CN112674716A - Head position measuring device capable of collecting eye shake data - Google Patents
Head position measuring device capable of collecting eye shake data Download PDFInfo
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- CN112674716A CN112674716A CN202011456211.8A CN202011456211A CN112674716A CN 112674716 A CN112674716 A CN 112674716A CN 202011456211 A CN202011456211 A CN 202011456211A CN 112674716 A CN112674716 A CN 112674716A
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- carrier
- head position
- sliding rod
- infrared camera
- module
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- 230000004424 eye movement Effects 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 239000013589 supplement Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 230000035939 shock Effects 0.000 abstract description 6
- 210000003128 head Anatomy 0.000 description 51
- 210000001508 eye Anatomy 0.000 description 28
- 206010029864 nystagmus Diseases 0.000 description 10
- 238000005259 measurement Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000000638 stimulation Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 210000005252 bulbus oculi Anatomy 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 208000006354 Congenital Nystagmus Diseases 0.000 description 1
- 206010010356 Congenital anomaly Diseases 0.000 description 1
- 208000003164 Diplopia Diseases 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 206010047571 Visual impairment Diseases 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001447 compensatory effect Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 210000001061 forehead Anatomy 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000004886 head movement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000001020 rhythmical effect Effects 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 208000029257 vision disease Diseases 0.000 description 1
- 230000004382 visual function Effects 0.000 description 1
- 230000004393 visual impairment Effects 0.000 description 1
Images
Abstract
The invention discloses a head position measuring device capable of collecting eye shock data, which comprises a carrier, a head position angle measuring unit, a data transmission unit and an eye movement measuring unit, wherein the carrier is a spectacle-type frame, and the bottom of the front end of the carrier is fixedly provided with a nose support; the eye movement measuring unit comprises two sub-measuring units which are respectively arranged on two sides of a carrier, each sub-measuring unit comprises a sliding rod, an adjusting screw rod and an infrared camera, a hollow groove is formed in one end of each sliding rod, the hollow groove is sleeved on a fixing screw on the side portion of the carrier, a locking nut capable of clamping the sliding rods with the carrier is in threaded connection with the fixing screw, a locking nut and an adjusting nut capable of clinging to two sides of the other end of each sliding rod are in threaded connection with one end of each adjusting screw rod, and the infrared camera is fixedly arranged at the other end of each adjusting screw; the head position angle measuring unit comprises an IMU sensor fixedly arranged on the carrier, and the data transmission unit comprises a Wi-Fi module and a battery which are electrically connected. The invention can measure the eye shake while measuring the head position.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a head position measuring device capable of collecting eye shake data.
Background
Nystagmus is an involuntary, rhythmic, back-and-forth oscillating movement of the eye that can cause multiple hazards such as visual impairment, binocular visual function impairment, diplopia, compensation of head position, and the like. Researches show that the compensation of the head angle and the nystagmus strength has very important significance in the field of ophthalmology and the field of human engineering, and the compensation is often used as the diagnosis basis of congenital nystagmus clinically.
At present, a compensation head position measuring device developed by using a coordinatometer exists clinically in China, X, Y, Z3 axial deflection angles of a head position can be measured simultaneously, but the accuracy is poor, and the automation degree is low. A posture sensing device based on a liquid compass design is developed by a gorgeous peak and the like in the follow-up process, and can be used for accurately measuring the head distortion degree of a patient with a compensated head position clinically. With the development of the MEMS (micro electro mechanical system) technology, the IMU sensor based on the MEMS technology has high accuracy and repeatability, and its volume, mass and interference to the head are much smaller than those of a liquid compass.
Eye movement instruments are mostly used for measuring the eye shock strength, a plurality of special eye movement instruments for human eye detection have been developed by companies at home and abroad, and the infrared video eye movement instrument is the best choice in an eye movement detection method at present. However, no measuring device for congenital essential nystagmus can be conveniently used for both eye shake measurement and head position measurement.
