CN113456011A - Eye monitoring vision analysis and judgment system based on VR glasses - Google Patents
Eye monitoring vision analysis and judgment system based on VR glasses Download PDFInfo
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Abstract
The invention discloses an eye monitoring vision analysis and judgment system based on VR glasses, which comprises a client, a server and a central control center, wherein the client is in bidirectional connection with the server through an Ethernet, and the server is in bidirectional connection with the central control center through the Ethernet. This eye control visual analysis judgement system based on VR glasses, utilize the VR glasses body to carry out visual analysis judgement detection, when saving space occupation volume, effectively guarantee the precision of detection, and compare through the contrast unit that makes a video recording carrying on the eye pattern, guarantee that the user is when detecting, the eye is in the state of relaxing all the time, thereby detect out user's normal eyesight, high accuracy calibration for eyesight provides accurate data support, and according to the characteristic of myopia hyperopia, the cooperation carries out distance adjustment to the visual chart, do the difference with the standard testing result, thereby directly judge user's visual disorder type.
Description
Technical Field
The invention relates to the technical field of vision detection, in particular to an eye monitoring vision analysis and judgment system based on VR glasses.
Background
At present, common equipment for people to detect eyesight is a lamp box or a sticker hung on a wall and written with a plurality of E characters, people stand outside a certain distance, one eye is blocked by a paperboard, another person points to one of the E characters by a small stick, and the people are required to point out the opening direction of the E characters, so that the mode of adopting the E character eyesight test chart to detect eyesight is wide in application, but the occupied space is large, the equipment is generally required to be arranged outside 5 meters, and the detection efficiency is low.
Under the condition that the position of the visual chart is fixed and stable, the sight of a detector cannot be in a horizontal state with the pattern in the visual chart due to unequal heights of people, the deviation of a detection result is undoubtedly increased, meanwhile, when people cannot see the shape of the pattern clearly, the eyes are usually squinted, the through hole is made small, the aim of temporarily improving the vision is further fulfilled, the detected value does not belong to the vision level in a conventional state, once a user is in the squinting state for a long time, the damage to the eyes is large, meanwhile, the detected value can only prove that the vision of the detector is defective, but cannot judge whether the detector is short-sighted or long-sighted, the detection has defects, the eye monitoring vision analysis and judgment system based on VR glasses is specially provided for the purpose, environment simulation is carried out by utilizing a virtual reality technology, the space occupation amount is reduced, the standard vision detection of people with different heights is ensured, and the near-sightedness and far-sightedness of the detected people are clearly judged by adjusting the distance.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an eye monitoring vision analysis and judgment system based on VR glasses, which solves the problems that the conventional detection result has deviation and defects that a detector cannot judge whether the detector is short-sighted or long-sighted.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: an eye monitoring vision analysis and judgment system based on VR glasses comprises a client, a server and a central control center, wherein the client is in bidirectional connection with the server through an Ethernet, the server is in bidirectional connection with the central control center through the Ethernet, the central control center is in signal connection with a VR glasses body through a wireless communication module, the VR glasses body comprises a micro control module, a power supply module and a camera shooting comparison unit, the micro control module is in bidirectional connection with the power supply module, the output ends of the micro control module and the power supply module are both connected with the input end of the camera shooting comparison unit, the central control center comprises a vision analysis system, the vision analysis system is in bidirectional connection with a detection and regulation unit, an interactive detection unit, a data comparison module, a difference calculation module and a report generation module respectively, the output end of the vision analysis system is connected with the input end of the question and answer input module, the input end of the vision analysis system is connected with the output end of the repeated detection module, the output ends of the question and answer input module and the detection and adjustment unit are connected with the input end of the interactive detection unit, the output ends of the interactive detection unit and the detection and adjustment unit are connected with the input end of the data comparison module, the output end of the data comparison module is connected with the input end of the difference value calculation module, and the output end of the difference value calculation module is connected with the input end of the report generation module.
