JPH06237900A - Eyeground camera instrument - Google Patents

Abstract

PURPOSE:(J) To automatically select a camera, an optical path and a filter to use for respective objective content to improve the operability by selecting plurality of filter, camera and reflection mirror and setting up a pattern memory section to store the angle measurement for respective cases and a control section to operate them by a pattern designating means. CONSTITUTION:When a photograph-taking routine A is selected by operating a selection panel 31, filter driving section 3 and 24 are driven by a connecting section 29 based on the content of a memory section 30 and a filter for color photograph is inserted in the optical path by filter assemblies 4 and 24. And a reflection mirror driving section 9 drives a second driven reflection mirror 8 to be in a dotted line position. When a release switch 32 is pressed, a reflection mirror 7 drives a first driven reflection mirror 6 into a dotted line position. Then an optical path from a tested eye E to a color instant camera 19 is completed and a shutter driving section 19 of the color instant camera 19 is operated to record the eyeground image.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fundus camera device having a plurality of cameras for photographing the eyes of a subject.

[0002]

2. Description of the Related Art As a conventional fundus camera device, for example, there is one as shown in FIG. This fundus camera device includes an illumination system for illuminating a fundus F of an eye E, an observation and photographing system for observing and photographing the fundus F, and cameras 10, 16, 19, etc. provided in the observation and photographing system. And a control unit 29 for operating the. The illumination system includes a filter assembly 25 that includes a plurality of filters.
And a photographing illumination light source 26 and an observation illumination light source 28. The observation / photographing system includes a filter assembly 4 having a plurality of filters, a plurality of cameras 10,
16 and 19, the eyepiece lens 13, and the light reflected from the fundus F illuminated by the light sources 26 and 28 to a plurality of cameras 10, 1.
6, 19 or a plurality of driving reflecting mirrors 6, 8, 11, ... For guiding to the eyepiece lens 13, and a reflecting mirror driving unit 7, for driving the driving reflecting mirrors 6, 8, 11.
9 and 12. Each of the cameras 10, 16 and 19 has a shutter drive unit 10 for driving the respective shutter.
a, 16a, 19a are provided.

The control unit 29 includes the cameras 10, 16, 1
A release switch 32 for indicating the timing of driving the shutter 9 and a camera designation switch 33 for designating a camera to be used are connected. When the photographer uses this apparatus, first, the camera designation switch 33 is operated according to the photographed contents to operate the camera 19 to be used.
(Here, as an example, the Polaroid camera 19 is designated.) Is designated. Next, it is confirmed what kind of filter corresponds to the photographed content, and the filter assemblies 4 and 25 are manually rotated to set the filter according to the photographed content. Then, once the eye E to be inspected is seen through the eyepiece lens 13, the release switch 32 is pressed to perform fundus imaging. At this time, when the release switch 32 is pressed, the shutter drive unit 19a of the camera 19 designated by the camera designation switch 33 from the control unit 19 and the camera 1
A control signal is output to predetermined reflecting mirror driving units 7 and 9 so as to form an optical path for guiding the image of the fundus to 9, and the reflecting mirrors 6 and 8 are moved and the shutter of the camera 19 is pressed.

Subsequently, in the case of executing another shooting content, that is, shooting by another camera, the camera designating switch 33 is operated again, and the filter assemblies 4 and 25 are manually rotated, and then the release switch. Three
Press 2.

[0005]

However, in such a conventional apparatus, each time the photographed contents are changed, the photographer confirms the filter to be used, and then manually changes the filter according to the photographed contents. However, there is a problem that it is very inconvenient and inconvenient to use because the camera designation switch must be newly operated.

The present invention has been made in view of such conventional problems, and it is possible to eliminate the need for the photographer to confirm the filter to be used and to manually change the filter. The purpose is to provide.

