CN220603799U - Far-near dual-purpose low vision glasses vision aid - Google Patents
Far-near dual-purpose low vision glasses vision aid Download PDFInfo
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- CN220603799U CN220603799U CN202322078851.5U CN202322078851U CN220603799U CN 220603799 U CN220603799 U CN 220603799U CN 202322078851 U CN202322078851 U CN 202322078851U CN 220603799 U CN220603799 U CN 220603799U
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- 230000004438 eyesight Effects 0.000 title claims abstract description 92
- 208000010415 Low Vision Diseases 0.000 title claims abstract description 55
- 239000011521 glass Substances 0.000 title claims abstract description 55
- 230000004303 low vision Effects 0.000 title claims abstract description 55
- 238000003384 imaging method Methods 0.000 claims abstract description 29
- 230000009977 dual effect Effects 0.000 claims abstract description 6
- 230000000007 visual effect Effects 0.000 claims abstract description 6
- 208000001491 myopia Diseases 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010017577 Gait disturbance Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 238000000605 extraction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of vision aids, and particularly relates to a vision aid for low vision glasses with dual purposes of far and near, which comprises a glasses body, wherein the glasses body comprises: the device comprises a spectacle frame, a left eye structure and a right eye structure which are arranged on the spectacle frame; the left eye structure comprises a vision aid unit, and/or the right eye structure comprises a vision aid unit; the vision aiding unit comprises: a lens, a reflective assembly; focusing assembly, imaging assembly, display assembly; the first reflecting surface of the reflecting component covers the first area of the lens at a specified angle and is used for reflecting light rays in the visual field range of the first area of the lens into the focusing component; the imaging component and the focusing component are arranged on the light path of the reflected light of the reflecting component, the focusing component focuses the reflected light, and the imaging component images the light after focusing; the display assembly displays the imaging result of the imaging assembly. The low vision glasses vision aid can be used for far-distance and near-distance at any time and any place, and is low in cost and convenient to carry.
Description
Technical Field
The utility model belongs to the technical field of vision aids, and particularly relates to a vision aid for low-vision glasses with dual purposes of far and near.
Background
Currently, in order to improve the vision of a low vision patient and improve the quality of life of the low vision patient, most of the vision aids for the low vision patient on the market are optical vision aids, which are divided into separate distance vision aids and near vision aids. The remote vision aid is mainly a telescope type vision aid, can enlarge a remote target, has the defects that the visual field is obviously reduced, and a near target becomes large and is not suitable for observing a near object; the near vision aid is mainly a near vision aid for glasses, a vertical magnifying glass, a handheld magnifying glass and the like, can solve the reading or some near work requirements of low vision patients, but cannot be used for observing distant objects.
Therefore, in order to improve the convenience and the quality of life of the daily life of the low vision crowd, a portable low vision glasses vision aid capable of integrating the far vision aid and the near vision aid on a carrier to realize the near and far vision is needed.
Disclosure of Invention
First, the technical problem to be solved
In order to solve the problems in the prior art, the utility model provides the low-vision glasses vision aid for both far and near, which has low cost and convenient operation and realizes both far and near.
(II) technical scheme
In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:
a low vision eyeglass vision aid for both near and far comprising:
glasses body, the glasses body includes: the device comprises a spectacle frame, a left eye structure and a right eye structure which are arranged on the spectacle frame;
the left eye structure comprises a vision assisting unit, and/or the right eye structure comprises a vision assisting unit;
the vision aiding unit comprises: a lens, a reflective assembly; focusing assembly, imaging assembly, display assembly;
the first reflecting surface of the reflecting component covers the first area of the lens at a specified angle and is used for reflecting light rays in the visual field range of the first area of the lens into the focusing component;
the imaging component and the focusing component are arranged on the light path of the reflected light of the reflecting component, the focusing component focuses the reflected light, and the imaging component images the light after focusing;
the display component is electrically connected with the imaging component, and the display component displays the imaging result of the imaging component.
