CN106037626B - A kind of wear-type perimetry instrument - Google Patents
A kind of wear-type perimetry instrument Download PDFInfo
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- CN106037626B CN106037626B CN201610542764.2A CN201610542764A CN106037626B CN 106037626 B CN106037626 B CN 106037626B CN 201610542764 A CN201610542764 A CN 201610542764A CN 106037626 B CN106037626 B CN 106037626B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/02—Subjective types, i.e. testing apparatus requiring the active assistance of the patient
- A61B3/024—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for determining the visual field, e.g. perimeter types
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/0016—Operational features thereof
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/113—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining or recording eye movement
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Abstract
A kind of wear-type perimetry instrument, it is characterised in that：Including shell, control chip, closed eyeshade, two aspheric designs convex lens, outer casing underpart is provided with interpupillary distance regulation driving lever, for adjust two aspheric designs convex lens spacing to adapt to person under inspection's interpupillary distance；The eye being connected with control chip is provided with by the convex lens of each aspheric design and moves monitor and infrared eye, for monitoring eye movement；LED display is provided with before the convex lens of two aspheric designs, the stimulation point to provide different azimuth needed for the bias light in checking process, blinkpunkt and checking process, different brightness, to detect the person under inspection visual field；Perceptible feedback device, it is connected by wire with control chip, for feeding back sensing results of the person under inspection to bright spot on LED display.The present invention can quickly monitor the visual field of person under inspection, reduce because of the error of visual field testing result caused by eye movement so that the visual field examination or very convenient to patient's progress home follow-up with visual field damage illness to large area crowd.
Description
Technical field
The present invention relates to technical field of medical detection, more particularly to a kind of ophthalmology and neurology department's check device.
Background technology
The visual field (visual field) refer to when eye gaze a target it is observed that whole area of space.Depending on
Open country inspection is the detection means of a kind of conventional ophthalmology and neurology department, to find the defect of visual field caused by disease, with weight
The value that big diagnosis and therapeutic effect are assessed.It is currently known many diseases such as glaucoma, retinal disease, central nervous system
System tumour, nervous centralis ischemic etc. can cause missing or the change in the mankind visual field.
The most frequently used perimetry means are computer perioptometry on current clinical medicine.Its theoretical foundation is threshold value
Determination method, i.e., the susceptibility difference of the detection range interior focusing according to needed for person under inspection judges the size and defect feelings of field range
Condition.Concrete operation method is：1. fixed background luminance is adjusted in detection device；2. masking patient is simple eye, and detection is not covered
Eye；3. person under inspection head is fixed；4. person under inspection is made actively to watch a fixed point attentively；5. detection program starts, now can basis
Occurs the different stimulation point of brightness in the test scope of setting；6. person under inspection perceives actively to respond by indicator after stimulation and pierced
Swash；7. after the completion of simple eye detection, masking completes the eyes of detection and starts to detect Second eye, and detection mode is ibid；8. last root
The perimetry report of eyes is made in the response drawn according to person under inspection's bilateral eyes respectively.
As described above, now widely used perimetry is a kind of subjectivity for being completely dependent on person under inspection's cooperation and reaction
Detection means.It is mainly reflected in：1. person under inspection is needed actively to keep fixation all the time in whole checking process, otherwise can be because of eyeball
Motion cause the skew in the visual field, and cause the detection site photo threshold now occurred occur deviation (may enhancing may also subtract
It is weak)；2. need light stimulus of the person under inspection to different loci in detection process to be responded, otherwise audit report can be caused to occur
The result of false positive or false negative.
In addition, current visual field detecting instrument is more heavy, it is more difficult to which mobile, result in person under inspection needs during being examined
Passive position is taken, detection comfortableness is poor.For being smoothed out, it is necessary to by inspection chamber in detection process for guarantee visual field detection
In the state of dark, while causing inconvenience to device operator.
The content of the invention
It is an object of the invention to provide a kind of wear-type perimetry instrument, the subjectivity occurred in current perimetry is solved
Composition is on the high side and checking process in the person under inspection that occurs and operator uncomfortable problem.