[0007]

A fundus camera device for achieving the above object comprises a filter driving section for moving a plurality of filters so that one of the plurality of filters is inserted into an optical path. A plurality of reflecting mirror drive units provided for each of the plurality of reflecting mirrors for changing the angle of the reflecting mirrors, a plurality of shutter drive units provided for each of the plurality of cameras, and driving the shutters of the cameras; A memory that stores a pattern indicating which one of the plurality of filters is used, which one of the plurality of cameras is used, and which one of the plurality of reflecting mirrors should be formed at what angle. Section, a pattern designating means for designating which one of a plurality of patterns stored in the storage section is to be used, and a pattern designated by the pattern designating means. Depending on the filter drive section,
And a control unit that operates the shutter drive unit and the reflector drive unit.

Further, another fundus camera device for achieving the above-mentioned object includes a filter driving section for moving the plurality of filters so that one of the plurality of filters is inserted into an optical path. A plurality of reflecting mirror drive units provided for each reflecting mirror and changing the angle of the reflecting mirrors, a plurality of shutter drive units provided for each of a plurality of cameras, and driving the shutters of the cameras, and the number of times of photographing for each photographing content A measuring unit for measuring the number of times, which of the plurality of filters is used, which of the plurality of cameras is used, and which of the plurality of reflecting mirrors is used for each shooting content. Storage unit that stores a pattern indicating whether the angle should be set, the number of times of shooting for each shooting content, and a plurality of execution orders of a plurality of patterns, and a plurality of execution orders stored in the storage unit. Of the execution order designating means for designating which execution order is to be used, and the number of times of measurement by the number of times measurement section so that a plurality of patterns are sequentially executed in accordance with the execution order designated by the execution order designating means. When the number of times of photographing performed reaches the number of times of photographing stored in the storage unit, a pattern is switched, and a control unit that operates the filter driving unit, the shutter driving unit, and the reflecting mirror driving unit according to the pattern. It is characterized by having.

Here, it is desirable that this fundus camera device is provided with a number correction unit for correcting the number of times of photographing measured by the number measurement unit.

[0010]

With the device having the pattern designating means, first, the pattern designating means is used to designate a desired pattern according to the contents of photographing. If a pattern is specified,
The control unit reads the contents of this pattern stored in the storage unit and controls each drive unit. That is, the reflecting mirror drive unit is driven so that the target optical path is formed, the angle of the reflecting mirror is changed, the filter drive unit is driven, the target filter is inserted into the optical path, and the target camera is ready to shoot. (Press the release switch to activate the shutter of this camera). In this way, when the pattern is designated according to the shooting content, the camera and the optical path to be used are automatically selected, and the filter is also automatically selected, which improves usability.

Further, in the case of having the execution order designating means, first of all, the execution order designating means is used to specify any one of a plurality of types of execution order regarding a predetermined photographing content. When the execution order is designated, the control unit reads the execution order stored in the storage unit, reads the content of the pattern regarding the imaging content to be executed first, and based on this pattern, the reflecting mirror drive unit, The filter drive unit and the shutter drive unit are controlled. The number of times of shooting related to this shooting content is measured by the number-of-times measuring unit. When the number of shooting times reaches the number of shooting times stored in the storage unit, the control unit determines from the storage unit the content of the pattern related to the next shooting content to be executed. Reading is performed, and the reflecting mirror driving unit, the filter driving unit, and the shutter driving unit are controlled based on this pattern. When the above operation is repeated and the shooting of the shooting content to be executed last, which is determined in the specified execution order, is executed, all the operations are completed. As described above, in the device including the execution order designating unit, if the type of the execution order of the shooting pattern is selected, the shooting contents are automatically changed, so that various operations accompanying the change of the shooting contents can be omitted. The usability can be further improved.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Various embodiments of the fundus camera device according to the present invention will be described below with reference to FIGS. First,
Regarding the first embodiment of the fundus camera device according to the present invention,
It will be described with reference to FIG.

