source 300 is greatly reduced, and the eyes 200 of the user can clearly see the target scene under the eyes 200.

It should be noted that in one embodiment, the black non-reflective material may be, but is not limited to, black matte rubber.

As shown in fig. 1, in an embodiment, the extending direction of the first light shielding portion 130 is parallel to the extending direction of the first optical surface 121, and the extending direction of the second light shielding portion 140 is perpendicular to the extending direction of the first optical surface 121.

The triangular prism 120 is detachably disposed in the mirror frame 110. Specifically, the triangular prism 120 can be detachably connected with the mirror frame 110 in a clamping manner, so that the manufacture, the matching and the installation of the triangular prism 120 become more flexible, and a plurality of adaptation models can be customized according to the needs of users. The number of the triangular prisms 120, the number of the first light shielding portions 130 and the number of the second light shielding portions 140 are two, and the two first light shielding portions 130 and the two second light shielding portions 140 are respectively in one-to-one correspondence with the two triangular prisms 120.

As shown in fig. 1, the prism 120 further includes a third optical surface 123, where the third optical surface 123 is disposed at an angle with both the first optical surface 121 and the second optical surface 122, and light emitted from the target light source 300 below the eye 200 of the user can enter the third optical surface 123 through the first optical surface 121, then be reflected back to the first optical surface 121 through the third optical surface 123, then be reflected to the second optical surface 122 by the first optical surface 121 and be emitted from the second optical surface 122 into the eye 200 of the user, that is, the transmission path of the light is changed by multiple reflections of the light facing the multiple optical surfaces of the prism 120, so as to change the viewing direction of the user and obtain an undistorted front view image, so that the user can also see the target scene below the eye 200 without looking straight ahead through the eye 200 at a low head.

In an embodiment, the prism 120 is a right-angle prism, the cross section of the prism 120 is a right triangle, the first optical surface 121 corresponds to the hypotenuse of the right triangle, the second optical surface 122 corresponds to the first right-angle side of the right triangle, the third optical surface 123 corresponds to the second right-angle side of the right triangle, the length of the first right-angle side is smaller than that of the second right-angle side, the second optical surface 122 extends along the vertical direction, the third optical surface 123 extends along the horizontal direction, the included angle formed between the first optical surface 121 and the third optical surface 123 is 30 °, the included angle formed between the first optical surface 121 and the second optical surface 122 is 60 °, and the included angle formed between the second optical surface 122 and the third optical surface 123 is 90 °.

As shown in fig. 4, the lens frame 110 is provided with an incident guide groove 113, and the incident guide groove 113 is used for guiding light emitted from the target light source 300 to the first optical surface 121. The first light shielding portion 130 and the second light shielding portion 140 respectively constitute opposite side walls of the incident guide groove 113, the first optical surface 121 is disposed at an outlet end of the incident guide groove 113, the outlet end of the incident guide groove 113 is disposed away from the target light source 300, and the inlet end of the incident guide groove 113 is disposed close to the target light source 300. The width of the incident guide groove 113 gradually decreases from the inlet end of the incident guide groove 113 to the outlet end of the incident guide groove 113.

As shown in fig. 2, further, the first light shielding portion 130 extends in a direction away from the lens frame 110, the first light shielding portion 130 encloses and forms an exit guide groove 132, the exit guide groove 132 is used for guiding the light emitted from the second optical surface 122 to emit into the eyes 200 of the user, the second optical surface 122 is disposed at an entrance end of the exit guide groove 132, the entrance end of the exit guide groove 132 is disposed away from the eyes 200 of the user, an exit end of the exit guide groove 132 is disposed close to the eyes 200 of the user, and a width of the exit guide groove 132 gradually increases from the entrance end of the exit guide groove 132 to the exit end of the exit guide groove 132.

Specifically, the first light shielding portion 130 extends in a direction away from the rear side 112 of the lens frame 110, and the contour of the first light shielding portion 130 matches the contour of the eyes 200 of the user, so that the first light shielding portion 130 is semi-elliptical, and the user can wear the glasses 100 comfortably. The second light shielding portion 140 extends obliquely downward in a direction away from the top of the frame 110.

In an embodiment, the light shielding plate 150 is located in the exit guiding groove 132, the light shielding plate 150 is disposed parallel to the second optical surface 122 at intervals, and both the light shielding plate 150 and the second optical surface 122 extend along the vertical direction.

