CN101268934A - Portable atria function detecting equipment - Google Patents
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- CN101268934A CN101268934A CNA2008100942233A CN200810094223A CN101268934A CN 101268934 A CN101268934 A CN 101268934A CN A2008100942233 A CNA2008100942233 A CN A2008100942233A CN 200810094223 A CN200810094223 A CN 200810094223A CN 101268934 A CN101268934 A CN 101268934A
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Abstract
The invention relates to a portable vestibule functional examination device which comprises a dummy visual target generating module that produces an stimulating signal of a dummy visual target picture used for visual stimulation, a dummy visual target optical display system that is used for displaying the dummy visual target picture, an eyeball motion picture collecting system that is used for incepting eyeball motion pictures of detected personnel caused by the dummy visual target picture and a picture processing module that is used for processing the eyeball motion pictures and forming a curve of the change of the pupil position following with time. The portable vestibule functional examination device of the invention has the advantages of simple structure and convenient carrying.
Description
Technical field
The present invention relates to a kind of atria function detecting equipment, particularly relate to a kind of portable atria function detecting equipment.
Background technology
Diseases such as vestibular function and people's spatial orientation ability, anti-airsick ability and vertigo, disequilibrium are closely related, so countries in the world generally all take much count of the detection of vestibular function.Carrying out method that vestibular function detects at present mainly contains eye movement detection, vestibulospinal reflex, vestibulo-perceptional response, vestibule and brings out current potential etc., and eye movement detects (refer to the eye movement reflection that stimulates vestibule to cause, and reflect the vestibular function state of analyzing according to eye movement) that to be that vestibular function detects main, one of modal method.
At present, the eye movement checkout facility mainly is to excite eye movement by dot matrix LEDs form or direct projection, this kind equipment has following shortcoming: 1. no matter utilize dot matrix LEDs form or direct projection, all must be provided with between the cylinder test that airtight lighttight, radius is about 1 meter, with hold tested personnel within it portion carry out vestibule and detect, and to dispose auxiliary facilities such as illuminator, motor, by cooperatively interacting of these equipment, the visual stimulus image of eye movement, aptitude test vestibular function are brought out in generation.No matter utilize dot matrix LEDs form or direct projection, owing to must be equipped with and wait equipment between above-mentioned test, and can not further dwindle again between test, otherwise will influence testing result, like this, it is bulky to cause the periphery of single unit system to look target equipment, it is big to take up room, and need the professional to carry out special mounting, need take certain space during outfit and carry out certain capital construction installation, also can't carry after the installation, can not at will move, incompatibility is outdoor and need ambulant test site, not only gives to promote the use of and has brought very big inconvenience, and be unfavorable for carrying out the detection of vestibular function whenever and wherever possible; 2. target equipment is looked in use in huge periphery, and its each parts certainly lead to mechanical wear, influence its service life; 3. existing checkout facility mostly is external import, and not only inconvenient maintenance but also price are very expensive; 4. existing equipment in use, its mechanical part such as motor etc. can produce noise, can detected personnel be exerted an influence to a certain extent, influence accuracy of detection; 5. the accessory interface of existing equipment etc. mostly is special-purpose, and poor compatibility is not easy to the renewal of accessory and the upgrading of regenerating.
In addition, the atria function detecting equipment that adopts the eyeshield form is also arranged in the prior art, but just in eyeshield, be provided with monocular or the binocular camera shooting device that is used to absorb the electrooculogram picture, no vision stimulatory function, still need huge periphery to look target equipment and produce the visual stimulus target, such equipment uses equally very inconvenience.
Summary of the invention
For this reason, technical problem to be solved by this invention is to provide a kind of portable atria function detecting equipment simple in structure, easy to carry.
For solving the problems of the technologies described above, portable atria function detecting equipment provided by the present invention comprises
The virtual target generation module of looking produces the virtual stimulus signal of looking the target image that is used for visual stimulus;
The virtual target optical presentation system of looking is used to show the described virtual target image of looking;
The ocular movement image capturing system is used to absorb detected personnel by the described virtual ocular movement image that the target image causes of looking;
Image processing module is used for described ocular movement image is handled, and forms the time dependent curve of pupil position.
