CN213030622U - Visual field shielding device - Google Patents
Visual field shielding device Download PDFInfo
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- CN213030622U CN213030622U CN202020642511.4U CN202020642511U CN213030622U CN 213030622 U CN213030622 U CN 213030622U CN 202020642511 U CN202020642511 U CN 202020642511U CN 213030622 U CN213030622 U CN 213030622U
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Abstract
The utility model discloses a visual field blocker, belonging to the technical field of auxiliary tools for visual examination, which comprises a spectacle frame, two light shields and a light barrier; the glasses frame comprises a frame body and two glasses legs which are arranged at the rear side of the frame body at intervals; the frame body is provided with a visual field observation hole which penetrates through the front side and the rear side of the frame body; the two light shields are arranged on the rear side of the frame body at intervals and are arranged opposite to the visual field observation hole; the top of the frame body is provided with a slot, the light blocking sheet is inserted into the slot and is connected with the slot in a sliding manner, and the sliding direction is the length direction of the slot; the light blocking sheet selectively blocks one of the light shields through sliding; the utility model provides a current field of vision inspection or visual inspection time measuring lead to the inconvenient problem of sheltering from the monocular of testee because of there is not special field of vision to shelter from the ware.
Description
Technical Field
The utility model relates to an eyesight inspection appurtenance technical field, in particular to field of vision shelters from ware.
Background
At present, in the process of ophthalmology visual field examination or vision detection, a testee usually adopts a wooden spoon-shaped baffle plate to shield the untested eyes so as to test the visual field of a single eye; however, the method has the defect of poor shading effect, so that interference is formed on visual inspection, and the detection accuracy is further influenced; in addition, the testee needs to hold the baffle and answer the operator in the test process, so that the stability of the baffle is difficult to maintain; therefore, it is necessary to provide a view blocker to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In view of the above, there is a need for a visual field blocker, which is used to solve the problem of the existing visual field examination or visual detection that the single eye is blocked by the examinee inconveniently because no special visual field blocker exists.
In order to achieve the above purpose, the utility model adopts the technical proposal that:
a visual field blocker comprises a spectacle frame, two light shields and a light blocking sheet; the glasses frame comprises a frame body and two glasses legs which are arranged at the rear side of the frame body at intervals; the frame body is provided with a visual field observation hole which penetrates through the front side and the rear side of the frame body; the two light shields are arranged on the rear side of the frame body at intervals and are arranged opposite to the visual field observation hole; the top of the frame body is provided with a slot, the light blocking sheet is inserted into the slot and is connected with the slot in a sliding manner, and the sliding direction is the length direction of the slot; the light blocking sheet selectively blocks one of the light shielding covers by sliding.
Preferably, the frame body and the two temples are made of plastic.
Preferably, one side of the frame body facing the human body is in a concave arc shape.
Preferably, the thickness of the frame body is 0.4-0.6 cm.
Preferably, the lower part of the frame body is provided with a groove used for matching with the bridge of the nose of a human body, and the slot is positioned above the groove.
Preferably, the length of the slot is greater than the length of the field of view observation hole.
Preferably, the bottom of the slot is lower than the viewing aperture.
Preferably, the top surface of the light blocking sheet is flush with the top surface of the frame body, and a push handle is arranged, and the push handle is 0.5-1.0cm higher than the frame body.
Preferably, the material of the light shield is silica gel.
Preferably, one side of the light shield, which is far away from the frame body, is provided with a matching part for fitting the eyes of a human body, and the matching part is in a concave arc shape.
Due to the adoption of the technical scheme, the utility model discloses following beneficial effect has:
1. the utility model is provided with two light shields at the rear side of the frame body, the light shields are matched with the light barrier, thereby having better light shielding effect and avoiding the influence on the accuracy of the result caused by poor light shielding in the inspection process; when the utility model is used, a testee puts two glasses legs of a glasses frame on two ears, the two eyes are respectively aligned with two light shields, the edges of the light shields are attached to the periphery of an eye frame, and the sealing effect is achieved; the light barrier is used for blocking the visual field of one eye of the testee, when the testee needs to convert the test eye, the light barrier is pushed to slide to the other end of the visual field observation hole, and the other eye is blocked, so that the operation is very simple and convenient.
