JPS6155377B2 - - Google Patents
Info
- Publication number
- JPS6155377B2 JPS6155377B2 JP54022916A JP2291679A JPS6155377B2 JP S6155377 B2 JPS6155377 B2 JP S6155377B2 JP 54022916 A JP54022916 A JP 54022916A JP 2291679 A JP2291679 A JP 2291679A JP S6155377 B2 JPS6155377 B2 JP S6155377B2
- Authority
- JP
- Japan
- Prior art keywords
- projection lens
- slit
- projection
- optical axis
- light
- 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.)
- Expired
Links
- 230000003287 optical effect Effects 0.000 claims description 17
- 210000005252 bulbus oculi Anatomy 0.000 claims description 12
- 238000005286 illumination Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000386 microscopy Methods 0.000 description 1
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
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/13—Ophthalmic microscopes
- A61B3/135—Slit-lamp microscopes
Description
【発明の詳細な説明】
本発明は細隙灯顕微鏡に於けるスリツト投影像
のテイルテイング装置に関するものである。眼球
にスリツト像を投影してその光切断部分を実体顕
微鏡で拡大観察する細隙灯顕微鏡検査は眼科の診
療に於て広く行われているが、眼球に対するスリ
ツト像の投影角度を調整する必要があり各種の投
影角度調整方法と装置が開発されている。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a tailing device for a slit projected image in a slit lamp microscope. Slit-lamp microscopy, in which a slit image is projected onto the eyeball and the light section is magnified and observed using a stereomicroscope, is widely used in ophthalmology, but it is necessary to adjust the projection angle of the slit image relative to the eyeball. Various projection angle adjustment methods and devices have been developed.
しかし、従来のものでは照明系に複雑な動作を
させ、この為複雑な付属装置を必要とするもので
あつた。 However, in the conventional type, the illumination system has to perform complicated operations, and thus requires complicated accessory equipment.
例えば、従来の典型的な投影角度調整装置の一
例を示す第３図について説明すれば、スリツト像
の投影角度を水平位置から仰角投影角度に調整す
るには反射鏡１４の位置を実線で示す位置から仮
想線で示す位置まで下降させると共に鉛直光軸１
０との角度を元のθよりθ＋αだけ傾斜させ、か
つ投影レンズ８を仮想線で示す位置まで反射鏡と
一定比率の下で移動させなければならなかつた。 For example, referring to FIG. 3 showing an example of a typical conventional projection angle adjustment device, in order to adjust the projection angle of the slit image from a horizontal position to an elevational projection angle, the position of the reflector 14 is shown by a solid line. to the position shown by the imaginary line and vertical optical axis 1.
0 had to be tilted by θ+α from the original θ, and the projection lens 8 had to be moved to the position shown by the imaginary line at a constant ratio to the reflecting mirror.
これに対し本発明では上記の様な複雑な動作や
付属機構を要さず眼球へのスリツト像の投影角度
を容易に調整できるものであり以下図面に基いて
詳述する。 In contrast, in the present invention, the projection angle of the slit image onto the eyeball can be easily adjusted without requiring the above-mentioned complicated operations or attached mechanisms, and will be described in detail below with reference to the drawings.
図面に於て、第１図は本発明の構成を示す説明
図、第２図は第２投影レンズ１３の正面図、第３
図は従来の典型的な投影角度調整装置の一例を示
す説明図である。 In the drawings, FIG. 1 is an explanatory diagram showing the configuration of the present invention, FIG. 2 is a front view of the second projection lens 13, and FIG.
The figure is an explanatory diagram showing an example of a typical conventional projection angle adjustment device.
まず従来の一例としての第３図では、照明光源
１からの光はコンデンサーレンズ系２、回転板５
の開口部３、スリツト１１、投影レンズ８、反射
鏡１４を経て患者眼球９へ光束４を投影してスリ
ツト像を投影させ、その光切断部分を実体顕微鏡
１５で拡大観察するものである。 First, in FIG. 3 as an example of the conventional method, light from an illumination light source 1 is passed through a condenser lens system 2 and a rotary plate 5.
A beam of light 4 is projected onto the patient's eyeball 9 through the aperture 3, slit 11, projection lens 8, and reflector 14 to project a slit image, and the section of the light is magnified and observed using a stereomicroscope 15.
患者眼球への水平投影の場合、鉛直光軸１０に
対する反射鏡１４の角度θは45゜であるが仰角投
影とする為に反射鏡を図中仮想線で示す位置まで
下降させ同時に元の角度θをθ＋αだけ仰角度に
応じて傾斜させ、同時に投影レンズ８を仮想線の
位置まで反射鏡と一定比率の下で移動させなけれ
ばならない。 In the case of horizontal projection onto the patient's eyeball, the angle θ of the reflector 14 with respect to the vertical optical axis 10 is 45°, but in order to perform elevation projection, the reflector is lowered to the position shown by the imaginary line in the figure and at the same time returns to the original angle θ. must be tilted by θ+α according to the elevation angle, and at the same time, the projection lens 8 must be moved to the position of the virtual line at a constant ratio to the reflecting mirror.
