JPH05130974A - Testing adaptor for ophthalmoscope of surgical microscope - Google Patents
Testing adaptor for ophthalmoscope of surgical microscopeInfo
- Publication number
- JPH05130974A JPH05130974A JP4090167A JP9016792A JPH05130974A JP H05130974 A JPH05130974 A JP H05130974A JP 4090167 A JP4090167 A JP 4090167A JP 9016792 A JP9016792 A JP 9016792A JP H05130974 A JPH05130974 A JP H05130974A
- Authority
- JP
- Japan
- Prior art keywords
- lens
- adapter
- optical system
- ophthalmoscopic
- optical
- 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 abstract description 46
- 210000000695 crystalline len Anatomy 0.000 claims description 71
- 241000219739 Lens Species 0.000 claims description 69
- 238000003384 imaging method Methods 0.000 claims description 5
- 240000004322 Lens culinaris Species 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims 1
- 210000001747 pupil Anatomy 0.000 abstract description 13
- 238000000034 method Methods 0.000 description 3
- 230000008447 perception Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000001356 surgical procedure 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
- A61B3/132—Ophthalmic microscopes in binocular arrangement
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/0004—Microscopes specially adapted for specific applications
- G02B21/0012—Surgical microscopes
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/02—Objectives
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Surgery (AREA)
- Biophysics (AREA)
- Medical Informatics (AREA)
- Animal Behavior & Ethology (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Molecular Biology (AREA)
- Ophthalmology & Optometry (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Microscoopes, Condenser (AREA)
- Eye Examination Apparatus (AREA)
- Lenses (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、特許請求の範囲第１項
の前文に記載されるような手術用顕微鏡の検眼鏡検査用
アダプタに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ophthalmoscopic examination adapter for a surgical microscope as set forth in the preamble of claim 1.
【０００２】[0002]
【従来の技術】人間の眼の眼底又は眼底付近の水晶体領
域を顕微鏡で観察できるようにするために、まず、検眼
鏡検査用レンズにより観察する眼の一部分の中間像を形
成し、その像を手術用顕微鏡によって観察する。そのよ
うにして観察するこの像は上下左右が逆であり、偽立体
像である。すなわち、奥行き知覚上、前後が逆になって
いるのである。ところが、顕微外科作業を可能にするた
めには、アライメントされ、立体感覚でも正しい像が必
要である。従って、手術用顕微鏡においては、要求され
る像アライメントと同時に、立体観察時に発生する偽立
体効果を回避するための２つの観察光路の交換（ひとみ
交換）を行わなければならない。2. Description of the Related Art In order to observe a fundus of a human eye or a lens region in the vicinity of the fundus with a microscope, first, an intermediate image of a part of an eye to be observed is formed by an ophthalmoscopic lens, and the image is formed. Observe with a surgical microscope. This image observed in that way is upside down, left and right, and is a false stereoscopic image. That is, the front and back are reversed in terms of depth perception. However, in order to be able to perform microsurgical work, it is necessary to be aligned and have a stereoscopically correct image. Therefore, in the surgical microscope, it is necessary to exchange the two observation optical paths (pupil exchange) in order to avoid the false stereoscopic effect that occurs during stereoscopic observation, at the same time as the required image alignment.
【０００３】手術用顕微鏡の双眼鏡胴と倍率切換え装置
との間に付加的に配置されるプリズム系により、この像
アライメントとひとみ交換を行うことができる。そのよ
うなプリズム系は、たとえば、ドイツ公開特許公報第３
５０７４５８号に記載されている。この追加構成要素に
よって、患者の眼と観察者のひとみとの間の動作距離は
長くなる。ところが、人間工学的観点及び医療実施面か
らいえば、そのように動作距離が伸びることは望ましく
ない。さらに、第２の人物がもう１つの双眼鏡胴を使用
して観察すべき場合には、そのようなプリズム系は特に
負担を大きくしてしまう。それは、共同観察のために、
対応する第２の同様なプリズム系が必要になると思われ
るからである。This image alignment and pupil exchange can be performed by means of a prism system which is additionally arranged between the binocular barrel of the operating microscope and the magnification switching device. Such prism systems are described, for example, in German Laid-Open Patent Publication No. 3
No. 507458. This additional component increases the working distance between the patient's eye and the observer's pupil. However, in terms of ergonomics and medical practice, it is not desirable to increase the working distance. Moreover, such prismatic systems are particularly burdensome if the second person is to observe using another binocular barrel. For joint observation,
This is because a corresponding second similar prism system would be needed.
【０００４】別の解決策はドイツ公開特許公報第３５３
９００９号及びドイツ実用新案公報第８９２０３５．９
号に提案されている。この場合、手術用顕微鏡に装着さ
れるアダプタの中に、検眼鏡検査用レンズと、形成され
る中間像を像反転させる装置とを取付ける。そこで、対
応するプリズム系は手術用顕微鏡の主対物レンズのすぐ
前に配置される。眼の関心部分への焦点合わせはそれぞ
れ本来の手術用顕微鏡で行われる。顕微鏡は２つの部分
から成る主対物レンズを有し、その一方のレンズ群は他
方のレンズ群に対して摺動自在である。そのため、この
アダプタを着脱する際には、その都度、手術用顕微鏡の
設定を変更しなければならず、手術中にはそのような作
業は非常にわずらわしい。反転プリズム系を主対物レン
ズの直前に配置する構成のもう１つの欠点は、この場所
で、まだ一部は重複している発散光路が２つの別々の反
転プリズム系により空間的に完全に分離される。そのと
きに、それら２つの光路の一部はフェードアウトされて
しまう。すなわち、手術用顕微鏡に像誤差（口径食）を
引起こす結果になる。さらに、このような構成では、使
用する手術用顕微鏡の主対物レンズが２つの部分から形
成しているために、装置の全長が長くなってしまい、そ
れは、外科医の作業領域をできる限り広くとらなければ
ならないという条件とは相反するものである。Another solution is German published patent publication No. 353.
No. 9009 and German Utility Model Publication No. 89205.9.