2. The utility model discloses a light barrier is fixed to the structure of spectacle-frame, and does not need the handheld light barrier of testee, has liberated testee's both hands, and has better stability, solves handheld light barrier or the relatively poor problem of barn door stability, brings very big facility for the testee.
3. The utility model discloses a human one side of framework and lens hood contact is the concave arc form, and the laminating human of being convenient for accords with human biological structure, ensures laminating seal and stability, can also improve testee's contact comfort level simultaneously.
4. The utility model discloses still have advantages such as simple structure, convenient to use, cost of manufacture are low and the practicality is strong, can bring the facility for medical personnel and testee, have better popularization meaning.
Drawings
Fig. 1 is a top view of a visual field blocker provided by an embodiment of the present invention;
fig. 2 is a front view of a visual field blocker provided by an embodiment of the present invention;
fig. 3 is a schematic view illustrating an installation of a light barrier according to an embodiment of the present invention;
the main reference symbols in the drawings are as follows:
in the figure, 1-frame body, 2-glasses legs, 3-visual field observation holes, 4-slots, 5-grooves, 6-light shields, 7-matching parts, 8-light blocking sheets and 9-push handles.
The following detailed description of the invention will be further described in conjunction with the above-identified drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The accompanying drawings are only for illustrative purposes and are only schematic drawings rather than actual drawings, which are not intended to limit the present disclosure, and in order to better illustrate the embodiments of the present disclosure, some components of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product.
In the description of the present invention, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Examples
Referring to fig. 1-3, a view field blocker includes a frame, two light shields 6 and a light blocking sheet 8.
The eyeglass frame comprises a frame body 1 and two eyeglass legs 2 which are arranged at the rear side of the frame body 1 at intervals. The frame body 1 and the two legs 2 are made of plastic, so that the cost is low. According to current spectacle-frame structure, mirror leg 2 can design into folding structure, convenient storage. One side of the frame body 1 facing the human body is in a concave arc shape, so that the frame body is convenient to fit the human body. The thickness of the frame body 1 is 0.4-0.6cm, and the thickness is small, so that the advantage of portability is avoided. In this example, the thickness of the frame 1 was 0.5 cm. The lower part of the frame body 1 is provided with a groove 5 which is used for matching with the bridge of the nose of a human body, and the groove 5 can be erected on the bridge of the nose of a testee.
The frame body 1 is provided with a visual field observation hole 3, and the visual field observation hole 3 penetrates through the front side and the rear side of the frame body 1; wherein the visual field observation hole 3 is rectangular. The two light shields 6 are disposed at a distance from the rear side of the frame 1 and face the viewing port 3. The material of the light shield 6 is silica gel, and the light shield has good skin-friendly performance. One side that the lens hood 6 kept away from framework 1 is provided with cooperation portion 7 that is used for laminating human eye, and cooperation portion 7 is the concave arc form, and the human body of being convenient for laminate accords with human biological structure, ensures laminating seal and stability, can also improve testee's contact comfort level simultaneously. The structure of the light shield 6 can refer to the sealing cover of the swimming goggles in the prior art, and the sealing performance is ensured.
The top of the frame body 1 is provided with a slot 4, the light blocking sheet 8 is inserted in the slot 4 and is connected with the slot 4 in a sliding manner, and the sliding direction is the length direction of the slot 4; the light blocking sheet 8 alternatively blocks one of the light shields 6 by sliding. Wherein, slot 4 is located the top of recess 5, and the length of slot 4 is greater than the length of field of vision observation hole 3, and the bottom of slot 4 is less than field of vision observation hole 3. The top surface of the light blocking sheet 8 is flush with the top surface of the frame body 1, and a push handle 9 is arranged, and the push handle 9 is 10.5-1.0cm higher than the frame body; in this embodiment, the push handle 9 is 10.8cm higher than the frame. Preferably, when the light blocking sheet 8 is located at the front side of a light shielding cover 6, the light blocking sheet 8 can just contact the front side edge of the light shielding cover 6, further improving the light shielding effect.
