CN210155446U - Device for compensating hemianopsia and visual field defect - Google Patents
Device for compensating hemianopsia and visual field defect Download PDFInfo
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- CN210155446U CN210155446U CN201921007350.5U CN201921007350U CN210155446U CN 210155446 U CN210155446 U CN 210155446U CN 201921007350 U CN201921007350 U CN 201921007350U CN 210155446 U CN210155446 U CN 210155446U
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- hemianopsia
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- 206010019452 Hemianopia Diseases 0.000 title claims abstract description 57
- 208000007460 Hemianopsia Diseases 0.000 title claims abstract description 57
- 206010047555 Visual field defect Diseases 0.000 title claims description 39
- 230000000007 visual effect Effects 0.000 abstract description 38
- 210000001328 optic nerve Anatomy 0.000 abstract description 29
- 230000002950 deficient Effects 0.000 abstract description 24
- 230000004438 eyesight Effects 0.000 abstract description 11
- 230000006378 damage Effects 0.000 abstract description 6
- 208000006011 Stroke Diseases 0.000 abstract description 5
- 206010008190 Cerebrovascular accident Diseases 0.000 abstract description 3
- 230000002490 cerebral effect Effects 0.000 abstract description 3
- 239000011521 glass Substances 0.000 description 24
- 210000001508 eye Anatomy 0.000 description 20
- 239000000835 fiber Substances 0.000 description 11
- 210000004556 brain Anatomy 0.000 description 9
- 230000002123 temporal effect Effects 0.000 description 7
- 210000004027 cell Anatomy 0.000 description 6
- 239000013307 optical fiber Substances 0.000 description 6
- 210000001525 retina Anatomy 0.000 description 6
- 230000007547 defect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 210000005252 bulbus oculi Anatomy 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 208000003098 Ganglion Cysts Diseases 0.000 description 2
- 208000005400 Synovial Cyst Diseases 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 208000029028 brain injury Diseases 0.000 description 2
- 230000004456 color vision Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 208000003174 Brain Neoplasms Diseases 0.000 description 1
- 208000034656 Contusions Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 208000034526 bruise Diseases 0.000 description 1
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- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
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Abstract
The utility model provides a partially blind, defective compensation arrangement in field of vision, include: the object/environment light of the hemianopsia/defective area on the left side and the right side is collected by the objective lens, and is transmitted to the micro mirror amplifier through the light guide device, the objects or light of the hemianopsia/defective area on the left side and the right side can be seen by fully utilizing the eyeground rod cell and cone cell area corresponding to the optic nerve quadrant area without damage after cerebral apoplexy, the visible visual field of the hemianopsia/defective visual field patient can be successfully recovered to be normal, the life quality of the hemianopsia/defective visual field patient is greatly improved, the condition that the hemianopsia/defective visual field patient causes life inconvenience and even is injured due to the hemianopsia/defective visual field is reduced, and the purpose of the visual field range of the hemianopsia/defective visual field patient is improved.
Description
Technical Field
The utility model relates to a defective compensation glasses technical field in field of vision, in particular to defective compensation arrangement of hemianopia, field of vision.
Background
At present, after stroke, brain injury or brain growth tumor, most patients have the condition of hemianopsia, namely visual field defect, which brings permanent difficulty to the life of the patients, and the condition of bruise and falling down of light people in life due to hemianopsia/visual field defect; the serious people are damaged by the moving vehicle because the surrounding environment cannot be judged in the hemianopia area, and even the life cost is paid; the main reason for the hemianopsia/visual field defect is caused by the damage of optic nerves conducting different quadrant regions after cerebral stroke, brain injury or brain tumor growth, which is usually caused by the fact that object light cannot be conducted in the double temporal side regions, but the patient does not have diseases of eyeballs or eyegrounds, and the light rays in the non-conductive regions are transferred to the optic nerves conducting regions based on the combined application of optic nerve fiber conducting anatomical knowledge and optical knowledge, so that the hemianopsia/visual field defect problem is solved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a compensation device for hemianopsia and visual field defects, which is used for improving the visual field range of patients with hemianopsia or visual field defects.