Describedly virtually look the target optical presentation system and described ocular movement image capturing system is integrated in the video eyeshield.
Described portable atria function detecting equipment also comprises the image information analysis module, and it determines the state of vestibular function by the comparative analysis with time dependent curve of described pupil position and predetermined threshold value.
The described virtual target optical presentation system of looking comprises miniature image source unit and projecting optical unit.
Described miniature image source unit comprises and is used to show the described virtual display of looking the target image, described projecting optical unit comprises the eyepiece optical system of being made up of a plurality of lens, described eyepiece optical system is arranged in the lens barrel, and by spacer ring, trim ring and spacers.
Described ocular movement image capturing system comprises two miniature thermal cameras, is respectively applied for the ocular movement image of two eyes of the detected personnel of picked-up.
Also comprise in the described video eyeshield and be used to adjust the described virtual interpupillary distance governor motion of eyepiece optical system interpupillary distance described in the target optical presentation system and the guiding mechanism of described ocular movement image capturing system angle and position looked.
Described portable atria function detecting equipment also comprises and is used for the command reception system that detected personnel receive instruction.
The described virtual operational mode of target image of looking is for the apparent motion single speed flashes, the apparent motion sine flashes with apparent motion and alternately one of flashes; Described virtual look the target image be shaped as point-like or striated.
Described virtual angle of visual field scope of looking the target image is 45 degree-70 degree.
Compared with prior art, technical scheme of the present invention has the following advantages: 1. the virtual target optical presentation system of looking of the present invention's employing produces the visual stimulus of realizing bringing out eye movement, described visual stimulus is a virtual image that utilizes transmission-type virtual image technology to produce, the dead ahead pseudo range that this virtual image is positioned at detected personnel is 1 meter, the collection of the demonstration of visual stimulus target and electrooculogram picture is integrated in the video eyeshield, need not traditional periphery and look target equipment, obviously reduced the volume and weight of integral device, and very convenient to carry; Being provided with all of various stimulus modelities, stimulus parameter can realize by software, need not special installation, debugging, and it is more convenient to use; 2. portable atria function detecting equipment of the present invention, owing to cancelled huge ancillary equipment, the demonstration of visual stimulus target and the collection of electrooculogram picture are integrated in the video eyeshield, reduced a large amount of mechanical parts, greatly reduce mechanical wear, guaranteed the service life of integral device; 3. portable atria function detecting equipment of the present invention is integrated in the demonstration of visual stimulus target and the collection of electrooculogram picture in the video eyeshield, can not produce mechanicalness noise in testing process, has guaranteed the accuracy that detects to a certain extent; 4. portable atria function detecting equipment of the present invention adopts general-purpose interface, and compatibility soft, hardware is strong, the upgrading of being convenient to upgrade in time; 5. the ocular movement image capturing system in the video eyeshield of the present invention is provided with two thermal cameras, can absorb the ocular movement image of two eyes simultaneously, make detection more accurate to the virtual adjusting of looking target optical presentation system and ocular movement image capturing system position by regulating system; 6. the portable atria function detecting equipment that adopts of the present invention, easy to maintenance, and the video eyeshield is according to the human engineering principle design, make the relative position of video eyeshield and human body head stable, comfortable wearing and when guaranteeing to detect with the intact applying of cheek, close light tight, thereby further can guarantee the accuracy of detection.7. the portable atria function detecting equipment that adopts of the present invention, selecting the angle of visual field is 60 ° the virtual target image of looking, and making virtual looking under the prerequisite that the target image do not deform, guarantees accuracy of detection.
