CN209884112U - Visual field inspection equipment - Google Patents
Visual field inspection equipment Download PDFInfo
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- CN209884112U CN209884112U CN201920221919.1U CN201920221919U CN209884112U CN 209884112 U CN209884112 U CN 209884112U CN 201920221919 U CN201920221919 U CN 201920221919U CN 209884112 U CN209884112 U CN 209884112U
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Abstract
The utility model discloses a field of vision check out test set. The apparatus comprises: the eye shield comprises a virtual reality eye shield, electrodes, a light shielding plate and an upper computer, wherein the light shielding plate is positioned inside the virtual reality eye shield and used for detecting single eyes or double eyes; the electrodes are used for collecting brain waves of a human body; the virtual reality eyeshade is connected with the electrodes and used for determining a visual field range according to the brain waves; the upper computer is connected with the virtual reality eyeshade and used for collecting brain wave signals and visual field range signals. Adopt the utility model discloses a method has improved the efficiency of field of vision inspection greatly, avoids the influence of the subjective response of people for the field of vision examination becomes the intelligent detecting instrument that can get into the family, does not need the special messenger to operate, does not need to be answered by the measurand.
Description
Technical Field
The utility model relates to a field of vision detects the field, especially relates to a field of vision check out test set.
Background
At present, in the field of vision examination in ophthalmology, various types of perimeter meters are generally used, including a central perimeter meter, a full perimeter meter and the like, the detection method needs the response of a testee during detection, and the related test program evaluates and judges the field of vision condition of the testee according to the response condition of the testee.
However, this method has the following problems:
1) the detection time is long. In the visual field inspection process, the visual field inspection process is influenced by the inspection range, the inspection range is larger, the number of the stimulation points to be inspected is more, and the time for measurement is longer along with the number of times of the stimulation point test due to the fact that the testee needs to actively respond. The longer test time causes the testee to be tired, and the detection result is influenced;
2) the subjective influence of the tested person is large. In the traditional visual field examination, a tested person needs to respond after seeing the flicker of the stimulating lamp, and the visual field condition of the tested person is judged according to the response condition, so that on one hand, the tested person sees that the stimulating point intentionally does not respond or intentionally does not respond; on the other hand, when the subject loses injection, the result is often influenced; in the third aspect, even if the tested person is well matched, the detection result is influenced by the age and other different factors of the tested person;
3) it is inconvenient. On one hand, the existing perimeter has larger volume and heavy weight, and a special lifting platform is needed when necessary; on the other hand, the detection of the perimeter requires the operation of a doctor and the cooperation of the testee, and the doctor is required to pay attention to the condition of the carelessness of the testee in the detection process so as to ensure the accuracy of the detection result; in a third aspect, the use of the perimeter requires specialized training, and the general user cannot use the equipment and cannot detect the field of vision; in the fourth aspect, since the detection time is long, the visual field detection needs to wait for a long time.
Disclosure of Invention
The utility model aims at providing a field of vision check out test set improves the efficiency of field of vision inspection greatly, improves its accuracy, avoids the influence of subjective answer.
In order to achieve the above object, the utility model provides a following scheme:
a visual field inspection apparatus, the apparatus comprising: the eye shield comprises a virtual reality eye shield, electrodes, a light shielding plate and an upper computer, wherein the light shielding plate is positioned inside the virtual reality eye shield and used for detecting single eyes or double eyes; the electrodes are used for collecting brain waves of a human body; the virtual reality eyeshade is connected with the electrodes and used for determining a visual field range according to the brain waves; the upper computer is connected with the virtual reality eyeshade and used for collecting brain wave signals and visual field range signals.
Optionally, the virtual reality eyeshade includes an eyeshade body and a glasses frame body, the glasses frame body is located inside the eyeshade body, and the light shading plate is located inside the glasses frame body.
Optionally, the electrodes include positive electrodes and negative electrodes, one positive electrode and one negative electrode form a pair of electrode groups, and the number of the electrode groups is four.
Optionally, the upper computer is an industrial control computer.
Optionally, the upper computer is connected with the virtual reality eyeshade in a wired mode.
Optionally, the host computer with the virtual reality eye-shade passes through wireless connection.
Optionally, the apparatus further comprises: and the voice prompt module is connected with the upper computer.