Optionally, the first region is a region near the center of the frame;
the area of the reflecting component accounts for 1/2-7/8 of the area of the lens.
Optionally, the reflective component is a reflective film coated with a reflective material; and the reflective film is positioned on the back of the lens facing the eye, i.e., reflects light that can be picked up in front of the eye, to form reflected light.
Optionally, the focusing assembly includes: a movable inserted objective lens and a movable eyepiece;
the objective lens is arranged on the support frame, the support frame is movably arranged on the base, and a manual adjusting knob for adjusting the support frame is arranged outside the base;
when the low vision glasses vision aid is used as a distance vision aid, the manual adjusting knob adjusts the objective lens to be positioned on a main light path where the focusing assembly is positioned; the objective lens and the ocular lens form a telescope system;
when the low vision glasses vision aid is used as a near vision aid, the manual adjusting knob adjusts that the objective lens is not positioned on a main light path of the focusing assembly, so that a magnifying glass system is formed.
Optionally, an adjusting hand wheel is arranged on the base and is connected with the ocular;
when the low-vision glasses vision aid is used as a far vision aid, the adjusting hand wheel is used for adjusting the distance between the objective lens and the ocular lens, so that the telescope system is optimal, namely the user eyes can see the clearest content;
when the low vision glasses vision aid is used as a near vision aid, the adjusting hand wheel is used for adjusting the ocular lens, so that the magnifying glass system is optimal, namely the user eyes can see the clearest content.
Optionally, the magnification of the telescope system is 2.5 times to 3 times;
the focusing assembly is fixed at a non-first area of the lens or at an edge of the frame.
Optionally, the imaging component is a CCD;
the display component is a display screen with the same area as the lens, and the content displayed by the display screen faces the eyes of the user.
Optionally, the display component is a display screen fixed in the central area of the lens, and the content displayed by the display screen faces the eyes of the user.
(III) beneficial effects
The beneficial effects of the utility model are as follows:
the low vision glasses vision aid for far and near can be provided with a vision aid unit in a left eye structure or comprise a vision aid unit in a right eye structure, and is flexibly configured. Meanwhile, the vision assisting unit is integrated with the focusing processing capacity of the telescope system and the focusing processing capacity of the magnifying glass system, and the specific focusing processing capacity is selected based on user triggering in specific use, so that the user can realize the function of the far-distance vision assisting device and the function of the near-distance vision assisting device.
The low vision glasses vision aid for far and near use has low cost, is convenient to carry and can effectively ensure the use of users.
Drawings
FIG. 1 is a schematic diagram of a low vision eyeglass aid for both near and far use according to the present utility model;
FIG. 2 is a schematic diagram of a low vision eyeglass aid for both near and far use as a distance vision aid;
fig. 3 is a schematic diagram of a low vision glasses aid for both near and far use as a near vision aid.
[ reference numerals description ]
1: a frame;
2: a reflective assembly;
3: a focusing assembly;
4：CCD；
5: a display assembly;
6: a vision assisting unit of a left eye structure;
7: a vision assisting unit of a right eye structure;
8: an eyepiece;
9: an objective lens.
Detailed Description
In order that the above-described aspects may be better understood, exemplary embodiments of the present utility model will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present utility model are shown in the drawings, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.
The remote vision aids in the market at present are all hand-held, the visual field can be reduced in the use process, and the remote vision aids are only suitable for being used in a static state and have great difficulty in walking or driving; the operation of the near vision aid is unchanged, and the vision aid needs to be continuously moved by hands. Therefore, the vision aid which can be used for observing objects at a distance and objects at a close distance can meet the requirement of observing objects at a distance in daily life of a low vision user to a great extent, the use of the vision aid at a distance and the use of the vision aid at a near distance do not need to be frequently switched, and the life quality of the low vision patient is improved to a great extent.