Description of drawings
For the easier quilt of content of the present invention is clearly understood, below according to a particular embodiment of the invention and in conjunction with the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the video eyeshield sketch map of portable atria function detecting equipment of the present invention;
Fig. 2 is the video eyeshield overall structure sketch map of portable atria function detecting equipment of the present invention;
Fig. 3 (a) is the video eyeshield cut-away view of portable atria function detecting equipment of the present invention;
Fig. 3 (b) is that Fig. 3 (a) A-A ' of portable atria function detecting equipment of the present invention is to cutaway view;
Fig. 4 is a virtual structural representation of looking the target optical presentation system in the video eyeshield of portable atria function detecting equipment of the present invention;
Fig. 5 is the virtual target optical presentation system direct viewing type optical system sketch map of looking in the video eyeshield of portable atria function detecting equipment of the present invention;
Fig. 6 is the virtual target optical presentation system screen distance sketch map of looking of portable atria function detecting equipment of the present invention;
Fig. 7 is the position view of ocular movement image capturing system in the video eyeshield of portable atria function detecting equipment of the present invention;
Fig. 8 is the ultimate principle figure of portable atria function detecting equipment of the present invention;
Fig. 9 measures the sketch map of pupil in difference moment position in the portable atria function detecting equipment image processing module of the present invention.
Reference numeral is expressed as among the figure: 11-liquid crystal micro display, 12-eyepiece optical system, 13-lens barrel, 14-spacer ring, the 15-trim ring, 16-pad, the miniature thermal camera of 17-, 18-photographic head location bent plate, the 19-guiding mechanism, 20-shell, 21-detent mechanism, 22-reverse-flighted screw, 23-adjusts roller, 24-fixed mount, 25-slide rail, 26-interpupillary distance governor motion, 27-eyeball, the 28-virtual image, 29-video camera form, 30-follows the tracks of window, 31-pupil movement image
The specific embodiment
Portable atria function detecting equipment of the present invention comprises video eyeshield, portable computer and application software.
As shown in Figure 1, be the video eyeshield sketch map of portable atria function detecting equipment of the present invention.Described video eyeshield comprise be respectively applied for about two eyes, two identical virtual target optical presentation systems of looking, ocular movement image capturing system, regulating system and command reception system.The described virtual target optical presentation system of looking shows the virtual target image of looking that is used for visual stimulus, comprises miniature image source unit and projecting optical unit; Described ocular movement image capturing system is used to absorb detected personnel by the described virtual ocular movement image that the target image causes of looking; Described regulating system is used to adjust described virtual angle and the position of looking target optical presentation system and described ocular movement image capturing system; Described command reception system is used for detected personnel and receives instruction.In the present embodiment, described command reception system is earphone, and is not shown in the figures.
Shown in Fig. 2 to 4, in the present embodiment, the described virtual described miniature image source unit of looking the target optical presentation system is and is used to show the described virtual liquid crystal micro display 11 of looking the target image; Described projecting optical unit comprises the eyepiece optical system of being made up of a plurality of lens 12, and described eyepiece optical system 12 is arranged in the lens barrel 13, and fixing by spacer ring 14, trim ring 15 and pad 16, as shown in Figure 4.According to the optical design requirement, all be described eyepiece optical system 12 and described liquid crystal micro display 11 to be combined exactly by a described lens barrel 13 and two described spacer rings 14 each described virtual looking in the target optical presentation system.The described virtual target optical presentation system of looking adopts the virtual optics technology will be used to show that the described virtual described liquid crystal micro display 11 of looking the target image is placed within the eyepiece focus, generate a virtual image, the size of its image distance and picture is not subjected to the restriction of instrument size, utilizes object distance variation or eyepiece focal length to change and can make virtual image image distance satisfy pre-provisioning request.
The object lens imaging relations can be calculated by Gauss formula:
1/L′-1/L＝1/f′
The described virtual design of looking the target optical presentation system is as follows:
Relative aperture: (1/3.4);
The angle of visual field: 2 ω=54 ° (47 ° * 34 °);
Focal length: f '=15mm;
Emergent pupil: Φ
p=4.5mm;
Emergent pupil distance: L
p=25mm.
