JPS5968505U

JPS5968505U - fundus camera

Info

Publication number: JPS5968505U
Application number: JP16231582U
Authority: JP
Inventors: 長野　隆
Original assignee: オリンパス光学工業株式会社
Priority date: 1982-10-28
Filing date: 1982-10-28
Publication date: 1984-05-09

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

[Brief explanation of drawings]

第１図は従来の前眼部観察系を示す概略図、第２図は本
考案による眼底カメラの第一の実施例を示す概略図、第
３図は本考案による第二の実施例の一部を示す概略図、
第４図は反射鏡と表示板との連動機構の一例を示す正面
図及び側面図、第５図及び第６図はチャートの形状の例
を示す図、第　　−７図は撮像管により撮像された前眼
部及びチャートを示す図である。１０・・・・・・観察用光源、１１・・・・・・コンデ
ンサレンズ、１２・・・・・・撮影用光源、１３．２４
・・・・・・リレーレンズ、１４・・・・・・反射鏡、
１５・・・・・・リングスリット、１６・・・・・・小
径反射鏡、１７．　２２．　２７・・間可動反射鏡、１
８・・・・・・対物レンズ、１９・・・・・・被検眼、
２０・・・・・・前眼部照明用光源、２１・・・・・・
前眼部観察光学系、２３・・・・・・表示板、２５・・
・・・・撮像管、２６・・・・・・撮影レンズ、２８・
・・・・・フィルム面。１ｇ　１８１７　−２．１ ’　　　　　−？ｎ）＠／一’ＶＶゴ「尤ゴーｍ＼＼Fig. 1 is a schematic diagram showing a conventional anterior segment observation system, Fig. 2 is a schematic diagram showing a first embodiment of a fundus camera according to the present invention, and Fig. 3 is a schematic diagram showing a second embodiment of the fundus camera according to the present invention. a schematic diagram showing the parts;
Figure 4 is a front view and side view showing an example of an interlocking mechanism between a reflecting mirror and a display board, Figures 5 and 6 are diagrams showing examples of chart shapes, and Figure 7 is an image taken by an imaging tube. FIG. 3 is a diagram showing the anterior segment of the eye and a chart. 10... Light source for observation, 11... Condenser lens, 12... Light source for photography, 13.24
...Relay lens, 14...Reflector,
15...Ring slit, 16...Small diameter reflecting mirror, 17. 22. 27... movable reflector, 1
8... Objective lens, 19... Eye to be examined,
20...Light source for anterior segment illumination, 21...
Anterior segment observation optical system, 23... Display board, 25...
...Image tube, 26...Photographing lens, 28.
...Film surface. 1g 1817 -2.1' -? n) @/ 1'VVgo “尤Gom ＼＼

Claims

[Scope of utility model registration request]

(1) In a fundus camera that has a fundus observation system and an anterior segment observation system and is configured to observe the fundus or anterior segment of the eye to be examined by switching the reflector, the appropriate A fundus camera characterized in that a shape chart is displayed within the observation field of view.

(2) A transparent display board with a removably inserted chart is provided at the imaging position of the anterior segment of the eye, and the display board is activated only when observing the anterior segment in conjunction with switching of the reflector. The fundus camera according to claim (1) of the utility model registration, characterized in that the fundus camera is inserted into the imaging position so that an image of the anterior segment and a chart can be observed through a relay lens. .

(3) A liquid crystal display that can display a chart is provided at the imaging position of the anterior segment of the eye, and the liquid crystal display is energized only when observing the anterior segment of the eye in conjunction with switching of the reflector. The fundus camera according to claim (1), which is a registered utility model, characterized in that a chart is displayed on the screen, and the image of the anterior segment and the chart can be observed through a relay lens.