JPH07124110A - Ophthalmological device - Google Patents

Abstract

PURPOSE:To use the device as the one for every kind of application by providing an optical system to insepct an eye to be inspected an inspecting instrument main body equipped with a control system, and an accessory unit provided with an electrical contact in accordance with the electrical contact arranged to supply driving electricity to the inspecting device main body and an attaching/detaching means. CONSTITUTION:The lower part of a measuring part main body 1 which houses the optical system shared with the device for every kind of application and the control system is formed in clipping shape so as to be used as a portable type, and an engaging part 7 to be engaged with a mounting member 12 is formed at the power part of a clip. A light source 10 used as the portable one is formed in such a way that the mounting member 12 is fixed on a battery 11, and the battery 11 can be mounted by sliding the mounting member 12 fitting in the engaging part 7 of the measuring part main body 1. Contacts 13a, 13b for power source, contacts 13c, 13d for communication, and contacts 13e, 13f for unit detection are provided at the mounting member 12, and the contacts are also provided at the engaging part 7 on the lower side of the measuring part main body 1 correspondingly, respectively.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ophthalmologic apparatus for inspecting an eye to be examined.

[0002]

2. Description of the Related Art As a device for inspecting an eye to be inspected, an eye refraction measuring device, a cornea shape measuring device and the like are known. These devices are composed of many parts such as a measuring part, an observing part, a display part and a recording part, but the conventional mainstream is a stationary type. Recently, due to the rapid progress of electronics, electric parts have been downsized, and handheld parts are also known. The handheld device is useful for inspecting an elderly person who is difficult to move to the examination room. In this way, different types of devices such as a stationary type and a handheld type can be used properly depending on the condition of the subject and the place to be inspected.

[0003]

However, in the conventional device, since these different types of devices are configured as dedicated devices, only one fixed type can be used. Therefore, for example, However, even with a device having the same function of corneal shape, it was necessary to prepare a plurality of devices for each type. This has the drawback of being wasteful both spatially and economically.
It is an object of the invention to provide an ophthalmic device which can be used as various types of device.

[0004]

In order to achieve the above object, the present invention is characterized by having the following constitution. (1) In an ophthalmologic apparatus for inspecting an eye to be inspected, an inspection apparatus main body including an optical system and a control system for inspecting the eye to be inspected, a mounting member detachable from the inspection apparatus main body, the mounting member, and It has a pair of contacts for power supply provided in the inspection device main body, the mounting member is fixed to a device having a power source, and the inspection device main body is attached to the device having a power source through the mounting member for use. And

(2) The device having the power source of (1) has a battery, and the ophthalmologic apparatus can be used as a handheld apparatus.

(3) The device having the power source of (1) is characterized in that it is a sliding mount.

(4) The ophthalmologic apparatus of (1) is further characterized by further having a pair of communication contacts provided on the attachment member and the inspection apparatus body.

(5) The ophthalmologic apparatus of (1) is further characterized by further comprising detection means for detecting the type of apparatus having a power source for fixing the mounting member.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a configuration explanatory view of a corneal shape measuring apparatus according to an embodiment. Reference numeral 1 denotes a measuring unit main body that is commonly used by various types of devices. The measuring unit main body 1 stores an optical system for measurement and observation, and an electrical system for control and arithmetic processing, which will be described later. There is. Reference numeral 2 denotes a measurement window, and the examiner observes the eye to be inspected through the measurement window 2 and the observation window 3 to perform alignment. A switch group 4 is provided with switches such as a measurement start switch. Reference numeral 5 is a liquid crystal display for displaying measurement results and the like. Reference numeral 6 denotes a measurement value transfer switch that is pressed when transmitting measurement data to a printer or the like (not shown). The measuring unit body 1 has a grip-like lower portion so that it can be held by one hand so that it can be used as a hand-held type. The lower part of the grip is a mating portion 7 for mating a mounting member described later.
Are formed.

Reference numeral 10 is a power source for use as a handheld type. The power source 10 includes a battery 11 and a mounting member 12.
It consists of An attachment member 12 for attaching the battery 11 to the mating portion 7 of the measuring unit body 1 is fixed,
It has an integrated structure. The battery 11 is a mounting member 1
It can be attached to the measuring unit main body 1 by sliding 2 together with the mating portion 7 of the measuring unit main body 1. The mounting member 12 is provided with contacts 13a, 13b for power supply, contacts 13c, 13d for communication, and contacts 13e, 13f for unit detection, which are also provided at positions corresponding to the mating parts below the measuring unit main body 1, respectively. The illustrated contacts are provided. Further, this contact has an upward biasing spring, and
When attached to, it will come into close contact with the contact of the other party.