Design relative aperture of the present invention is big, and emergent pupil is long, and the angle of visual field is bigger than normal, and the structure more complicated needs careful aberration correction.Optical system of the present invention is a direct viewing type, as shown in Figure 5.Described liquid crystal micro display 11 is by the dead ahead of described eyepiece optical system 12 at detected personnel's eyeball 27, and pseudo range is that 1m place far away forms a virtual image 28, is the described virtual target image of looking.
In the present embodiment, the described virtual described liquid crystal micro display 11 of looking the employing of target optical presentation system is 0.61 " high-resolution OLED colour liquid crystal display device, pixel number are 800 * 600, employing transmission-type virtual image, observing the angle of visual field is 60 °.
The described virtual target image of looking among the present invention has following two kinds:
1. (range of error: the luminous point that moves of different frequency or random model ± 5%), Move Mode is sine or square wave with 0.1Hz, 0.2Hz, 0.4Hz, 0.5Hz.The luminous point sizableness that produces is at the 1.0m place, the garden shape speck of Φ=5mm.
2. be 60 °/s by 20 °/s, 30 °/s, 40 °/s constant speed mode or by peak speed, frequency is the black and white clause that the sinusoidal model of 0.05Hz rolls, range of error: ± 5%.
As shown in Figure 6, the angle of visual field of looking the virtual demonstration of target is 60 °, is example with the black and white clause, is 60 °/s if require rolling speed, just wants any a pair of black and white clause to move on to the other end from one of the visual field in 1 second.Press the standard of normal video image, be exactly every and move 60 °/50=1.2 °, in other words 1/50 of every approximate moving screen.Display screen is a plane, if consider the situation (as shown in phantom in FIG.) on the face of cylinder, the distance on the screen of identical angle of circumference correspondence can accurately be calculated.Distance D 1 on the screen of same θ angle correspondence is different with D2.
D2=R tan θ, D1+D2=R tan (2 θ), if, θ=15 °, R=1m, then
D2＝R?tanθ＝0.268(m)
D1＝R?tan(2θ)-D2＝0.309(m)
By that analogy, can accurately calculate the virtual distance of target image lines on screen of looking.Equally, the width of lines also can be revised according to the angle that departs from screen center.
Described ocular movement image capturing system is a biocular systems, can satisfy the monocular requirement and also can satisfy the binocular requirement.As shown in Figure 7, described ocular movement image capturing system comprises two miniature thermal cameras 17, photographic head location bent plate 18 and infrared illumination system.Two described miniature thermal cameras 17 are respectively applied for the ocular movement image of two eyes of the detected personnel of picked-up, are installed in the oblique below of two eyes eyeballs 27 respectively.Two described miniature thermal cameras 17 are fixed on the frame of described video eyeshield by detent mechanism 21, and fixedly connected with described lens barrel 13 by described photographic head location bent plate 18, and particular location as shown in Figure 7.In the present embodiment, described eyepiece optical system 12 is 12mm from the distance of eye pupil to the first lens, the external diameter Φ D of described lens barrel 13 is 29mm, photographic head external diameter Φ d is 14mm, structure as shown in Figure 7 can make photographic head not be subjected to the interference of described lens barrel 13, also bump cheek, and can absorb complete, electrooculogram picture clearly less than detected personnel.The optical axis of two described miniature thermal cameras 17 and horizontal angle α=58 °.To occupy 3/4 of picture approximately be standard to the image with whole eyes chosen of the lens focus of described microcam 17.In the present embodiment, described miniature thermal camera 17 adopts the black and white cmos camera, its photosensitive area: 4.9mm * 3.7mm, work illumination: 0Lux, standard: field frequency 25Hz, line frequency 15625Hz, image resolution ratio: 〉=300TVL.Described infrared illumination system is used to eliminate the veiling glare from described liquid crystal micro display 11 screens, adds on described miniature thermal camera 17 simultaneously and joins infrared fileter, to arrive better filter effect.The virtual target image slices of looking of the present invention is apart from for 1m, and monocular image distance tolerance is calculated by 5% of image distance, and object distance tolerance Δ x=0.012mm will guarantee this tolerance in structural design with when debuging.