Is proposed in the issue. In this case, an ophthalmoscopic lens and a device for inverting the formed intermediate image are mounted in an adapter mounted on a surgical microscope. The corresponding prism system is then placed immediately in front of the main objective of the surgical microscope. Focusing on the region of interest of the eye is performed with each native surgical microscope. The microscope has a two-part main objective, one lens group of which is slidable with respect to the other. Therefore, each time the adapter is attached or detached, the setting of the surgical microscope must be changed, and such a work is very troublesome during the operation. Another disadvantage of the arrangement of the inverting prism system directly in front of the main objective is that at this location the diverging optical paths, which still partially overlap, are spatially completely separated by two separate inverting prism systems. It At that time, a part of those two optical paths is faded out. That is, it results in causing an image error (vignetting) in the surgical microscope. Furthermore, in such an arrangement, the main objective of the surgical microscope used is made up of two parts, which increases the overall length of the device, which should keep the surgeon's working area as wide as possible. The condition that it has to be contradicted.
【０００５】[0005]
【発明が解決しようとする課題】従って、本発明の課題
は、検眼鏡検査用レンズにより形成された中間像の像ア
ライメントを行い、観察光路を交換すると共に、手術用
顕微鏡を変形する必要なく、手術用顕微鏡を従来通りに
使用できるようにするのみならず、選択的に検眼鏡とし
ても使用できるようにする手術用顕微鏡の検眼鏡検査用
アダプタを提供することである。そこで、この検眼鏡検
査用アダプタは手術用顕微鏡により中間像を像誤差なく
観察できるようにするものでなければならない。さら
に、このアダプタを使用して共同観察者も立体観察を行
うことが可能でなければならず、その際には、双眼鏡胴
を１つ追加するだけで良い。SUMMARY OF THE INVENTION Therefore, an object of the present invention is to perform image alignment of an intermediate image formed by an ophthalmoscopic lens, exchange observation optical paths, and without the need for deforming a surgical microscope. An object of the present invention is to provide an ophthalmoscopic examination adapter for a surgical microscope, which enables not only the conventional use of the operating microscope but also the selective use as an ophthalmoscope. Therefore, this ophthalmoscopic examination adapter must be capable of observing an intermediate image with an operating microscope without image error. Furthermore, the co-observer must also be able to make stereoscopic observations using this adapter, in which case only one binocular barrel needs to be added.
【０００６】[0006]
【課題を解決するための手段】上記の課題は、特許請求
の範囲第１項の特徴を有する検眼鏡検査用アダプタによ
り解決される。本発明による検眼鏡検査用アダプタの中
には、検眼鏡検査用レンズ又は検眼鏡検査用対物レンズ
により第１の中間像平面に形成される中間像の所望の像
アライメントを行う光学系がある。さらに、この光学系
は観察光路の交換（ひとみ交換）も行う。像アライメン
トとひとみ交換は第１の中間像平面のすぐ後の、立体観
察光路がまだ完全には分離せずに進んでいるが、互いに
関与はしていない場所で行われる。そこで、続いて直立
して左右も正しい像を従来の手術用顕微鏡により立体的
に正確に観察することができ、それに伴って、手術用顕
微鏡にさらに手を加える必要はない。さらに、アダプタ
の中の、それぞれの光学系とアダプタの対物レンズ側端
部との間には集束レンズがある。集束レンズは光軸に沿
って摺動自在である。このレンズによって、眼の関心部
分への焦点合わせを行うのである。従って、本発明によ
るアダプタでは、本来の手術用顕微鏡で何らかの変更を
行う必要なく、焦点合わせができる。そのため、使用に
際しては、手術用顕微鏡を使用する観察方式と、検眼鏡
検査用アダプタを装着した手術用顕微鏡を使用する観察
方式とを迅速に切換えることができ、観察方式を切換え
るたびに手術用顕微鏡で時間のかかる焦点合わせをし直
す必要もない。本発明によるアダプタに適切な旋回装置
を設ければ、観察方式の迅速な切換えを実現することが
できる。また、本発明によるアダプタを装着したとき
も、患者の眼と観察者のひとみとの間の動作距離は一定
である。従って、このアダプタは従来のそれぞれの手術
用顕微鏡に多様に使用することができる。そのため、別
の人物が共同観察するときには、同様のアダプタを１つ
使用するだけで良い。その場合、共同観察者は追加の双
眼鏡胴と、共通の主対物レンズとを経て観察を行う。像
アライメントとひとみ交換は、２つの視野レンズと、ト
リプレットとから構成される光学構造、もしくは本発明
によるアダプタの中に対応して配置されている直視反転
プリズムにより行われる。The above problems can be solved by an ophthalmoscopic examination adapter having the features of claim 1. Among the ophthalmoscopic examination adapters according to the invention is an optical system for performing the desired image alignment of the intermediate image formed on the first intermediate image plane by the ophthalmoscopic examination lens or the ophthalmoscopic examination objective lens. Furthermore, this optical system also exchanges the observation optical path (pupil exchange). Image alignment and pupil exchange occur just after the first intermediate image plane, where the stereoscopic viewing paths have not yet been completely separated but are not involved. Therefore, it is possible to successively observe the right and left-right images three-dimensionally and accurately with the conventional surgical microscope, and accordingly, it is not necessary to further modify the surgical microscope. Further, there is a focusing lens in the adapter between each optical system and the end of the adapter on the objective lens side. The focusing lens is slidable along the optical axis. The lens focuses on the area of interest of the eye. Therefore, the adapter according to the present invention allows for focusing without the need for any changes in the original surgical microscope. Therefore, in use, it is possible to quickly switch between an observation method using a surgical microscope and an observation method using a surgical microscope equipped with an ophthalmoscopic examination adapter. There's no need for time-consuming refocusing. If the adapter according to the present invention is provided with a proper turning device, it is possible to realize quick switching of the observation method. Also, when the adapter according to the invention is fitted, the working distance between the patient's eye and the observer's pupil remains constant. Therefore, this adapter can be widely used in each conventional surgical microscope. Therefore, when another person jointly observes, only one similar adapter needs to be used. In that case, the co-observer observes via an additional binocular barrel and a common main objective. Image alignment and pupil exchange are performed by an optical structure consisting of two field lenses and a triplet, or a corresponding direct-view inverting prism arranged in the adapter according to the invention.