Preferably, the camera shooting comparison unit comprises a camera shooting module, a pupil sampling module, a pattern comparison module, a real-time monitoring module and a retest reminding module, the output end of the camera shooting module is respectively connected with the input ends of the pupil sampling module and the real-time monitoring module, the output ends of the pupil sampling module and the real-time monitoring module are respectively connected with the input end of the pattern comparison module, and the output end of the real-time monitoring module is connected with the input end of the retest reminding module.
Preferably, the output end of the retest reminding module is connected with the input end of the retest module.
Preferably, the detection and adjustment unit comprises a visual chart generation module, an opening adjustment module, a distance setting module and a distance adjustment module, wherein the output end of the visual chart generation module is connected with the input end of the opening adjustment module, the output end of the opening adjustment module is connected with the input end of the distance setting module, and the output end of the distance setting module is connected with the input end of the distance adjustment module.
Preferably, the output ends of the opening adjusting module and the distance adjusting module are connected with the input end of the data comparing module.
Preferably, the interactive detection unit comprises a question and answer triggering module, a test triggering module, a voice broadcasting/receiving module, a keyword extracting module and an information exporting module, wherein the output ends of the question and answer triggering module and the test triggering module are connected with the input end of the voice broadcasting/receiving module, the output end of the voice broadcasting/receiving module is connected with the input end of the keyword extracting module, and the output end of the keyword extracting module is connected with the input end of the information exporting module.
Preferably, the micro control module realizes bidirectional communication connection with the wireless communication module through wireless.
Preferably, the using method specifically comprises the following steps:
step one, wearing and shaping: wearing a VR glasses body, adjusting eyes to be in a relaxed state, then recording videos of the eyes through a camera module, intercepting photos of pupils in the relaxed state from a video screen through a pupil sampling module, guiding the photos into a pattern comparison module to serve as a standard image, transmitting eye image information subsequently recorded by the camera module into the pattern comparison module through a real-time monitoring module, comparing the eye image information with the standard image, directly reminding the user through a retest reminding module when phenomena of squinting and the like affecting through hole focusing occur, and detecting the vision detection at the stage again through a repeat detection module;
step two, vision detection: directly displaying the eyesight test chart in a VR glasses body through an eyesight test chart generation module, randomly selecting an opening direction of an E type or a C type on the eyesight test chart through an opening adjustment module, transmitting a selection result to a data comparison module as a comparison answer, setting a detection distance of the eyesight test chart by using a distance setting module, setting the distance to be 5 m, starting test voice broadcast through a test trigger module, namely broadcasting the font of a specified position in the eyesight test chart through a voice broadcast/receiving module, receiving the opening direction information by a voice broadcast/receiving module after the opening direction information is spoken, extracting the specified direction output by a user through a keyword extraction module, transmitting the specified direction to the data comparison module through an information derivation module to be compared with the comparison answer, and indicating the eyesight test chart has the vision after two continuous answers are consistent, selecting a character with a smaller model, repeating the operation for continuous testing, if the answers are inconsistent, indicating that the vision does not exist, and completing the conventional vision detection;
step three, distance adjustment: transmitting the vision value result tested at the standard distance in the step two to a difference value calculation module as a standard contrast value, adjusting the detection distance of a vision detection table through a distance adjustment module, wherein the adjustment distance is set to be 1 meter every time, then measuring the vision values at 6 meters, 7 meters, 4 meters, 3 meters and 2 meters in sequence according to the detection method in the step two, transmitting the vision values to a difference value calculation module, determining the difference values between the vision values at 4 meters, 3 meters and 2 meters as positive values, and gradually increasing the difference values to determine the vision value as near vision, and determining the difference values at 6 meters and 7 meters as far vision and gradually increasing the difference values to determine the vision value as far vision;
step four, asking and answering by doctors: after logging in the vision analysis system through the client-side connection server, a doctor directly inputs the following questions in the question-answer input module: the user can watch clear or fuzzy and the eyes are normal or acerb, then when the distance is adjusted in the third step for testing, the question-answer triggering module starts voice broadcasting, namely the question is broadcasted through the voice broadcasting/receiving module, after the answer is made, the question is received by the voice broadcasting/receiving module, and clear, fuzzy, normal, acerb and other keywords in the user answer are screened out through the keyword extraction module;
step five, report analysis: and (4) importing the vision value in the normal state detected in the step (II), the vision value and the vision difference value detected after the distance is adjusted in the step (III) and the extracted keywords in the corresponding distance screened in the step (IV) into a report generation module together for the doctor to diagnose again.
