WO2005096917A1 - 瞳孔反応確認装置および疲労回復促進装置 - Google Patents
瞳孔反応確認装置および疲労回復促進装置 Download PDFInfo
- Publication number
- WO2005096917A1 WO2005096917A1 PCT/JP2005/004684 JP2005004684W WO2005096917A1 WO 2005096917 A1 WO2005096917 A1 WO 2005096917A1 JP 2005004684 W JP2005004684 W JP 2005004684W WO 2005096917 A1 WO2005096917 A1 WO 2005096917A1
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- WO
- WIPO (PCT)
- Prior art keywords
- subject
- pupil
- stimulus
- pupil reaction
- light
- Prior art date
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Classifications
-
- 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
- A61B3/028—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuity; for determination of refraction, e.g. phoropters
- A61B3/032—Devices for presenting test symbols or characters, e.g. test chart projectors
-
- 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
- A61B3/0008—Apparatus for testing the eyes; Instruments for examining the eyes provided with illuminating means
-
- 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
- A61B3/11—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for measuring interpupillary distance or diameter of pupils
- A61B3/112—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for measuring interpupillary distance or diameter of pupils for measuring diameter of pupils
Definitions
- the present invention relates to a pupil reaction confirmation device and a fatigue recovery promotion device including the same.
- Patent Document 1 JP-A-2002-238853
- Patent Document 1 As a fatigue recovery promoting device, it is difficult to apply the technology of Patent Document 1 to devices such as a fatigue recovery promoting device.
- the present invention has been made to solve the above problems, and has a pupil reaction confirmation device that allows a subject to confirm the pupil reaction by himself while suppressing an increase in cost, and a fatigue recovery promotion device including the same. The purpose is to provide.
- a pupil reaction confirmation device is a device for confirming a pupil reaction, which is on a subject's gaze and crosses the gaze.
- a reflection unit that includes an optical reflection surface arranged in the direction, and forms an image related to the subject's pupil on the optical reflection surface; and a stimulus application unit that applies a stimulus to induce a pupil reaction to the subject. Is a structural feature.
- the stimulus applying section for example, a configuration in which a light source such as an LED is used to apply a light stimulus to the subject's eye can be adopted.
- a pulsed light having a large light quantity in order to observe (confirm) the reaction of the pupil.
- the arrangement of the optical reflecting surface is set to intersect with the line of sight of the subject, but a refracting means such as a mirror is inserted between the subject's eye and the optical reflecting surface. In this case, the line of sight after refraction is the reference.
- the light emission period is set so as to be longer than the length of the period related to mydriasis and miosis in the subject's pupil. It is desirable. That is, it takes at least 0.6-0.7 sec. For the human pupil to constrict due to light stimulation, etc. If the light emission period is set short, it is not possible to observe an accurate trend response. On the other hand, the pulse light emission period is set to a period longer than the length synchronized with the pupil of the pupil and the miosis period. By doing so, the subject can accurately observe his or her pupil reaction.
- the ratio of the light-emission time to the light-emission cycle of the pulsed light that is, the ratio of the light state to the light-dark state is approximately 60% (specifically, 60% 20%) It is desirable to secure it.
- the pupil reaction confirmation device if an illuminating unit that irradiates the subject's eye with light having a smaller amount of light than the pulsed light radiated by the stimulating unit is provided, Even if the stimulus of pulsed light is applied to the pupil in the mydriatic state, even if the subject does not have enough external light to confirm the pupil state, the subject can check the pupil of the subject himself. So desirable.
- the location of the illuminating unit is not particularly limited as long as the light reaches the eyes of the subject, but the sight force is deviated so as not to hinder the subject from checking his or her pupil reaction. It is advisable to place them at different positions.
- a half mirror can be employed as a specific reflecting portion.
- the half mirror is arranged on the line of sight of the subject.