The embodiment provides a low vision glasses aid for far and near dual-purpose, which comprises:
glasses body, the glasses body includes: the device comprises a spectacle frame, a left eye structure and a right eye structure which are arranged on the spectacle frame;
the left eye structure comprises a vision assisting unit;
the vision aiding unit comprises: a lens, a reflective assembly; focusing assembly, imaging assembly, display assembly;
the first reflecting surface of the reflecting component covers the first area of the lens at a specified angle and is used for reflecting light rays in the visual field range of the first area of the lens into the focusing component; generally, the first region can be a region near the center of the frame; the area of the reflecting component accounts for 1/2-7/8 of the area of the lens so as to effectively ensure the quantity of received light. In practice, the reflective assembly may employ a reflective film/mirror coated with a reflective material; and the reflective film/mirror is located on the back of the optic facing the eye, i.e., the reflective film/mirror is located on the back of the optic facing the eye, so that light that can be picked up in front of the reflective eye forms reflected light.
The imaging component and the focusing component are arranged on the light path of the reflected light of the reflecting component, the focusing component performs focusing treatment of a telescope system or focusing treatment of a magnifying glass system on the reflected light, and the imaging component images the light after the focusing treatment; typically, the focusing assembly is secured to a non-first region of the lens or to the frame edge.
The display component is electrically connected with the imaging component, and the display component displays the imaging result of the imaging component. For example, the imaging component may be a CCD; the display assembly may be a display screen having the same area as the lens and the content displayed by the display screen is directed toward the eyes of the user. In addition, the display component can also be a display screen fixed in the central area of the lens, and the content displayed by the display screen faces the eyes of the user.
In a specific application, the imaging component, the focusing component and the display component are all supported and installed by the base or the fixing seat, and the supporting and installing structure is an existing mode, and the detailed description of the embodiment is omitted.
In other embodiments, the right eye structure of the low vision glasses vision aid for both near and far comprises a vision aid unit; alternatively, both the right eye structure and the left eye structure of the low vision glasses vision aid for both near and far use comprise vision aid units.
In practical application, according to the selection, part of users may have one eye in a low vision state, so that the corresponding low vision glasses vision aid for near and far use can be selected, and flexible configuration of the users is realized. Namely, the left eye equipped vision-aiding unit, the right eye equipped vision-aiding unit or the double eye equipped vision-aiding unit is selected according to the vision-aiding requirements of the left eye and the right eye of the user.
When the right eye structure and the left eye structure of the low vision glasses vision aid for far and near use comprise vision aid units, the vision aid units of the left eye structure and the vision aid units of the right eye structure are symmetrical structures, and the main structural parts of the vision aid units are identical.
As shown in fig. 1, the focusing assembly of the present embodiment may include: a movable inserted objective lens 9 and a movable ocular lens 8;
the objective lens is arranged on a supporting frame (not shown in the figure), the supporting frame is movably arranged on a base (not shown in the figure), and a manual adjusting knob for adjusting the supporting frame is arranged outside the base;
when the low vision glasses vision aid is used as a distance vision aid, the manual adjusting knob adjusts the objective lens 9 to be positioned on a main light path where the focusing assembly is positioned; the objective lens 9 and the ocular lens 8 form a telescope system;
when the low vision glasses vision aid is used as a near vision aid, the manual adjusting knob adjusts that the objective lens 9 is not positioned on a main light path of the focusing assembly, so that a magnifying lens system is formed.
In addition, an adjusting hand wheel is arranged on the base and is connected with the ocular 8;
when the low-vision glasses vision aid is used as a distance vision aid, the adjusting hand wheel is used for adjusting the distance between the objective lens 9 and the ocular lens 8 so as to optimize a telescope system; the magnification of the telescope system can be 2.5-3 times;
when the low vision glasses vision aid is used as a near vision aid, the adjusting hand wheel is used for adjusting the ocular lens 8 so as to optimize the magnifying glass system.