【０００７】[0007]
【実施例】添付の図面の図１から図４を参照して本発明
の２つの実施例をさらに詳細に説明する。図１には、手
術用顕微鏡１３が示されており、その主対物レンズ５
ａ，５ｂの前には本発明による検眼鏡検査用アダプタ１
が配置されている。このアダプタの内部には、像のアラ
イメントとひとみ交換のための光学系１４が取付けられ
ている。検眼鏡検査用アダプタ１は、眼２に向いた側
に、第１の中間像平面ＺＥ１に観察すべき眼底３の上下
左右反転像を形成する検眼鏡検査用レンズ８を有する。
この像は、後続する光学系１４、図１の実施例ではレン
ズ構造を経てアライメントされ、上下左右を元に戻した
形で第２の中間像平面ＺＥ２に結像される。中間像平面
ＺＥ２の像は本来の手術用顕微鏡１３により観察され
る。この手術用顕微鏡１３は従来通りの構成である。す
なわち、共通の主対物レンズ５ａ，５ｂの背後には、倍
率切換え装置６ａ，６ｂと、２本の別個の光路に対応す
る鏡胴レンズ１６ａ，１６ｂ及び反転プリズム７ａ，７
ｂが配置されている。双眼鏡胴４ａ，４ｂによって立体
的観察が可能になる。２つの観察光路に対して１つの共
通の主対物レンズ５ａ，５ｂを使用することは、本発明
に特有のものではない。２つの観察光路のそれぞれにつ
いて別々の対物レンズを設けることも可能であろう。1 and 2 of the accompanying drawings, two embodiments of the present invention will be described in more detail. FIG. 1 shows a surgical microscope 13 with a main objective lens 5
In front of a and 5b, an ophthalmoscopic examination adapter 1 according to the present invention
Are arranged. An optical system 14 for image alignment and pupil exchange is mounted inside the adapter. The ophthalmoscopic examination adapter 1 has, on the side facing the eye 2, an ophthalmoscopic examination lens 8 that forms a vertically and horizontally inverted image of the fundus 3 to be observed on the first intermediate image plane ZE1.
This image is aligned through the subsequent optical system 14, the lens structure in the embodiment shown in FIG. 1, and is formed on the second intermediate image plane ZE2 in a state where the top, bottom, left and right are returned to the original state. The image of the intermediate image plane ZE2 is observed by the original surgical microscope 13. This surgical microscope 13 has a conventional configuration. That is, behind the common main objective lenses 5a and 5b, magnification switching devices 6a and 6b, lens barrel lenses 16a and 16b corresponding to two separate optical paths, and inverting prisms 7a and 7b are provided.
b is arranged. Stereoscopic observation is possible with the binocular barrels 4a and 4b. The use of one common main objective 5a, 5b for the two viewing paths is not unique to the invention. It would also be possible to provide separate objective lenses for each of the two viewing optical paths.
【０００８】さらに、図１に示すレンズ１５は光学系１
４とアダプタ１の対物レンズ側端部との間に、光軸に沿
って摺動自在に配置されている。このレンズ１５を使用
すると、本来の手術用顕微鏡１３を何らかの形で変形す
る必要なく眼２の関心ある一部分に焦点合わせすること
が可能になる。従って、適切な旋回手段（図１には図示
せず）を利用すれば、手術用顕微鏡を従来通りの方法の
みならず、眼の外科手術の場合にも使用できるのであ
る。Further, the lens 15 shown in FIG.
4 and the objective lens side end of the adapter 1 are slidably arranged along the optical axis. The use of this lens 15 makes it possible to focus on the part of interest of the eye 2 without the original surgical microscope 13 having to be deformed in any way. Therefore, with the aid of suitable pivoting means (not shown in FIG. 1), the surgical microscope can be used not only in the conventional manner, but also in ophthalmic surgery.
【０００９】図２には、像のアライメント及びひとみ交
換のための光学系を含む本発明による検眼鏡検査用アダ
プタ１を示す。この実施例では、光学系は複数個のレン
ズ９ａ，１０，１１，１２，９ｂを有する光学構造とし
て構成されている。アダプタ１の患者の眼に向いた側に
位置する検眼鏡検査用レンズ８は、観察している眼の一
部分の上下左右反転像を中間像平面ＺＥ１に形成する。
この像は後続する５つのレンズ９ａ，１０，１１，１
２，９ｂを経てアライメントされ且つ左右を元通りに直
した状態で実物大で中間像平面ＺＥ２に結像される。実
質的な結像は、正の屈折率を有する２個のレンズＬ３：
１０，Ｌ１：１２と、それらのレンズの間に配置されて
いる、負の屈折率を有するレンズＬ２：１１とから構成
されるトリプレットにより行われる。残る２つのレンズ
Ａ１：９ａ；Ａ２：９ｂは視野レンズとして作用する。
光軸に沿って摺動自在であるレンズ１５により、アダプ
タ１の内部で、眼の関心ある部分への焦点合わせが行わ
れる。中間像平面ＺＥ２に形成された像は手術用顕微鏡
１３により観察される。この光学構造を対応するアダプ
タの中にアダプタの全長をさほど伸ばさずに取付けるこ
とができるように、光学構造の個々の要素を直線上に相
前後して並べるのではなく、結像光路が方向転換する状
態で要素をアダプタの内部に配列させることが可能であ
る。FIG. 2 shows an opthalmoscopic examination adapter 1 according to the invention including optics for image alignment and pupil exchange. In this embodiment, the optical system is constructed as an optical structure having a plurality of lenses 9a, 10, 11, 12, 9b. The ophthalmoscopic lens 8 located on the side of the adapter 1 facing the patient's eye forms a vertically and horizontally inverted image of a part of the observed eye on the intermediate image plane ZE1.
This image shows the following five lenses 9a, 10, 11, 1
Images are imaged on the intermediate image plane ZE2 in full size in a state where they are aligned through 2, 9b and the left and right are restored to the original state. Substantial imaging is achieved by two lenses L3 having a positive refractive index:
10, L1: 12 and a lens L2: 11 having a negative refractive index, which is arranged between the lenses, L2: 11. The remaining two lenses A1: 9a; A2: 9b act as field lenses.