- the fatigue recovery promotion device is configured to include a pupil reaction confirmation unit that allows a subject to confirm his or her pupil reaction, and the pupil reaction confirmation unit has the same configuration as the pupil reaction confirmation device.
- the pupil reaction confirmation unit has the same configuration as the pupil reaction confirmation device.
- the reflecting section is configured by a half mirror and the stimulus applying section is a light source capable of irradiating pulse light
- the eye of the subject and the reflecting section are connected on the subject's line of sight.
- An image display unit may be provided on the extension, and an eyepiece may be provided at a position close to the eyeball of the subject.
- the optical distance between the eyepiece and the reflection unit is set to be approximately 50% (specifically, 50% 20%) with respect to the optical distance between the eyepiece and the image display unit. Desirable.
- the fatigue recovery promotion device from the viewpoint of using the fogging method, it is desirable to provide at least an image display unit and an eyepiece for each of the left and right eyes of the subject. Yes.
- the optical reflection surface of the reflector is arranged in a direction intersecting (substantially perpendicular to) the line of sight of the subject, and induces a pupil reaction for the subject.
- the subject can visually recognize an image related to his / her pupil when receiving the stimulus from the stimulus applying unit in real time.
- the subject himself can easily confirm the pupil reaction without using a CMOS sensor or the like as in Patent Document 1 described above, so that the subject has an advantage in terms of cost, and It is possible to check the pupil reaction in real time.
- Such a pupil reaction confirmation device is preferably a force that can be combined with various devices, particularly if it is applied to the above-mentioned fatigue recovery promotion device. That is, by combining the above-mentioned pupil reaction confirmation device with the device for promoting recovery from fatigue, the subject can use the device for recovery from fatigue to release the tension state of the ciliary muscle, and after a certain period of time, By switching the optical system to a system for confirming the pupil reaction, the subject himself / herself can visually recognize the pupil reaction. Then, after confirming the state relating to the pupil reaction, the subject can again reduce the tension of the ciliary muscle. Since the subject can relieve fatigue while confirming his own pupil reaction, he / she can realize the effect and effect, and can achieve a habit of using the apparatus.
- a device other than the fatigue recovery promotion device for example, a device for examining brain function using a pupil reaction, a binocular vision inspection device, and the like. It can also be applied.
- FIG. 1 is an external perspective view of a fatigue recovery promoting device 1 according to an embodiment of the present invention.
- FIG. 2 is a cross-sectional view showing a main part of the fatigue recovery promotion device 1.
- FIG. 3 is a schematic view showing a configuration for confirming a pupil reaction included in the fatigue recovery promotion device 1.
- FIG. 4 is a conceptual diagram showing a pupil reaction exhibited by a subject in the fatigue recovery promotion device 1. Explanation of reference numerals [0016] 1. Fatigue recovery promotion device
- FIG. 1 is an external perspective view of a fatigue recovery promotion device 1 according to the present embodiment.
- the fatigue recovery promoting device 1 includes a main body 10 and an optotype chart 20 inserted into the main body 10 and used.
- the main body 10 includes a housing 100 having a substantially rectangular parallelepiped shape (a shape in which concavities and convexities are formed on the rectangular parallelepiped), and finder portions 101L and 101R provided in an area above the front surface thereof. I have.
- a power switch 103 and a switching switch 104 for switching the driving time are provided in a lower region in front of the housing 100.On the side of the housing 100, a subject or the like moves the optotype chart 20 up and down.
- a dial 102 is provided for performing the operation.
- the switch 10 4 also has a function as a drive start switch that actually starts driving the device 1. That is, for example, in order to drive the apparatus 1 by setting the driving time of 5 min., The user turns on the power switch 103 and then presses the switching switch 104 of the setting time of 5 min. I can do it.
- an LED light source 111 as illumination for illuminating the subject's eye is provided slightly above each of the finder portions 101L and 101R in the fatigue recovery promotion device 1.
- FIG. 2 is a view showing a partial cross section of the fatigue recovery promoting device 1 shown in FIG.