FIG. 2 is a schematic layout view of an optical system arranged in the measuring section main body 1. Reference numeral 21 is an eye to be inspected, and 22 is an eye to be inspected. The examiner's eye 22 magnifies and observes the subject's eye 21 via the observation lens 23. Reference numeral 24 is an optotype plate on which an alignment mark (not shown) is formed, and 25 is an optotype plate illumination light source. The light beam of the alignment mark that has passed through the optotype plate 24 when the optotype plate illumination light source 25 is turned on causes the beam splitter 2 to
It reflects at 6 and goes to the examiner's eye 22. Reference numeral 27 denotes an optotype projection optical system for measuring the shape of the cornea, and four sets are arranged at 90 degree intervals on the same circumference centered on the observation optical axis. The respective target projection optics 27a to 27d (27b and 27c are not shown)
It is composed of an LED 28 that emits light in the near infrared region, a spot diaphragm 29, and a collimator lens 30. Reference numeral 31 denotes a cornea-shaped detection optical system, and various known detection optical systems can be used, but the description thereof is omitted because it is not directly related to the present invention. Reference numeral 32 denotes LEDs arranged on the same circumference centered on the observation optical axis at intervals of 30 degrees. Each L
The ED is provided with a spot diaphragm 33 and a collimator lens 34, and the entire corneal reflection image is used as a microphone.

The operation of the apparatus having the above-mentioned configuration when the measuring section body 1 is used as a handheld type will be described with reference to the control system block diagram of the measuring section body 1 in FIG. The mounting member 12 having an integral structure with the battery 11 is attached to the measuring unit main body 1
It is slid to the mating part 7 and is mated. Power contact 1
Power is supplied to the measuring unit main body 1 via 3a and 13b,
The microcomputer 41 operates. The microcomputer 41 receives signals from the unit detection contacts 13e and 13f, and uses the power supply unit 1 for handheld use.
Detects that 0 is connected. Unit detection contact 1
3e and 13f are connected to the positive power supply potential or the ground potential, and the connected unit is read by the combination thereof. The detection of this unit is used as a signal to start the program that operates this special function when a special function (right / left discrimination function or sagittal measurement) is given by a connected unit such as a handheld type or a gantry type. It

The microcomputer 41 has a driver 42.
The optotype plate illumination light source 25 is turned on to display the alignment mark to the inspector, and the microphone illumination light source 32 is turned on via the driver 43 to form the earrings on the subject's eye. The examiner aligns the anterior segment of the eye to be inspected with the alignment mark in a predetermined relationship. When the alignment is completed, the measurement start switch 4 is pressed, and the microcomputer 41 receives the signal and turns on the LED 28 via the driver 44 to project the measurement target onto the eye to be examined. The photodetection element of the measurement optical system 31 detects the incident position via the driver 45, and the microcomputer 41 performs a predetermined calculation process based on the detection result to obtain a measurement value. The measured value is displayed via the driver 46.
Is displayed in. Next, press the measured value transfer switch 6,
The measured value is sent to the power source unit 10 via the communication contacts 13c and 13d of the mounting member 12, and the power source unit 10 sends the measured value to an external printer unit by a transmitting means (not shown). The communication from the power supply unit 10 to the printer unit can be performed by a known method such as wire, light, or radio wave. The measuring unit body 1 as described above can be used by being connected to the power supply unit 10 and also to a stand or a slit lamp.

FIG. 4 is a diagram showing an example in which the measuring unit main body 1 is attached to a gantry for use. Reference numeral 50 denotes a gantry unit, and the gantry unit 50 has a top plate 51, a gantry base 51 that moves with respect to the top plate 51, an arm 53 extending upward from the gantry base 51, and a joystick 54. The mounting member 12a is fixed to the top of the gantry arm 51,
The structure is such that power is supplied to the arm 53.

FIG. 5 to FIG. 6 are views showing an example in which the measuring unit main body 1 is mounted on the slit lamp 60 for use.
Reference numeral 61 denotes a slit lamp dedicated arm for attaching the measuring unit body 1 to the slit lamp 60.
As shown in FIG. 7, reference numeral 1 denotes a slit lamp mounting shaft 62, an arm supporting base 63, a base 64, a slide bar 65 that allows the distance between the arm supporting base 63 and the base 64 to expand and contract, and a mounting member 12b mounted on the base 64. Composed.