According to the utility model provides a concrete embodiment, the utility model discloses a following technological effect: the utility model provides a field of vision check out test set, equipment includes: the eye shield comprises a virtual reality eye shield, electrodes, a light shielding plate and an upper computer, wherein the light shielding plate is positioned inside the virtual reality eye shield and used for detecting single eyes or double eyes; the electrodes are used for collecting brain waves of a human body; the virtual reality eyeshade is connected with the electrodes and used for determining a visual field range according to the brain waves; the upper computer is connected with the virtual reality eyeshade and used for collecting brain wave signals and visual field range signals. Adopt the utility model discloses a method has improved the efficiency of field of vision inspection greatly, improves its accuracy, avoids the influence of the subjective response of people for the field of vision examination becomes the intelligent detecting instrument that can get into the family, does not need the special messenger to operate, does not need to be answered by the measurand.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a schematic view of a visual field inspection apparatus according to an embodiment of the present invention;
fig. 2 is a flowchart of a visual field detection method according to an embodiment of the present invention.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Fig. 1 is a schematic view of a visual field inspection apparatus according to an embodiment of the present invention. As shown in fig. 1, a visual field inspection apparatus, the apparatus comprising: the device comprises a virtual reality eyeshade 1, electrodes 2, a light shading plate 3 and an upper computer 4, wherein the light shading plate 3 is positioned inside the virtual reality eyeshade 1, a complete darkroom is formed by a single eye when necessary, and the light shading plate 3 is used for detecting the single eye or two eyes simultaneously; the electrode 2 is directly attached to the head collecting part, and the electrode 2 is used for collecting brain waves of a human body; the virtual reality eyeshade 1 is connected with the electrodes 2 and used for determining a visual field range according to the brain waves; the upper computer 4 is connected with the virtual reality eyeshade 1 and used for collecting brain wave signals and visual field range signals.
The virtual reality eyeshade 1 comprises an eyeshade body and a glasses frame body, wherein the glasses frame body is located inside the eyeshade body, and the shading plates are located inside the glasses frame body.
The electrodes 2 include positive electrodes and negative electrodes, one of which constitutes a pair of electrode groups, and the number of the electrode groups is four.
The upper computer 4 is an industrial control computer. The upper computer 4 is connected with the virtual reality eyeshade in a wired or wireless mode.
The visual field inspection equipment further comprises a voice prompt module which is connected with the upper computer and used for providing a voice auxiliary prompt function.
Wings are arranged on the left side and the right side of the virtual reality eyeshade, and the interior of the virtual reality eyeshade is of a soft structure, so that the requirement of light beam shielding can be met; the hole position of the eye cover is slightly larger than that of the adult glasses, so that the shading performance is improved;
the utility model can directly display the detection software image on the inner side of the eye cover through a closed VR eye cover; the detection software can be switched to simulate the real test visual field distance and the bright spot stimulation of different examination strategies, and the software can be a platform system and is used for diagnosis and treatment application of different ophthalmic diseases.
Fig. 2 is a flowchart of a visual field detection method according to an embodiment of the present invention. As shown in fig. 2, a visual field detection method, the method comprising:
step 101: lightening a stimulation point in a pulse mode;
step 102: obtaining an electro-oculogram signal waveform collected by the electrode according to the stimulation point; specifically, each stimulation point is lightened in a pulse mode, and the visual cortex should react under normal conditions to generate an eyepoint signal which is automatically recorded by a software system; then the next stimulation point is lighted, or the same stimulation point is lighted with different brightness, and is continuously and automatically recorded by the software system; after the stimulation point is lightened, no matter the ocular electrical signal waveform generated by normal vision, the ocular electrical signal waveform generated by abnormal vision or no vision but no ocular electrical signal waveform is automatically recorded by the corresponding software system.
Step 103: judging whether the electro-ocular signal waveform is the same as a standard electro-ocular signal waveform; and automatically evaluating whether the difference exists between the electro-oculogram response signal waveform corresponding to the brightness of the stimulation point and the threshold value of the standard quasi-electro-oculogram signal waveform by software so as to judge whether the visual field is defective.
Step 104: if yes, the visual field is complete;
step 105: if not, the visual field is defective.