Disclosure of Invention
The invention aims to provide a head position measuring device capable of collecting eye shake data, which is used for solving the problems in the prior art and realizing the measurement of head position and eye shake.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a head position measuring device capable of collecting eye shock data, which comprises a carrier, a head position angle measuring unit, a data transmission unit and an eye movement measuring unit, wherein the carrier is a spectacle-type frame, and a nose support is fixedly arranged at the bottom of the front end of the carrier;
the eye movement measuring unit comprises two sub-measuring units which are respectively arranged on two sides of the carrier, each sub-measuring unit comprises a sliding rod, an adjusting screw rod and an infrared camera, a hollow groove is formed in one end of each sliding rod, the hollow groove is sleeved on a fixing screw on the side portion of the carrier, a locking nut capable of clamping the sliding rod with the carrier is in threaded connection with the fixing screw, a locking nut and an adjusting nut capable of clinging to two sides of the other end of each sliding rod are in threaded connection with one end of each adjusting screw rod, and the infrared camera is fixedly arranged at the other end of each adjusting screw rod;
the head position angle measuring unit comprises an IMU sensor fixedly arranged on the carrier, the data transmission unit comprises a Wi-Fi module and a battery which are electrically connected, and the infrared camera and the IMU sensor are respectively and electrically connected with the Wi-Fi module.
Preferably, a plurality of infrared light supplement lamps are annularly distributed on the periphery of each infrared camera.
Preferably, the nose pad is made of silica gel.
Preferably, the top of the carrier is fixedly connected with a T-shaped panel, and the Wi-Fi module and the battery are fixedly arranged on the T-shaped panel respectively.
Preferably, when the locking nut between the sliding rod and the carrier is loosened, the sliding rod can be manually adjusted to slide and rotate relative to the fixing screw.
Preferably, when the locking nut at one end of the adjusting screw rod and the adjusting nut are loosened, the adjusting screw rod can be manually adjusted, so that the adjusting screw rod slides and rotates relative to the sliding rod.
Preferably, the Wi-Fi module comprises a first Wi-Fi module and a second Wi-Fi module, the IMU sensor and one infrared camera are electrically connected with the first Wi-Fi module, and the other infrared camera is electrically connected with the second Wi-Fi module.
Compared with the prior art, the invention has the following technical effects:
the head position measuring device capable of collecting the eye shake data can measure the eye shake while measuring the head position. The infrared camera in the head position measuring device capable of collecting the eye shock data is fixed on the head along with the device, and cannot be interfered by the movement of the head; the shooting angle of the infrared camera and the distance between the infrared camera and eyes are adjustable, and the infrared camera can conveniently capture clear images with proper eye area sizes. The head attitude angle is measured by adopting the IMU sensor based on the MEMS technology, and the device has small volume, light weight, high precision and good real-time property. The accuracy, the precision and the automation degree of the compensation head position measurement are enhanced. Provides a more accurate, more convenient and faster measuring method for measuring nystagmus compensating head position, and leads the operation plan to be more reasonable and scientific by providing clear quantitative measuring indexes so as to improve the expected effect of the operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a first schematic structural diagram of a head position measuring device capable of acquiring eye shake data according to the present invention;
FIG. 2 is a schematic structural diagram of a second head position measuring device capable of acquiring eye shake data according to the present invention;
FIG. 3 is a block diagram of a head position measuring device capable of acquiring eye shake data according to the present invention;
FIG. 4 is a flow chart of a method of using the head position measurement device capable of acquiring eye shock data of the present invention;
wherein: 1. a carrier; 2. an eye movement measuring unit; 3. a head position angle measuring unit; 4. a data transmission unit; 101. a nose pad; 201. a first slide bar; 202. a second slide bar; 203. a first lock nut; 204. a second lock nut; 205. a second infrared camera; 206. a first infrared camera; 207. a second infrared light supplement lamp; 208. a first infrared light supplement lamp; 209. a third lock nut; 210. a fourth lock nut; 211. a first adjusting nut; 212. a second adjusting nut; 213. a first adjusting screw; 214. a second adjusting screw; 301. an IMU sensor; 401. a first Wi-Fi module; 402. a second Wi-Fi module; 403. a battery.
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 obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
The invention aims to provide a head position measuring device capable of collecting eye shake data, which is used for solving the problems in the prior art and realizing the measurement of head position and eye shake.
The invention provides a head position measuring device capable of collecting eye shock data, which comprises a carrier, a head position angle measuring unit, a data transmission unit and an eye movement measuring unit, wherein the carrier is a spectacle-type frame, and a nose support is fixedly arranged at the bottom of the front end of the carrier;
the eye movement measuring unit comprises two sub-measuring units which are respectively arranged on two sides of the carrier, each sub-measuring unit comprises a sliding rod, an adjusting screw rod and an infrared camera, a hollow groove is formed in one end of each sliding rod, the hollow groove is sleeved on a fixing screw on the side portion of the carrier, a locking nut is further arranged on the hollow groove, the sliding rods can be fixedly connected with the carrier through the locking nuts, the locking nut and the adjusting nut which can be tightly attached to two sides of the other end of each sliding rod are in threaded connection with one end of each adjusting screw rod, and the infrared camera is fixedly arranged at the other end of each adjusting screw rod;
the head position angle measuring unit comprises an IMU sensor fixedly arranged on the carrier, the data transmission unit comprises a Wi-Fi module and a battery which are electrically connected, and the infrared camera and the IMU sensor are respectively and electrically connected with the Wi-Fi module.