A device for compensating for hemianopsia and visual field defects, comprising: an objective lens, a light guide device and a micro mirror amplifier,
the objective lens is arranged on the outer side of the spectacle frame body close to the lens,
the micro mirror amplifier is arranged at the center of the spectacle lens,
one end of the light guide device is connected with the objective lens, the other end of the light guide device is connected with the micro mirror amplifier,
the light guide device is used for reflecting the light of the objective lens to the micro mirror surface amplifier.
Preferably, the objective lens is arranged at the outer side of one end of the glasses frame body close to the glasses legs,
the light guide device is connected with one end of the objective lens to the upper center position of the glasses frame body along the upper surface of the glasses frame body, and finally extends to the lens through the upper center position of the glasses frame body and is connected with the micro mirror surface amplifier at the center of the lens.
Preferably, an adjusting device is arranged between the spectacle frame body and the objective lens, the adjusting device comprises a fixed block and a hinged ball, and one end of the fixed block is a plane and is used for being fixed at a position, close to the spectacle legs, of the spectacle frame body;
the other end of fixed block is provided with spherical notch, spherical notch is used for articulated hinge ball, the hinge ball is kept away from the one end of spherical notch is fixed get the one side that objective kept away from the mirror surface.
Preferably, the adjusting device is further provided with a handle, and the fixing block and the hinge ball are provided with through holes for the handle to penetrate through;
one side of the fixing block, which is far away from the through hole, is provided with a threaded hole, the threaded hole is positioned on the inner wall of the groove of the spherical notch,
and a screw rod is arranged at one end of the handle, penetrates through the fixing block and the through hole of the hinged ball and is matched with the threaded hole in the inner wall of the spherical notch.
Preferably, the handle is kept away from the one end of screw hole is provided with the stopper, the one side setting of stopper is in the trompil border of through hole, and with the surface of fixed block sets up of laminating each other.
Preferably, a handle is arranged at one end of the handle, which is far away from the screw rod.
Preferably, the light guide device is a cavity, a plurality of micro reflectors are arranged in the cavity, the micro reflectors are arranged at corners in the cavity of the light guide device, and the micro reflectors and the micro mirror surface amplifier close to one end of the micro mirror surface amplifier reflect light;
and the miniature reflector close to one end of the fetching mirror and the fetching mirror perform light reflection.
Preferably, the end, far away from the glasses frame body, of the glasses leg is provided with an anti-slip layer.
The working principle and the beneficial effects are as follows:
according to FIG. 5, the optic nerve originates from the ganglion cell layer of the retina, and the nasal optic nerve fibers originating from the nasal half of the retina are combined with the temporal optic nerve fibers originating from the temporal half of the retina of the contralateral eyeball after the optic crossing to form the optic bundle; when one side of optic nerve has problems, for example, after the temporal optic nerve of the left eye is damaged, the right side of vision can be affected, so that the condition of hemianopia/visual field defect is caused, but the vision, color vision and the function of the eyeground cannot be damaged; meanwhile, because the optic nerves are symmetrical, under the general condition that one side of the optic nerves has hemianopsia/visual field defects, both eyes can symmetrically have hemianopsia/visual field defects, but one side or two sides of the hemianopsia/visual field defects actually take the eyeground examination result as the standard, and correction and compensation are carried out.
The method comprises the following specific steps: impaired area size of partially blinding can obtain through ophthalmic instruments measurement, and it will lack regional environment to gather and utilize the light guide device to transmit the environment of gathering to miniature mirror surface amplifier to get the thing light mirror through the miniature field of vision defect of adjustable angle, miniature mirror surface amplifier with get the thing mirror and pass through the bridging back of light guide device, miniature mirror surface amplifier enlarges the object and supplies the people's eye to discern, light guide device sets up to optical fiber, optical fiber will get the light reflection of objective extremely on the miniature mirror surface amplifier to supply people's eye to discern.
The micro mirror amplifier arranged in the center of the glasses can not shield normal vision according to the wave particle duality property of light through multiple strict tests. The micro mirror surface amplifier is connected with the angle-adjustable micro visual field defect objective lens through an optical fiber, the two lenses are arranged on the left side and the right side, are respectively arranged on the front outer sides of the left side and the right side of the spectacle frame edge, are used for collecting the environment of the hemianopsia areas on the left side and the right side of the human eyes, are transmitted to the micro mirror surface amplifier through the optical fiber tightly attached to the upper edge of the spectacle frame, and utilize the part of the intact optic nerve capable of normally transmitting light to feed back to the occipital cortex center of the brain, thereby realizing the purpose of utilizing the angle-adjustable micro visual field defect objective. And the optic nerve which normally transmits light is used for reading the compensation visual field, so that the visual field defect patient can see objects in the visual fields of the left and right defect areas.