A lens 15, which is slidable along the optical axis, focuses inside the adapter 1 on the part of interest of the eye. The image formed on the intermediate image plane ZE2 is observed by the surgical microscope 13. Instead of arranging the individual elements of the optical structure one after another in a straight line, the imaging optical path is redirected so that this optical structure can be mounted in a corresponding adapter without significantly extending the length of the adapter. It is possible to arrange the elements inside the adapter in the state of doing.
【００１０】トリプレットＬ１：ｆ1 ；Ｌ２：ｆ2 ；Ｌ
３：ｆ3 と、２つの視野レンズＡ１：９ａ；Ａ２：９ｂ
とから構成され、４３６ｎｍ，４８０ｎｍ，５４６ｎｍ
及び６４４ｎｍの可視スペクトル範囲の波長について色
誤差修正されているレンズ系の場合、主対物レンズの焦
点距離が２００ｍｍであるときに実現可能な焦点距離比
は、 ｆ3 ：ｆ1 ＝〔０．９・・・２．０〕 −ｆ2 ：ｆ1 ＝〔０．４・・・０．６〕 の範囲内にある。Triplet L1: f 1 ; L2: f 2 ; L
3: a f 3, 2 two field lenses A1: 9a; A2: 9b
And 436 nm, 480 nm, 546 nm
And when the wavelength in the visible spectral range of 644nm lens system that is color error correction, the focal length and the focal length ratio that can be achieved when a 200mm of the main objective, f 3: f 1 = [0.9 ... 2.0] -f 2: f 1 = in the range of [0.4 ... 0.6].
【００１１】この範囲内で、手術用顕微鏡の下方で可能
な限り大きな動作視野を与える検眼鏡検査用アダプタの
許容長さが得られる。その上に、相応して高い光学構造
の結像画質も保証される。Within this range, an acceptable length of the ophthalmoscopic examination adapter is obtained which gives the largest possible field of view below the surgical microscope. In addition, the image quality of the correspondingly high optical structures is also ensured.
【００１２】表１〜表２には、実施例を付随する数値と
共に示す。それらの数値の個々のパラメータを変更して
も、それに匹敵するほど良い結像効果が得られる。 表 １ （ｆ3 :ｆ1＝２．０，−ｆ2 ：ｆ1 ＝０．５４５） ──────────────────────────────────── レンズ 半 径 厚 さ 間 隔 屈折率 アッベ数 Linse Radius Dicks Abstand Brechungsindex Abbe-Zahl ｒi ／mm ｄi ／mm ｄi ／mm ｎ（５４６nm） νe ──────────────────────────────────── ｒ1 ＝ 42.9911 ｄ1 ＝3.000 1.68637 44.2 A2 ｒ2 ＝ -18.9821 ｄ2 ＝1.000 1.81265 25.2 ｒ3 ＝ -59.2871 ｄ3 ＝30.750 ｒ4 ＝ 6.4576 L1 ｄ4 ＝2.500 1.80730 46.1 ｒ5 ＝ -140.0550 ｄ5 ＝ 1.948 ｒ6 ＝ -8.7323 L2 ｄ6 ＝0.600 1.81265 25.2 ｒ7 ＝ 5.7935 ｄ7 ＝6.175 ｒ8 ＝ 925.3580 L3 ｄ8 ＝2.500 1.80730 46.1 ｒ9 ＝ -12.3903 ｄ9 ＝27.530 ｒ10＝ 86.8200 ｄ10＝1.000 1.81265 25.2 A1 ｒ11＝ 17.1400 ｄ11＝3.000 1.68637 44.2 ｒ12＝ -31.4353 ──────────────────────────────────── 表 ２ （ｆ3 :ｆ1＝１．６６，−ｆ2 ：ｆ1 ＝０．５６） ──────────────────────────────────── レンズ 半 径 厚 さ 間 隔 屈折率 アッベ数 Linse Radius Dicks Abstand Brechungsindex Abbe-Zahl ｒi ／mm ｄi ／mm ｄi ／mm ｎ（５４６nm） νe ──────────────────────────────────── ｒ1 ＝ 42.9911 ｄ1 ＝1.696 1.68637 44.2 A2 ｒ2 ＝ -18.9821 ｄ2 ＝0.848 1.81265 25.2 ｒ3 ＝ -59.2871 ｄ3 ＝32.070 ｒ4 ＝ 7.9988 L1 ｄ4 ＝2.500 1.80730 46.1 ｒ5 ＝ -106.2270 ｄ5 ＝ 2.620 ｒ6 ＝ -9.5154 L2 ｄ6 ＝0.600 1.81265 25.2 ｒ7 ＝ 7.7269 ｄ7 ＝ 4.940 ｒ8 ＝ -148.7780 L3 ｄ8 ＝2.500 1.80730 46.1 ｒ9 ＝ -11.5635 ｄ9 ＝28.490 ｒ10＝ 86.8223 ｄ10＝0.848 1.81265 25.2 A1 ｒ11＝ 17.1339 ｄ11＝1.696 1.68637 44.2 ｒ12＝ -28.2267 ──────────────────────────────────── 表 ３ （ｆ3 :ｆ1＝０．８８，−ｆ2 ：ｆ1 ＝０．４０） ──────────────────────────────────── レンズ 半 径 厚 さ 間 隔 屈折率 アッベ数 Linse Radius Dicks Abstand Brechungsindex Abbe-Zahl ｒi ／mm ｄi ／mm ｄi ／mm ｎ（５４６nm） νe ──────────────────────────────────── ｒ1 ＝ 30.5000 ｄ1 ＝3.000 1.68637 44.2 A2 ｒ2 ＝ -18.9820 ｄ2 ＝1.000 1.81265 25.2 ｒ3 ＝ -59.2870 ｄ3 ＝31.687 ｒ4 ＝ 5.9576 L1 ｄ4 ＝2.500 1.61521 58.4 ｒ5 ＝ 50.5546 ｄ5 ＝ 3.277 ｒ6 ＝ -6.0844 L2 ｄ6 ＝1.000 1.65222 33.6 ｒ7 ＝ 5.4845 ｄ7 ＝ 2.333 ｒ8 ＝ 17.7756 L3 ｄ8 ＝2.500 1.61521 58.4 ｒ9 ＝ -8.1069 ｄ9 ＝23.117 ｒ10＝ 86.8200 ｄ10＝1.000 1.81265 25.2 A1 ｒ11＝ 17.1400 ｄ11＝3.000 1.68637 44.2 ｒ12＝ -30.5299 ────────────────────────────────────Tables 1 and 2 show the examples together with the associated numerical values. Even if the individual parameters of these numerical values are changed, a comparable imaging effect can be obtained. Table 1 (f 3: f 1 = 2.0, -f 2: f 1 = 0.545) ────────────────────────── ────────── Lens Half-diameter Thickness Interval Refractive index Abbe number Linse Radius Dicks Abstand Brechungsindex Abbe-Zahl r i / mm d i / mm d i / mm n (546nm) ν