The following standard of biocular systems design reference of described ocular movement image capturing system:
Parallelism of optical axis: vertical direction＜15 '
Horizontal direction: convergence＜20 '
Horizontal direction: disperse＜60 '
Visual amplification is poor:＜2%
Left and right sides optical system is relatively as inclination:＜30 '
Left and right sides transmissivity of optical system is poor :≤15%
Referring again to Fig. 2 to Fig. 4, described regulating system comprises the guiding mechanism 19 that is used to adjust the interpupillary distance governor motion 26 of described eyepiece optical system 12 interpupillary distances and is used to adjust described thermal camera 17 angles of inclination and position.See again shown in Fig. 3 (a) and Fig. 3 (b) that described interpupillary distance governor motion 26 comprises (left and right revolving) reverse-flighted screw 22, adjusts roller 23, fixed mount 24 and slide rail 25.The described adjustment roller 23 that is arranged on described video eyeshield hull outside by adjustment is adjusted the interpupillary distance of described eyepiece optical system 12, and the interpupillary distance adjusting range of portable atria function detecting equipment provided by the invention is 58mm-70mm.
In addition, the shell 20 of described video eyeshield is made up of the housing that plastic uptake is shaped, two parts about being divided into, and be combined into as a wholely, and being fixed on by links such as screws on the frame of described video eyeshield, the overall weight of described video eyeshield is about 350g.The described shell 20 anterior bent limits that contacts with cheek adopt the sticking bag of softish rubber and plastic complete, during with the assurance detection described video eyeshield can with the intact applying of cheek and close light tight.
Described portable computer comprises Computer Storage and display system, Peripheral Interface, and the application circuit and the electrical equipment that match with described application software.Described Peripheral Interface is a general-purpose interface, is convenient to equipment renewal upgrading in the future.
Described application software is realized the setting to various stimulus parameters, and to the collection of ocular movement view data with carry out the calculation of parameter analysis.Described application software comprises virtual target generation module, image processing module and the image information analysis module looked.The described virtual target generation module of looking produces the virtual stimulus signal of looking the target image that is used for visual stimulus; Described image processing module is used for described ocular movement image is handled, and forms the time dependent curve of pupil position; Described image information analysis module, it determines detected personnel's vestibular function state by the comparative analysis with time dependent curve of described pupil position and predetermined threshold value.
As shown in Figure 8, be the ultimate principle figure of portable atria function detecting equipment of the present invention, therefore the described portable atria function detecting equipment of present embodiment is to analyze the vestibular function state by the people's who is subjected to various visual stimulus eye movement, with the moving image of the eye pupil object as tracking measurement.The groundwork process of portable atria function detecting equipment provided by the present invention is:
At first, after described portable atria function detecting equipment starts, produce stimulus signal by the described virtual target generation module of looking, by stimulation signal generator described stimulus signal is sent in the described liquid crystal micro display 11 in the described video eyeshield, show the described virtual target image of looking by described liquid crystal micro display 11; Detected personnel just can bring out the eye movement reflection of particular form by following the tracks of or watching the described virtual target image of looking attentively.
Then, two described miniature thermal cameras 17 in the described ocular movement image capturing system will absorb the ocular movement image of two eyes and transmit described image processing module, utilize the pupil part difference of eyeball other parts contrast (gray scale) relatively, pupil movement image 31 is separated, form the pupillomotor video signal of representative, and automatically described pupil movement image 31 is carried out Tracking Recognition, as shown in Figure 9, in video camera form 29, be provided with and follow the tracks of window 30, show the described pupil movement image 31 that Tracking Recognition goes out in the described tracking window 30.Afterwards, described image processing module is represented the motion of eyeball with the motion of pupil, and described pupil movement image 31 is handled, and forms the time dependent curve of pupil position.Principle according to television measurement, TV measurement calculates pupil different pupillomotor two-dimensional coordinates constantly in CMOS target surface coordinate system, i.e. pupil movement image 31 different positions (Δ Xt, Δ Yt) constantly in video camera target surface coordinate system.Then, according to pupil position data (Δ Xt by the time sequence measuring, Δ Yt), point-by-point mapping one-tenth (X-t) and (Y-t) aircraft pursuit course respectively in the target surface coordinate system, therefrom can analyze the kinestate of pupil, each need draw 2 curves every eye, is respectively pupil horizontal level curve and pupil upright position curve over time over time.