(III) advantageous effects
The invention provides an eye monitoring vision analysis and judgment system based on VR glasses. The method has the following beneficial effects:
(1) this eye control visual analysis judgement system based on VR glasses, through constructing a visual analysis system, utilize VR glasses to carry out visual detection, when saving space occupation volume, can effectively guarantee that each character on the detection table can all be in a standard distance with user's sight, and then improve the precision of detection, and compare through the contrast unit of making a video recording eye pattern, guarantee that the user is when detecting, the eye is in the state of relaxing all the time, thereby detect out user's normal eyesight, provide accurate data support for the high accuracy calibration of eyesight, and according to the characteristic of hyperopia, the cooperation carries out distance adjustment to the visual table, do the difference with the standard testing result, thereby directly judge user's visual disturbance type.
(2) This eye control vision analysis and judgment system based on VR glasses through the setting of question answering input module, utilizes voice broadcast/receiving module and keyword to draw the module and collect user's answer to provide supplementary data, according to the easy tired characteristic of hyperopia personnel promptly, come further judgement to user's visual disorder, guarantee the precision of testing result.
Drawings
FIG. 1 is a schematic block diagram of the system of the present invention;
FIG. 2 is a schematic block diagram of a VR glasses body system of the present invention;
FIG. 3 is a schematic block diagram of a system of a central control center according to the present invention;
FIG. 4 is a system schematic block diagram of the camera contrast unit of the present invention;
FIG. 5 is a schematic block diagram of a system for detecting a conditioning unit in accordance with the present invention;
FIG. 6 is a schematic block diagram of a system of an interactive detection unit according to the present invention.
In the figure, 1, client; 2. a server; 3. a central control center; 4. a wireless communication module; 5. a VR glasses body; 6. a micro control module; 7. a power supply module; 8. a camera shooting comparison unit; 9. a vision analysis system; 10. a detection adjustment unit; 11. an interaction detection unit; 12. a data comparison module; 13. a difference value calculation module; 14. a report generation module; 15. a question-answer input module; 16. a duplicate detection module; 17. a camera module; 18. a pupil sampling module; 19. a pattern comparison module; 20. a real-time monitoring module; 21. a retest reminding module; 22. an eye chart generation module; 23. an opening adjustment module; 24. a distance setting module; 25. a distance adjustment module; 26. a question-answer triggering module; 27. a test trigger module; 28. a voice broadcast/reception module; 29. a keyword extraction module; 30. and an information export module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the embodiment of the present invention provides the following two technical solutions:
the first embodiment,
The utility model provides an eye monitoring vision analysis and judgment system based on VR glasses, includes client 1, server 2 and central control center 3, and client 1 realizes two-way connection through ethernet and server 2, and server 2 realizes two-way connection through ethernet and central control center 3.
