JPS62159635A - Sight function examination apparatus - Google Patents
Sight function examination apparatusInfo
- Publication number
- JPS62159635A JPS62159635A JP60299191A JP29919185A JPS62159635A JP S62159635 A JPS62159635 A JP S62159635A JP 60299191 A JP60299191 A JP 60299191A JP 29919185 A JP29919185 A JP 29919185A JP S62159635 A JPS62159635 A JP S62159635A
- Authority
- JP
- Japan
- Prior art keywords
- mirror
- visual
- reflecting
- crt
- subject
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Eye Examination Apparatus (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、視力表装置と反射装置を備える自覚式の視機
能検査装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a subjective visual function testing device that includes an eye chart device and a reflection device.
（従来技術）
従来の自ユを式で視力や立体視、斜位等の視機能を検査
するための視機能検査装置は、被検者前方３ｍ〜５ｍに
視力表を設けて検眼するように構成されている。(Prior art) Conventional visual function testing equipment for testing visual functions such as visual acuity, stereopsis, and striae using a self-scanning method uses an eye tester with an eye chart placed 3 m to 5 m in front of the subject. It is configured.
（発明が解決しようとする問題点）
この様な自覚式視機能検査装置を用いて検眼を行なう場
合には、眼の調節力の影響が出ないように被検者の視線
距離を長くする必要がある。(Problem to be solved by the invention) When performing eye examination using such a subjective visual function testing device, it is necessary to increase the line of sight distance of the examinee so as not to affect the accommodative power of the eyes. There is.
このため従来の自覚式視機能検査装置を用いる場合には
検眼のための場所を広くする必要があるが、床面積の狭
い眼鏡店や眼科医院では検眼のために広い場所を確保す
るというのは大変であった。For this reason, when using a conventional subjective visual function testing device, it is necessary to provide a large space for optometry, but in optical shops and ophthalmology clinics with small floor space, it is difficult to secure a large space for optometry. It was difficult.
本発明は簡易な構成で狭い場所で検眼することの可能な
視機能検査装置を提供することを目的としている。SUMMARY OF THE INVENTION An object of the present invention is to provide a visual function testing device that has a simple configuration and is capable of performing eye examination in a narrow space.
（問題点を解決するための手段）
上記目的を解決するために、視力表装置を内蔵したテー
ブルと、該テーブルの内部に前記視力表装置からの光束
を反射する第１反射装置と、前記テーブルの上部に配置
された前記第１反射装置からの光束を被検者眼に向けて
反射する第２反射装置とからなる視機能検査装置とした
ことを特徴とするものである。(Means for Solving the Problems) In order to solve the above object, there is provided a table having a built-in visual acuity chart device, a first reflecting device that reflects a luminous flux from the visual acuity chart device inside the table, and a first reflecting device that reflects a light beam from the visual acuity chart device inside the table; The visual function testing apparatus is characterized in that it includes a second reflecting device that reflects the light beam from the first reflecting device disposed above the subject's eyes toward the subject's eyes.
（作 用）
このような構成によれば、視力表装置からでた光束は、
第１反射装置、第２反射装置の順に反射した後、被検者
側に向かうことになる。(Function) According to this configuration, the luminous flux emitted from the visual acuity chart device is
After being reflected in the order of the first reflection device and the second reflection device, it heads toward the subject.
（実施例） 以下、本発明の一実施例を図面によって説明する。(Example) An embodiment of the present invention will be described below with reference to the drawings.
第１図において、テーブル１の上面には、検者用のＣＲ
Ｔ２とガラス窓３があり、検者用のＣＲＴ２の隣には視
ｔ′：Ｉ操作用のキーボード４がある。In Fig. 1, on the top of table 1 there is a CR for the examiner.
There is a T2 and a glass window 3, and a keyboard 4 for visual t':I operation is located next to the CRT 2 for the examiner.