The object/environment light of the hemianopsia/defective area on the left side and the right side is collected by using the objective lens, and the light guide fiber is transmitted to the micro mirror amplifier, so that the objects or light of the hemianopsia/defective visual field area on the left side and the right side can be seen by fully utilizing the eyeground rod cell and cone cell area corresponding to the optic nerve quadrant area without damage after cerebral apoplexy, the visible visual field of the hemianopsia/defective visual field patient can be successfully recovered to be normal, the life quality of the hemianopsia/defective visual field patient is greatly improved, the inconvenience in life and even the injury of the hemianopsia/defective visual field patient caused by the hemianopsia/defective visual field are reduced, and the purpose of the visual field range of the hemianopsia/defective visual field patient is improved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of a device for compensating for hemianopsia and visual field defects in an embodiment of the present invention;
fig. 2 is a schematic structural view of an adjusting device of a hemianopsia and visual field defect compensating device in an embodiment of the present invention;
fig. 3 is a schematic view of an adjusting rod structure of a device for compensating for hemianopsia and visual field defects according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a micro-mirror of a device for compensating for hemianopsia and visual field defects according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of the optic nerve and brain;
fig. 6 is a schematic view of a clip structure of a device for compensating for a hemianopsia and visual field defect according to an embodiment of the present invention;
the glasses comprise 1-glasses frame body, 2-glasses legs, 3-glasses, 4-objective lens, 5-micro mirror amplifier, 6-light guide device, 7-spherical notch, 8-hinged ball, 9-fixed block, 10-through hole, 11-handle, 12-handle, 13-limited block, 14-screw rod, 15-threaded hole, 16-micro reflector, 17-support, 18-clamp, 19-first groove, 20-handle, 21-spring, 22-clamp groove, 23-human eye, 24-temporal optic nerve fiber, 25-nasal optic nerve fiber, 26-visual cross, 27-brain, 28-left eye, 29-right eye, 30-left visual field and 31-right visual field.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
According to fig. 1 and 5, an embodiment of the present invention provides a device for compensating for hemianopsia and visual field defects, comprising: an objective lens 4, a light guide device 6 and a micro mirror amplifier 5,
the objective lens 4 is arranged on the outer side of the spectacle frame body 1 close to the lens 3,
the micro mirror amplifier 5 is arranged at the center of the spectacle lens 3,
one end of the light guide device 6 is connected with the objective lens 4, the other end is connected with the micro mirror amplifier 5,
the light guide device 6 is used for reflecting the light of the objective lens 4 to the micro mirror amplifier 5.
According to FIG. 5, the optic nerve originates from the ganglion cell layer of the retina, and the nasal optic nerve fibers originating from the nasal half of the retina are combined with the temporal optic nerve fibers originating from the temporal half of the retina of the contralateral eyeball after the optic crossing to form the optic bundle; when one side of optic nerve has problems, for example, after the temporal optic nerve of the left eye is damaged, the right side of vision can be affected, so that the condition of hemianopia/visual field defect is caused, but the vision, color vision and the function of the eyeground cannot be damaged; meanwhile, because the optic nerves are symmetrical, under the general condition that one side of the optic nerves has hemianopsia/visual field defects, both eyes can symmetrically have hemianopsia/visual field defects, but one side or two sides of the hemianopsia/visual field defects actually take the eyeground examination result as the standard, and correction and compensation are carried out.