The fundus camera device of this embodiment is provided in an illumination system for illuminating the fundus F of the eye E, an observation and photographing system for observing and photographing the fundus F, and an illumination system and an observation and photographing system. And a control system for controlling various driving units. The illumination system includes an objective lens 1, a perforated mirror 2 having a through hole formed in the center, a relay lens 20, a ring diaphragm 21, a fixed mirror 22, and a condenser lens 23.
An illumination filter assembly 25 having a plurality of types of filters built therein, a filter driving section 24 for rotating the same, an imaging illumination light source 26, and a condenser lens 2
7 and an observation illumination light source 28.

The observation / photographing system includes an objective lens 1 (which is also a component of the illumination system), an observation / photographing filter assembly 4 incorporating a plurality of types of filters, a filter driving unit 3 for rotating the same. Focusing lens 5 and black and white 3
A 5 mm camera 16, an eyepiece lens 13, a plurality of driving reflecting mirrors 6, 8 and 11, reflecting mirror driving units 7, 9 and 12 for driving these driving reflecting mirrors 6, 8 and 11, and a fixed reflecting mirror. It is configured to have lenses 15 and 17, and lenses 14 and 15.

The first driving reflecting mirror 6 reflects the reflected light from the fundus F into the color instant camera 19 and the color 35 mm.
It is a reflecting mirror for selectively guiding one of the camera 10 side and the black and white 35 mm camera 16 and the eyepiece lens 13 side. The second drive reflecting mirror 8 selectively guides the reflected light from the fundus F guided to the color instant camera 19 and the color 35 mm camera 10 side to the color instant camera 19 side or the color 35 mm camera 10 side. It is a reflector for. In addition, the third drive reflecting mirror 11
Is the black and white 35 mm camera 16 and the reflected light from the fundus F guided to the black and white 35 mm camera 16 and the eyepiece 13 side.
Side, or a reflecting mirror for selectively guiding to the eyepiece lens 13 side. Each camera is provided with shutter drive units 10a, 16a, 19a for driving the respective shutters.

The control system is shown by a release switch 32 for indicating the timing of driving the shutters of the cameras 10, 16, 19, a counter 35 for measuring the number of times the release switch 32 is pressed, and a counter 35. A count correction switch 36 that reduces the number of counts by one, a storage unit 30 that stores a plurality of execution sequences (shooting routines) of various shooting modes, and a shooting routine of one of the plurality of shooting routines. Selection panel 31 for selecting, etc., and the filter drive units 3, 24, to execute the photographing routine selected by the selection panel 31.
Reflector drive units 7, 9, 12 and shutter drive unit 10a,
16a and 19a, and the control part 29 which controls.

Here, the photographing routine will be specifically described below. Generally, a subject who receives fundus photography needs only to take a color instant photo, a color instant photo and a color 35 m depending on the necessity of the examination.
For those who need m photography, color instant photography, color 35mm photography, red-free 35mm photography and fluorescence 3
It can be roughly divided into those who need 5mm shooting. Therefore, for example, the shooting routine A is a routine in which after four instant photos are taken, a sound indicating the end is issued, and the shooting routine D is taken after four instant photos and 10 color 35 mm images are taken, and then red. Free 35m
The routine is such that two m images are taken, 34 fluorescent 35 mm images are taken, and then a sound or the like is made to signal the end. The storage unit 30 stores the plurality of types of shooting routines, the types of cameras and the types of filters in each shooting mode (color instant photo shooting mode, color 35 mm shooting mode, red-free 35 mm shooting mode, fluorescent 35 mm shooting mode). The angle of the driving reflecting mirror, the number of times of photographing, and the illumination light source are stored. Further, the storage unit 30 also stores the type of filter when observing the eye to be inspected (observation mode), the angle of the driving reflecting mirror, and the type of illumination light source.