The object of the present invention is achieved like this：A kind of wear-type perimetry instrument, it is characterised in that：Including a shell,
For installing following all parts；
One control chip, for sending and receiving for information；
One closed eyeshade, is connected with one end of shell；For described somascope to be pressed close into human body face, make detection not
Disturbed by ambient, and checking process is not influenceed by person under inspection's position；
The convex lens of two aspheric designs, are arranged on before closed eyeshade, and outer casing underpart is provided with interpupillary distance regulation
Driving lever, for adjust two aspheric designs convex lens spacing to adapt to person under inspection's interpupillary distance；
The eye being connected with control chip is provided with by the convex lens of each aspheric design and moves monitor and infrared photography
Device, for detecting eye movement；
LED display is provided with before the convex lens of two aspheric designs, to provide the background in checking process
Different azimuth, the stimulation point of different brightness needed for light, blinkpunkt and checking process, to detect the person under inspection visual field；
One perceptible feedback device, it is connected by wire with control chip, for feeding back person under inspection to bright spot on LED display
Sensing results.
The purpose of the present invention can also be achieved in that：The distance of the convex lens of LED display and aspheric design is 2-
4cm。
Described control chip, carries out processing record data by wired or wireless way and terminal and shows.
Described control chip be set in meet central 5 ° of the blinkpunkt ＜ of eye movement deflection when, LED display starts
There is different angles, the bright spot of different brightness, the appearance of this bright spot centered on central blinkpunkt, using the test scope that sets as
Border occurs at random in diverse location, and its brightness size also shows at random；Central 5 ° of the blinkpunkt ＞ of eye movement deflection when,
Bright spot on LED display stops display, while perceptible feedback device sends buzzing or vibration prompting to person under inspection.
Another object of the present invention, which is also resided in, provides the side that a kind of described wear-type perimetry instrument is used to check the visual field
Method, inspection method is comprised the following steps that：
1) person under inspection takes sitting posture or other comfortable positions, and wear-type perimetry instrument is placed at the moment, made closed
Formula eyeshade presses close to face and fixed；
2) turn on the power, LED display is lighted, occur a horizontal line of regard immediately ahead of eyes；Person under inspection's foundation should
Horizontal line adjustment interpupillary distance regulation driving lever, moves horizontally the convex lens of aspheric design, and make horizontal line of regard just at eye
The front of eyeball；
3) visual field test of an eyes is started：It will be closed without the LED display for testing opposite side, test side
LED display is lighted, and occurs center blinkpunkt on screen, if person under inspection feels that the blinkpunkt should not be further in centre
Adjustment closed eyeshade and interpupillary distance regulation driving lever make blinkpunkt placed in the middle；
4) after above-mentioned adjustment is ready, person under inspection keeps watching and pressing perception ultramagnifier attentively to front, now will be with eyeball
Fixation position be set to baseline and trigger eye and move monitor and infrared eye, proceed by the dynamic detection of lasting eye；Control core
Piece be set in meet central 5 ° of the blinkpunkt ＜ of eye movement deflection when, LED display (2) starts different angles, difference occur
The bright spot of brightness, the appearance of this bright spot centered on central blinkpunkt, by border of the test scope that sets diverse location with
Machine occurs, and its brightness size also shows at random；Central 5 ° of the blinkpunkt ＞ of eye movement deflection when, on LED display (2)
Bright spot stops display, while perceptible feedback device (7) sends buzzing or vibration prompting to person under inspection；
5) person under inspection perceived according to oneself when bright spot is flashed at the moment at once pressing perceive ultramagnifier, control chip with
Recorded, the process is persistently carried out, shown until the test point being set in all regions completes stopping bright spot；
6) test process terminates rear control chip by the appearance situation of binding test point and the feedback of person under inspection progress data
Collect, obtain light sensitivity of the person under inspection to each bright spot of display in the test scope；
7) by light sensitive degrees of data incoming terminal of the person under inspection to each bright spot, control Healthy People visual field standard
Whether data, the visual field that analysis and evaluation goes out person under inspection sustains damage, and provides perimetry report；
8) test-based examination that another eyes are carried out according to above-mentioned steps.
