JP4475074B2 - Eye movement goggles - Google Patents

Eye movement goggles Download PDF

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Publication number
JP4475074B2
JP4475074B2 JP2004276050A JP2004276050A JP4475074B2 JP 4475074 B2 JP4475074 B2 JP 4475074B2 JP 2004276050 A JP2004276050 A JP 2004276050A JP 2004276050 A JP2004276050 A JP 2004276050A JP 4475074 B2 JP4475074 B2 JP 4475074B2
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Prior art keywords
goggles
eye movement
subject
transparent cover
eye
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JP2006087635A (en
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章人 澤井
秀雄 福永
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Panasonic Corp
Panasonic Electric Works Co Ltd
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Panasonic Corp
Matsushita Electric Works Ltd
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Description

本発明は、眼球運動検査用ゴーグルに関するものであり、詳しくは、耳鼻咽喉科や神経内科等の医療機関等で使用される眼球運動検査用ゴーグルに関するものである。   The present invention relates to eye movement test goggles, and more particularly to eye movement test goggles used in medical institutions such as otolaryngology and neurology.

従来より、眼球運動の検査を行うことによって、平衡感覚に異常をきたす要因の調査や、視覚機能の検査ができることが知られている。   Conventionally, it is known that by examining eye movements, it is possible to investigate factors that cause abnormal balance sensations and to examine visual functions.

このような眼球運動の検査においては、図5に示すように、ハーフミラー31と撮像素子が内蔵され、前方に開口した観察口32を有する眼球運動検査用ゴーグル30が用いられている。被検者はこのハーフミラー31を通して眼前の光景を見るとともに、ハーフミラー31に反射した被検者の眼球を撮像素子により撮影するようになっている(例えば、特許文献1)。
特開平11−332830号公報
In such an eye movement test, as shown in FIG. 5, an eye movement test goggles 30 including a half mirror 31 and an imaging device and having an observation port 32 opened forward is used. The subject sees the scene in front of the eye through the half mirror 31, and takes an image of the eyeball of the subject reflected on the half mirror 31 with an imaging device (for example, Patent Document 1).
JP-A-11-332830

しかしながら、従来の眼球運動検査用ゴーグル30においては、ハーフミラー31や撮像素子等の光学系部品が露出した状態となっているため、容易に手が触れて汚れやすく、また、耐塵埃性も低く、損傷しやすいという問題があった。   However, in the conventional eye movement test goggles 30, since the optical system parts such as the half mirror 31 and the image pickup device are exposed, they are easily touched and dirty, and the dust resistance is low. There was a problem of being easily damaged.

本発明は、かかる事由に鑑みてなしたもので、その目的とするところは、防汚性、耐塵埃性、耐損傷性に優れた眼球運動検査用ゴーグルを提供することにある。   The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an eye movement test goggles excellent in antifouling property, dust resistance and damage resistance.

上記課題を解決するために、本発明では、第1に、被検者の顔面に装着され、ハーフミラーと、このハーフミラーに反射した被検者の眼球を撮影する撮像素子とを内蔵してなる眼球運動検査用ゴーグルにおいて、該眼球運動検査用ゴーグルの前方には観察口が設けられるとともに、この観察口を覆うように透明カバーが備えられてなるようにする。   In order to solve the above-mentioned problems, the present invention firstly includes a half mirror mounted on the subject's face and an imaging device for photographing the eyeball of the subject reflected on the half mirror. In the eye movement inspection goggles, an observation opening is provided in front of the eye movement inspection goggles, and a transparent cover is provided to cover the observation opening.

第2には、前記透明カバーの最小曲率が、R24以上であることを特徴とする。   Secondly, the minimum curvature of the transparent cover is R24 or more.

第3には、前記透明カバーの最小曲率となる箇所が、被検者が視線を正面に向けたときの方向から、30度以上外側に設けられてなることを特徴とする。   3rdly, the location used as the minimum curvature of the said transparent cover is provided in the outer side 30 degrees or more from the direction when a subject turns a line of sight to the front.