- FIG. 2 shows only a portion corresponding to the right eye of the subject
- the fatigue recovery promotion device 1 according to the present embodiment has the same configuration as that for the right eye shown in FIG.
- the optical system for the left eye is provided in parallel with the optical system for the right eye (so as to keep the gaze lines of both eyes parallel).
- the viewfinder 101R is immediately above the line of sight of the subject in the case 100 of the main body 10 as described above, and the inner case 106 surrounds the line of sight. It is set up.
- the inner housing 106 includes an eyepiece 107 disposed at a position close to the finder portion 101R in the inside thereof, and a mirror mirror 108 disposed at a slight distance from the eyepiece 107. .
- an LED light source 110 is provided at a position facing the finder section 101R in the inner housing 106.
- an infinity optical system is used as the eyepiece 107. Since the image film section 20a of the index chart 20 is located on the focal point of the eyepiece 107, parallel light enters the subject's eye.
- the LED light source 111 for illumination is provided slightly above the finder 101R.
- the LED light source 111 enables the subject to illuminate the subject's eyes when the subject uses the fatigue recovery promotion device 1 and the surrounding environment is too dark to observe the subject's eyes. It is for.
- the LED light source 111 for illumination is arranged at a position deviating from the line of sight of the subject, and its brightness is set to be considerably lower than that of the LED light sources 109a and 109b described later.
- the optotype chart 20 is located between the half mirror 108 and the LED light source 110, and It is inserted so as to be able to move up and down in the direction that intersects the direction of the line (the horizontal direction in FIG. 2).
- a plurality of pairs of image film portions 20a are formed for the left and right eyes.
- the optotype chart 20 is pinched by a receiving lever 105 that moves up and down in conjunction with a dial 102 provided on the side surface of the housing 100, and the subject rotates the dial 102 by himself / herself. It is configured so that the subject can select the image film 2 Oa!
- the LED light source 110 irradiates the subject with the image film portion 20a in the optotype chart 20 from the back side of the subject, and blinks at a constant cycle.
- a light diffuser 112 is provided between the LED light source 110 and the image film 20a. This is for scattering the light emitted from the LED light source 110.
- LED light sources 109a and 109b are provided between the eyepiece 107 and the half mirror 108 inside the inner casing 106, and at a position not obstructing the line of sight when the subject observes the image film 20a of the optotype chart 20.
- the two LED light sources 109a and 109b irradiate the subject's eye with pulsed light at regular intervals when the LED light source 110 is temporarily turned off. It is larger than the light emitted from the LED light source 111 provided for use.
- the LED light source 110 when the LED light source 110 is temporarily turned off, the LED light source 111 illuminates the subject's eye with a low light amount, and the power of the LED light sources 109a and 109b is also large in a pulse shape with a constant period. A quantity of light is applied to the eye of the subject.
- the blinking cycle of the LED light sources 109a and 109b be synchronized with the mydriatic and miotic periods of the subject.
- the period may be longer than the mydriatic period.
- the blink cycle of the LED light sources 109a and 109b can be set to, for example, about 20 pulseZ min.
- the pulse width of the pulse light from the LED light sources 109a and 109b is desirably about 60% of one cycle (for example, within a range of 60% to 20%).
- the time during which light is emitted from the LED light sources 109a and 109b is set in a 3: 2 relationship with the time during which no light is emitted. This is the length of time that a human is in the "bright" state and the By setting the ratio to about 3: 2, it is possible to recognize that the lengths of “light and dark” are in the same distribution psychologically.
- Fatigue recovery accelerating device 1 has the above configuration.
- the configuration has the features of the present invention described in the section of the means for solving the problems, the specification is not limited to this and can be appropriately changed.
- FIG. 3 schematically shows a portion of the functions of the fatigue recovery promotion device 1 which is characteristic in the present embodiment
- FIG. 4 shows a test subject when the fatigue recovery promotion device 1 is used.