As a preferred scheme, the central control center 3 is in signal connection with a VR glasses body 5 through a wireless communication module 4, the VR glasses body 5 comprises a micro control module 6, a power supply module 7 and a camera shooting comparison unit 8, the micro control module 6 is in bidirectional connection with the power supply module 7, the micro control module 6 is in bidirectional communication connection with the wireless communication module 4 through wireless, the output ends of the micro control module 6 and the power supply module 7 are connected with the input end of the camera shooting comparison unit 8, the central control center 3 comprises a vision analysis system 9, the vision analysis system 9 is respectively in bidirectional connection with a detection adjusting unit 10, an interactive detection unit 11, a data comparison module 12, a difference value calculation module 13 and a report generation module 14, the data comparison module 12 is an LM239 model data comparator, the output end of the vision analysis system 9 is connected with the input end of a question and answer input module 15, the input end of the vision analysis system 9 is connected with the output end of the repeated detection module 16, the output ends of the question answering input module 15 and the detection regulation unit 10 are connected with the input end of the interactive detection unit 11, the output ends of the interactive detection unit 11 and the detection regulation unit 10 are connected with the input end of the data comparison module 12, the output end of the data comparison module 12 is connected with the input end of the difference value calculation module 13, and the output end of the difference value calculation module 13 is connected with the input end of the report generation module 14, further, the vision analysis system 9 is constructed, the vision detection is carried out by utilizing VR glasses, the space occupation amount is saved, meanwhile, each character on the detection table can be effectively ensured to be in a standard distance with the sight line of a user, the detection precision is further improved, and the eye pattern comparison is carried out by the camera shooting comparison unit 8, so that when the user is detected, the eye is in the state of relaxing all the time to detect out user's normal eyesight, provide accurate data support for the high accuracy calibration of eyesight, and according to the characteristic of myopia farsighted, the cooperation carries out distance adjustment to the visual chart, makes the difference with the standard testing result, thereby directly judges out user's visual disorder type.
Example II,
As an improvement of the previous embodiment, the present embodiment is an eye monitoring vision analysis and determination system based on VR glasses, which includes a client 1, a server 2, and a central control center 3, where the client 1 is in bidirectional connection with the server 2 through an ethernet, and the server 2 is in bidirectional connection with the central control center 3 through an ethernet.
As a preferred scheme, the central control center 3 is in signal connection with the VR glasses body 5 through the wireless communication module 4, the VR glasses body 5 comprises a micro control module 6, a power supply module 7 and a camera shooting comparison unit 8, the micro control module 6 is in bidirectional connection with the power supply module 7, the micro control module 6 is in bidirectional communication connection with the wireless communication module 4 through wireless, the output ends of the micro control module 6 and the power supply module 7 are connected with the input end of the camera shooting comparison unit 8, the central control center 3 comprises a vision analysis system 9, the vision analysis system 9 is respectively in bidirectional connection with a detection adjusting unit 10, an interactive detection unit 11, a data comparison module 12, a difference value calculation module 13 and a report generation module 14, the output end of the vision analysis system 9 is connected with the input end of a question and answer input module 15, the input end of the vision analysis system 9 is connected with the output end of a repeat detection module 16, the output ends of the question answering input module 15 and the detection adjusting unit 10 are connected with the input end of the interactive detection unit 11, the output ends of the interactive detection unit 11 and the detection adjusting unit 10 are connected with the input end of the data comparison module 12, the output end of the data comparison module 12 is connected with the input end of the difference value calculation module 13, and the output end of the difference value calculation module 13 is connected with the input end of the report generation module 14, further, by constructing a vision analysis system 9, vision detection is carried out by utilizing VR glasses, space occupation is saved, meanwhile, each character on the detection table can be effectively ensured to be in a standard distance with the sight line of a user, and further, the detection precision is improved, and eye pattern comparison is carried out by the camera shooting comparison unit 8, so that the eyes of the user are ensured to be in a relaxed state all the time when the user is detected, and the normal vision of the user is detected, the method provides accurate data support for high-precision calibration of vision, and performs distance adjustment on the visual chart in a matching manner according to the characteristics of myopia and hyperopia, and makes a difference between a detection result and a standard detection result, so that the type of the vision disorder of the user is directly judged.
As preferred scheme, the contrast unit 8 of making a video recording includes camera module 17, pupil sampling module 18, pattern contrast module 19, real-time supervision module 20 and retest warning module 21, camera module 17's output is connected with pupil sampling module 18 and real-time supervision module 20's input respectively, pupil sampling module 18 and real-time supervision module 20's output all is connected with pattern contrast module 19's input, real-time supervision module 20's output is connected with retest warning module 21's input, retest warning module 21's output is connected with the input of retest module 16, explain further, pattern contrast module 19 is LM239 model data comparator, be used for judging whether the user appears the squinting condition, guarantee that the user is in the relaxed state all the time.