As shown in fig. 4 and 5, the glasses 100 further include a cover 170, the cover 170 is disposed on the front side 111 of the frame 110, and the cover 170 is located on a side of the second light shielding portion 140 facing away from the first light shielding portion 130. The cover plate 170 is detachably connected to the mirror frame 110, the cover plate 170 can be detachably connected to the mirror frame 110 in a clamping manner, and the cover plate 170 can also be detachably connected to the mirror frame 110 in a threaded connection manner. Further, a hollow cavity 172 is formed between the cover plate 170 and the second light shielding portion 140.

As shown in fig. 1, the glasses 100 further include two legs 180 for being worn by a user, and the two legs 180 are respectively disposed at two ends of the frame 110. Specifically, the temple 180 is rotatably coupled to the frame 110 to facilitate folding and stowing of the eyeglasses 100.

The foregoing description of the preferred embodiments of the present utility model should not be construed as limiting the scope of the utility model, but rather should be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the following description and drawings or any application directly or indirectly to other relevant art(s).

Claims

1. An eyeglass, comprising:

a frame;

2. The eyewear of claim 1, further comprising an adjustment assembly coupled to the mask, the adjustment assembly configured to move the mask up and down relative to the second optical surface.

3. The pair of glasses according to claim 2, wherein the adjusting assembly comprises a driving member and a telescopic rod, the driving member is mounted on the glasses frame, one end of the telescopic rod is connected with the driving member, the other end of the telescopic rod is connected with the light shielding plate, and the driving member is used for driving the telescopic rod to stretch and retract along the axial direction of the telescopic rod, so that the light shielding plate is driven to move up and down along the axial direction of the telescopic rod relative to the second optical surface.

4. The pair of glasses according to claim 2, wherein the adjusting assembly comprises a slider, a sliding rail and a driving member, the sliding rail is mounted on the glasses frame and extends along a vertical direction, the slider is slidably disposed on the sliding rail, the light shielding plate is connected to the slider, the driving member is in transmission connection with the slider, and the driving member can drive the slider to move relative to the sliding rail, so as to drive the light shielding plate to move up and down relative to the second optical surface.

5. The pair of glasses according to claim 2, wherein the adjusting assembly comprises a lifting driving shaft and a transmission screw rod, the axial direction of the lifting driving shaft is perpendicular to the axial direction of the transmission screw rod, the lifting driving shaft is rotatably arranged on the glasses frame, the transmission screw rod penetrates through the light shielding plate and is in threaded engagement with the light shielding plate, the lifting driving shaft is meshed with the transmission screw rod, the lifting driving shaft can be driven to rotate around the axial direction of the transmission screw rod, and the transmission screw rod can be driven to rotate around the axial direction of the transmission screw rod through the meshed transmission of the lifting driving shaft and the transmission screw rod so as to drive the light shielding plate to move up and down along the axial direction of the transmission screw rod relative to the second optical surface.

6. The pair of glasses according to claim 1, wherein the number of the triangular prisms and the number of the light shielding plates are two, the two triangular prisms are arranged in the glasses frame at intervals, and the two light shielding plates are respectively in one-to-one correspondence with the two triangular prisms.

7. The pair of glasses according to claim 1, further comprising a first light shielding portion and a second light shielding portion, wherein the first light shielding portion and the second light shielding portion are both connected to the frame, and the first light shielding portion and the second light shielding portion are respectively disposed on two sides of the first optical surface, and the first light shielding portion and the second light shielding portion are used for blocking light emitted by other light sources below eyes of a user from entering the prism through the first optical surface.

8. The eyewear of claim 7, wherein a side of the first light-shielding portion facing the target light source is made of a black non-reflective material; and/or the side surface of the first shading part facing away from the target light source is made of black non-reflective materials; and/or the side surface of the second shading part facing the target light source is made of black non-reflective materials; and/or the side surface of the second shading part facing away from the target light source is made of black non-reflective materials.

9. The eyewear of claim 1, wherein the triangular prism further comprises a third optical surface disposed at an angle to both the first optical surface and the second optical surface, wherein light from a target light source below the user's eye is able to enter the third optical surface through the first optical surface, then reflect back through the third optical surface to the first optical surface, then reflect back through the first optical surface to the second optical surface and exit from the second optical surface into the user's eye.

10. The eyewear of claim 1, further comprising at least one of the following:

the triangular prism is detachably arranged in the mirror frame; and