- FIG. 6 is a schematic diagram showing a state change occurring in the pupil and eyeball of the present invention.
- an eyepiece 107, a half mirror 108, an image film 20 a in the optotype chart 20, and an LED light source 110 are arranged on the subject's line of sight in sequence.
- LED light sources 109a and 109b are disposed in the vicinity of the half mirror 108 for stimulating the eyes vertically.
- a light diffusing plate 112 is arranged between the LED light source 110 and the image film 20a.
- the eyepiece 107 is close as described above, and the image film 20a of the optotype chart 20 is at the distance L1, whereas the half mirror is 108 is set to distance L2.
- the relationship between the distance L1 and the distance L2 is such that the distance L2 is set to approximately 50% (for example, within the range of 50% to 20%) with respect to the distance L1.
- the position of the half mirror 108 is set so that the distance L2 is approximately 50% of the distance L1 because the subject turns the eyepiece 107 twice when observing his own eyeball. This is because they will be observed through.
- a virtual image of the subject's eyeball is formed on the image film 20a of the index chart 20, and the subject turns off the LED light sources 109a and 109b after the LED light source 110 is turned off.
- the state of the pupil reflected on the half mirror 108 can be visually recognized. Therefore, in the present apparatus 1, the subject looks at the image film 20a in order to promote the recovery from fatigue, and uses the same apparatus to display the state of his own pupil, that is, his own pupil. It is possible to confirm whether the hole is in a miotic state or a mydriatic state.
- the LED light source 111 for illumination is disposed between the subject's eye and the eyepiece and at a position outside the line of sight.
- the subject observes the image film 20a in which the LED light source 110 repeats blinking at a constant cycle.
- the observer observes the image film 20a in this manner the light from the LED light source 110 through the image film 20a is incident on the subject's eyes as parallel light.
- the subject can release the tension of the ciliary muscle while staring at an image at infinity.
- the blinking operation of the LED light source 110 is repeated for a certain period of time, the LED light source 110 is turned off. After that, the blinking operation of the LED light sources 109a and 109b is started instead.
- the light from the LED light source 110 is incident on the subject's eye as parallel light.
- the light need not necessarily be incident as parallel light.
- a configuration in which light is made to enter as diffused (scattered) light or a configuration in which light is made to enter as condensed light is preferred.
- the subject's pupil 500 It becomes mydriatic and has a diameter dl.
- the ciliary muscle 502 surrounding the lens 504 is in a relaxed state, and accordingly, the iris 501 is in a stretched state. As a result, the pupil becomes large.
- the LED light sources 109a and 109b are turned on, a strong light stimulus is applied to the eyes of the subject.
- the pupil 500 of the subject who has received the light stimulus is in a miotic state as shown in FIGS. 4B and 4D, and has a diameter d2 smaller than the diameter dl.
- the ciliary muscle 502 is in a tense state.
- the LED light sources 109a and 109b blink at regular intervals (for example, 20 pulses / min.), And the fatigue recovery is promoted by observing the image film 20a.
- the effect of the fatigue recovery promoting device 1 can be realized by causing the subject to repeat the pupil state between the miotic state and the mydriatic state, and visually confirming this by himself / herself. Then, since the subject can visually recognize both states of miosis and mydriasis in this way, the subject can actively use the device 1 for a long period of time.
- the LED light sources 109a and 109b are not lit, the LED light source 111 is always lit for illumination, so that the subject can also check his / her own mydriatic state.
- the amount of light emitted from the LED light source 111 is set lower than the amount of light emitted from the LED light sources 109a and 109b for stimulating the eyes of the subject.
- the LED light source 111 may not be provided when indoor light is sufficient, and may be turned on / off by sensing the brightness in the room.
- the fatigue recovery promoting device 1 is an example used to explain the structural features of the present invention and the operational effects achieved thereby, and the present invention is not limited thereto. Absent.
- the fatigue recovery promoting device 1 emits pulsed light as means for applying stimulation to the eyes to change the pupil state from the mydriatic state to the miotic state.