The utility model is provided with two light shields 6 at the rear side of the frame body 1, the light shields 6 are matched with the light barrier, thereby having better light shielding effect and avoiding the influence on the accuracy of the result caused by poor light shielding in the inspection process; when the utility model is used, a testee puts the two legs 2 of the glasses frame on the ears, the eyes are respectively aligned with the two light shields 6, the edges of the light shields 6 are attached to the periphery of the eye frame, and the sealing effect is achieved; the light barrier is used for blocking the visual field of one eye of the testee, when the testee needs to convert the test eye, the other eye can be shielded by pushing the light barrier 8 to slide to the other end of the visual field observation hole 3, and the operation is very simple and convenient. The utility model discloses a light barrier 8 is fixed to the structure of spectacle-frame, and does not need the handheld light barrier 8 of testee, has liberated testee's both hands, and has better stability, solves the relatively poor problem of handheld light barrier 8 or barn door stability, brings very big facility for the testee. Furthermore, the utility model discloses still have advantages such as simple structure, convenient to use, cost of manufacture are low and the practicality is strong, can bring the facility for medical personnel and testee, have better popularization meaning.
The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.
Claims (10)
1. The utility model provides a field of vision obstructs ware, includes a spectacle-frame, the spectacle-frame includes that framework and interval set up two mirror legs at the framework rear side, its characterized in that: the visual field blocker also comprises two light shields and a light blocking sheet;
the frame body is provided with a visual field observation hole which penetrates through the front side and the rear side of the frame body; the two light shields are arranged on the rear side of the frame body at intervals and are arranged opposite to the visual field observation hole; the top of the frame body is provided with a slot, the light blocking sheet is inserted into the slot and is connected with the slot in a sliding manner, and the sliding direction is the length direction of the slot; the light blocking sheet selectively blocks one of the light shielding covers by sliding.
2. A view shield as claimed in claim 1, wherein: the frame body and the two glasses legs are made of plastics.
3. A visual field blocker according to claim 2, wherein: one side of the frame body, which faces towards the human body, is in a concave arc shape.
4. A visual field blocker according to claim 3, wherein: the thickness of the frame body is 0.4-0.6 cm.
5. A view shield as claimed in claim 4, wherein: the lower part of the frame body is provided with a groove used for matching with the bridge of the nose of a human body, and the slot is positioned above the groove.
6. A view shield as claimed in claim 1, wherein: the length of the slot is larger than that of the visual field observation hole.
7. A view shield as claimed in claim 6, wherein: the bottom of the slot is lower than the visual field observation hole.
8. A view shield as claimed in claim 7, wherein: the top surface of the light blocking sheet is flush with the top surface of the frame body, and a push handle is arranged and is 0.5-1.0cm higher than the frame body.
9. A view shield as claimed in claim 1, wherein: the material of the light shield is silica gel.
10. A view shield as claimed in claim 9, wherein: one side of the light shield, which is far away from the frame body, is provided with a matching part for fitting the eyes of a human body, and the matching part is in a concave arc shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020642511.4U CN213030622U (en) | 2020-04-24 | 2020-04-24 | Visual field shielding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020642511.4U CN213030622U (en) | 2020-04-24 | 2020-04-24 | Visual field shielding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213030622U true CN213030622U (en) | 2021-04-23 |
Family
ID=75520265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020642511.4U Active CN213030622U (en) | 2020-04-24 | 2020-04-24 | Visual field shielding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213030622U (en) |
-
2020
- 2020-04-24 CN CN202020642511.4U patent/CN213030622U/en active Active
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