The beneficial effects of the invention are as follows：The visual field of person under inspection can be quickly monitored by wearing portable equipment, and
Moving monitoring device by eye can be reduced because of the error of visual field testing result caused by eye movement so as to large area crowd
Visual field examination or to visual field damage illness patient carry out home follow-up it is very convenient.
Brief description of the drawings
Fig. 1 checks the method flow schematic diagram in the visual field for the present invention
Fig. 2 is the structural representation of wear-type perimetry instrument of the present invention
Fig. 3 is Fig. 2 right view (profile)
Embodiment
The present invention is further described with reference to the accompanying drawings and examples.
Label component names shown in Fig. 2, Fig. 3 is：1st, closed eyeshade；2nd, LED display；3rd, eye moves monitor；4 is non-
The convex lens of spherical design；5th, infrared eye；6th, interpupillary distance regulation driving lever；7th, perceptible feedback device；8th, shell；Separately：Control core
Piece is marked not in the drawings.
The present invention is a kind of wear-type perimetry instrument worn by person under inspection, including a shell 8, following each for installing
Individual part：Closed eyeshade 1, the convex lens 4 of aspheric design, interpupillary distance regulation driving lever 6, eye move monitor 3, infrared eye
5th, LED display 2, perceptible feedback device 7 and control chip.Closed eyeshade is connected to the position that equipment presses close to face, convex lens
Mirror be located at person under inspection it is preocular have linkage driving lever, can by interpupillary distance adjust driving lever make two convex lens move horizontally so as to
Be located at the front of person under inspection, reach can without or less use eyes regulation may be viewed by front of LED display
And it is undistorted for the purpose of, eye moves monitor and infrared eye and set respectively by each convex lens, to detect eyeball
Motion, LED display be located at the moment side about 4cm place, by the convex lens 4 of foregoing aspheric design can make eyes without adjust or
Less regulation and it is distortionless observe LED display, and LED display is full of most of visual field, perceptible feedback device is
The button of control chip on one connected with outer casing.
Wear closed eyeshade 1 and after adjusting interpupillary distance regulation driving lever 6 convex lens 4 of aspheric design can be enable to be located at
Do not disturbed immediately ahead of the eyes of person under inspection and by ambient, now eye moves monitor and infrared eye is started working, and leads to
Cross the mark to ocular bioavailability feature such as iris, corneal limbus to detect that the eyes of person under inspection are moved, meet eye movement deflection
In the case of 5 ° of ＜, preocular LED display, which starts to occur different angles, the bright spot of different brightness, to stimulate, and this bright spot goes out
Now can at random occur as border centered on blinkpunkt, using the test scope set, its brightness also shows at random, it is therefore intended that survey
In examination fixed range person under inspection's eye coverage to the sensitivity of light to simulate under person under inspection's actual state eyes to difference
The susceptibility of position light, when person under inspection can perceive the stimulation of luminous point, is fed back by perceptible feedback device, will be fed back
Collect the visual field that can learn the person under inspection either with or without impaired.
A kind of wear-type perimetry instrument of the present invention, referring to Fig. 2, Fig. 3, including following all parts：
1) can fit the closed eyeshade 1 of human face's profile, and it makes detection not disturbed by ambient, and can make to check
Journey is not influenceed by person under inspection's position.
2) LED display 2, to provide the difference needed for the bias light in checking process, blinkpunkt and checking process
The stimulation point in orientation, different brightness.
3) eye moves monitor 3, for observing the emotionally condition of the eye during inspection detection is carried out, analysis eyeball and fixation point
Deviation situation, whether is the appearance of linkage detection process moderate stimulation point.
