CN108433699A - A kind of eyes eye-ground photography machine equipment - Google Patents
A kind of eyes eye-ground photography machine equipment Download PDFInfo
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- CN108433699A CN108433699A CN201810580983.9A CN201810580983A CN108433699A CN 108433699 A CN108433699 A CN 108433699A CN 201810580983 A CN201810580983 A CN 201810580983A CN 108433699 A CN108433699 A CN 108433699A
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- module
- eyes
- eyepiece
- fundus
- eye
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Classifications
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- 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
- A61B3/12—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
Abstract
The invention discloses a kind of eyes eye-ground photography machine equipments, including camera main-body and eyepiece module, camera main-body includes shell, first spectroscope, fundus camera module and fundus illumination module, first spectroscope, fundus camera module and fundus illumination module are mounted in shell, the fundus camera module includes the first camera sensing chip set gradually along primary optic axis and the first lens group, the fundus illumination module includes the lighting source module set gradually along the second optical axis and the second lens group, eyepiece module includes test eyes mirror and non-tested eye eyepiece, fundus camera module and fundus illumination module are coupled with test eyes mirror respectively by the first spectroscope.Test eyes mirror, the first spectroscope, fundus camera module and fundus illumination module collectively form test function module, and the device structure is simple, easy to use, can carry out watching fixation attentively by eyes well, not be affected by the external environment, and improve operating efficiency and quality.
Description
Technical field
The invention belongs to eye examination equipment technical fields, and in particular to a kind of eyes eye-ground photography machine equipment.
Background technology
Currently, fundus camera in the market is all simple eye fundus camera, two classes are roughly divided into, one is desk-top, one
Kind is hand-held.Either desk-top or hand-held, light path design generally comprises following components：Eye-ground photography
Fixation target light path and iris photograph can be added toward contact to obtain stable high-quality amount photo in light path (illumination and imaging optical path)
Light path, wherein fixation target light path tested eye gaze and are fixed on some specific direction, iris photographic optical path master to allow
It will be in order to determine the orientation of tested eyes, so that adjustment equipment is allowed to and measured's eye alignment.Some equipment, in order to reduce into
This, may not include fixation target light path, and when operation allows the eyes fixation of patient on front or some direction, it is also possible to
Not comprising iris photographic optical path, but by way of changing compound lens focal length, eyes are positioned using eye-ground photography light path
Initial position.
On the market the more complete fundus camera of some functions structure as shown in Figure 1, including fundus camera module 4,
Fundus illumination module 5, fixation target display module 6, iris camera module 7, test eyes mirror 82,2, second points of the first spectroscope
Light microscopic 3 and third spectroscope 13, fundus camera module 4 include the first camera sensing chip 41 set gradually along primary optic axis
With the first lens group 42, the fundus illumination module 5 includes the lighting source module 51 set gradually along the second optical axis and
Two lens groups 52, the fixation target display module 6 include the fixation object light source 61 set gradually along third optical axis and
Three lens groups 62, the iris camera module 7 include 71 He of second camera sensing chip set gradually along the 4th optical axis
4th lens group 72, fundus illumination module 5, fixation target display module 6, iris camera module 7 and fundus camera module 4 are divided
Do not pass through the first spectroscope 2, the second spectroscope 3 and third spectroscope 13 and test eyes mirror 82.
Above-mentioned fundus camera, which is deposited, to be had the following problems：1, light path is complicated, needs through multigroup spectroscope various work(
The light path of energy module is combined；2, multiple spectroscopical surfaces can cause stray light and reflected light, to influence eyeground phase
The quality of piece；3, when being tested Eye testing, non-tested eye is exposed to outside, and not by any control, non-tested eye is seen
The field range arrived is very big, to influence to be tested eyes, its direction of gaze is made to be easy to free fixation cursor, and then influence tested
The axis oculi offset device optical axis of eyes；
Distance (operating distance) closes the eye fundus picture for obtaining high quality very much between patient's eyes and test eyes mirror
Key, existing equipment usually stablizes patient head using chin strap and/or forehead bracket, and it is easy to swim during the test
From equipment, some hand-held fundus cameras need operating personnel's single hand grip equipment, keep certain while being directed at patient's eyes
Distance, operationally difficulty is very big, it is difficult to obtain the photo of high quality.
Invention content
In order to solve the above-mentioned problems of the prior art, the present invention provides a kind of eyes eye-ground photography machine equipments, should
Device structure is simple, easy to use, by watching fixation attentively and achieve the purpose that tested eye gaze fixation to non-tested eye,
It to carry out eyes to watch fixation attentively well, is not affected by the external environment, improves operating efficiency and quality.