The method comprises the following specific steps: the size of the damaged hemianopsia area can be measured by an ophthalmological instrument, the damaged area environment is collected through an angle-adjustable miniature visual field defect object taking optical lens, the collected environment is transmitted to a miniature mirror amplifier by utilizing a light guide device, the miniature mirror amplifier amplifies an object and provides the object for human eye identification after the miniature mirror amplifier and the object taking optical lens are bridged through the light guide device, the light guide device is set as a light guide fiber, and the light guide fiber reflects the light of the object taking lens to the miniature mirror amplifier and provides the object for human eye identification;
the micro mirror amplifier arranged in the center of the glasses can not shield normal vision according to the wave particle duality property of light through multiple strict tests. The micro mirror surface amplifier is connected with the angle-adjustable micro visual field defect objective lens through an optical fiber, the two lenses are arranged on the left side and the right side, are respectively arranged on the front outer sides of the left side and the right side of the spectacle frame edge, are used for collecting the environment of the hemianopsia areas on the left side and the right side of the human eyes, are transmitted to the micro mirror surface amplifier through the optical fiber tightly attached to the upper edge of the spectacle frame, and utilize the part of the intact optic nerve capable of normally transmitting light to feed back to the occipital cortex center of the brain, thereby realizing the purpose of utilizing the angle-adjustable micro visual field defect objective. And the optic nerve which normally transmits light is used for reading the compensation visual field, so that the visual field defect patient can see objects in the visual fields of the left and right defect areas.
The object/environment light of the hemianopsia/defective area on the left side and the right side is collected by using the objective lens, and the light guide fiber is transmitted to the micro mirror amplifier, so that the objects or light of the hemianopsia/defective visual field area on the left side and the right side can be seen by fully utilizing the eyeground rod cell and cone cell area corresponding to the optic nerve quadrant area without damage after cerebral apoplexy, the visible visual field of the hemianopsia/defective visual field patient can be successfully recovered to be normal, the life quality of the hemianopsia/defective visual field patient is greatly improved, the inconvenience in life and even the injury of the hemianopsia/defective visual field patient caused by the hemianopsia/defective visual field are reduced, and the purpose of the visual field range of the hemianopsia/defective visual field patient is improved.
The object taking lens is a convex lens, so that the object taking lens can expand the visual field range in the object taking/light taking process.
According to the figure 1, the objective lens 4 is arranged at the outer side of one end of the spectacle frame body 1 close to the spectacle leg 2,
the light guide device 6 is connected with one end of the objective lens 4, extends to the upper center position of the spectacle frame body 1 along the upper surface of the spectacle frame body 1, and finally extends to the lens 3 through the upper center position of the spectacle frame body 1 and is connected with the micro mirror surface amplifier at the center of the lens 3.
During the use, through utilizing get objective and gather the ambient light/object of side, be in again through setting up the leaded light device of glasses frame body top conducts the ambient light/object of gathering to micro mirror surface amplifier discerns and feeds back to the brain through people's eye at last.
According to fig. 2, an adjusting device is arranged between the eyeglasses frame body 1 and the objective lens 4, the adjusting device comprises a fixed block 9 and a hinged ball 8, and one end of the fixed block 9 is a plane and is used for being fixed at a position of the eyeglasses frame body 1 close to the eyeglasses legs 2;
the other end of fixed block 9 is provided with spherical notch 7, spherical notch 7 is used for articulated hinge ball 8, hinge ball 8 is kept away from the one end of spherical notch 7 is fixed get the one side that objective 4 kept away from the mirror surface.
The purpose of adjusting the angle of the objective lens can be realized by using the adjusting device, for example, when the visual field defect angle of a patient is 30 degrees, the objective lens is adjusted according to the visual angle range of 30 degrees, so that the 30-degree visual angle range of defect can be acquired by the objective lens. The defect and adjustment of the visual angle range are measured and debugged by an ophthalmologic instrument, such as a computer vision detector, a perimeter, and other ophthalmologic instruments.
According to the figure 3, a handle 12 is further arranged on the adjusting device, and a through hole 10 for the handle 12 to penetrate through is formed in the fixing block 9 and the hinge ball 8;
a threaded hole 15 is formed in one side, far away from the through hole 10, of the fixing block 9, the threaded hole 15 is located on the inner wall of the groove of the spherical notch 7,
one end of the handle 12 is provided with a screw 14, and the screw 14 penetrates through the fixing block 9 and the through hole 10 of the hinge ball 8 and is matched with a threaded hole 15 on the inner wall of the spherical notch 7.
The purpose that the hinged ball is not easy to separate from the fixed block can be achieved through the arranged handle, when the device is used, firstly, the visual field of a patient is measured through the perimeter, and the objective lens is correspondingly adjusted and measured in position, so that the optimal angle of the objective lens is obtained; and then the handle is utilized to adjust the screw rod, so that the screw rod on the handle is completely fixed with the threaded hole, and the aim that the hinged ball is positioned in the spherical notch 7 and cannot easily slide out is fulfilled.