The head position measuring device capable of collecting the eye shake data can measure the eye shake while measuring the head position.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1 to 4: the embodiment provides a head position measuring device capable of collecting eye shake data, which comprises a carrier 1, a head position angle measuring unit 3, a data transmission unit 4 and an eye movement measuring unit 2; the carrier 1 is a glasses type frame, the bottom of the front end of the carrier 1 is fixedly provided with a nose pad 101, the nose pad 101 is made of silica gel, the nose pad 101 adopts a cavity similar to a cone shape, so that the nose pad can well adapt to the shapes of nose bridges of different people, and the soft material can not cause discomfort to a wearer; the bottom of the front end of the carrier 1 is also provided with two oval gaps corresponding to two eyes of a human body, so that an infrared camera can shoot human eyes conveniently; the carrier 1 is positioned by the temple and the ear, and the nose pad 101 and the bridge of the nose. In this embodiment, the rear ends of the legs of the carrier 1 are provided with slots for fixing the connecting wires, the connecting wires are made of nylon materials, the two ends of the connecting wires can be fixed on the slots of the two legs, and the connecting wires, the legs and the front end of the carrier 1 form a closed curve, so that the device is tightly fixed on the head and always moves along with the head in the process of the head movement of the subject.
The eye movement measuring unit 2 comprises two sub-measuring units which are respectively arranged on two sides of the carrier 1 and are respectively a first sub-measuring unit and a second sub-measuring unit; the first sub-measuring unit comprises a first sliding rod 201, a first adjusting screw rod 213 and a first infrared camera 206, a first empty slot is formed in one end of the first sliding rod 201, the first empty slot is sleeved on a first fixing screw on the side portion of the carrier 1, a first locking nut 203 capable of clamping the first sliding rod 201 with the carrier 1 is in threaded connection with the first fixing screw, the first sliding rod 201 can be fixedly connected with the carrier 1 through the first locking nut 203, a third locking nut 209 and a first adjusting nut 211 capable of tightly attaching to two sides of the other end of the first sliding rod 201 are in threaded connection with one end of the first adjusting screw rod 213, and the first infrared camera 206 is fixedly arranged at the other end of the first adjusting screw rod 213; the second sub-measuring unit comprises a second sliding rod 202, a second adjusting screw 214 and a second infrared camera 205, one end of the second sliding rod 202 is provided with a second empty groove, a third locking nut 209 capable of clamping the second sliding rod 202 with the carrier 1 is in threaded connection with the second fixing screw, the second sliding rod 202 can be fixedly connected with the carrier 1 through the third locking nut 209, one end of the second adjusting screw 214 is in threaded connection with a fourth locking nut 210 and a second adjusting nut 212 capable of tightly attaching to two sides of the other end of the second sliding rod 202, and the second infrared camera 205 is fixedly arranged at the other end of the second adjusting screw 214.
The head position angle measuring unit 3 comprises an IMU sensor 301 fixedly arranged on the carrier 1, the IMU sensor 301 adopted in the embodiment is based on an MEMS (micro electro mechanical systems) process, an x rotating shaft of the IMU sensor 301 is parallel and coplanar to a central vertical line of a forehead surface, a y rotating shaft is parallel and coplanar to a temple central line, and a z rotating shaft coincides with a central shaft of a neck when the head horizontally rotates, and after the IMU sensor 301 is electrified, the posture angle of the IMU sensor can be measured in real time, so that each rotating shaft is parallel or coincides with a rotating shaft of which the head is horizontally, vertically and leftwards and rightwards inclined. In the process of head rotation, the angle of the IMU sensor 301 changes along with the head attitude angle, and the head attitude angle is measured in real time.
The data transmission unit 4 comprises a switch, a battery 403, a first Wi-Fi module 401 and a second Wi-Fi module 402 which are electrically connected, the IMU sensor 301 and the second infrared camera 205 are electrically connected with the first Wi-Fi module 401, and the first infrared camera 206 is electrically connected with the second Wi-Fi module 402.