4) correspondence eyes position is configured with the convex lens 4 of aspheric design, and purpose is can be without by lens person under inspection
Or can observe foregoing LED display 2 using seldom regulation.It can be simultaneously reached the distortion of control visual field, show LED
The screen effect full of the visual field as far as possible.
5) infrared eye 5, the image transmitting that person under inspection can be participated in into detection process comes out, for the operator of detection
Observation and guides person under inspection to be correctly completed checking process.
6) interpupillary distance regulation driving lever 6 is lens to be adjusted to the front to eyes.
7) all perceive can be recorded by perceptible feedback device by touching in perceptible feedback device 7, person under inspection's checking process
Light stimulus.
8) shell 1, for installing above-mentioned all parts.
Control chip, sending and receiving and analyzing and calculate and may be coupled to terminal and show for information；
Wear-type perimetry instrument is used for the method for checking the visual field, comprises the following steps：
1) user takes sitting posture or other comfortable positions, and wear-type perimetry instrument is placed at the moment, made closed
Formula eyeshade 1 presses close to face and fixed；
2) turn on the power, LED display 2 is lighted, occur a horizontal line of regard immediately ahead of eyes；Person under inspection's foundation should
Horizontal line adjustment interpupillary distance regulation driving lever 6, move horizontally the convex lens 4 of aspheric design, and make horizontal line of regard just at
The front of eyes；
3) visual field test of an eyes is started：It will be closed without the LED display for testing opposite side, test side
LED display is lighted, and occurs center blinkpunkt on screen, if person under inspection feels that the blinkpunkt should not be further in centre
Adjustment closed eyeshade 1 and interpupillary distance regulation driving lever 6 make blinkpunkt placed in the middle；
4) after above-mentioned adjustment is ready, person under inspection keeps watching and pressing perception ultramagnifier 7 attentively to front, now will be with eyeball
Fixation position be set to baseline and trigger eye and move monitor 3 and infrared eye 5, proceed by the dynamic detection of lasting eye；Control
Chip be set in meet central 5 ° of the blinkpunkt ＜ of eye movement deflection when, LED display 2 starts different angles, difference occur
The bright spot of brightness, the appearance of this bright spot centered on central blinkpunkt, by border of the test scope that sets diverse location with
Machine occurs, and its brightness size also shows at random；Central 5 ° of the blinkpunkt ＞ of eye movement deflection when, it is bright on LED display 2
Point stops display, while perceptible feedback device 7 sends buzzing or vibration prompting to person under inspection；
5) ultramagnifier 7 of pressing perception at once, control chip when bright spot is flashed at the moment that person under inspection is perceived according to oneself
Recorded, the process is persistently carried out, shown until the test point being set in all regions completes stopping bright spot immediately；
6) test process terminates rear control chip by the appearance situation of binding test point and the feedback of person under inspection progress data
Collect, obtain light sensitivity of the person under inspection to each bright spot of display in the test scope；
7) by light sensitive degrees of data incoming terminal of the person under inspection to each bright spot, control Healthy People visual field standard
Whether data, the visual field that analysis and evaluation goes out person under inspection receives damage；
8) test-based examination carried out according to above-mentioned steps to another eyes, provides perimetry report.
Operation principle and application method：
The major part that wear-type perimetry instrument of the present invention enables LED display to cover person under inspection by convex lens is regarded
Open country, and employ more adjusting forces to produce visual fatigue without person under inspection, the convex lens of aspheric design can also make
Obvious distortion will not occur for the peripheral visual field of person under inspection so that the measurement of peripheral visual field is also more accurate.Using process
Middle infrared eye and eye move monitor can be with the eye movement situation of real-time tracking person under inspection, when person under inspection's eyeball deviates just
Stimulation bright spot when blinkpunkt on the LED display of front is more than 5 ° on LED display no longer occurs, until eyes return to note
Stimulate and occur again when viewpoint is less than 5 °, can so prevent the perimetry error caused by person under inspection's eye movement.When by
When inspection person can perceive stimulation point at the moment, the record stimulated by the perceptible feedback device pressed in hand finally collects institute
The stimulation point record for having collection can assess the sensitivity of field range and different range to light of person under inspection.