- LED light sources 109a and 109b The eye may be stimulated not only by the LED light source but also by light from a light source such as a light bulb or a strobe, or by means of applying stimulus other than light (e.g., sound ) May be provided.
- a light source such as a light bulb or a strobe
- stimulus other than light e.g., sound
- the optotype chart 20 is arranged on the subject's line of sight.
- a different optotype chart is arranged above the apparatus, for example.
- the reason why the index chart is also arranged above is that when the subject observes the front image film 20a, the parallel light is incident on the subject's eyes, while the subject displays the image of the upper index chart.
- lm adjustment rest position: empty field. That's why. That is, by causing the subject to alternately observe the front index chart 20 and the upper index chart in this way, relaxation of ciliary muscle tension in the subject can be further promoted.
- the force by which the subject has a fixed half mirror 108 for checking his / her pupil state is not necessarily required.
- the half mirror 108 may be movable so that the force on the line of sight of the subject can also be retracted, and the structure may be such that the force on the line of sight can also be retracted based on the intention of the subject.
- a means other than the half mirror 108 may be employed.
- a configuration may be adopted in which a pupil of a subject is observed with an image sensor or the like, and a monitor that displays information about the pupil is provided near the optotype chart 20.
- the force half mirror 108 and the LED light sources 109a and 109b are used to visualize the characteristics of the present invention using the fatigue recovery promoting device 1 for promoting recovery from eye strain and the like. Even if it is provided in an inspection device or the like, it is possible to exert an advantage that the subject can confirm his / her own pupil state as described above. In addition, the present invention can be applied to a device for preventing and recovering progressive myopia.
- the LED light sources 109a and 109b for applying a light stimulus to the subject's eye and the LED light source 111 for illumination are provided separately.
- a configuration is adopted in which one of the two functions is provided, for example, the LED light source 111.
- the LED light sources 109a and 109b, the LED light source 111, and the half mirror 108 are optical systems configured so that the subject can observe his / her own pupil state, and include the index chart 20, the LED light source 110, and the like. It is configured as another optical system.
- the present invention is useful for realizing a device for recovering eyestrain and technostress from VDT work using a personal computer or the like, and a device for preventing and recovering progressive myopia. It is effective.
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Abstract
Description
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Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/593,881 US7503654B2 (en) | 2004-03-30 | 2005-03-16 | Pupil reaction ascertaining device and fatigue recovery promoting device |
EP05720932A EP1731085A1 (en) | 2004-03-30 | 2005-03-16 | Pupil reaction ascertaining device and fatigue recovery promoting device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004100427A JP3971405B2 (ja) | 2004-03-30 | 2004-03-30 | 瞳孔反応確認装置および疲労回復促進装置 |
JP2004-100427 | 2004-03-30 |
Publications (1)
Publication Number | Publication Date |
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WO2005096917A1 true WO2005096917A1 (ja) | 2005-10-20 |
Family
ID=35124780