According to the illustration in fig. 3, a limiting block 13 is arranged at one end of the handle 12, which is far away from the threaded hole 15, one surface of the limiting block 13 is arranged at the opening edge of the through hole 10, and is attached to the outer surface of the fixing block 9. The stopper can do benefit to when the fixed block with when the hinge ball fastens, do benefit to the screw rod is twisted completely soon to behind the screw hole, the stopper also to thereupon the screw rod direction motion, and will the opening of spherical notch 7 reduces, and the realization is right the purpose of the fastening of hinge ball reduces the hinge ball is in making a round trip to be in the use the condition of round trip to rotate in the spherical notch 7. Thereby improving the stability of the compensating device during use.
According to fig. 3, the handle 12 is provided with a grip 11 at the end remote from the screw 14. The handle can be beneficial to the purpose of conveniently taking when screwing the handle.
According to fig. 4, the light guide device 6 is a light reflecting conduit with a cavity structure, a plurality of micro mirrors 16 are arranged in the cavity, the micro mirrors 16 are arranged at corners in the cavity of the light guide device 6, and the micro mirrors 16 and the micro mirror amplifiers 5 near one end of the micro mirror amplifiers 5 perform light reflection;
the micro mirror 16 near one end of the objective lens 4 and the objective lens 4 reflect light.
The micro reflector can realize that light can be reflected to one end of the micro mirror amplifier from the object taking mirror, so that the aim that human eyes identify and feed back the reflected light/object to the brain is fulfilled.
As shown in fig. 4 and 6, the micro reflective mirrors are disposed at inner corners of the cavity of the light guide device, and are configured to reflect the environment, object or light obtained by the object-taking mirror to the micro mirror amplifier, and the micro mirror amplifier may be further mounted in front of the glasses lenses and hinged to the glasses frame through a bracket.
The micro mirror amplifier is hinged to a clamp through a support, the clamp is formed by symmetrically arranging two clamping pieces, a handle extending upwards is arranged above the clamping pieces, a spring is arranged between the handles, a supporting block is arranged on one side of each clamping piece, and the supporting block is arranged below the spring and is perpendicular to the clamping pieces;
one surface of the supporting block, which is far away from the spring, is provided with a first groove, the first groove is used for embedding the light guide device, the condition that the light guide device is abraded due to the fact that the clamp is clamped on the glasses frame body is reduced,
one end of the supporting block, which is positioned in the first groove, is provided with a clamping groove, and the clamping groove is clamped above the glasses frame body.
When in use, the clamping groove ends of the clamping pieces are clamped above the glasses frame body, the supporting block between the two clamping pieces is hinged, the clamping groove ends of the clamping pieces are in contact under the condition that the spring does not apply force, when in use, the two symmetrical handles are pinched, the supporting blocks are hinged, after the spring is compressed, the distance between the clamping grooves is widened, the clamping grooves are clamped on the spectacle frame body, the micro mirror amplifier can be fixed on the glasses frame body by utilizing the clip, and when in use, the angle between the bracket and the clip can be adjusted using the hinge balls of the bracket and the clip, thereby achieving the purpose of adjusting the angle between the bracket and the clamp, and further achieving the purpose of adjusting the angle and distance between the micro mirror amplifier and the lens. Therefore, the micro mirror amplifier can better reflect the light reflected by the light guide device to human eyes again and transmit the light to the brain for normal optic nerves of the human eyes.
In order to reduce the condition that the front visual field of the patient is not interfered by the support, the support is set to be a thin rod, the diameter of the support is 0.5-3mm according to the dual property of the light wave particles, and the visual field right in front of the eyes can not be interfered at all. Meanwhile, the purpose of adjusting the angle and the distance between the micro mirror surface amplifier and the lens can be ensured.
According to the figure 4, the micro reflectors are arranged in the corners of the cavity of the light guide device, the opening ends of the two ends of the light guide device are provided with the micro reflectors, when the micro reflectors are needed to be used, the object taking lens reflects the environment of the part which is partially blind or has a lack of visual field to the micro reflectors at the opening ends of the cavity of the light guide device, the content on the micro reflectors close to one end of the object taking lens is reflected to the micro reflectors close to one end of the micro mirror amplifier through the micro reflectors in the corners of the light guide device, and finally the content is reflected to human eyes through the micro mirror amplifier, and then the received content is transmitted to the brain through the optic nerve which can normally work by the human eyes for the brain to recognize.