Next, the operation of the fundus camera device of this embodiment will be described. First, the selection panel 31 is operated to select the observation mode. When this mode is selected, the contents of the observation mode stored in the storage unit 30 are changed to the control unit 29.
The observation illumination light source 28 is turned on according to an instruction from the control unit 29, and the respective reflecting mirror driving units 7 and 12 are driven to move the first driving reflecting mirror 6 to the position indicated by the solid line in FIG. The third drive reflecting mirror 11 moves to the position indicated by the solid line in FIG. Further, the filter driving sections 3 and 24 are driven to rotate the filter assemblies 4 and 25 so that, among the plurality of filters incorporated in the filter assemblies 4 and 25, a filter suitable for observation is in the optical path. Let

When the observation illumination light source 28 is turned on, the light passes through the selected filter in the illumination filter assembly 25, the ring diaphragm 21, and then is reflected by the perforated mirror 2 and passes through the objective lens 1. , Fundus F of eye E to be examined
Illuminate. The reflected light from the fundus F passes through the objective lens 1, the through-hole of the perforated mirror 2, the filter selected in the observation and photography filter assembly 4, and the focusing lens 5, and the first driving reflecting mirror 6 and It is reflected by the third driving reflecting mirror 11 and reaches the eyepiece lens 13.

After the predetermined observation is finished, what kind of examination should be finally carried out is examined to decide which of a plurality of kinds of photographing routines should be performed. Then, the selection panel 31 is operated to select the shooting routine. When the photographing routine is selected, the contents of the selected photographing routine among the photographing routines stored in the storage unit 30 are read by the control unit 29, and this photographing routine is executed.

Here, it is assumed that the photographing routine A is selected by operating the selection panel 31, for example. Then, the content of the shooting routine A stored in the storage unit 30 is changed to the control unit 2
9, the filter driving units 3 and 24 are driven by an instruction from the control unit 29, and the color photographing filter is inserted into the optical path. Further, the reflecting mirror driving unit 9 drives so that the second driving reflecting mirror 8 is located at the position indicated by the dotted line. When the release switch 32 is pressed, the reflecting mirror driving section 7 is driven to bring the first driving reflecting mirror 6 to the position indicated by the dotted line, the optical path from the eye E to be examined to the color instant camera 19 is completed, and the photographing light source 26 is instantaneously moved. While being turned on, the shutter drive unit 19a of the color instant camera 19 is driven, and the color instant camera 19 records a fundus image. After that, each time the release switch 32 is pressed, the same photographing is performed four times. The number of times the release switch 32 is pressed is measured by the counter 35.
When the count number of 5 reaches "4", the control unit 29 makes a sound to notify the end and clears the count number of the counter 35 to "0".

It is also assumed that the photographing routine D is selected by operating the selection panel 31, for example. Then, until the release switch 32 is pressed four times, the fundus image is recorded by the color instant camera 19 and the number of times the release switch 32 is pressed is measured by the counter 35, as in the shooting routine A. In the recording unit 30,
Since the color instant photo shooting mode is recorded as four times, when the count number of the counter 35 reaches "4", the mode is switched to the color 35 mm shooting mode. Then,
In response to an instruction from the control unit 29, the reflecting mirror driving unit 9 is driven to bring the second driving reflecting mirror 8 to the position indicated by the solid line. And
When the release switch 32 is pressed, the first drive reflecting mirror 6 becomes the position of the dotted line, the photographing light source 26 is momentarily turned on, and the fundus image is recorded on the color 35 mm camera 10. After that,
Every time the release switch 32 is pressed, the same photographing is performed 10 times. When 10 times of color 35 mm film photographing is executed, the control unit 29 controls the red-free 35 mm film.
Switch to shooting mode. When switching to this photography mode, the filter drive units 3 and 2 are instructed by the control unit 29.
4 is driven, and the red-free photographing filter is inserted in the optical path. When the release switch 32 is pressed, the third drive reflecting mirror 11 becomes the position of the dotted line, the photographing light source 26 is momentarily turned on, and red-free photographing is performed by the monochrome 35 mm camera 16. After that, each time the release switch 32 is pressed, the same shooting is performed twice. After two times of red-free photographing, the control unit 29 switches to the fluorescence 35 mm photographing mode, drives the filter driving units 3 and 24, and presses the release switch 32 for inserting the fluorescence photographing filter into the optical path. According to an instruction from the unit 29, the reflecting mirror driving unit 12 is driven to bring the third driving reflecting mirror 11 to the position indicated by the dotted line, the photographing light source 26 is momentarily turned on, and the fundus image is recorded on the black and white 35 mm camera 16. After that, release switch 3
The same photographing is performed 34 times each time the button is pressed twice. 34
After the second photographing, the control unit 29 emits a sound or the like to notify the end.