上記本発明の眼球運動検査用ゴーグルにおいては、ハーフミラーや撮像素子等の光学系部品に容易に手が触れるのを防止でき、防汚性、耐塵埃性、耐損傷性に優れ、さらに透明カバーの最小曲率が小さくなり過ぎることがなく、被検者が眼前の光景を見る際に歪が生じるのを防止でき、さらに最小曲率となる箇所を被検者の視線の外側することができるために、被検者が眼前の光景を見る際に歪が生じるのをさらに防ぐことができるIn the eye movement test goggles of the present invention, it is possible to prevent the hand from touching the optical system parts such as the half mirror and the image pickup device, and it is excellent in antifouling property, dust resistance, damage resistance , and transparent cover. The minimum curvature of the subject can be prevented from becoming too small, the subject can be prevented from distorting when looking at the scene in front of the eye, and the point where the minimum curvature can be further outside the subject's line of sight Further, it is possible to further prevent distortion from occurring when the subject looks at the scene in front of the eyes .

本発明の実施形態における眼球運動検査用ゴーグル1は、図1に示すように、ゴーグル本体2と取付用ベルト3を備えている。ゴーグル本体2は、被検者の眼部周辺を覆うように装着され、取付用ベルト3により被検者の顔面に固定されるようになっている。   As shown in FIG. 1, the eye movement test goggles 1 according to the embodiment of the present invention include a goggle main body 2 and a mounting belt 3. The goggle body 2 is attached so as to cover the periphery of the eye of the subject, and is fixed to the face of the subject by the attachment belt 3.

ゴーグル本体2の前面側には、観察口9が設けられており、観察口9を覆うようにして透明カバー6が着脱自在に取り付けられている。また、この透明カバー6のさらに前方には、遮蔽カバー7が着脱自在に取り付けられるようになっている。   An observation port 9 is provided on the front side of the goggle body 2, and a transparent cover 6 is detachably attached so as to cover the observation port 9. Further, a shielding cover 7 is detachably attached to the front side of the transparent cover 6.

また、ゴーグル本体2の上部にはゴーグルケーブル8が備えられており、外部機器(図示せず)と接続されてデータの送受信を行うことができるようになっている。   Further, a goggle cable 8 is provided on the upper part of the goggle main body 2 and is connected to an external device (not shown) so that data can be transmitted and received.

ゴーグル本体2の内部には、図2に示すように、ハーフミラー4と撮像素子5が備えられている。ここで、図示はしないが、ゴーグル本体2内部において撮像素子5はゴーグルケーブル8と接続されている。   As shown in FIG. 2, a half mirror 4 and an image sensor 5 are provided inside the goggle body 2. Here, although not shown, the image sensor 5 is connected to the goggle cable 8 in the goggle body 2.

ハーフミラー4は、下側にいくほど被検者の眼球Gから離れていくように、垂直方向から45度傾斜した状態で設置されている。   The half mirror 4 is installed in a state inclined by 45 degrees from the vertical direction so as to move away from the eyeball G of the subject as it goes downward.

次に、透明カバー6について説明する。図3に示すように、本実施形態における透明カバー6は、中央部は平面状で、両側部は曲面となるように形成されている。ここで、曲面の最小曲率はR24となっており、しかも、この最小曲率となる箇所が、被検者が視線を正面に向けたときの方向から、30度以上外側になるように設けられている。   Next, the transparent cover 6 will be described. As shown in FIG. 3, the transparent cover 6 in the present embodiment is formed so that the central portion is planar and the both side portions are curved. Here, the minimum curvature of the curved surface is R24, and the portion having the minimum curvature is provided so as to be outside by 30 degrees or more from the direction when the subject turns his / her line of sight to the front. Yes.