Specifically used method is as follows：Person under inspection takes sitting posture or other comfortable positions, and the present apparatus is placed at the moment, made
Closed eyeshade 1 is contacted to face and fixed；Now LED display 2 is lighted, and occurs a horizontal line immediately ahead of eyes；By
Inspection person moves horizontally the convex lens 4 of aspheric design, and make according to the horizontal line adjustment interpupillary distance regulation driving lever 6 occurred at the moment
Front of the line of regard just at eyes；It can start side after wearing closed eyeshade, the end-of-job of adjustment convex lens
The visual field test of eyes, is now closed without testing the screen of side, and the screen of test side is lighted, and is occurred just on screen
Middle blinkpunkt, if the subject perception blinkpunkt can not further adjust closed eyeshade 1 and interpupillary distance regulation in centre
Driving lever 6 makes blinkpunkt placed in the middle, and the ready rear person under inspection of all adjustment keeps front to watch attentively and presses perception ultramagnifier 7, now will
Baseline is set to the fixation position of eyeball and triggers eye and moves monitor 3 and infrared eye 5 and proceeds by the dynamic monitoring of lasting eye,
When eyeball fixes position is within 5 ° of each orientation of baseline, test bright spot, the meeting of this bright spot can occur in LED display
Occur at random as border centered on blinkpunkt, using the test scope set, its brightness random display, it is therefore intended that test is fixed
In the range of person under inspection's eye coverage to the sensitivity of light, when person under inspection can perceive pressing when bright spot at the moment is flashed perceive it is anti-
Feedback device 7 is recorded, and the process is persistently carried out, until the test point in all regions completes test；In to respective range
Test program terminate after, the feedback of the appearance situation of binding test point and person under inspection carry out Data Collection, you can obtain the survey
The light sensitivity of each point in the range of examination, and can be used to assess whether the person under inspection visual field receives damage.The visual field of another branch hole is surveyed
Method for testing is identical.
Claims (2)
1. a kind of wear-type perimetry instrument, it is characterised in that：Including a shell (8), for installing following all parts；
One control chip, calculating is sent and received and analyzes for information；
One closed eyeshade (1), is connected with one end of shell；For described somascope to be pressed close into human body face, make detection not
Disturbed by ambient, and checking process is not influenceed by person under inspection's position；
The convex lens (4) of two aspheric designs, are arranged on before closed eyeshade, and outer casing underpart, which is provided with interpupillary distance regulation, to be dialled
Bar (6), for adjust two aspheric designs convex lens spacing to adapt to person under inspection's interpupillary distance；
The eye being connected with control chip is provided with by the convex lens of each aspheric design and moves monitor (3) and infrared photography dress
(5) are put, for monitoring eye movement；
LED display (2) is provided with before the convex lens of two aspheric designs, to provide the background in checking process
Different azimuth, the stimulation point of different brightness needed for light, blinkpunkt and checking process, to detect the person under inspection visual field；LED shows
The distance of the convex lens (4) of display screen (2) and aspheric design is 2-4cm；
One perceptible feedback device (7), it is connected by wire with control chip, for feeding back person under inspection to bright spot on LED display
Sensing results；
Described control chip be set in meet central 5 ° of the blinkpunkt ＜ of eye movement deflection when, LED display (2) starts
Existing different angles, the bright spot of different brightness, the appearance of this bright spot is centered on central blinkpunkt, using the test scope that sets as side
Boundary occurs at random in diverse location, and its brightness size also shows at random；Central 5 ° of the blinkpunkt ＞ of eye movement deflection when,
Bright spot on LED display (2) stops display, while perceptible feedback device (7) sends buzzing or vibration prompting to person under inspection.
2. wear-type perimetry instrument according to claim 1, it is characterised in that：Described control chip, by wired
Or wireless mode carries out processing record data with terminal and shown.