By the way, during the continuous shooting as described above, for example, the timing of pressing the release switch 32 is incorrect.
When the eye E to be inspected is closed, a mistake may be made in photographing such as photographing. In such a case, if the above photographing routine is perfectly executed, it becomes impossible to obtain the desired number of photographs. Therefore, when a photographing mistake is made, the counter correction switch 36 is pressed. When this switch 36 is pressed, the counter 3
Since the count number of 5 is decreased by 1, the count number of the mistaken photographing is not substantially counted. Therefore, for example, even if one shooting mistake is made during the execution of the color instant photo shooting mode, by pressing the count correction switch 36, the count number of the counter 35 is decreased by one, and the target number of photos is reduced by one. You can get four. At this time, the number of images to be taken in the color instant photo taking mode is five, including the number of taking mistakes.

As described above, according to the present embodiment, by selecting a desired photographing routine from a plurality of photographing routines, it is not necessary to perform a special operation each time the mode is switched, and the usability is improved. You can Further, since the filter is automatically selected according to the shooting mode, it is not necessary to perform the filter selection work, and the troublesomeness of the filter selection can be reduced.

In the present embodiment, the storage content of the storage unit 30 is stored in advance, but the storage content of the storage unit 30 is changed by operating the selection panel 31, for example, shooting in each mode. The number of times may be changed, the storage content of the storage unit 30 may be added, and, for example, a shooting routine may be added.

Next, the second embodiment of the fundus camera device according to the present invention.
The embodiment will be described with reference to FIG. The present embodiment is different from the first embodiment in the contents stored in the storage unit 30a of the control system, and other basic configurations, particularly, the configurations of the illumination system and the observation / photographing system are the same as those of the first embodiment. The configuration is the same as the example.

The control system of the fundus camera device of this embodiment includes a release switch 32, a storage section 30a in which various shooting mode contents are stored, a mode switching switch 33a for switching shooting modes, and a mode reset switch. 34 and a control unit 29a that controls each drive unit based on the stored contents stored in the storage unit 30a.

The storage unit 30a stores the observation mode, the color instant photography mode, the color 35 mm photography mode, and the red-free 35 m described in the first embodiment.
The contents of the m shooting mode and the fluorescence 35 mm shooting mode are stored. The modes are stored in the storage unit 30a so that the modes are executed in the order shown above. In the storage unit 30a, as in the first embodiment, the target number of times of shooting in each shooting mode and a plurality of types of shooting routines are stored.
Not remembered.

First, the mode reset switch 34 is pressed to set the mode to the observation mode, and the eye E to be examined is observed.
Next, the mode changeover switch 33 is pressed to change the mode from the observation mode to the color instant photography mode.
In the shooting mode, as described above, the camera, the optical path, and the filter corresponding to the shooting mode are automatically selected, and the shooting is performed each time the release switch 32 is pressed. When the photographing in the color instant photography mode has been performed a desired number of times, the mode changeover switch 33 is pressed again to change the mode from the color instant photography mode to the 35 mm color photography mode. At this time, color 3
When it is not necessary to perform 5 mm shooting, that is, when it is desired to change the mode from the color instant photo shooting mode to the red free 35 mm shooting mode, the mode switch 33 is pressed twice. In this embodiment, the above operation is repeated to select and execute various modes.

As described above, also in the present embodiment, as in the first embodiment, the filter is automatically selected according to the photographing mode, so that it is not necessary to perform the filter selection work. The annoyance of can be reduced.

Although various embodiments according to the present invention have been described above, in the above embodiments, the control of the insertion / removal of the auxiliary lens and the control of the insertion / removal of the variable power lens for performing the medical chart imaging before the fluorescence imaging. It is possible to further improve the usability of the device by adding the above items.