A plurality of first infrared light supplement lamps 208 are annularly distributed on the periphery of the first infrared camera 206; a plurality of second infrared light supplement lamps 207 are annularly distributed on the periphery of the second infrared camera 205. The top of the front end of the carrier 1 is fixedly connected with a T-shaped panel, and the battery 403, the first Wi-Fi module 401 and the second Wi-Fi module 402 are fixedly arranged on the T-shaped panel respectively.
When the first lock nut 203 is unscrewed, the first sliding rod 201 can be manually adjusted, so that the first sliding rod 201 slides and rotates relative to the first fixing screw. When the third lock nut 209 and the first adjusting nut 211 are loosened so that the third lock nut 209 and the first adjusting nut 211 no longer clamp the first slide rod 201, the first adjusting screw 213 can be manually adjusted so that the first adjusting screw 213 slides and rotates relative to the first slide rod 201.
Similarly, when the second lock nut 204 is unscrewed, the second slide bar 202 can be manually adjusted to slide and rotate the second slide bar 202 relative to the second set screw. When the fourth lock nut 210 and the second adjustment nut 212 are unscrewed so that the fourth lock nut 210 and the second adjustment nut 212 no longer clamp the second slide bar 202, the second adjustment screw 214 can be manually adjusted so that the second adjustment screw 214 slides and rotates relative to the second slide bar 202.
Referring to fig. 4, the present embodiment of the head position measurement device capable of collecting eye-shake data, the patient wears the adjusted device according to the above example, and turns on the power supply of the device to connect the device to the computer, and the flow of the device test is as follows:
(1) under the head-up position (head-up front of the patient), the patient observes 9 calibration points uniformly distributed on the middle plane of the stimulation display screen, the observation position of the patient is positioned in front of the center of the screen, the first infrared camera 206 and the second infrared camera 205 are positioned on the upper side or the lower side of the front of the eyes of the patient so as to avoid blocking the eyes of the patient from observing the stimulation display screen, the first infrared camera 206 and the second infrared camera 205 are opened at the computer end for data acquisition, the eyeball movement track is recorded and is transmitted to the computer for pixel-angle calibration of eyeball movement;
(2) enabling the patient to watch an observation point at the center of the stimulation display screen under the emmetropic head position, recording an nystagmus video under the emmetropic head position through the infrared camera, and transmitting the nystagmus video to the computer end to calculate the nystagmus strength under the emmetropic head position;
(3) the computer end opens the IMU sensor 301, so that the patient can freely search for an observation point for observing the stimulation display screen by the compensatory head;
(4) the computer end records the current angle value rotated by the IMU sensor 301, records the nystagmus video under the compensated head position through the infrared camera, and transmits the nystagmus video to the computer to calculate the nystagmus intensity under the compensated head position.
In the description of the present invention, it should be noted that the terms top, bottom, etc. indicate orientations or positional relationships based on those shown in the drawings, which are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (7)
1. A head position measuring device capable of collecting eye shake data is characterized in that: the device comprises a carrier, a head position angle measuring unit, a data transmission unit and an eye movement measuring unit, wherein the carrier is a spectacle-type frame, and a nose support is fixedly arranged at the bottom of the front end of the carrier;
the eye movement measuring unit comprises two sub-measuring units which are respectively arranged on two sides of the carrier, each sub-measuring unit comprises a sliding rod, an adjusting screw rod and an infrared camera, a hollow groove is formed in one end of each sliding rod, the hollow groove is sleeved on a fixing screw on the side portion of the carrier, a locking nut capable of clamping the sliding rod with the carrier is in threaded connection with the fixing screw, a locking nut and an adjusting nut capable of clinging to two sides of the other end of each sliding rod are in threaded connection with one end of each adjusting screw rod, and the infrared camera is fixedly arranged at the other end of each adjusting screw rod;
the head position angle measuring unit comprises an IMU sensor fixedly arranged on the carrier, the data transmission unit comprises a Wi-Fi module and a battery which are electrically connected, and the infrared camera and the IMU sensor are respectively and electrically connected with the Wi-Fi module.
2. A head position measuring device capable of acquiring eye movement data as claimed in claim 1, wherein: and a plurality of infrared light supplement lamps are annularly distributed on the periphery of each infrared camera.
3. A head position measuring device capable of acquiring eye movement data as claimed in claim 1, wherein: the nose pad is made of silica gel.
4. A head position measuring device capable of acquiring eye movement data as claimed in claim 1, wherein: the top of the carrier is fixedly connected with a T-shaped panel, and the Wi-Fi module and the battery are fixedly arranged on the T-shaped panel respectively.