Preferably, the detecting and adjusting unit 10 includes an eye chart generating module 22, an opening adjusting module 23, a distance setting module 24 and a distance adjusting module 25, an output end of the eye chart generating module 22 is connected to an input end of the opening adjusting module 23, an output end of the opening adjusting module 23 is connected to an input end of the distance setting module 24, an output end of the distance setting module 24 is connected to an input end of the distance adjusting module 25, output ends of the opening adjusting module 23 and the distance adjusting module 25 are both connected to an input end of the data comparing module 12, and it is further described that there are eight adjusting directions of the opening adjusting module 23, that is, the openings face four directions, up, down, left and right.
As a preferred scheme, the interactive detection unit 11 includes a question-answer triggering module 26, a test triggering module 27, a voice broadcast/reception module 28, a keyword extraction module 29, and an information derivation module 30, wherein output ends of the question-answer triggering module 26 and the test triggering module 27 are connected to an input end of the voice broadcast/reception module 28, an output end of the voice broadcast/reception module 28 is connected to an input end of the keyword extraction module 29, an output end of the keyword extraction module 29 is connected to an input end of the information derivation module 30, further describing, the answers of the user are collected by the voice broadcast/reception module 28 and the keyword extraction module 29 through the setting of the question and answer input module 15, thereby providing supplementary materials, according to the characteristic that a long-sight person is easy to fatigue, the visual disorder of the user is further judged, and the accuracy of a detection result is guaranteed.
The advantages of the second embodiment over the first embodiment are: through the setting of question answering input module 15, utilize voice broadcast/receiving module 28 and keyword extraction module 29 to collect user's answer to provide supplementary data, according to the easy tired characteristic of farsighted personnel promptly, come further judgement to user's visual disorder, guarantee the precision of testing result.
The eye monitoring vision analysis and judgment system based on the VR glasses has the use method comprising the following steps:
step one, wearing and shaping: wearing the VR glasses body 1, adjusting the eyes to be in a relaxed state, then recording videos of the eyes through the camera module 17, intercepting photos of pupils in the relaxed state from a video screen through the pupil sampling module 18, leading the photos into the pattern comparison module 19 to serve as standard images, then transmitting the subsequently recorded eye image information of the camera module 17 into the pattern comparison module 19 through the real-time monitoring module 20, comparing the eye image information with the standard images, directly reminding the eyes through the retest reminding module 21 when the phenomena of squinting and the like influencing through hole focusing occur, and retesting the vision detection at the stage through the retest module 16;
step two, vision detection: the eyesight test chart is directly displayed in the VR glasses body 1 through the eyesight test chart generation module 22, then the opening direction of an E character or a C character on the eyesight test chart is randomly selected through the opening adjustment module 23, the selection result is transmitted to the data comparison module 12 to serve as a comparison answer, the detection distance of the eyesight test chart is set through the distance setting module 24, the distance is set to be 5 meters, then test voice broadcasting is started through the test trigger module 27, namely the character type at a specified position in the eyesight test chart is broadcasted through the voice broadcasting/receiving module 28, after the opening direction information is spoken, the character type is received by the voice broadcasting/receiving module 28, the specified direction output by a user is extracted through the keyword extraction module 29, the character type is transmitted to the data comparison module 12 through the information export module 30 to be compared with the comparison answer, after two continuous answers are consistent, if the answer is inconsistent, the vision is not detected, and at the moment, the conventional vision detection is finished;
step three, distance adjustment: transmitting the vision value result tested at the standard distance in the second step to a difference value calculation module 13 as a standard contrast value, and then adjusting the detection distance of the vision detection table through a distance adjustment module 25, wherein the adjustment distance is set to be 1 meter every time, then the vision values at 6 meters, 7 meters, 4 meters, 3 meters and 2 meters are measured according to the detection method in the second step in sequence, the vision values at 6 meters, 7 meters, 4 meters, 3 meters and 2 meters are transmitted to the difference value calculation module 13, the difference values between the vision values at 4 meters, 3 meters and 2 meters and the standard contrast value are positive values, the difference values are gradually increased, the judgment is predicted to be near vision, the difference values between the vision values at 6 meters and 7 meters and the standard contrast value are positive values, and the difference values are gradually increased, the judgment is predicted to be far vision;