e ─── ───────────────────────────────── r 1 = 42.9911 d 1 = 3.000 1.68637 44.2 A2 r 2 = -18.9821 d 2 = 1.000 1.81265 25.2 r 3 = -59.2871 d 3 = 30.750 r 4 = 6.4576 L1 d 4 = 2.500 1.80730 46.1 r 5 = -140.0550 d 5 = 1.948 r 6 = -8.7323 L2 d 6 = 0.600 1.81265 25.2 r 7 = 5.7935 d 7 = 6.175 r 8 = 925.3580 L3 d 8 = 2.500 1.80730 46.1 r 9 = -12.3903 d 9 = 27.530 r 10 = 86.8200 d 10 = 1.000 1.81265 25.2 A1 r 11 = 17.1400 d 11 = 3.000 1.68637 44.2 r 12 = -31.4353 ────────── ───────────────────────── Table 2 (f 3: f 1 = 1.66, -f 2: f 1 = 0.56) ─ ─────────────────────────────────── Lens Half-diameter Thickness Interval Refractive index Abbe number Linse Radius Dicks Abstand Brechungsindex Abbe-Zahl r i / mm d i / mm d i / mm n (546nm) ν e ───────────────────────────── ──────── r 1 = 42.9911 d 1 = 1.696 1.68637 44.2 A2 r 2 = -18.9821 d 2 = 0.848 1.81265 25.2 r 3 = -59.2871 d 3 = 32.070 r 4 = 7.9988 L1 d 4 = 2.500 1.80730 46.1 r 5 = -106.2270 d 5 = 2.620 r 6 = -9.5154 L2 d 6 = 0.600 1.81265 25.2 r 7 = 7.7269 d 7 = 4.940 r 8 = -148.7780 L3 d 8 = 2.500 1.80730 46.1 r 9 = -11.5635 d 9 = 28.490 r 10 = 86.8223 d 10 = 0.848 1.81265 25.2 A1 r 11 = 17.1339 d 11 = 1.696 1.68637 44.2 r 12 = -28.2267 ──────────────────────────────────── Table 3 (f 3 : f 1 = 0.88, -f 2 : f 1 = 0.40) ─────────────────────────────── ────── Lens Half-diameter Thickness Interval Refractive index Abbe number Linse Radius Dicks Abstand Brechungsindex Abbe-Zahl r i / mm d i / mm d i / mm n (546nm) ν e ─────── ───────────────────────────── r 1 = 30.5000 d 1 = 3.000 1.68637 44.2 A2 r 2 = -18.9820 d 2 = 1.000 1.81265 25.2 r 3 = -59.2870 d 3 = 31.687 r 4 = 5.9576 L1 d 4 = 2.500 1.61521 58.4 r 5 = 50.5546 d 5 = 3.277 r 6 = -6.0844 L2 d 6 = 1.000 1.65222 33.6 r 7 = 5.4845 d 7 = 2.333 r 8 = 17.7756 L3 d 8 = 2.500 1.61521 58.4 r 9 = -8.1069 d 9 = 23.117 r 10 = 86.8200 d 10 = 1.000 1.81265 25.2 A1 r 11 = 17.1400 d 11 = 3.000 1.68637 44.2 r 12 = -30.5299 ───────────────────────── ─────────────
【００１３】図３は、図２の光学構造の断面図を示す。
尚、表１〜表２の数値例で使用されている符号に対応し
て、ｒi はレンズ半径，ｄi はレンズの厚さ、ｄi はレ
ンズ間隔をそれぞれ表している。FIG. 3 shows a cross-sectional view of the optical structure of FIG.
Corresponding to the reference numerals used in the numerical examples of Tables 1 and 2, r i represents the lens radius, d i represents the lens thickness, and d i represents the lens interval.
【００１４】図４は、第２の実施例として、直視反転プ
リズム系１７の形態をとって構成されている像アライメ
ント及びひとみ交換のための光学系を含む本発明による
アダプタ１を示す。検眼鏡検査用レンズ８により形成さ
れた眼底又は眼底の付近の眼の水晶体領域の中間像は、
屋根形縁部をもつ直視シュミット−ペッヒャンプリズム
１７を経て第１の中間像平面ＺＥ１のすぐ背後にアライ
メントされ、観察光路は交換される。反転プリズム１７
を、立体観察光路がまだ関与していないこの場所を配置
すると、総光路はこの箇所では最も狭い広がりしかもた
ないので、反転プリズム１７、すなわち、本発明による
アダプタ１を非常にコンパクトに構成することができる
のである。さらに、本発明によるアダプタ１おいては、
反転プリズム１７とアダプタの対物レンズ側端部との間
に集束レンズ１５が配置されている。この集束レンズ１
５は光軸に沿って摺動自在であり、眼の関心部分への集
束のために利用される。FIG. 4 shows, as a second embodiment, an adapter 1 according to the invention including an optical system for image alignment and pupil exchange, which is constructed in the form of a direct-inversion prism system 17. The intermediate image of the fundus formed by the ophthalmoscopic lens 8 or the crystalline lens region of the eye in the vicinity of the fundus is
Aligned directly behind the first intermediate image plane ZE1 via a direct-view Schmidt-Pechhan prism 17 with a roof-shaped edge, the observation light paths are exchanged. Inversion prism 17
If this location where the stereoscopic observation optical path is not yet involved is arranged, the total optical path has only the narrowest spread at this location, so that the reversing prism 17, that is, the adapter 1 according to the present invention, should be constructed very compactly. Can be done. Furthermore, in the adapter 1 according to the present invention,
The focusing lens 15 is arranged between the inverting prism 17 and the end of the adapter on the objective lens side. This focusing lens 1
5 is slidable along the optical axis and is used for focusing on a region of interest of the eye.
