JPH01152607U - - Google Patents
Info
- Publication number
- JPH01152607U JPH01152607U JP4907288U JP4907288U JPH01152607U JP H01152607 U JPH01152607 U JP H01152607U JP 4907288 U JP4907288 U JP 4907288U JP 4907288 U JP4907288 U JP 4907288U JP H01152607 U JPH01152607 U JP H01152607U
- Authority
- JP
- Japan
- Prior art keywords
- optical system
- eye
- measurement
- cornea
- examined
- 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
- 230000003287 optical effect Effects 0.000 claims description 18
- 238000005259 measurement Methods 0.000 claims description 10
- 210000004087 cornea Anatomy 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Description
第１図はこの考案に係わる非接触式眼圧計の側
面図、第２図は第１図の部分平面図、第３図は基
板と傾斜板との取り付け状態を示す側面図、第４
図は第３図の背面図、第５図は従来の非接触式眼
圧計の側面図、第６図は被検眼と測定光学系との
関係を示した説明図である。
２１……ノズル、２５……傾斜板、３５……ハ
ンドル、Ｅ……被検眼、Ｅａ……角膜、Ｕ……射
出光学系、Ｖ……受光光学系。
Fig. 1 is a side view of a non-contact tonometer according to this invention, Fig. 2 is a partial plan view of Fig. 1, Fig. 3 is a side view showing how the substrate and inclined plate are attached, and Fig. 4 is a side view of the non-contact tonometer according to this invention.
The figure is a rear view of FIG. 3, FIG. 5 is a side view of a conventional non-contact tonometer, and FIG. 6 is an explanatory diagram showing the relationship between the eye to be examined and the measurement optical system. 21... Nozzle, 25... Inclined plate, 35... Handle, E... Eye to be examined, Ea... Cornea, U... Ejection optical system, V... Light receiving optical system.
補正 昭６３．６．６
実用新案登録請求の範囲を次のように補正する
。Amendment June 6, 1983 The scope of claims for utility model registration is amended as follows.
【実用新案登録請求の範囲】
(1) 被検眼の角膜に向けて流体を放出するノズ
ルと、前記角膜に向けて測定光を射出するととも
にその角膜で反射する光を受光してその角膜の変
形を検出する測定光学系とを備える眼科器械にお
いて、
前記ノズルの向きおよび測定光学系の光軸の向
きを変更する向き変更手段を設けたことを特徴と
する眼科器械。
(2) 被検眼を固視させるための固視標投影光学
系と、前記被検眼に測定用指標を投影し該指標の
反射像に基づいて前記被検眼の光学特性を測定す
るための測定光学系とを有する眼科器械において
、
前記固視標投影光学系と前記測定光学系の各々
の少なくとも一部の光学系の光軸の向きを同時に
変更する向き変更手段を設けたことを特徴とする
眼科器械。[Claims for Utility Model Registration] (1) A nozzle that emits fluid toward the cornea of the eye to be examined, and a deformation of the cornea by emitting measurement light toward the cornea and receiving light reflected by the cornea. An ophthalmological instrument comprising: a measuring optical system for detecting the nozzle; and an ophthalmic instrument comprising: a direction changing means for changing the direction of the nozzle and the direction of the optical axis of the measuring optical system. (2) A fixation target projection optical system for fixating the eye to be examined, and measurement optics for projecting a measurement index onto the eye to be examined and measuring the optical characteristics of the eye based on the reflected image of the index. An ophthalmological instrument having an ophthalmological system, characterized in that an ophthalmological instrument is provided with a direction changing means for simultaneously changing the direction of the optical axis of at least a part of each of the fixation target projection optical system and the measurement optical system. instrument.
Claims (1)
ルと、前記角膜に向けて測定光を射出するととも
にその角膜で反射する光を受光してその角膜の変
形を検出する測定光学系とを備える非接触式眼圧
計において、 前記ノズルの向きおよび測定光学系の光軸の向
きを変更する向き変更手段を設けたことを特徴と
する非接触式眼圧計。 (2) 被検眼を固視させるための固視標投影光学
系と、前記被検眼に測定用指標を投影し、該指標
の反射像に基づいて前記被検眼の光学特性を測定
するための測定光学系とを有する眼科器械におい
て、 前記固視標投影光学系と前記測定光学系の各々
の少なくとも一部の光学系の光軸の向きを同時に
変更する向き変更手段を設けたことを特徴とする
眼科器械。[Claims for Utility Model Registration] (1) A nozzle that emits fluid toward the cornea of the eye to be examined, and a deformation of the cornea by emitting measurement light toward the cornea and receiving light reflected by the cornea. What is claimed is: 1. A non-contact tonometer comprising: a measurement optical system for detecting the nozzle; (2) A fixation target projection optical system for fixating the eye to be examined, and a measurement for projecting a measurement index onto the eye to be examined and measuring the optical characteristics of the eye to be examined based on a reflected image of the index. an ophthalmological instrument having an optical system, characterized in that an ophthalmic instrument is provided with a direction changing means for simultaneously changing the direction of the optical axis of at least a part of each of the fixation target projection optical system and the measurement optical system. Ophthalmology instruments.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988049072U JPH0529685Y2 (en) | 1988-04-12 | 1988-04-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988049072U JPH0529685Y2 (en) | 1988-04-12 | 1988-04-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01152607U true JPH01152607U (en) | 1989-10-20 |
| JPH0529685Y2 JPH0529685Y2 (en) | 1993-07-29 |
Family
ID=31275192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988049072U Expired - Lifetime JPH0529685Y2 (en) | 1988-04-12 | 1988-04-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0529685Y2 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5213693U (en) * | 1975-07-17 | 1977-01-31 | ||
| JPS5731837A (en) * | 1980-06-27 | 1982-02-20 | Humphrey Instruments Inc | Method and apparatus for examinating cornea shape |
| JPS6155373A (en) * | 1984-08-25 | 1986-03-19 | Shimadzu Corp | Rotary type fluid switching device |
| JPS61272028A (en) * | 1985-05-23 | 1986-12-02 | キ−ラ−・リミテッド | Tonometer |
| US4640596A (en) * | 1980-10-31 | 1987-02-03 | Humphrey Instruments, Inc. | Objective refractor for the eye |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5213693B2 (en) * | 1971-12-23 | 1977-04-16 |
-
1988
- 1988-04-12 JP JP1988049072U patent/JPH0529685Y2/ja not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5213693U (en) * | 1975-07-17 | 1977-01-31 | ||
| JPS5731837A (en) * | 1980-06-27 | 1982-02-20 | Humphrey Instruments Inc | Method and apparatus for examinating cornea shape |
| US4640596A (en) * | 1980-10-31 | 1987-02-03 | Humphrey Instruments, Inc. | Objective refractor for the eye |
| JPS6155373A (en) * | 1984-08-25 | 1986-03-19 | Shimadzu Corp | Rotary type fluid switching device |
| JPS61272028A (en) * | 1985-05-23 | 1986-12-02 | キ−ラ−・リミテッド | Tonometer |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0529685Y2 (en) | 1993-07-29 |
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