また、本実施形態においては、透明カバー6の材質としてポリカーボネート(PC)を用いている。ここで、透明カバー6の材質としては、透明なものであれば特に限定されるものではなく、その他にも、アクリル樹脂、スチレン樹脂、ポリカルボジイミド等を用いてもよい。   In the present embodiment, polycarbonate (PC) is used as the material of the transparent cover 6. Here, the material of the transparent cover 6 is not particularly limited as long as it is transparent. In addition, acrylic resin, styrene resin, polycarbodiimide, or the like may be used.

このような眼球運動検査用ゴーグル1を被検者の顔面に装着し、被検者がハーフミラー4及び透明カバー6を通して眼前の光景を見ている状態で、ハーフミラー4に反射した被検者の眼球Gを撮像素子5により撮影することにより、めまい検査を行うことができる。   The subject reflected on the half mirror 4 while wearing the eye movement test goggles 1 on the subject's face and viewing the scene in front of the eye through the half mirror 4 and the transparent cover 6. A vertigo test can be performed by photographing the eyeball G of the subject with the image sensor 5.

以上のように、本実施形態における眼球運動検査用ゴーグル1は、ハーフミラー4の外側に透明カバー6が備えられているので、ハーフミラー4や撮像素子5等の光学系部品に容易に手が触れるのを防止でき、防汚性に優れるとともに、耐塵埃性や耐損傷性にも優れるものである。   As described above, the eye movement test goggles 1 according to the present embodiment includes the transparent cover 6 on the outside of the half mirror 4, so that the optical system components such as the half mirror 4 and the image sensor 5 can be easily handled. It can be prevented from touching, has excellent antifouling properties, and has excellent dust resistance and damage resistance.

また、透明カバー6の材質として、ポリカーボネート(PC)を用いることができ、透明カバー6の透明性が優れているので、被検者が良好に眼前の光景を見ることができ、眼球反応をより良好に観察することができる。   In addition, polycarbonate (PC) can be used as the material of the transparent cover 6, and the transparency of the transparent cover 6 is excellent, so that the subject can see the scene in front of the eye and the eyeball reaction is further improved. It can be observed well.

また、眼球運動検査用ゴーグル1を用いて眼球検査を行う際、撮像素子5により被検者の眼球Gを撮影するのに加えて、医師等が被検者の眼球Gを良好に観察することができる。   In addition, when performing eye examination using the eye movement test goggles 1, in addition to photographing the eyeball G of the subject with the imaging device 5, a doctor or the like should observe the eyeball G of the subject well. Can do.

また、透明カバー6の最小曲率を、R24以上としているので、被検者が眼前の光景を見る際に歪が生じるのを防ぐことができる。   Moreover, since the minimum curvature of the transparent cover 6 is set to R24 or more, it is possible to prevent distortion when the subject looks at the scene in front of the eyes.

また、透明カバー6の最小曲率となる箇所を、被検者が視線を正面に向けたときの方向から、30度以上外側になるように設けているので、被検者が眼前の光景を見る際に歪が生じるのをさらに防ぐことができる。   In addition, since the portion having the minimum curvature of the transparent cover 6 is provided so as to be more than 30 degrees outward from the direction when the subject turns his / her line of sight toward the front, the subject sees the scene in front of him Further distortion can be prevented.

なお、透明カバー6の形状については、上記のもの以外にも、図4(a)に示すような平面状のものや、図4(b)に示すような前面側が平面状で両側部にも平面部が形成されたもの、図4(c)に示すような前面側の中央付近に曲面部を有するもの、あるいは、図4(d)に示すような最小曲率がR24以上の曲面を有するもの等が挙げられる。   In addition to the above, the shape of the transparent cover 6 is a flat one as shown in FIG. 4A, or the front side as shown in FIG. One having a flat surface, one having a curved surface near the center of the front side as shown in FIG. 4 (c), or one having a curved surface with a minimum curvature of R24 or more as shown in FIG. 4 (d) Etc.