According to the present invention, the inspection device main body and the mounting member are configured to be detachable and the power is supplied through the mounting member. Therefore, it is not necessary to fix and use the device as one type of device. Can be used as various types of equipment

[0016]

[Brief description of drawings]

FIG. 1 is a structural explanatory view of a corneal shape measuring apparatus according to an embodiment.

FIG. 2 is a schematic layout diagram of an optical system arranged in the measurement unit main body 1.

FIG. 3 is a block diagram of a control system of a measuring unit main body.

FIG. 4 is a diagram showing an example of a case where the measuring unit main body is attached to a gantry for use.

FIG. 5 is a view showing an example of a case where the measuring unit main body is mounted on a slit lamp for use.

FIG. 6 is a diagram showing an example of a case where the measuring unit main body is mounted on a slit lamp for use.

FIG. 7 is an explanatory diagram of a dedicated arm when the measuring unit main body is mounted on a slit lamp for use.

[Explanation of symbols]

 1 Measuring Part Main Body 7 Fitting Part 10 Power Supply Part 11 Battery 12 Mounting Member 13a, 13b Power Supply Contact 13c, 13d Communication Contact 13e, 13f Unit Detection Contact 28 LED 31 Detection Optical System 41 Microcomputer 50 Stand 60 Slit Lamp

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[Procedure amendment]

[Submission date] November 30, 1994

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be amended] Claims

[Correction method] Change

[Correction content]

[Claims]

[Procedure Amendment 2]

[Document name to be amended] Statement

[Name of item to be corrected] 0003

[Correction method] Change

[Correction content]

[0003]

However, in the conventional device, since these different types of devices are constructed as dedicated devices, only one fixed type can be used. Even for devices with the same function of corneal shape, it was necessary to prepare multiple devices for each type. This has the drawback of being wasteful both spatially and economically. It is an object of the invention to provide an ophthalmic device which can be used as various types of device.

[Procedure 3]

[Document name to be amended] Statement

[Correction target item name] 0004

[Correction method] Change

[Correction content]

[0004]

In order to achieve the above object, the present invention is characterized by having the following constitution. (1) In an ophthalmologic apparatus that inspects the eye to be inspected,
Inspection device book having inspection optical system and control means for inspection
Body and the inspection device body to supply driving electricity.
Electrical contacts and corresponding to the installed power contacts.
And has an attaching / detaching means for freely attaching / detaching to / from the inspection apparatus body.
With an accessory unit, the accessory unit is a handheld type
, Multiple types for other equipment mounting type
And replace it to share the inspection device body.
Characterized in that that.

[Procedure amendment 4]

[Document name to be amended] Statement

[Name of item to be corrected] 0005

[Correction method] Change

[Correction content]

(2) The auxiliary unit of (1) has a battery
It has a handheld accessory unit that holds

[Procedure Amendment 5]

[Document name to be amended] Statement

[Correction target item name] 0006

[Correction method] Change

[Correction content]

(3) The attached unit of (1) is slid
Sliding mount type attachment with detachable means for attaching to the mount
It is characterized by having a unit .

[Procedure correction 6]

[Document name to be amended] Statement

[Correction target item name] 0007

[Correction method] Change

[Correction content]

(4) The ophthalmologic apparatus according to (1) is further described above.
It is characterized by having a plurality of communication contacts provided in the accessory unit and the inspection apparatus main body.

[Procedure Amendment 7]

[Document name to be amended] Statement

[Correction target item name] 0008

[Correction method] Change

[Correction content]

(5) The ophthalmologic apparatus according to (1) is further described above.
The accessory unit has a detection means for detecting something .

[Procedure Amendment 8]

[Document name to be amended] Statement

[Correction target item name] 0009

[Correction method] Change

[Correction content]

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a configuration explanatory view of a corneal shape measuring apparatus according to an embodiment. Reference numeral 1 denotes a measuring unit main body that is commonly used by various types of devices. The measuring unit main body 1 stores an optical system for measurement and observation, and an electrical system for control and arithmetic processing, which will be described later. There is. Reference numeral 2 denotes a measurement window, and the examiner observes the eye to be inspected through the measurement window 2 and the observation window 3 to perform alignment. A switch group 4 is provided with switches such as a measurement start switch. Reference numeral 5 is a liquid crystal display for displaying measurement results and the like. Reference numeral 6 denotes a measurement value transfer switch that is pressed when transmitting measurement data to a printer or the like (not shown). The measuring unit body 1 has a grip-like lower portion so that it can be held by one hand so that it can be used as a hand-held type. The lower part of the grip is formed with a mating portion 7 for mating a mounting member described later.