step four, asking and answering by doctors: after logging in the vision analysis system 9 by connecting the client 1 with the server 2, the doctor directly inputs the following questions in the question-answer input module 15: whether the user is clear or fuzzy and whether the eyes are normal or acerb are watched, then when the distance is adjusted in the third step for testing, voice broadcasting is started through the question-answer triggering module 26, namely the questions are broadcasted through the voice broadcasting/receiving module 28, after the answers are made, the questions are received by the voice broadcasting/receiving module 28, and clear, fuzzy, normal, acerb and other keywords in the user answers are screened out through the keyword extraction module 29;
step five, report analysis: and (4) importing the vision value in the normal state detected in the step (II), the vision value and the vision difference value detected after the distance is adjusted in the step (III) and the extracted keywords in the corresponding distance screened in the step (IV) into the report generation module 14 together for the doctor to diagnose again.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. An eye monitoring vision analysis and judgment system based on VR glasses comprises a client (1), a server (2) and a central control center (3), wherein the client (1) is in bidirectional connection with the server (2) through an Ethernet, the server (2) is in bidirectional connection with the central control center (3) through the Ethernet, and the system is characterized in that: the central control center (3) is in signal connection with a VR glasses body (5) through a wireless communication module (4), the VR glasses body (5) comprises a micro control module (6), a power supply module (7) and a camera shooting comparison unit (8), the micro control module (6) is in bidirectional connection with the power supply module (7), the output ends of the micro control module (6) and the power supply module (7) are connected with the input end of the camera shooting comparison unit (8), the central control center (3) comprises a vision analysis system (9), the vision analysis system (9) is in bidirectional connection with a detection and adjustment unit (10), an interactive detection unit (11), a data comparison module (12), a difference calculation module (13) and a report generation module (14) respectively, the output end of the vision analysis system (9) is connected with the input end of a question and answer input module (15), the input of visual analysis system (9) is connected with the output of repeated detection module (16), the output of question answering input module (15) and detection regulating unit (10) all is connected with the input of interactive detecting unit (11), the output of interactive detecting unit (11) and detection regulating unit (10) all is connected with the input of data comparison module (12), the output of data comparison module (12) is connected with the input of difference calculation module (13), the output of difference calculation module (13) is connected with the input of report generation module (14).
2. The VR glasses based eye monitoring vision analysis and determination system of claim 1, wherein: the camera shooting contrast unit (8) comprises a camera shooting module (17), a pupil sampling module (18), a pattern contrast module (19), a real-time monitoring module (20) and a retest reminding module (21), wherein the output end of the camera shooting module (17) is respectively connected with the input ends of the pupil sampling module (18) and the real-time monitoring module (20), the output ends of the pupil sampling module (18) and the real-time monitoring module (20) are respectively connected with the input end of the pattern contrast module (19), and the output end of the real-time monitoring module (20) is connected with the input end of the retest reminding module (21).
3. The VR glasses based eye monitoring vision analysis and determination system of claim 2, wherein: the output end of the retest reminding module (21) is connected with the input end of the retest module (16).
4. The VR glasses based eye monitoring vision analysis and determination system of claim 2, wherein: detect regulatory unit (10) including visual chart generation module (22), opening adjustment module (23), distance setting module (24) and distance adjustment module (25), the output of visual chart generation module (22) is connected with the input of opening adjustment module (23), the output and the input of distance setting module (24) of opening adjustment module (23) are connected, the output and the input of distance adjustment module (25) of distance setting module (24) are connected.
5. The VR glasses based eye monitoring vision analysis and determination system of claim 4, wherein: the output ends of the opening adjusting module (23) and the distance adjusting module (25) are connected with the input end of the data comparing module (12).