At last, by described image information analysis module,, determine the state of vestibular function by comparative analysis with time dependent curve of described pupil position and predetermined threshold value.Variation according to the pupil movement curve that different stimulated produced, certain threshold values is set, each relevant composition to slow phase, snap shot and other form eye movement of nystagmus is discerned, by the various parameters of method computational analysiss such as difference based on slow phase velocity etc., final analysis, the detected personnel's of evaluation vestibular function state.
Described virtual operational mode of looking the target image comprises one of following pattern: apparent motion single speed, apparent motion sine and apparent motion alternately flash; Described virtual look the target image be shaped as point-like or striated.Certainly, in other embodiments, can also bring out by other stimulations according to the different eye movement reflections of test item, as temperature, the stimulation of shaking the head, seat rotatory stimulation etc.
In other embodiments, the described virtual angle of visual field of looking the target image can be 45 ° or 70 °, and described virtual angle of visual field scope of looking the target image is 45 °-70 °.If the angle of visual field can not guarantee the accuracy that detects less than 45 °, adopt the angle of visual field that the described virtual target image of looking is deformed greater than 70 °, influence accuracy of detection equally.Therefore, the present invention selects the angle of visual field of 45 ° of-70 ° of scopes, and optimum is that the angle of visual field is 60 °, can reach the good detection precision.
Obviously, the foregoing description only is the example that provides for clearly illustrating, they are not to be limitation of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And conspicuous variation of being extended out thus or change must fall into protection scope of the present invention.
Claims (10)
1, a kind of portable atria function detecting equipment is characterized in that: comprise
The virtual target generation module of looking produces the virtual stimulus signal of looking the target image that is used for visual stimulus;
The virtual target optical presentation system of looking is used to show the described virtual target image of looking;
The ocular movement image capturing system is used to absorb detected personnel by the described virtual ocular movement image that the target image causes of looking;
Image processing module is used for described ocular movement image is handled, and forms the time dependent curve of pupil position.
2, portable atria function detecting equipment according to claim 1 is characterized in that: describedly virtually look the target optical presentation system and described ocular movement image capturing system is integrated in the video eyeshield.
3, portable atria function detecting equipment according to claim 1, it is characterized in that: described portable atria function detecting equipment also comprises the image information analysis module, it determines the state of vestibular function by the comparative analysis with time dependent curve of described pupil position and predetermined threshold value.
4, portable atria function detecting equipment according to claim 1 and 2 is characterized in that: the described virtual target optical presentation system of looking comprises miniature image source unit and projecting optical unit.
5, portable atria function detecting equipment according to claim 4, it is characterized in that: described miniature image source unit comprises and is used to show the described virtual display of looking the target image, described projecting optical unit comprises the eyepiece optical system of being made up of a plurality of lens, described eyepiece optical system is arranged in the lens barrel, and by spacer ring, trim ring and spacers.
6, portable atria function detecting equipment according to claim 1 and 2 is characterized in that: described ocular movement image capturing system comprises two miniature thermal cameras, is respectively applied for the ocular movement image of two eyes of the detected personnel of picked-up.
7, portable atria function detecting equipment according to claim 5 is characterized in that: also comprise in the described video eyeshield being used to adjust the described virtual interpupillary distance governor motion of eyepiece optical system interpupillary distance described in the target optical presentation system and the guiding mechanism of described ocular movement image capturing system angle and position looked.
8, portable atria function detecting equipment according to claim 1 and 2 is characterized in that: also comprise being used for the command reception system that detected personnel receive instruction.