[Procedure Amendment 9]

[Document name to be amended] Statement

[Correction target item name] 0011

[Correction method] Change

[Correction content]

FIG. 2 is a schematic layout view of an optical system arranged in the measuring section main body 1. Reference numeral 21 is an eye to be inspected, and 22 is an eye to be inspected. The examiner's eye 22 magnifies and observes the subject's eye 21 via the observation lens 23. Reference numeral 24 is an optotype plate on which an alignment mark (not shown) is formed, and 25 is an optotype plate illumination light source. The light beam of the alignment mark that has passed through the optotype plate 24 when the optotype plate illumination light source 25 is turned on causes the beam splitter 2 to
It reflects at 6 and goes to the examiner's eye 22. Reference numeral 27 denotes an optotype projection optical system for measuring the shape of the cornea, and four sets are arranged at 90 degree intervals on the same circumference centered on the observation optical axis. Each target projection
Optical systems 27a to 27d (27b and 27c are not shown)
Is an LED 28 that emits light in the near infrared region, and a spot diaphragm 2
9 and the collimator lens 30. Reference numeral 31 denotes a cornea-shaped detection optical system, and various known detection optical systems can be used, but the description thereof is omitted because it is not directly related to the present invention. Reference numeral 32 denotes LEDs arranged on the same circumference centered on the observation optical axis at intervals of 30 degrees.
Each LED is equipped with a spot diaphragm 33 and a collimator lens 34, and the entire corneal reflection image is used as a microphone.

[Procedure Amendment 10]

[Document name to be amended] Statement

[Correction target item name] 0013

[Correction method] Change

[Correction content]

The microcomputer 41 has a driver 42.
The optotype plate illumination light source 25 is turned on to display the alignment mark to the inspector, and the microphone illumination light source 32 is turned on via the driver 43 to form the earrings on the subject's eye. The examiner aligns the anterior segment of the eye to be inspected with the alignment mark in a predetermined relationship. When the alignment is completed, the measurement start switch 4 is pressed, and the microcomputer 41 receives the signal and turns on the LED 28 via the driver 44 to project the measurement target onto the eye to be examined. The photodetection element of the measurement optical system 31 detects the incident position via the driver 45, and the microcomputer 41 performs a predetermined calculation process based on the detection result to obtain a measurement value. The measured value is displayed on the display 5 via the driver 46.
Is displayed in. Next, press the measured value transfer switch 6,
The measured value is sent to the power source unit 10 via the communication contacts 13c and 13d of the mounting member 12, and the power source unit 10 sends the measured value to an external printer unit by a transmitting means (not shown). The communication from the power supply unit 10 to the printer unit can be performed by a known method such as wire, light, or radio wave. The measuring unit body 1 as described above can be used by being connected to the power supply unit 10 and also to a stand or a slit lamp.

[Procedure Amendment 11]

[Document name to be amended] Statement

[Correction target item name] 0014

[Correction method] Change

[Correction content]

FIG. 4 is a diagram showing an example in which the measuring unit main body 1 is attached to a gantry for use. Reference numeral 50 denotes a gantry unit, and the gantry unit 50 has a top plate 51, a gantry base 52 that moves with respect to the top plate 51, an arm 53 extending upward from the gantry base 52 , and a joystick 54. The mounting member 12a is fixed to the top of the gantry arm 53 ,
The structure is such that power is supplied to the measuring unit body 1 .

[Procedure Amendment 13]

[Document name to be corrected] Drawing

[Name of item to be corrected] Figure 3

[Correction method] Change

[Correction content]

[Figure 3]

Claims (5)

[Claims] 1. An ophthalmologic apparatus for inspecting an eye to be inspected, an inspection apparatus main body including an optical system and a control system for inspecting the eye to be inspected, a mounting member detachable from the inspection apparatus main body, and the mounting. A member and a pair of power contacts provided on the inspection device body, and fixing the attachment member to a device having a power source, and attaching the inspection device body to the device having a power source through the attachment member for use. Ophthalmic device characterized by. 2. The ophthalmic apparatus according to claim 1, further comprising a battery, wherein the ophthalmic apparatus can be used as a handheld apparatus. 3. The ophthalmologic apparatus according to claim 1, wherein the apparatus having the power supply is a slide base. 4. The ophthalmic apparatus according to claim 1, further comprising a pair of communication contacts provided on the attachment member and the inspection apparatus body. 5. The ophthalmic apparatus according to claim 1, further comprising a detection unit that detects the type of an apparatus that has a power source that fixes the attachment member.