6. The VR glasses based eye monitoring vision analysis and determination system of claim 1, wherein: interactive detecting element (11) include question and answer trigger module (26), test trigger module (27), voice broadcast/receiving module (28), keyword extraction module (29) and information derivation module (30), the output of question and answer trigger module (26) and test trigger module (27) all is connected with the input of voice broadcast/receiving module (28), the output of voice broadcast/receiving module (28) and the input of keyword extraction module (29) are connected, the output of keyword extraction module (29) is connected with the input of information derivation module (30).
7. The VR glasses based eye monitoring vision analysis and determination system of claim 1, wherein: the micro control module (6) is in bidirectional communication connection with the wireless communication module (4) through wireless.
8. The VR glasses based eye monitoring vision analysis and determination system of any one of claims 1-7, wherein: the using method specifically comprises the following steps:
step one, wearing and shaping: wearing a VR glasses body (1), adjusting eyes to be in a relaxed state, recording videos of the eyes through a camera module (17), intercepting photos of pupils in the relaxed state from a video screen through a pupil sampling module (18), guiding the photos into a pattern comparison module (19) to serve as standard images, transmitting eye image information subsequently recorded by the camera module (17) to the pattern comparison module (19) through a real-time monitoring module (20), comparing the eye image information with the standard images, directly reminding through a retest reminding module (21) when phenomena of squinting and the like influencing through hole focusing occur, and retesting vision detection at the stage through a repeat detection module (16);
step two, vision detection: directly displaying a vision test table in a VR glasses body (1) through a vision test table generating module (22), randomly selecting an opening direction of an E-type or C-type on the vision test table through an opening adjusting module (23), transmitting a selection result to a data comparing module (12) as a comparison answer, setting a detection distance of the vision test table by using a distance setting module (24), setting the distance to be 5 m, starting test voice broadcast through a test triggering module (27), broadcasting a character type at a specified position in the vision test table through a voice broadcast/receiving module (28), receiving the opening direction information by the voice broadcast/receiving module (28), extracting a specified direction output by a user through a keyword extracting module (29), transmitting the direction information to the data comparing module (12) through an information exporting module (30) and comparing the direction information with the comparison answer, after two successive answers are consistent, the vision is shown, a character with a smaller model is selected, the operation is repeated for continuous testing, if the answers are inconsistent, the vision is not shown, and at the moment, the conventional vision detection is finished;
step three, distance adjustment: transmitting the vision value result tested at the standard distance in the step two to a difference value calculation module (13) as a standard contrast value, and then adjusting the detection distance of the vision detection table through a distance adjustment module (25), wherein the adjustment distance is set to be 1 meter every time, then the vision values at 6 meters, 7 meters, 4 meters, 3 meters and 2 meters are measured according to the detection method in the step two in sequence, the vision values at 6 meters, 7 meters, 4 meters, 3 meters and 2 meters are transmitted to a difference value calculation module (13), the difference value between the vision value at 4 meters, 3 meters and 2 meters and the standard contrast value is a positive value, and the difference value is gradually increased, so that the judgment is performed as myopia, the difference value between the vision value at 6 meters and 7 meters and the standard contrast value is a positive value, and the difference value is gradually increased, so that the judgment is performed as hyperopia;
step four, asking and answering by doctors: after logging in the vision analysis system (9) by connecting a client (1) with a server (2), a doctor directly inputs the following questions in a question-answer input module (15): the user can watch clear or fuzzy and the eyes are normal or sour and astringent, then when the distance is adjusted in the third step for testing, the question-answer triggering module (26) is used for starting voice broadcasting, namely the questions are broadcasted through the voice broadcasting/receiving module (28), after the answers are made, the questions are received by the voice broadcasting/receiving module (28), and clear, fuzzy, normal, sour and astringent keywords and the like in the answers of the user are screened out through the keyword extraction module (29);
step five, report analysis: and (4) importing the vision value in the normal state detected in the step (II), the vision value and the vision difference value detected after the distance is adjusted in the step (III) and the extracted keywords in the corresponding distance screened in the step (IV) into a report generation module (14) together for the doctor to diagnose again.
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