これに対し第１図に示す本発明装置では次の様
な構成となつている。 In contrast, the apparatus of the present invention shown in FIG. 1 has the following configuration.
照明光源から発した光がコンデンサーレンズ系
２、回転板５の開口部３、ナイフエツヂ７によつ
て形成されたスリツト１１、第１投影レンズ８、
反射鏡１４、第２投影レンズ１３を経て患者眼球
９にスリツト像を投影させ、その光切断部分を実
体顕微鏡１５で拡大観察する構成となつている。
第２投影レンズ光軸１２が水平投影光軸６に対し
てθ２を傾斜せる様に第２投影レンズ１３を配置
する。図中実線で示した反射鏡の位置より該反射
鏡によつて反射された光束が第２投影レンズ１３
によつてスリツト像として患者眼球９に投影され
るとき、その光軸が水平になるような位置にθ２
が決定される。 The light emitted from the illumination light source passes through the condenser lens system 2, the opening 3 of the rotating plate 5, the slit 11 formed by the knife edge 7, the first projection lens 8,
A slit image is projected onto the patient's eyeball 9 via a reflecting mirror 14 and a second projection lens 13, and the light section is magnified and observed using a stereomicroscope 15.
The second projection lens 13 is arranged so that the second projection lens optical axis 12 is inclined by θ 2 with respect to the horizontal projection optical axis 6. The light beam reflected by the reflecting mirror from the position of the reflecting mirror indicated by the solid line in the figure is transferred to the second projection lens 13.
When projected onto the patient's eyeball 9 as a slit image by θ2 , the optical axis is horizontal.
is determined.
鉛直光軸１０と反射鏡１４との角度θ１は上記
の様に配置した第２投影レンズ１３の第２投影レ
ンズ光軸１２と該反射鏡によつて反射される光束
が平行となる位置に決定される。 The angle θ 1 between the vertical optical axis 10 and the reflecting mirror 14 is set at a position where the second projection lens optical axis 12 of the second projection lens 13 arranged as described above and the light beam reflected by the reflecting mirror are parallel to each other. It is determined.
そしてθ１を変えずに反射鏡１４を図中仮想線
で示す位置まで下降させてもこの位置での反射光
束も第２投影レンズ光軸１２と平行に第２投影レ
ンズ１３へ入射される。 Even if the reflecting mirror 14 is lowered to the position shown by the imaginary line in the figure without changing θ1 , the reflected light beam at this position also enters the second projection lens 13 in parallel to the second projection lens optical axis 12.
従つて、図中仮想線で示す反射鏡の位置より反
射された光束４は第２投影レンズ１３を経て水平
投影光軸６に対してθ３傾斜した仰角投影光軸１
６のスリツト像として患者眼球９へ投影される。
傾斜角θ３は反射鏡１４の下降距離によつて決
定されるので下降距離の調整によつて傾斜角θ
３を調整することができる。 Therefore, the light beam 4 reflected from the position of the reflecting mirror indicated by the imaginary line in the figure passes through the second projection lens 13 and forms the elevation projection optical axis 1 which is inclined by θ 3 with respect to the horizontal projection optical axis 6.
6 is projected onto the patient's eyeball 9 as a slit image.
Since the inclination angle θ 3 is determined by the descending distance of the reflector 14, the inclination angle θ 3 can be adjusted by adjusting the descending distance.
3 can be adjusted.
第２投影レンズ１３は第２図の正面図に示す様
な形状であるので実体顕微鏡１５の双眼観察路を
妨げることはない。 Since the second projection lens 13 has a shape as shown in the front view of FIG. 2, it does not obstruct the binocular observation path of the stereomicroscope 15.
本発明は以上説明した様な構成となつているの
で、従来例の様な複雑な動作と付属機構を要する
ことなく、反射鏡の上下摺動だけで簡単な操作で
患者眼球に対するスリツト像の投影角度を調整で
きる効果がある。 Since the present invention has the above-described configuration, the slit image is projected onto the patient's eyeball with a simple operation by simply sliding the reflector up and down, without requiring complicated movements and attached mechanisms as in the conventional example. It has the effect of being able to adjust the angle.
第１図は本発明の構成を示す説明図、第２図は
第２投影レンズ１３の正面図、第３図は従来の典
型的な投影角度調整装置の一例を示す説明図であ
る。
１…照明光源、２…コンデンサーレンズ系、３
…開口部、４…照明光束、５…回転板、６…水平
投影光軸、７…ナイフエツヂ、８…第１投影レン
ズ、９…患者眼球、１０…鉛直光軸、１１…スリ
ツト、１２…第２投影レンズ光軸、１３…第２投
影レンズ、１４…反射鏡、１５…実体顕微鏡、１
６…仰角投影光軸。
FIG. 1 is an explanatory diagram showing the configuration of the present invention, FIG. 2 is a front view of the second projection lens 13, and FIG. 3 is an explanatory diagram showing an example of a typical conventional projection angle adjusting device. 1...Illumination light source, 2...Condenser lens system, 3
...Aperture, 4...Illumination light flux, 5...Rotary plate, 6...Horizontal projection optical axis, 7...Knife edge, 8...First projection lens, 9...Patient's eyeball, 10...Vertical optical axis, 11...Slit, 12...Top 2 projection lens optical axis, 13...second projection lens, 14...reflector, 15...stereomicroscope, 1
6... Elevation projection optical axis.