The arrows in fig. 1 indicate the direction in which the objective lens and the eyepiece move. Specifically, light of an observed object is reflected by the reflecting component 2 and enters the focusing component 3, the observed object is imaged on the imaging component such as the CCD 4, the image obtained by the CCD 4 is transmitted to the display component 5 through electrons, and the display component 5 is positioned in front of eyes of a user. In the process of transmitting the image to the display module 5 by the CCD 4, the image may be enlarged, brightness changed, and the like as required for adjustment.
The vision assisting unit of the embodiment integrates the focusing processing capability of the telescope system and the focusing processing capability of the magnifying glass system, and selects the specific focusing processing capability based on user triggering in specific use, so that the user can realize the function of the far-distance vision assisting device and the function of the near-distance vision assisting device.
The low-vision glasses vision aid for far and near use has the advantages of low cost and portability, and can effectively ensure the effective use of users.
Fig. 2 shows a schematic diagram of a low vision glasses vision aid for both near and far as a far vision aid, and in fig. 2, a left eye vision aid unit 6 and a right eye vision aid unit 7 are the same, and are symmetrically arranged.
Specifically, a left eye structure is described as an example, and the vision-aiding unit is mounted on the left eye structure of the frame 1. The light enters the focusing assembly 3 through the reflecting assembly 2, the focusing assembly 3 amplifies the reflected light of the reflecting assembly 2 to be amplified like a telescope system, then the amplified light enters an imaging assembly such as a CCD 4, and then an image imaged by the CCD 4 is displayed on the display assembly 5 so that the user can view the image.
The eyepiece 9 and the objective lens 8 in the focusing assembly 3 are both in the main optical path of the reflecting assembly 2, and the CCD is also in the main optical path of the reflecting assembly 2.
The objective lens 8 can be moved left and right by means of an adjusting hand wheel (not shown in the figure) to achieve an optimal effect of the distance vision aid.
As shown in fig. 3, fig. 3 shows a schematic diagram of a low vision glasses aid for both near and far as a near vision aid, and in fig. 3, the left-eye vision aid unit 6 and the right-eye vision aid unit 7 are the same, and are symmetrically arranged.
At this time, the objective lens 9 is not provided in both the left-eye-structured vision aid unit 6 and the right-eye-structured vision aid unit 7.
As shown in connection with fig. 2 and 3, the objective lens 9 can be inserted and extracted to be suitable for both the far-field and near-field modes. When the objective lens 9 is positioned in the main light path, the function of the remote vision aid can be realized; when the objective lens 9 is moved out of the main optical path, the function of the near vision aid can be achieved.
When a user looks away, the objective lens 9 and the ocular lens 8 form a telescope system, and the magnification of the telescope system is 2.5x-3x, so that the telescope system is suitable for binocular remote vision aids. For users with different sphere power, the user can adjust the distance between the ocular lens 8 and the objective lens 9 by adjusting the adjusting hand wheel on the lens holder, so as to find a clear position suitable for the user.
When the user looks near, the objective lens 9 is moved out of the main light path by manually adjusting the knob, and the focusing assembly forms a magnifying lens system at the moment, so that the near vision aid is realized. Also, the user can adjust the position of the eyepiece 8 by adjusting the adjusting hand wheel on the mirror frame to find a clear position suitable for himself.
In this embodiment, the user can control the insertion and the extraction of the objective lens 9 through the manual adjustment knob to realize the switching of the far-use low-vision aid and the near-use low-vision aid. Meanwhile, by means of the adjusting hand wheel, a clear position suitable for the user can be found, namely, the far-use low-vision aid and the near-use low-vision aid are realized by means of focusing of the optical system, and the low-vision aid has good portability and low cost for low-vision users. In addition, the vision aid of the embodiment can effectively relieve the hands of a user, so that the user can operate the vision aid more conveniently.
In the description of the present specification, the terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., refer to a particular feature, structure, or characteristic described in connection with the embodiment or example as being included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that alterations, modifications, substitutions and variations may be made in the above embodiments by those skilled in the art within the scope of the utility model.