【図１】像アライメント及びひとみ交換のための光学系
がレンズ構造として構成されている本発明による検眼鏡
検査用アダプタを含む手術用顕微鏡を示す図。FIG. 1 shows a surgical microscope including an ophthalmoscopic examination adapter according to the invention in which the optical system for image alignment and pupil exchange is configured as a lens structure.
【図２】対応するレンズ構造を伴う図１の本発明による
検眼鏡検査用アダプタを示す図。2 shows the ophthalmoscope adapter according to the invention of FIG. 1 with a corresponding lens structure.
【図３】付随するレンズ半径、レンズ厚さ及びレンズ間
隔を記入した図２のレンズ構造の断面図。3 is a cross-sectional view of the lens structure of FIG. 2 with associated lens radius, lens thickness and lens spacing noted.
【図４】像アライメント及びひとみ交換のための直視反
転プリズムを含む本発明による検眼鏡検査用アダプタを
示す図。FIG. 4 shows an ophthalmoscopic examination adapter according to the invention including a direct-inversion prism for image alignment and pupil exchange.
１ 検眼鏡検査用アダプタ ４ａ、４ｂ 双眼鏡胴 ５ａ，５ｂ 主対物レンズ ８ 検眼用レンズ ９ａ，９ｂ，１０，１１，１２ レンズ １３ 手術用顕微鏡 １４ 光学系 １５ レンズ １７ 直視反転レンズ DESCRIPTION OF SYMBOLS 1 Adapter for ophthalmoscopic examination 4a, 4b Binocular body 5a, 5b Main objective lens 8 Lens for optometry 9a, 9b, 10, 11, 12 lens 13 Operating microscope 14 Optical system 15 Lens 17 Direct inversion lens
───────────────────────────────────────────────────── フロントページの続き (72)発明者 ユルゲン・リーゲル ドイツ連邦共和国 7082 オーベルコヒエ ン・ジルヒヤヴエーク・12 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Jürgen Riegel, Federal Republic of Germany 7082 Oberkochen Jillhijaväk 12
Claims (5)
は複数個の立体観察鏡胴（４ａ，４ｂ）とから構成され
る手術用顕微鏡（１３）の検眼鏡検査用アダプタ（１）
において， −アダプタ（１）の中に、眼底又は眼の水晶体領域の結
像のために、１個又は複数個の検眼鏡検査用レンズ
（８）が設けられていることと， −検眼鏡検査用レンズ（８）の背後に、像アライメント
及び観察光路の交換のための光学系（１４；９ａ，１
０，１１，１２，９ｂ；１７）が配置されていること
と， −前記光学系（１４；９ａ，１０，１１，１２，９ｂ；
１７）と、検眼鏡検査用アダプタ（１）の対物レンズ側
端部との間には、光軸に沿って摺動自在であり、眼の関
心部分への焦点合わせに使用されるレンズ（１５）が設
けられていることを特徴とする検眼鏡検査用アダプタ。1. An adapter (1) for ophthalmoscope examination of a surgical microscope (13) comprising a main objective lens (5a, 5b) and one or a plurality of stereoscopic observation lens barrels (4a, 4b).
In the adapter (1), one or more ophthalmoscopic lenses (8) are provided for imaging the fundus or the crystalline lens region of the eye; Behind the objective lens (8), an optical system (14; 9a, 1) for image alignment and exchange of the observation optical path.
0, 11, 12, 9b; 17) are arranged, and-the optical system (14; 9a, 10, 11, 12, 9b;
The lens (15) that is slidable along the optical axis between the objective lens side of the ophthalmoscopic examination adapter (1) and the objective lens side end of the ophthalmoscopic examination adapter (1) ) Is provided.
ｂ）と、それらの間に配置されており、正の屈折率を有
する２つのレンズ（１０，１２）及びその間に位置する
負の屈折率をもつレンズ（１１）から成るトリプレット
とから構成される光学構造の形態をとって形成されてい
ることを特徴とする請求項１記載の検眼鏡検査用アダプ
タ（１）。2. The optical system comprises two field lenses (9a, 9a).
b) and a triplet consisting of two lenses (10, 12) having a positive index of refraction arranged between them and a lens (11) of negative index located between them. Adapter (1) for ophthalmoscopic examination according to claim 1, characterized in that it is formed in the form of an optical structure.
０，１１，１２，９ｂ）は、レンズ半径ｒi ，レンズ厚
さｄi ，レンズ間隔ｄi 並びに屈折率ｎ（５４６ｎｍ）
及び使用するガラスの種類のアッベ数νe に関して、以
下の表に提示されている数値、又は下記の数値群に対応
して個々のパラメータを変更することによりそれに匹敵
するほど良好な結像効果をもたらすような値を有するこ
とを特徴とする請求項１又は２記載の検眼鏡検査用アダ
プタ。 表 （ｆ3 :ｆ1＝２．０，−ｆ2 ：ｆ1 ＝０．５４５） ──────────────────────────────────── レンズ 半 径 厚 さ 間 隔 屈折率 アッベ数 Linse Radius Dicks Abstand Brechungsindex Abbe-Zahl ｒi ／mm ｄi ／mm ｄi ／mm ｎ（５４６nm） νe ──────────────────────────────────── ｒ1 ＝ 42.9911 ｄ1 ＝3.000 1.68637 44.2 A2 ｒ2 ＝ -18.9821 ｄ2 ＝1.000 1.81265 25.2 ｒ3 ＝ -59.2871 ｄ3 ＝30.750 ｒ4 ＝ 6.4576 L1 ｄ4 ＝2.500 1.80730 46.1 ｒ5 ＝ -140.0550 ｄ5 ＝ 1.948 ｒ6 ＝ -8.7323 L2 ｄ6 ＝0.600 1.81265 25.2 ｒ7 ＝ 5.7935 ｄ7 ＝ 6.175 ｒ8 ＝ 925.3580 L3 ｄ8 ＝2.500 1.80730 46.1 ｒ9 ＝ -12.3903 ｄ9 ＝27.530 ｒ10＝ 86.8200 ｄ10＝1.000 1.81265 25.2 A1 ｒ11＝ 17.1400 ｄ11＝3.000 1.68637 44.2 ｒ12＝ -31.4353 ────────────────────────────────────3. A lens (9a, 1) used in an optical structure.