The virtual reality eyeshade (VR eyeshade) is adopted to realize a plurality of visual field detection modes including central visual field detection, peripheral visual field detection, visual field defect screening and the like, and the VR technology is applied to simulate real visual field distance and bright spot stimulation; the response of the visual cortex to the bright spots is used to pick up the eye electrical signals. The mode in the utility model replaces the traditional manual key mode, thereby reducing and avoiding manual response errors; by matching the flicker time of the stimulation points with the acquired eye electrical signals, the rapid visual field examination is realized, and the visual field condition can be evaluated in a short time.
No matter the eye electric signal waveform that normal vision produced, still the eye electric signal waveform that abnormal vision produced, still do not have the vision completely and do not produce the eye electric signal waveform, all can be got off by the automatic recording that software system corresponds, consequently, the utility model discloses can the automatic generation field of vision topography, provide the basis for the diagnosis. And because the data of the corresponding time of optic nerve is provided, consequently, adopt the utility model discloses can provide objective data for the diagnosis of other diseases.
Through the utility model discloses an use, can improve the efficiency of field of vision inspection greatly, improve its accuracy, avoid the influence of subjective answer. The visual field screening becomes an intelligent detection instrument which can enter a family, and the operation of a specially-assigned person and the response of a detected person are not needed; the system also makes daily visual field detection (glaucoma prevention and visual field screening) and tracking management of glaucoma patients possible, can improve the management level of the glaucoma patients, and prevents the patients from becoming blind.
The utility model can realize the rapid evaluation of the whole visual field through different inspection strategies; the utility model can be used as a platform system, can be designed into the treatment software for training vision diseases, and is used for treating the eye diseases such as myopia, amblyopia, ametropia and the like. The device can also be designed into test software for diseases such as myopia and the like, is used for diagnosing the diseases such as the myopia and the like, and realizes the integration of multiple equipment functions. The utility model discloses no longer need look firmly the requirement, detect amazing according to eyeball position in real time, reduce the requirement to patient's degree of adaptability, can also reduce the time that needs the cost in the visual field test, reduce patient and doctor's burden. The utility model discloses can realize the centralized monitoring management of multiple ophthalmology disease, reduce medical cost.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The principle and the implementation of the present invention are explained herein by using specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (7)
1. A visual field inspection apparatus, characterized in that the apparatus comprises: the eye shield comprises a virtual reality eye shield, electrodes, a light shielding plate and an upper computer, wherein the light shielding plate is positioned inside the virtual reality eye shield and used for detecting single eyes or double eyes; the electrodes are used for collecting brain waves of a human body; the virtual reality eyeshade is connected with the electrodes and used for determining a visual field range according to the brain waves; the upper computer is connected with the virtual reality eyeshade and used for collecting brain wave signals and visual field range signals.
2. The visual field inspection apparatus of claim 1, wherein the virtual reality eyecup includes an eyecup body and a spectacle frame body, the spectacle frame body being located inside the eyecup body, the shutter being located inside the spectacle frame body.
3. The visual field inspection apparatus according to claim 1, wherein the electrodes include positive electrodes and negative electrodes, one of the positive electrodes and one of the negative electrodes constitute a pair of electrode groups, the number of the electrode groups being four groups.
4. The visual field inspection apparatus of claim 1, wherein said host computer is an industrial control computer.
5. The visual field inspection device of claim 1, wherein the host computer is connected to the virtual reality eyeshade by wire.
6. The visual field inspection device of claim 1, wherein the upper computer is wirelessly connected with the virtual reality eyeshade.
7. The visual field inspection apparatus of claim 1, wherein the apparatus further comprises: and the voice prompt module is connected with the upper computer.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018217234310 | 2018-10-24 | ||
| CN201821723431 | 2018-10-24 |
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| CN209884112U true CN209884112U (en) | 2020-01-03 |
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| CN201920221919.1U Active CN209884112U (en) | 2018-10-24 | 2019-02-21 | Visual field inspection equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109717828A (en) * | 2018-10-24 | 2019-05-07 | 中国医学科学院生物医学工程研究所 | A kind of perimetry devices and detection method |
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2019
- 2019-02-21 CN CN201920221919.1U patent/CN209884112U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109717828A (en) * | 2018-10-24 | 2019-05-07 | 中国医学科学院生物医学工程研究所 | A kind of perimetry devices and detection method |
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