第１図中、５はガラス窓３の上方に位置させる第２反射
装置としての第５反射ミラー、６はテーブル１の一側部
側に配設されたミラー支持アーム、７はテーブル１の一
側部側の第１脚部、７ａは第１脚部７内全体に形成され
たミラー収納室、７ｂはミラー収納室７ａの上端開口部
の開閉をする蓋体、８はテーブル１の他側部側の第２脚
部である。In FIG. 1, reference numeral 5 denotes a fifth reflection mirror as a second reflection device located above the glass window 3, 6 a mirror support arm disposed on one side of the table 1, and 7 a part of the table 1. The first leg on the side side, 7a is a mirror storage chamber formed entirely within the first leg 7, 7b is a lid body that opens and closes the upper end opening of the mirror storage chamber 7a, and 8 is the other side of the table 1 This is the second leg on the side.
上述したミラー支持アーム６は、テレスコピックパイプ
（入れ子骨）等を用いて伸縮自在に構成した支柱部６ａ
と、矢印入方向に水平回動自在に支柱部６ａの上端部に
装着された折曲アーム部６ｂとから略し字状に形成され
ている。この様なミラー支持アーム６の支柱部６ａは、
ミラー収納室７ａ底部に植立固定されている。しかも、
折曲アーム部６ｂの先端部にはミラー支持部材９が固定
され、このミラー支持部材９の下部には第５反射ミラー
５が角度調整装置１０．１０を介して矢印Ｂ方向に回動
調整可能に装着されている。この構成により第５反射ミ
ラー５は、不要時にミラー支持アーム６の伸び縮みによ
ってテーブル１の第１脚部７内すなわちミラー収納室７
ａ内に収納される。The mirror support arm 6 described above has a support section 6a that is extendable and retractable using a telescopic pipe (nesting bone) or the like.
and a bending arm portion 6b attached to the upper end of the support column 6a so as to be horizontally rotatable in the direction of the arrow. The pillar portion 6a of such a mirror support arm 6 is
It is planted and fixed at the bottom of the mirror storage chamber 7a. Moreover,
A mirror support member 9 is fixed to the tip of the bending arm portion 6b, and a fifth reflection mirror 5 is rotatably adjusted in the direction of arrow B at the bottom of the mirror support member 9 via an angle adjustment device 10.10. is installed on. With this configuration, the fifth reflecting mirror 5 can be moved inside the first leg portion 7 of the table 1, that is, in the mirror storage chamber 7, by the expansion and contraction of the mirror support arm 6 when unnecessary.
It is stored in a.
第２図においてテーブル１の第２脚部８内全体にはミラ
ー室８ａが形成されていて、このミラー室りａ内の一方
の側底壁上には被検者用のＣＴＲ２１が装着され、その
対面の壁には反射ミラー２２が添着されている。この第
１反射ミラー２２の対面となる壁には第２反射ミラー２
３が添着され、 ミラー室８ａの上部中央には第３反射
ミラー２４が保持されている。In FIG. 2, a mirror chamber 8a is formed throughout the second leg 8 of the table 1, and a CTR 21 for the patient is mounted on one side bottom wall of the mirror chamber a. A reflective mirror 22 is attached to the opposite wall. A second reflective mirror 2 is provided on the wall facing the first reflective mirror 22.
3 is attached, and a third reflecting mirror 24 is held in the upper center of the mirror chamber 8a.
さらにテーブルｌの上面にあるガラス窓３の下方には第
４反射ミラー２５が配設されている。尚、ＣＲＴ２には
ＣＲＴ２１と同一の視標が表示されると共に、検査デー
タが表示される様になっている。Further, a fourth reflecting mirror 25 is disposed below the glass window 3 on the top surface of the table l. Note that the CRT 2 displays the same optotype as the CRT 21 and also displays test data.