0, 11, 12, 9b) is the lens radius r i , the lens thickness d i , the lens interval d i , and the refractive index n (546 nm).
And, regarding the Abbe number ν e of the type of glass used, by changing the individual parameters corresponding to the numerical values shown in the following table or the following numerical value groups, a comparable good imaging effect can be obtained. The ophthalmoscopic examination adapter according to claim 1 or 2, wherein the adapter has a value that brings about the above value. Table (f 3: f 1 = 2.0 , -f 2: f 1 = 0.545) ─────────────────────────── ───────── Lens Half-diameter Thickness Interval Refractive index Abbe number Linse Radius Dicks Abstand Brechungsindex Abbe-Zahl r i / mm d i / mm d i / mm n (546nm) ν e ──── ──────────────────────────────── r 1 = 42.9911 d 1 = 3.000 1.68637 44.2 A2 r 2 = -18.9821 d 2 = 1.000 1.81265 25.2 r 3 = -59.2871 d 3 = 30.750 r 4 = 6.4576 L1 d 4 = 2.500 1.80730 46.1 r 5 = -140.0550 d 5 = 1.948 r 6 = -8.7323 L2 d 6 = 0.600 1.81265 25.2 r 7 = 5.7935 d 7 = 6.175 r 8 = 925.3580 L3 d 8 = 2.500 1.80730 46.1 r 9 = -12.3903 d 9 = 27.530 r 10 = 86.8200 d 10 = 1.000 1.81265 25.2 A1 r 11 = 17.1400 d 11 = 3.000 1.68637 44.2 r 12 = -31.4353 ─ ─────────── ────────────────────────
の交換を生じさせる直視反転プリズム系（１７）の形態
をとって又は機能の上で同等のミラー系として構成され
ていることを特徴とする請求項１記載の検眼鏡検査用ア
ダプタ（１）。4. The optical system is configured in the form of a direct-view inverting prism system (17) or as a functionally equivalent mirror system which causes image alignment and exchange of the viewing optical paths. The ophthalmoscopic examination adapter (1) according to claim 1.
−ペッヒャンプリズム（１７）の形態をとって又はそれ
に対応する光線経路をとるミラー系として構成されてい
ることを特徴とする請求項１及び４記載の検眼鏡検査用
アダプタ（１）。5. The optical system is constructed in the form of a Schmidt-Pechhan prism (17) with a roof-shaped edge or as a mirror system with a corresponding ray path. And an ophthalmoscopic examination adapter (1).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4114646A DE4114646C2 (en) | 1991-05-04 | 1991-05-04 | Ophthalmoscope attachment for a surgical microscope |
| DE4114646.8 | 1991-05-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05130974A true JPH05130974A (en) | 1993-05-28 |
| JP3208499B2 JP3208499B2 (en) | 2001-09-10 |
Family
ID=6431019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP09016792A Expired - Fee Related JP3208499B2 (en) | 1991-05-04 | 1992-03-17 | Ophthalmoscopic examination adapter for surgical microscope |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JP3208499B2 (en) |
| CH (1) | CH683875A5 (en) |
| DE (1) | DE4114646C2 (en) |
| FR (1) | FR2677461B1 (en) |
| GB (1) | GB2255651A (en) |
| IT (1) | IT1254344B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004510198A (en) * | 2000-09-26 | 2004-04-02 | カール−ツアイス−スチフツング | Image reversal system, ophthalmoscope auxiliary module, surgical microscope |
| JP2005037951A (en) * | 2003-07-17 | 2005-02-10 | Leica Microsystems (Schweiz) Ag | Microscope |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5735290A (en) | 1993-02-22 | 1998-04-07 | Heartport, Inc. | Methods and systems for performing thoracoscopic coronary bypass and other procedures |
| US6494211B1 (en) | 1993-02-22 | 2002-12-17 | Hearport, Inc. | Device and methods for port-access multivessel coronary artery bypass surgery |
| CH689968A5 (en) * | 1993-07-30 | 2000-02-29 | Zeiss Carl Fa | Monitoring and / or documentation device with upstream endoscope and method for its operation. |
| US5588949A (en) * | 1993-10-08 | 1996-12-31 | Heartport, Inc. | Stereoscopic percutaneous visualization system |
| US5957832A (en) * | 1993-10-08 | 1999-09-28 | Heartport, Inc. | Stereoscopic percutaneous visualization system |
| DE10038133A1 (en) * | 2000-08-04 | 2002-02-14 | Zeiss Carl Jena Gmbh | Optical arrangement for generating stereoscopic images |
| DE10140402B4 (en) | 2000-09-26 | 2012-08-30 | Carl Zeiss Meditec Ag | Image inversion system, ophthalmoscopy attachment module and surgical microscope |
| DE10332603B4 (en) * | 2003-07-17 | 2006-04-06 | Leica Microsystems (Schweiz) Ag | stereomicroscope |
| DE10332602B3 (en) * | 2003-07-17 | 2005-01-05 | Leica Microsystems (Schweiz) Ag | Stereo optical microscope for intraocular surgery has main objective followed by magnification system with perpendicualr optical axis |
| DE10336475B9 (en) | 2003-08-08 | 2006-09-07 | Carl Zeiss | microscopy system |
| DE102004050893B4 (en) * | 2003-10-31 | 2015-05-21 | Carl Zeiss Meditec Ag | Tube with two switchable planar optical elements for optional beam exchange and image reversal for a microscope and microscope |
| DE102004016946B4 (en) * | 2004-04-06 | 2007-09-20 | Carl Zeiss | Ophthalmoscopy attachment for a surgical microscope and surgical microscope |
| DE102005040471B4 (en) * | 2005-08-26 | 2007-06-21 | Leica Microsystems (Schweiz) Ag | microscope |
| ES2285949B1 (en) | 2006-12-29 | 2009-03-16 | Thyssenkrupp Norte, S.A. | SECURITY DEVICE FOR MOBILE RANGE. |
| EP1985227B1 (en) | 2007-04-27 | 2012-11-21 | Haag-Streit Ag | Optical component for a stereo microscope |
| EP2143729A1 (en) | 2008-07-07 | 2010-01-13 | Hyglos Invest GmbH | New enzymatic active enzyme against Clostridium |