[0032]

According to the present invention, the camera and the optical path to be used are automatically selected and the filter is also automatically selected according to the contents of photographing, so that usability can be improved.

Further, in another invention, if the type of the execution order of the photographing pattern is selected, the photographing contents are automatically changed, so that various operations associated with the change of the photographing contents can be omitted and the usability is further improved. Can be made.

[Brief description of drawings]

FIG. 1 is an explanatory diagram showing a configuration of a fundus camera device according to a first embodiment of the present invention.

FIG. 2 is an explanatory diagram showing a configuration of a fundus camera device according to a second embodiment of the present invention.

FIG. 3 is an explanatory diagram showing a configuration of a conventional fundus camera device.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Objective lens, 2 ... Perforated mirror, 3, 24 ... Filter drive part, 4, 25 ... Filter assembly, 5 ... Focusing lens, 6 ... 1st drive reflection mirror, 7, 9, 12 ... Reflection mirror drive Part, 8 ... second reflecting mirror, 10 ... color 35 mm camera,
10a, 16a, 19a ... Shutter drive unit, 11 ... Third
Mirror, 13 ... Eyepiece lens, 16 ... Monochrome 35mm camera, 19 ... Color instant camera, 26 ... Imaging illumination light source, 28 ... Observation illumination light source, 30, 30a ... Storage section, 31 ... Selection panel, 32 ... Release Switch, 33
... Camera designation switch, 33a ... Mode selection switch,
34 ... Mode reset switch, 35 ... Counter, 36
… Count correction switch.

Claims (3)

[Claims] 1. A plurality of cameras for photographing an eye of a subject, a plurality of filters for light incident on the cameras, and one optical path selectively from a plurality of optical paths of the light incident on the plurality of cameras. In a fundus camera device including a plurality of reflecting mirrors for setting, a filter driving unit that moves a plurality of the filters so that one of the plurality of filters is inserted into the optical path, A plurality of reflecting mirror drive units which are provided for each of the reflecting mirrors and change the angle of the reflecting mirrors; a plurality of shutter drive units which are provided for each of the plurality of cameras and drive shutters of the cameras; A pattern of which of the plurality of filters is used, which of the plurality of cameras is used, and which of the plurality of reflecting mirrors should be at what angle A storage unit that stores, a pattern designating unit that designates which pattern is to be used among the plurality of patterns stored in the storage unit, and according to the pattern designated by the pattern designating unit, A fundus camera device, comprising: a control unit that operates the filter drive unit, the shutter drive unit, and the reflector drive unit. 2. A plurality of cameras for photographing an eye of a subject, a plurality of filters for light incident on the cameras, and one optical path selectively from a plurality of optical paths of the light incident on the cameras. In a fundus camera device including a plurality of reflecting mirrors for setting, a filter driving unit that moves a plurality of the filters so that one of the plurality of filters is inserted into the optical path, A plurality of reflecting mirror drive units which are provided for each of the reflecting mirrors and change the angle of the reflecting mirrors; a plurality of shutter drive units which are provided for each of the plurality of cameras and drive shutters of the cameras; Of the plurality of filters, which of the plurality of filters to use, which of the plurality of cameras to use, and which of the plurality of reflecting mirrors A storage unit that stores a pattern indicating what angle each of these reflecting mirrors should have, the number of times of shooting for each shooting content, and a plurality of execution orders of a plurality of patterns, and a storage unit that stores the storage unit. Of the plurality of execution orders, the execution order designating means for designating which execution order is to be used, and the number of times so that the plurality of patterns are sequentially executed according to the execution order designated by the execution order designating means. When the number of times of photographing measured by the measuring unit reaches the number of times of photographing stored in the storage unit, the pattern is switched, and the filter driving unit, the shutter driving unit, and the reflecting mirror driving unit are operated according to the pattern. A fundus camera device comprising: a controller. 3. The fundus camera device according to claim 2, further comprising a number correction unit that corrects the number of times of photographing measured by the number measurement unit.