ＣＲＴ２１からでた光束は、第１．第２反射ミラー２２
゜２３間で数回反射した後、第３反射ミラー２４．第４
反射ミラー２５．第５反射ミラー５の順に反射して、テ
ーブルｌの前方に向かう様になっている。また、この様
な第１．第２．第３．第４反射ミラー２２，２３，２４
．２５は第２反射装置を構成している。The luminous flux emitted from the CRT 21 is the first one. Second reflective mirror 22
After being reflected several times between 23° and 23°, the third reflecting mirror 24. Fourth
Reflection mirror 25. The light is reflected in the order of the fifth reflecting mirror 5 and directed toward the front of the table l. Also, such a first. Second. Third. Fourth reflecting mirror 22, 23, 24
．． 25 constitutes a second reflection device.
次に、この様な構成の視機能検査装置の作用を説明する
。Next, the operation of the visual function testing device having such a configuration will be explained.
被検者用のＣＲＴ２１と検者用のＣＲＴ２には、デジタ
ル信号により形成される同一視標がキーボード８の操作
によって表示される。被検者用のＣＲＴ２１からの光束
は、第１反射ミラー２２と第２反射ミラー２３との間で
数回反射した後、第３反射ミラー２４によって光束の向
きを第４反射ミラー２５側に変更させられる。この変更
させられた光束は、ガラス窓３を透過して第５反射ミラ
ー５で前方に向きを変更させられ、被検者２６の眼に入
る。The same optotype formed by digital signals is displayed on the CRT 21 for the subject and the CRT 2 for the examiner by operating the keyboard 8. After the light beam from the CRT 21 for the subject is reflected several times between the first reflection mirror 22 and the second reflection mirror 23, the direction of the light beam is changed by the third reflection mirror 24 to the fourth reflection mirror 25 side. I am made to do so. This changed luminous flux passes through the glass window 3, is changed in direction forward by the fifth reflecting mirror 5, and enters the eye of the subject 26.
この実施例では検眼しない時は、第５反射ミラー５の付
いたミラー支持アーム６をテーブルｌの内部すなわちミ
ラー収納室７ａ内に第１図の破線の如く収納できるので
、コンサルティングスペースと検眼スペースを同一にで
きる。In this embodiment, when the eye examination is not performed, the mirror support arm 6 with the fifth reflective mirror 5 attached can be stored inside the table l, that is, in the mirror storage chamber 7a as shown by the broken line in Fig. 1, so that the consulting space and the eye examination space can be saved. Can be made the same.
また、視力表装置としてＣＲＴを用いたことにより、従
来の壁掛式や投影式に比べて視標が手もとに来るので視
標が見易く、又、多数の画像も出せる。さらに、このＣ
ＲＴは被検者用と検者用に分けてそれぞれ専用に設けた
ことにより検者は手元で視標を確認できる。Furthermore, by using a CRT as the visual acuity chart device, the visual target is closer to hand compared to conventional wall-mounted or projection type systems, making it easier to see the visual target, and a large number of images can also be produced. Furthermore, this C
The RT is separated into one for the subject and the other for the examiner, allowing the examiner to check the visual target at hand.
この実施例では検者用のＣＲＴ２を用いないで表示中の
キーボード上のキーのランプが付くようにしてもよい。In this embodiment, the lamps of the keys on the displayed keyboard may be lit without using the CRT 2 for the examiner.
他の実施例としては、視力表装置をＣＲＴの代りに投影
器とスクリーンとで構成したものや液晶または視力カー
ドで構成したものでもよい。なお。In other embodiments, the visual acuity chart device may be configured with a projector and a screen instead of the CRT, or may be configured with a liquid crystal or a visual acuity card. In addition.
上述した第２反射装置に眼屈折力検査装置を取付ければ
、眼屈折力の検査も行うことができる。If an eye refractive power testing device is attached to the second reflecting device described above, eye refractive power can also be tested.
（発明の効果）
以上説明した本発明によれば、被検者の視線を装置内に
取り込んだことにより従来に比べて検眼のための場所が
小さくできる。(Effects of the Invention) According to the present invention described above, the visual line of the subject is taken into the apparatus, so that the space for eye examination can be made smaller than in the past.