| DE102009058792B3 (en) | 2009-12-18 | 2011-09-01 | Carl Zeiss Surgical Gmbh | Optical observation device for observing an eye |
| DE102010001853B4 (en) | 2010-02-11 | 2012-05-31 | Leica Microsystems (Schweiz) Ag | Attachment module for a microscope for observing the eye fundus |
| DE102017121085B3 (en) * | 2017-09-12 | 2019-01-31 | Carl Zeiss Meditec Ag | Eye Surgery Visualization System |
| JP2021507292A (en) * | 2017-12-19 | 2021-02-22 | アルコン インコーポレイティド | Image inverter for ophthalmic surgery microscope |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2744707C3 (en) * | 1977-10-05 | 1980-07-24 | Fa. Carl Zeiss, 7920 Heidenheim | Ophthalmological device for stereoscopic examination and photographic fundus |
| DE3507458A1 (en) * | 1985-03-02 | 1986-09-04 | Oculus-Optikgeräte GmbH, 6330 Wetzlar | STEREOMICROSCOPE FOR OPERATIONS |
| DE3528356A1 (en) * | 1985-08-07 | 1987-02-19 | Zeiss Carl Fa | DEVICE FOR EXAMINATION AND SURGERY OF THE FRONT AND REAR EYE SECTIONS |
| DE3539009A1 (en) * | 1985-11-02 | 1987-05-07 | Moeller J D Optik | Attachment for a stereoscopic surgical microscope for ophthalmic surgery |
| JP2642416B2 (en) * | 1988-06-24 | 1997-08-20 | 株式会社トプコン | Simultaneous stereoscopic fundus camera |
| DE3826069C2 (en) * | 1988-07-30 | 1997-04-24 | Oculus Optikgeraete Gmbh | Prism system for an ophthalmoscopic stereomicroscope |
| DE8902035U1 (en) * | 1989-02-21 | 1989-03-30 | J.D. Möller Optische Werke GmbH, 2000 Wedel | Stereoscopic surgical microscope |
| JP2927445B2 (en) * | 1989-04-14 | 1999-07-28 | 株式会社トプコン | Stereoscopic fundus camera |
| BE1003017A4 (en) * | 1990-03-29 | 1991-10-22 | K U Leuven Res & Dev Vzw | Apparatus for observing the eye comprising means for reversing the image. |
-
1991
- 1991-05-04 DE DE4114646A patent/DE4114646C2/en not_active Expired - Lifetime
-
1992
- 1992-03-13 CH CH802/92A patent/CH683875A5/en not_active IP Right Cessation
- 1992-03-17 JP JP09016792A patent/JP3208499B2/en not_active Expired - Fee Related
- 1992-04-13 GB GB9208125A patent/GB2255651A/en not_active Withdrawn
- 1992-04-30 IT ITRM920332A patent/IT1254344B/en active
- 1992-04-30 FR FR9205365A patent/FR2677461B1/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004510198A (en) * | 2000-09-26 | 2004-04-02 | カール−ツアイス−スチフツング | Image reversal system, ophthalmoscope auxiliary module, surgical microscope |
| JP2005037951A (en) * | 2003-07-17 | 2005-02-10 | Leica Microsystems (Schweiz) Ag | Microscope |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2677461A1 (en) | 1992-12-11 |
| CH683875A5 (en) | 1994-05-31 |
| ITRM920332A1 (en) | 1993-10-30 |
| ITRM920332A0 (en) | 1992-04-30 |
| GB2255651A (en) | 1992-11-11 |
| FR2677461B1 (en) | 1995-02-10 |
| GB9208125D0 (en) | 1992-05-27 |
| DE4114646A1 (en) | 1992-11-05 |
| IT1254344B (en) | 1995-09-14 |
| JP3208499B2 (en) | 2001-09-10 |
| DE4114646C2 (en) | 1996-02-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11369517B2 (en) | Device for machining an object by application of laser radiation | |
| JPH05130974A (en) | Testing adaptor for ophthalmoscope of surgical microscope | |
| US5321447A (en) | Ophthalmoscopic attachment for a surgical microscope | |
| US7453631B2 (en) | Three-dimensional medical imaging apparatus | |
| JP3541051B2 (en) | Illumination device for operating microscope and operating microscope | |
| US6598972B2 (en) | Stereomicroscopy system | |
| US3874774A (en) | Eye test apparatus | |
| JP4878114B2 (en) | Tube for microscope and microscope | |
| US6212006B1 (en) | Stereoscopic microscope | |
| JP3387551B2 (en) | Optometry device | |
| US4634241A (en) | Stereoscopic microscope | |
| US20030165012A1 (en) | Image reversion system, ancillary ophthalmoscopy module and surgical microscope | |
| JPH05337086A (en) | Crevice light microscope | |
| JP2005118561A (en) | Lighting and observing system | |
| US4403841A (en) | Apparatus for examining anterior portions of the eye | |
| US20220304767A1 (en) | Operating microscope and ophthalmic system | |
| JP2019066810A (en) | Front lens device and ophthalmic microscope | |
| JPH06167658A (en) | Stereoendoscope | |
| JP3619858B2 (en) | Stereoscopic microscope | |
| JPH09253049A (en) | Ophthalmometer | |
| WO2019066027A1 (en) | Front-end lens device and ophthalmic microscope | |
| US20240069320A1 (en) | Digital microscope for medical procedure | |
| JPS62166311A (en) | Stereomicroscope | |
| JP7430069B2 (en) | Ophthalmology equipment and ophthalmology system | |
| JPH0980316A (en) | Multiple visual-field microscope |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080713 Year of fee payment: 7 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080713 Year of fee payment: 7 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090713 Year of fee payment: 8 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100713 Year of fee payment: 9 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100713 Year of fee payment: 9 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110713 Year of fee payment: 10 |
|
| LAPS | Cancellation because of no payment of annual fees |