5. A head position measuring device capable of acquiring eye movement data as claimed in claim 1, wherein: when the locking nut between the sliding rod and the carrier is loosened, the sliding rod can be manually adjusted to slide and rotate relative to the fixing screw.
6. A head position measuring device capable of acquiring eye movement data as claimed in claim 1, wherein: when the locking nut at one end of the adjusting screw rod and the adjusting nut are loosened, the adjusting screw rod can be manually adjusted, so that the adjusting screw rod slides and rotates relative to the sliding rod.
7. A head position measuring device capable of acquiring eye movement data as claimed in claim 1, wherein: the Wi-Fi module comprises a first Wi-Fi module and a second Wi-Fi module, the IMU sensor and one infrared camera are electrically connected with the first Wi-Fi module, and the other infrared camera is electrically connected with the second Wi-Fi module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011456211.8A CN112674716B (en) | 2020-12-11 | 2020-12-11 | Head position measuring device capable of collecting eye vibration data |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011456211.8A CN112674716B (en) | 2020-12-11 | 2020-12-11 | Head position measuring device capable of collecting eye vibration data |
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| Publication Number | Publication Date |
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| CN112674716A true CN112674716A (en) | 2021-04-20 |
| CN112674716B CN112674716B (en) | 2024-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011456211.8A Active CN112674716B (en) | 2020-12-11 | 2020-12-11 | Head position measuring device capable of collecting eye vibration data |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1303611A (en) * | 1971-03-30 | 1973-01-17 | ||
| US4852988A (en) * | 1988-09-12 | 1989-08-01 | Applied Science Laboratories | Visor and camera providing a parallax-free field-of-view image for a head-mounted eye movement measurement system |
| JPH09285468A (en) * | 1996-02-23 | 1997-11-04 | Morita Mfg Co Ltd | Balance function inspection device |
| JP2000325313A (en) * | 1999-05-19 | 2000-11-28 | Nippon Koden Corp | Opthalmographing device and goggle used thereto |
| JP2002515127A (en) * | 1994-08-31 | 2002-05-21 | バーチュアル・アイ／オゥ・インコーポレイテッド | Personal display system |
| CN201664297U (en) * | 2010-04-16 | 2010-12-08 | 李雯霖 | Portable nystagmus compensatory head posture twisting angle measuring instrument |
| WO2017191303A1 (en) * | 2016-05-06 | 2017-11-09 | Aura Innovative Robotics S.L. | Device for synchronized measurement of ocular and cephalic movements |
| US20190200862A1 (en) * | 2013-01-25 | 2019-07-04 | Wesley W.O. Krueger | Ocular-performance-based head impact measurement using a faceguard |
| CN110633014A (en) * | 2019-10-23 | 2019-12-31 | 哈尔滨理工大学 | Head-mounted eye movement tracking device |
| CN111528786A (en) * | 2020-04-24 | 2020-08-14 | 杭州电子科技大学 | System and method for detecting head position of strabismus compensation |
-
2020
- 2020-12-11 CN CN202011456211.8A patent/CN112674716B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1303611A (en) * | 1971-03-30 | 1973-01-17 | ||
| US4852988A (en) * | 1988-09-12 | 1989-08-01 | Applied Science Laboratories | Visor and camera providing a parallax-free field-of-view image for a head-mounted eye movement measurement system |
| JP2002515127A (en) * | 1994-08-31 | 2002-05-21 | バーチュアル・アイ／オゥ・インコーポレイテッド | Personal display system |
| JPH09285468A (en) * | 1996-02-23 | 1997-11-04 | Morita Mfg Co Ltd | Balance function inspection device |
| JP2000325313A (en) * | 1999-05-19 | 2000-11-28 | Nippon Koden Corp | Opthalmographing device and goggle used thereto |
| CN201664297U (en) * | 2010-04-16 | 2010-12-08 | 李雯霖 | Portable nystagmus compensatory head posture twisting angle measuring instrument |
| US20190200862A1 (en) * | 2013-01-25 | 2019-07-04 | Wesley W.O. Krueger | Ocular-performance-based head impact measurement using a faceguard |
| WO2017191303A1 (en) * | 2016-05-06 | 2017-11-09 | Aura Innovative Robotics S.L. | Device for synchronized measurement of ocular and cephalic movements |
| CN110633014A (en) * | 2019-10-23 | 2019-12-31 | 哈尔滨理工大学 | Head-mounted eye movement tracking device |
| CN111528786A (en) * | 2020-04-24 | 2020-08-14 | 杭州电子科技大学 | System and method for detecting head position of strabismus compensation |
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| CN112674716B (en) | 2024-02-27 |
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