第１図は本発明の一実施例を示す視機能検査装置の構成
図、第２図は第１反射装置の構成と光路を示す図である
。
ｌ・・・テーブル、
２・・・検者用のＣＲＴ、
３・・・ガラス窓、
５・・・第５反射ミラー（第２反射装置）２１・・・被
検者のＣＲＴ、FIG. 1 is a block diagram of a visual function testing device showing an embodiment of the present invention, and FIG. 2 is a diagram showing the structure and optical path of a first reflecting device. l... Table, 2... CRT for examiner, 3... Glass window, 5... Fifth reflecting mirror (second reflecting device) 21... CRT of subject,
Claims (1)
前記視力表装置からの光束を反射する第１反射装置と、
前記テーブルの上部に配置された前記第１反射装置から
の光束を被検者眼に向けて反射する第２反射装置とから
なることを特徴とする視機能検査装置。a table with a built-in visual acuity chart device; a first reflecting device that reflects a luminous flux from the visual acuity chart device inside the table;
A visual function testing device comprising: a second reflecting device that reflects the light beam from the first reflecting device disposed above the table toward the subject's eyes.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60299191A JPS62159635A (en) | 1985-12-28 | 1985-12-28 | Sight function examination apparatus |
| US06/945,944 US4753527A (en) | 1985-12-28 | 1986-12-24 | Visual acuity testing apparatus |
| EP86402938A EP0229570B1 (en) | 1985-12-28 | 1986-12-24 | A visual acuity testing apparatus |
| DE8686402938T DE3673377D1 (en) | 1985-12-28 | 1986-12-24 | DEVICE FOR TESTING THE SHARPNESS. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60299191A JPS62159635A (en) | 1985-12-28 | 1985-12-28 | Sight function examination apparatus |
Related Child Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4013529A Division JPH0576495A (en) | 1992-01-29 | 1992-01-29 | Testing apparatus for visual function |
| JP4013527A Division JPH066108B2 (en) | 1992-01-29 | 1992-01-29 | Visual function inspection device |
| JP4013528A Division JPH0576494A (en) | 1992-01-29 | 1992-01-29 | Testing apparatus for visual function |
| JP6008419A Division JP2967686B2 (en) | 1994-01-28 | 1994-01-28 | Visual function testing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62159635A true JPS62159635A (en) | 1987-07-15 |
| JPH0510093B2 JPH0510093B2 (en) | 1993-02-08 |
Family
ID=17869317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60299191A Granted JPS62159635A (en) | 1985-12-28 | 1985-12-28 | Sight function examination apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62159635A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54133793A (en) * | 1978-04-07 | 1979-10-17 | Schwind Gmbh & Co Kg Herbert | Method of and device for projecting eyesight table |
| FR2461316A1 (en) * | 1979-07-06 | 1981-01-30 | Essilor Int | Test presentation on screen - incorporates optical system with two projectors on one screen using mirrors one of which is motor driven |
| JPS5962028A (en) * | 1982-08-27 | 1984-04-09 | ソシエテ・アノニム・エシロ−ル・インタ−ナシヨナル・ジ・ジエネラル・ドオプテイツク | Apparatus for inspecting sight obstacle and cassette |
| JPS5971040A (en) * | 1982-10-18 | 1984-04-21 | Ricoh Co Ltd | Image forming device |
-
1985
- 1985-12-28 JP JP60299191A patent/JPS62159635A/en active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54133793A (en) * | 1978-04-07 | 1979-10-17 | Schwind Gmbh & Co Kg Herbert | Method of and device for projecting eyesight table |
| FR2461316A1 (en) * | 1979-07-06 | 1981-01-30 | Essilor Int | Test presentation on screen - incorporates optical system with two projectors on one screen using mirrors one of which is motor driven |
| JPS5962028A (en) * | 1982-08-27 | 1984-04-09 | ソシエテ・アノニム・エシロ−ル・インタ−ナシヨナル・ジ・ジエネラル・ドオプテイツク | Apparatus for inspecting sight obstacle and cassette |
| JPS5971040A (en) * | 1982-10-18 | 1984-04-21 | Ricoh Co Ltd | Image forming device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0510093B2 (en) | 1993-02-08 |
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