Claims (1)
回転板の開口部、スリツト、第１投影レンズ、反
射鏡、第２投影レンズを経て患者眼球にスリツト
像を投影させ、その光切断部分を実体顕微鏡で拡
大観察する細隙灯顕微鏡に於て、第２投影レンズ
光軸１２が水平投影光軸６に対して傾斜せる様に
第２投影レンズ１３を配置し、第１投影レンズか
ら反射鏡にて反射された光束が第２投影レンズ光
軸１２と平行に第２投影レンズ１３へ入射される
ような角度に該反射鏡を上下摺動自在に配置し、
患者眼球に対するスリツト像の焦点が常に同一点
に形成された状態でそのスリツト像の仰角投影を
該反射鏡の上下摺動にて調整し得るように構成し
たことを特徴とする細隙灯顕微鏡に於けるスリツ
ト投影像のテイルテイング装置。1 The light from the illumination light source is a condenser lens system,
In a slit lamp microscope, a slit image is projected onto the patient's eyeball through an aperture of a rotating plate, a slit, a first projection lens, a reflector, and a second projection lens, and the part where the light is cut is magnified and observed using a stereomicroscope. The second projection lens 13 is arranged so that the second projection lens optical axis 12 is inclined with respect to the horizontal projection optical axis 6, and the light beam reflected from the first projection lens by the reflecting mirror is transmitted to the second projection lens optical axis 12. The reflecting mirror is arranged so as to be vertically slidable at an angle such that the light is incident on the second projection lens 13 parallel to the
A slit lamp microscope characterized in that the slit lamp is configured such that the focal point of the slit image with respect to the patient's eyeball is always formed at the same point, and the elevation angle projection of the slit image can be adjusted by vertically sliding the reflector. A tailing device for slit projected images.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2291679A JPS55115013A (en) | 1979-02-28 | 1979-02-28 | Tilting device of slit projected image in slit-lamp microscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2291679A JPS55115013A (en) | 1979-02-28 | 1979-02-28 | Tilting device of slit projected image in slit-lamp microscope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55115013A JPS55115013A (en) | 1980-09-04 |
| JPS6155377B2 true JPS6155377B2 (en) | 1986-11-27 |
Family
ID=12095958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2291679A Granted JPS55115013A (en) | 1979-02-28 | 1979-02-28 | Tilting device of slit projected image in slit-lamp microscope |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55115013A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0231185U (en) * | 1988-08-19 | 1990-02-27 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60126136A (en) * | 1983-12-10 | 1985-07-05 | 興和株式会社 | Illuminator in fine gap lamp microscope |
| EP1410754B1 (en) * | 2002-10-16 | 2006-05-24 | Möller-Wedel GmbH | Surgical microscope with illumination means |
-
1979
- 1979-02-28 JP JP2291679A patent/JPS55115013A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0231185U (en) * | 1988-08-19 | 1990-02-27 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55115013A (en) | 1980-09-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5132837A (en) | Operation microscope | |
| JPH0647001A (en) | Ophthalmologic device | |
| EP0230094B1 (en) | Laser spot projector | |
| US5302988A (en) | Stereoscopic retinal camera including vertically symmetrical apertures | |
| US4877321A (en) | Slit lamp microscope | |
| JPH1073769A (en) | Observing device with oblique illumination | |
| WO2013065805A1 (en) | Corneal imaging device | |
| US4479700A (en) | Microscope | |
| US8031399B2 (en) | Illumination device for a light microscope and light microscope with such an illumination device | |
| US4544248A (en) | Ophathalmoscopic camera having a focus detecting system | |
| US4102565A (en) | Slit lamp microscope | |
| JPH03128033A (en) | Ophthalmological machinery | |
| US4405215A (en) | Working position locating means for ophthalmologic apparatus | |
| JPS6155377B2 (en) | ||
| US3405994A (en) | Variable incidence type slit lamp mechanism | |
| JPS6148940B2 (en) | ||
| JPH0369928A (en) | Overhead projector | |
| US4422735A (en) | Fundus camera | |
| JPS6160692B2 (en) | ||
| US4894670A (en) | Slit projection apparatus | |
| SU625640A3 (en) | Projection objective lens | |
| JPS62186840A (en) | Slit projection apparatus | |
| US6280033B1 (en) | Indirect ophthalmoscope | |
| US4444475A (en) | Microscope with projector | |
| JPS627292Y2 (en) |