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| CN201610542764.2A CN106037626B (en) | 2016-07-12 | 2016-07-12 | A kind of wear-type perimetry instrument |
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| CN106963547A (en) * | 2017-01-12 | 2017-07-21 | 乔丽萍 | The intelligent eye-cover for weak sight of monitoring in real time |
| CN107028584B (en) * | 2017-06-01 | 2019-05-17 | 赵阳 | A kind of perimetry method |
| TW201902412A (en) * | 2017-06-06 | 2019-01-16 | 沈荷芳 | Virtual reality eye detection system and eye detection method thereof |
| JP6184046B1 (en) * | 2017-06-09 | 2017-08-23 | 株式会社中京メディカル | Inspection apparatus and inspection method |
| CN107169309B (en) | 2017-07-26 | 2018-04-13 | 北京为凡医疗信息技术有限公司 | Visual field detection method, system and detection device based on wear-type detection device |
| DE102018106125B4 (en) * | 2018-03-16 | 2019-09-26 | Carl Zeiss Vision International Gmbh | Apparatus and method for detecting a visual field of a person having a scotoma |
| CN109171638A (en) * | 2018-10-25 | 2019-01-11 | 北京七鑫易维信息技术有限公司 | The method of eyesight detection, wears display equipment and vision inspection system at terminal |
| CN109846456A (en) * | 2019-03-06 | 2019-06-07 | 西安爱特眼动信息科技有限公司 | It is a kind of based on wear display equipment perimetry device |
| JP2020141906A (en) * | 2019-03-07 | 2020-09-10 | 株式会社Ｊｖｃケンウッド | Pupillary light reflex measurement device, pupillary light reflex measurement method, and pupillary light reflex measurement program |
| JP7276823B2 (en) * | 2019-03-28 | 2023-05-18 | 学校法人早稲田大学 | Visual cognitive function evaluation system |
| 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 |
| CN110537895A (en) * | 2019-09-06 | 2019-12-06 | 杨容 | Retina detecting system based on virtual reality technology |
| CN110812145B (en) * | 2019-11-20 | 2022-02-22 | 精准视光(北京)医疗技术有限公司 | Visual function adjusting method and device and virtual reality head-mounted display equipment |
| CN111528788A (en) * | 2020-05-27 | 2020-08-14 | 温州医科大学 | Portable detecting instrument for evaluating visual fatigue degree |
| CN112043235B (en) * | 2020-07-13 | 2024-02-06 | 天津市眼科医院 | Portable eyeball static rotation measuring instrument and method for measuring eyeball rotation angle by utilizing same |
| CN114224281B (en) * | 2021-12-29 | 2022-08-05 | 深圳市中医院 | Eye visual field detection device and method |
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| IL62627A (en) * | 1981-04-10 | 1984-09-30 | Yissum Res Dev Co | Eye testing system |
| US5864384A (en) * | 1996-07-31 | 1999-01-26 | Mcclure; Richard J. | Visual field testing method and apparatus using virtual reality |
| US5880812A (en) * | 1997-03-13 | 1999-03-09 | Ramot-University Authority For Applied Research And Industrial Development, Ltd. | Method and apparatus for evaluating and mapping visual field |
| US6231187B1 (en) * | 1999-02-11 | 2001-05-15 | Queen's University At Kingston | Method and apparatus for detecting eye movement |
| WO2000057772A1 (en) * | 1999-03-31 | 2000-10-05 | Virtual-Eye.Com, Inc. | Kinetic visual field apparatus and method |
| CN101185016A (en) * | 2005-03-30 | 2008-05-21 | 诺瓦维申公司 | Method and device for delivering visual stimuli with head mounted display during vision training |
| US8911087B2 (en) * | 2011-05-20 | 2014-12-16 | Eyefluence, Inc. | Systems and methods for measuring reactions of head, eyes, eyelids and pupils |
| US8808179B1 (en) * | 2012-08-06 | 2014-08-19 | James Z. Cinberg | Method and associated apparatus for detecting minor traumatic brain injury |
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