According to the figure 1, one end of the glasses leg 2 far away from the glasses frame body 1 is provided with an anti-slip layer. The anti-slip layer can guarantee that the glasses legs are not easy to slip in the wearing process. Thereby improving the stability of the spectacle frame body in the wearing process.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (8)
1. A device for compensating for hemianopsia and visual field defects, comprising: an objective lens (4), a light guide device (6) and a micro mirror amplifier (5),
the objective lens (4) is arranged on the outer side of the spectacle frame body (1) close to the lens (3),
the micro mirror amplifier (5) is arranged at the central position of the spectacle lens (3),
one end of the light guide device (6) is connected with the objective lens (4), the other end is connected with the micro mirror amplifier (5),
the light guide device (6) is used for reflecting the light of the objective lens (4) to the micro mirror amplifier (5).
2. A hemianopsia, visual field defect compensation device according to claim 1, wherein said objective lens (4) is arranged outside an end of said spectacle frame body (1) close to the spectacle legs (2),
the light guide device (6) is connected with one end of the objective lens (4) and extends to the upper center position of the spectacle frame body (1) along the upper surface of the spectacle frame body (1), finally extends to the lens (3) through the upper center position of the spectacle frame body (1), and is connected with the micro mirror surface amplifier (5) at the center of the lens (3).
3. A hemianopsia and visual field defect compensating device according to claim 2, wherein an adjusting device is arranged between the spectacle frame body (1) and the objective lens (4), the adjusting device comprises a fixed block (9) and a hinged ball (8), one end of the fixed block (9) is arranged to be a plane for fixing the position of the spectacle frame body (1) close to the spectacle leg (2);
the other end of fixed block (9) is provided with spherical notch (7), spherical notch (7) are used for articulated hinge ball (8), hinge ball (8) are kept away from the one end of spherical notch (7) is fixed get objective lens (4) and keep away from the one side of mirror surface.
4. A hemianopsia and visual field defect compensating device according to claim 3, wherein said adjusting device is further provided with a handle (12), said fixing block (9) and said hinge ball (8) are provided with a through hole (10) for passing said handle (12);
a threaded hole (15) is formed in one side, far away from the through hole (10), of the fixing block (9), the threaded hole (15) is located on the inner wall of the spherical notch (7),
one end of the handle (12) is provided with a screw rod (14), the screw rod (14) penetrates through the fixing block (9) and the through hole (10) of the hinged ball (8), and the screw rod and the threaded hole (15) in the inner wall of the spherical notch (7) are matched with each other.
5. The hemianopia and visual field defect compensation device as claimed in claim 4, wherein a stop block (13) is disposed at one end of the handle (12) far away from the threaded hole (15), and one surface of the stop block (13) is disposed at the opening edge of the through hole (10) and is attached to the outer surface of the fixing block (9).
6. A hemianopsia, visual field defect compensation device according to claim 4, wherein said handle (12) is provided with a grip (11) at an end remote from said threaded rod (14).
7. A device for the compensation of hemianopsia and visual field defects according to claim 1, wherein said light guide means (6) is provided as a cavity, a plurality of micro-mirrors (16) are provided in said cavity, said micro-mirrors (16) are provided at corners in said cavity of said light guide means (6), and said micro-mirrors (16) and said micro-mirror amplifiers (5) near one end of said micro-mirror amplifiers (5) are light-reflecting;
the micro reflector (16) close to one end of the objective lens (4) and the objective lens (4) reflect light.
8. A hemianopsia, visual field defect compensation device according to claim 2, wherein the end of the temple (2) remote from the spectacle frame (1) is provided with an anti-slip layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921007350.5U CN210155446U (en) | 2019-07-01 | 2019-07-01 | Device for compensating hemianopsia and visual field defect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921007350.5U CN210155446U (en) | 2019-07-01 | 2019-07-01 | Device for compensating hemianopsia and visual field defect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210155446U true CN210155446U (en) | 2020-03-17 |
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ID=69764856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921007350.5U Expired - Fee Related CN210155446U (en) | 2019-07-01 | 2019-07-01 | Device for compensating hemianopsia and visual field defect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210155446U (en) |
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2019
- 2019-07-01 CN CN201921007350.5U patent/CN210155446U/en not_active Expired - Fee Related
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