Technical solution is used by realizing above-mentioned purpose of the present invention：
A kind of eyes eye-ground photography machine equipment, including camera main-body and eyepiece module, camera main-body include shell, first point
Light microscopic, fundus camera module and fundus illumination module, the first spectroscope, fundus camera module and fundus illumination module are mounted on
In shell, the fundus camera module includes the first camera sensing chip and the first lens set gradually along primary optic axis
Group, the fundus illumination module include the lighting source module set gradually along the second optical axis and the second lens group, eyepiece mould
Block include test eyes mirror and non-tested eye eyepiece, fundus camera module and fundus illumination module by the first spectroscope respectively and
The coupling of eyes mirror is tested, test eyes mirror, the first spectroscope, fundus camera module and fundus illumination module collectively form test work(
It can module.
Camera main-body further includes fixation target display module or iris camera module, the fixation target display module packet
The fixation object light source set gradually along third optical axis and the third lens group are included, the iris camera module includes along the 4th light
The second camera sensing chip and the 4th lens group that axis is set gradually, target display module or iris camera module are tested with non-
It tries the coupling of eyes mirror, non-tested eye eyepiece and fixation target display module or iris camera module constitutes common miscellaneous function mould
The light path of block, test function module and auxiliary brake module is not interfere with each other.
Camera main-body further includes the second spectroscope, fixation target display module and iris camera module, and the second spectroscope is consolidated
It is mounted in shell depending on target display module and iris camera module, the fixation target display module includes along third
The fixation object light source and the third lens group that optical axis is set gradually, the iris camera module include being set successively along the 4th optical axis
The second camera sensing chip set and the 4th lens group, fixation target display module and iris camera module pass through second point
Light microscopic is coupled with non-tested eyes mirror, the second spectroscope, non-tested eye eyepiece, fixation target display module and iris photograph mould
Block constitutes common supplemental functionality, and test function module and the light path of auxiliary brake module are not interfere with each other.
Eyepiece module further includes eyepiece frame, tests eyes mirror and non-tested eye eyepiece is symmetrically arranged in eyepiece frame, eyepiece
Frame is an integral structure with shell or is attached by removably mode.
The open end of the eyepiece frame and shell is connected by a snap.
Further include eyeshade, eyeshade is structure as a whole with eyepiece frame or is attached by removably mode, Huo Zhejie
Touch connects.
Further include the gas regulation mechanism for adjusting tested eyes to the distance between test eyes mirror, the gas
Regulating mechanism includes flexible gas chamber, gas pump and snorkel, and gas pump is connect by snorkel with air chamber.
The eyeshade includes shading outer ring, and the shape and the shape of shading outer ring of flexible gas chamber match, elastic gas
Body cavity is located in shading outer ring, and air chamber is fixedly connected with shading outer ring, and one end of snorkel is connect with gas pump, the other end
It is connected to air chamber across shading outer ring.
The material of shading outer ring be flexible material, flexible gas chamber with shading outer ring by sewing or being adhesively fixed, shading
Outer ring is with eyepiece frame by being removably connected and fixed.
The eyeshade further includes connection frame, and shading outer ring is fixed on connection frame, and eyepiece frame is equipped with groove, connects frame
It is inserted into groove.
Further include wear-type structure, wear-type structure and eyepiece frame or cage connection.
Further include desk-top fine tuning structure, desk-top fine tuning structure includes pedestal, column, universal joint and supporting rack, the bottom of column
Portion is fixed on pedestal, and the top of column is connect by universal joint with supporting rack, and the sealed end of supporting rack and shell passes through removable
Ground mode is unloaded to connect.
Compared with prior art, advantages and advantages of the invention are：
1, the equipment reduces the complexity of light path design, that is, the light path for shooting eye fundus picture no longer needs and display fixation
The light path common optical axis of target simplifies design, reduces stray light and reflected light, improves the quality of eye fundus picture.
2, the equipment carries out non-tested eye to watch fixation attentively by supplemental functionality, to make tested eyes be noted
It takes pictures to the eyeground for being tested eyes depending on fixation, then by test function module.
3, eyes eyeshade can allow eyes not influenced by external environment light light and shade, to allow pupil loosen as possible compared with
Big size is conducive to the shooting of eye fundus picture.
4, the equipment can use under arbitrary environment, not need special darkroom setting.
5, the equipment can rotate 180 degree, realize tested switching between eyes and non-tested eye.
6, the equipment be provided with wear-type structure, equipment can be worn in patient head when detecting, the eyes of patient and
The relative position of equipment can be kept opposing stationary once regulated so that operation is very easy, helps to obtain high quality
Photograph.
7, the equipment is provided with desk-top fine tuning structure, is micro-adjusted to camera main-body by universal joint, can make patient's
Axis oculi is more easily aligned with equipment optical axis.
8, the equipment is provided with gas regulation mechanism, and the operating distance between eyepiece and eyes is adjusted by inflation/deflation,
Easy to operate, degree of regulation is high.
9, the shading outer ring of eyeshade, which uses, makes the flexible material of no damage to human body, and the connection frame of eyeshade is moulded using hard
Material makes, and flexible gas chamber is made using soft and elastic material, and eyeshade is constituted with air chamber and snorkel
Structure fabrication is at low cost, and eyeshade is detachable with eyepiece, is convenient for changing or cleanable, ensures that equipment reaches Medical Devices
Hygienic requirements.