9, portable atria function detecting equipment according to claim 1 is characterized in that: the described virtual operational mode of target image of looking is for the apparent motion single speed flashes, the apparent motion sine flashes with apparent motion and alternately one of flashes; Described virtual look the target image be shaped as point-like or striated.
10, portable atria function detecting equipment according to claim 1 and 2 is characterized in that: described virtual angle of visual field scope of looking the target image is 45 degree-70 degree.
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| CN 200810094223 CN100579446C (en) | 2008-04-23 | 2008-04-23 | Portable atria function detecting equipment |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102831417A (en) * | 2012-08-20 | 2012-12-19 | 陈剑军 | Binocular iris image acquisition device |
| CN106551674A (en) * | 2016-09-09 | 2017-04-05 | 中国人民解放军海军总医院 | Eye-movement measurement device based on simulation spatial disorientation scene |
| CN106580263A (en) * | 2017-01-13 | 2017-04-26 | 杭州师范大学 | Head-mounted Alzheimer disease diagnostic device and control method thereof |
| CN108379042A (en) * | 2018-04-10 | 2018-08-10 | 中国人民解放军陆军军医大学第附属医院 | A kind of wear-type visual function training device |
| CN109077701A (en) * | 2018-02-05 | 2018-12-25 | 中国人民解放军空军航空医学研究所 | A kind of dynamic visual acuity detection device |
| CN109864699A (en) * | 2019-01-04 | 2019-06-11 | 东南大学 | Animal nystagmus parameter based on vestibulo-ocular reflex obtains system and method |
| CN110313888A (en) * | 2019-07-23 | 2019-10-11 | 云南省第一人民医院 | A kind of Neurology pupillary light reflex diagnostic device and application |
| CN111653148A (en) * | 2020-06-04 | 2020-09-11 | 中国人民解放军空军特色医学中心 | Flight attitude simulation method and device |
| CN113633257A (en) * | 2021-07-29 | 2021-11-12 | 佛山市第一人民医院（中山大学附属佛山医院） | Vestibular function examination method, system, device and medium based on virtual reality |
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2008
- 2008-04-23 CN CN 200810094223 patent/CN100579446C/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102831417A (en) * | 2012-08-20 | 2012-12-19 | 陈剑军 | Binocular iris image acquisition device |
| CN106551674A (en) * | 2016-09-09 | 2017-04-05 | 中国人民解放军海军总医院 | Eye-movement measurement device based on simulation spatial disorientation scene |
| CN106580263A (en) * | 2017-01-13 | 2017-04-26 | 杭州师范大学 | Head-mounted Alzheimer disease diagnostic device and control method thereof |
| CN109077701A (en) * | 2018-02-05 | 2018-12-25 | 中国人民解放军空军航空医学研究所 | A kind of dynamic visual acuity detection device |
| CN108379042A (en) * | 2018-04-10 | 2018-08-10 | 中国人民解放军陆军军医大学第附属医院 | A kind of wear-type visual function training device |
| CN108379042B (en) * | 2018-04-10 | 2024-04-12 | 中国人民解放军陆军军医大学第一附属医院 | Head-wearing visual function training device |
| CN109864699A (en) * | 2019-01-04 | 2019-06-11 | 东南大学 | Animal nystagmus parameter based on vestibulo-ocular reflex obtains system and method |
| CN110313888A (en) * | 2019-07-23 | 2019-10-11 | 云南省第一人民医院 | A kind of Neurology pupillary light reflex diagnostic device and application |
| CN111653148A (en) * | 2020-06-04 | 2020-09-11 | 中国人民解放军空军特色医学中心 | Flight attitude simulation method and device |
| CN113633257A (en) * | 2021-07-29 | 2021-11-12 | 佛山市第一人民医院（中山大学附属佛山医院） | Vestibular function examination method, system, device and medium based on virtual reality |
| CN113633257B (en) * | 2021-07-29 | 2023-12-05 | 佛山市第一人民医院（中山大学附属佛山医院） | Vestibular function checking method, system, equipment and medium based on virtual reality |
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