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2005/004684 WO2005096917A1 (ja) | 2004-03-30 | 2005-03-16 | 瞳孔反応確認装置および疲労回復促進装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7503654B2 (ja) |
EP (1) | EP1731085A1 (ja) |
JP (1) | JP3971405B2 (ja) |
TW (1) | TW200534822A (ja) |
WO (1) | WO2005096917A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008149616A1 (ja) * | 2007-06-05 | 2008-12-11 | National Institute Of Advanced Industrial Science And Technology | 精神的疲労の検出方法及び装置 |
JP5608859B1 (ja) * | 2011-07-11 | 2014-10-15 | ナイキ イノベイト シーブイ | 調整可能なフリッカーレートによるトレーニング及び検査 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007215691A (ja) * | 2006-02-15 | 2007-08-30 | Woc:Kk | 眼精疲労回復促進装置 |
US7731364B2 (en) * | 2008-03-11 | 2010-06-08 | Gholam A. Peyman | Ocular centration of visual axis and evaluation of retinal function |
JP2012000403A (ja) * | 2010-06-14 | 2012-01-05 | Woc:Kk | 網膜刺激装置 |
FR2999068B1 (fr) * | 2012-12-06 | 2014-12-12 | Jlm Medical | Dispositif de test des performances visuelles d'un individu dans des conditions d'eblouissement |
CN103211605B (zh) * | 2013-05-14 | 2015-02-18 | 重庆大学 | 一种心理测试系统及心理测试方法 |
US11061233B2 (en) | 2015-06-30 | 2021-07-13 | 3M Innovative Properties Company | Polarizing beam splitter and illuminator including same |
EP3340856A4 (en) * | 2015-08-24 | 2019-05-22 | The Board of Trustees of the University of Illionis | PIXELIZED FIELD MULTIPROTOCOL STIMULUS SOURCE APPARATUS, METHOD AND SYSTEM FOR PROBE OF VISUAL PATH FUNCTION |
CN109350005B (zh) * | 2018-10-23 | 2023-11-24 | 中国科学院苏州生物医学工程技术研究所 | 用于双目疲劳度测量装置的光学系统 |
CN115272645A (zh) * | 2022-09-29 | 2022-11-01 | 北京鹰瞳科技发展股份有限公司 | 多模态数据采集设备及训练中枢疲劳检测模型的方法 |
US20240108213A1 (en) | 2022-09-29 | 2024-04-04 | Topcon Corporation | Ophthalmologic apparatus |
Citations (1)
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JP2002238853A (ja) * | 2001-02-20 | 2002-08-27 | Matsushita Electric Works Ltd | 瞳孔計 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
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EP1127534A3 (en) * | 2000-02-24 | 2002-05-29 | Matsushita Electric Works, Ltd. | Non-invasive brain function examination |
ATE502564T1 (de) * | 2002-08-16 | 2011-04-15 | Konan Medical Usa Inc | Verfahren und system für den nachweis von augendysfunktionen |
-
2004
- 2004-03-30 JP JP2004100427A patent/JP3971405B2/ja not_active Expired - Fee Related
-
2005
- 2005-03-16 EP EP05720932A patent/EP1731085A1/en not_active Withdrawn
- 2005-03-16 WO PCT/JP2005/004684 patent/WO2005096917A1/ja active Application Filing
- 2005-03-16 US US10/593,881 patent/US7503654B2/en not_active Expired - Fee Related
- 2005-03-24 TW TW094109103A patent/TW200534822A/zh unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002238853A (ja) * | 2001-02-20 | 2002-08-27 | Matsushita Electric Works Ltd | 瞳孔計 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008149616A1 (ja) * | 2007-06-05 | 2008-12-11 | National Institute Of Advanced Industrial Science And Technology | 精神的疲労の検出方法及び装置 |
JP2008301841A (ja) * | 2007-06-05 | 2008-12-18 | National Institute Of Advanced Industrial & Technology | 精神的疲労の検出方法、装置及びプログラム |
US7891814B2 (en) | 2007-06-05 | 2011-02-22 | National Institute Of Advanced Industrial Science And Technology | Mental fatigue detecting method and device |
JP5608859B1 (ja) * | 2011-07-11 | 2014-10-15 | ナイキ イノベイト シーブイ | 調整可能なフリッカーレートによるトレーニング及び検査 |
JP2014528737A (ja) * | 2011-07-11 | 2014-10-30 | ナイキ イノベイト シーブイ | 調整可能なフリッカーレートによるトレーニング及び検査 |
Also Published As
Publication number | Publication date |
---|---|
TW200534822A (en) | 2005-11-01 |
EP1731085A1 (en) | 2006-12-13 |
JP2005279053A (ja) | 2005-10-13 |
US20070242223A1 (en) | 2007-10-18 |
US7503654B2 (en) | 2009-03-17 |
JP3971405B2 (ja) | 2007-09-05 |
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