また、最小曲率がR24以上であれば、透明カバー6の上下方向においても曲面を有するように透明カバー6を形成してもよい。   Further, if the minimum curvature is R24 or more, the transparent cover 6 may be formed so as to have a curved surface in the vertical direction of the transparent cover 6.

また、本実施形態における眼球運動検査用ゴーグル1は、透明カバー6のさらに外側に遮蔽カバー7を取り付けるとともに、ゴーグル本体2内部に凹面レンズ(図示せず)と、この凹面レンズに映像を映し出す映像出力機器(図示せず)等を取り付けることにより、刺激映像提示機能付ビデオ眼振計としても使用することができる。   Further, the eye movement test goggles 1 in this embodiment are provided with a shielding cover 7 on the outer side of the transparent cover 6, a concave lens (not shown) inside the goggles main body 2, and an image that projects an image on the concave lens. By attaching an output device (not shown) or the like, it can also be used as a video nysmograph with a stimulus image presentation function.

また、本発明における眼球運動検査用ゴーグル1は、例えば、フレンツェル眼鏡にも適用することができる。   Moreover, the eye movement test goggles 1 according to the present invention can be applied to, for example, Frenzel glasses.

本発明の実施形態における眼球運動検査用ゴーグル1の斜視図である。It is a perspective view of goggles 1 for eye movement examination in an embodiment of the present invention. 同実施形態におけるゴーグル本体2を側方からみた透視図である。It is the perspective view which looked at the goggles main body 2 in the embodiment from the side. 同実施形態におけるゴーグル本体2を上方からみた透視図である。It is the perspective view which looked at the goggles main body 2 in the same embodiment from the top. (a)〜(d)本発明の異なる実施形態におけるゴーグル本体2を上方からみた透視図である。(A)-(d) It is the perspective view which looked at the goggles main body 2 in different embodiment of this invention from upper direction. 従来の眼球運動検査用ゴーグル30の斜視図である。It is a perspective view of the conventional goggles 30 for eye movement inspection.

符号の説明Explanation of symbols

1 眼球運動検査用ゴーグル
2 ゴーグル本体
3 取付用ベルト
4 ハーフミラー
5 撮像素子
6 透明カバー
DESCRIPTION OF SYMBOLS 1 Eye movement test goggles 2 Goggles main body 3 Mounting belt 4 Half mirror 5 Image sensor 6 Transparent cover

Claims (1)

被検者の顔面に装着され、ハーフミラーとハーフミラーに反射した被検者の眼球を撮影する撮像素子とを内蔵してなる眼球運動検査用ゴーグルにおいて、該眼球運動検査用ゴーグルの前方には観察口が設けられてなるとともにこの観察口を覆うように透明カバーが備えられ、該透明カバーの最小曲率が、R24以上であるとともに最小曲率となる箇所が、被検者が視線を正面に向けたときの方向から30度以上外側に設けられてなることを特徴とする眼球運動検査用ゴーグル。 An eye movement test goggle that is mounted on the face of the subject and includes a half mirror and an image sensor that captures the eye of the subject reflected by the half mirror, and in front of the eye movement test goggles An observation port is provided and a transparent cover is provided to cover the observation port. When the minimum curvature of the transparent cover is R24 or more and the minimum curvature is present, the examinee directs the line of sight to the front. An eye movement test goggle characterized by being provided outside by 30 degrees or more from the direction of the eye.
JP2004276050A 2004-09-22 2004-09-22 Eye movement goggles Expired - Fee Related JP4475074B2 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021015491A1 (en) * 2019-07-22 2021-01-28 가톨릭대학교 산학협력단 Ophthalmoscope provided with reflector

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4674229B2 (en) * 2007-10-26 2011-04-20 尚治 北島 Acoustic pupillary reaction test system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021015491A1 (en) * 2019-07-22 2021-01-28 가톨릭대학교 산학협력단 Ophthalmoscope provided with reflector

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