Claims (8)
1. A low vision glasses vision aid for both near and far use, comprising:
glasses body, the glasses body includes: the device comprises a spectacle frame, a left eye structure and a right eye structure which are arranged on the spectacle frame;
the left eye structure comprises a vision assisting unit, and/or the right eye structure comprises a vision assisting unit;
the vision aiding unit comprises: a lens, a reflective assembly; focusing assembly, imaging assembly, display assembly;
the first reflecting surface of the reflecting component covers the first area of the lens at a specified angle and is used for reflecting light rays in the visual field range of the first area of the lens into the focusing component;
the imaging component and the focusing component are arranged on the light path of the reflected light of the reflecting component, the focusing component performs focusing treatment of a telescope system or focusing treatment of a magnifying glass system on the reflected light, and the imaging component images the light after the focusing treatment;
the display component is electrically connected with the imaging component, and the display component displays the imaging result of the imaging component.
2. The near-far low vision eyeglass aid of claim 1, wherein the first zone is a zone near the center of the frame;
the area of the reflecting component accounts for 1/2-7/8 of the area of the lens.
3. The near-far low vision glasses aid according to claim 1 or 2, wherein the reflection assembly is a reflection film coated with a reflection material; and the reflective film is positioned on the back of the lens facing the eye.
4. The near-far dual purpose low vision eyeglass aide of claim 1, wherein the focusing assembly comprises: an objective lens (9) which is movably inserted and a movable eyepiece (8);
the objective lens is arranged on the support frame, the support frame is movably arranged on the base, and a manual adjusting knob for adjusting the support frame is arranged outside the base;
when the low-vision glasses vision aid is used as a distance vision aid, the manual adjusting knob adjusts the objective lens (9) to be positioned on a main light path where the focusing assembly is positioned; the objective lens (9) and the ocular lens (8) form a telescope system;
when the low-vision glasses vision aid is used as a near vision aid, the manual adjusting knob adjusts that the objective lens (9) is not positioned on a main light path of the focusing assembly, so that a magnifying glass system is formed.
5. The vision aid for low vision glasses for near and far use according to claim 4, characterized in that an adjusting hand wheel is arranged on the base, and the adjusting hand wheel is connected with the ocular (8);
when the low-vision glasses vision aid is used as a distance vision aid, the adjusting hand wheel is used for adjusting the distance between the objective lens (9) and the ocular lens (8) so as to optimize a telescope system;
when the low vision glasses vision aid is used as a near vision aid, the adjusting hand wheel is used for adjusting the ocular lens (8) so as to optimize the magnifying glass system.
6. The near-far dual purpose low vision glasses aid according to claim 4, wherein,
the magnification of the telescope system is 2.5-3 times;
the focusing assembly is fixed at a non-first area of the lens or at an edge of the frame.
7. The near-far dual purpose low vision eyeglass aid of claim 1, wherein the imaging assembly is a CCD;
the display component is a display screen with the same area as the lens, and the content displayed by the display screen faces the eyes of the user.
8. The near-far dual purpose low vision glasses aid according to claim 1, wherein,
the display component is a display screen fixed in the central area of the lens, and the content displayed by the display screen faces the eyes of the user.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322078851.5U CN220603799U (en) | 2023-08-03 | 2023-08-03 | Far-near dual-purpose low vision glasses vision aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322078851.5U CN220603799U (en) | 2023-08-03 | 2023-08-03 | Far-near dual-purpose low vision glasses vision aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220603799U true CN220603799U (en) | 2024-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322078851.5U Active CN220603799U (en) | 2023-08-03 | 2023-08-03 | Far-near dual-purpose low vision glasses vision aid |
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| Country | Link |
|---|---|
| CN (1) | CN220603799U (en) |
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2023
- 2023-08-03 CN CN202322078851.5U patent/CN220603799U/en active Active
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