Description of the drawings
Fig. 1 is the structure schematic diagram of existing fundus camera.
The structural schematic diagram that Fig. 2 is eyes eye-ground photography machine equipment when being wear-type.
The structural schematic diagram that Fig. 3 is eyes eye-ground photography machine equipment when being desk-top.
Fig. 4 is the structure schematic diagram of camera main-body.
Fig. 5 is the installation diagram of eyepiece module and camera main-body.
Fig. 6 be eyepiece module, eyeshade and wear-type structure installation diagram.
Fig. 7 is the structural schematic diagram of eyepiece module.
Fig. 8 is the structural schematic diagram of eyeshade.
Fig. 9 is the installation diagram of eyeshade and gas regulation mechanism.
Wherein, 1- shells；The first spectroscopes of 2-；The second spectroscopes of 3-；4- fundus camera modules：The first cameras of 41- pass
Sense chip, the first lens groups of 42-；5- fundus illumination modules：51- lighting sources module, the second lens groups of 52-；6- fixation target
Display module：61- fixation objects light source, 62- the third lens groups；7- iris camera modules：71- second cameras sensing chip,
The 4th lens groups of 72-；8- eyepiece modules：81- eyepiece frames, 82- test eyes mirror, 83- grooves, the non-tested eye eyepieces of 84-；9-
Cover：91- shadings outer ring, 92- connection frames；10- gas regulations mechanism：101- flexible gas chamber, 102- gas pumps, 103- ventilations
Pipe；11- wear-type structures；The desk-top fine tuning structures of 12-：121- pedestals, 122- columns, 123- universal joints, 124- supporting racks；13-
Third spectroscope；14- is buckled.
Specific implementation mode
The present invention is described in detail below in conjunction with the accompanying drawings.
Eyes eye-ground photography machine equipment provided by the invention includes camera main-body, eyepiece module 8, eyeshade 9 and for adjusting
Gas regulation mechanism 10 of the human eye to the distance between eyeglass.
As shown in figure 4, camera main-body includes shell 1, the first spectroscope 2, the second spectroscope 3, fundus camera module 4, eye
Bottom lighting module 5, fixation target display module 6 and iris camera module 7, fundus camera module 4, fundus illumination module 5, fixation
Target display module 6 and iris camera module 7 are mounted in shell 1, and the fundus camera module 4 includes along primary optic axis
The the first camera sensing chip 41 set gradually and the first lens group 42, the fundus illumination module 5 include along the second light
The lighting source module 51 and the second lens group 52 that axis is set gradually, the fixation target display module 6 includes along third light
The fixation object light source 61 and the third lens group 62 that axis is set gradually, the iris camera module 7 include along the 4th optical axis according to
The second camera sensing chip 71 and the 4th lens group 72 of secondary setting.
As shown in Fig. 5, Fig. 6 and Fig. 7, eyepiece module 8 includes test eyes mirror 82, non-tested eye eyepiece 84 and eyepiece frame
81, test eyes mirror 82 and non-tested eye eyepiece 84 are symmetrically arranged in eyepiece frame 81.Eyepiece module 8 can be with camera main-body
Integral structure, i.e. eyepiece frame 81 are an integral structure with 1 open end of shell；Eyepiece module can also be seperated with camera main-body
Formula structure, i.e. eyepiece frame 81 and shell 1 are split structure, and end face and 1 open end of shell of eyepiece frame 81 pass through detachable
Mode be attached, realize that dismountable mode has very much, wherein it is relatively common for buckle 14 connection, may be used herein
It snaps connection, is easy for installation and removal, and is simple in structure.
Test eyes mirror 82, the first spectroscope 2, fundus camera module 4 and fundus illumination module 5 collectively form test function
Module, fundus camera module 4 and fundus illumination module 5 the first spectroscope 2 (in a manner of transmiting or reflect) respectively and
It tests eyes mirror 82 to couple so that the retina image-forming of patient is on the first camera sensing chip of fundus camera module；With
This simultaneously, the lighting source of fundus illumination module illuminates the retina of patient by the pupil of patient, in fact, eye-ground photography mould
Block and fundus illumination module can be exchanged with respect to first spectroscopical position or transmission or reflection passes through the first spectroscope.
Second spectroscope 3, non-tested eye eyepiece 84 and fixation target display module 6 and iris camera module 7 are constituted altogether
Same supplemental functionality, fixation target display module 6 and iris camera module 7 are by the second spectroscope (to transmit or reflect
Mode) coupled respectively with non-tested eyes mirror so that fixation target images on the retina of patient；At the same time, sick
The iris and pupil of people just images on the second camera sensing chip of iris camera module, in fact, fixation target is aobvious
Show that module and iris camera module can be exchanged with respect to second spectroscopical position or transmission or reflection passes through the second spectroscope.
Herein, as long as brake module and the light path of supplemental functionality are not interfere with each other, it is tested the eyeground phase of function module
Machine module, the display module of fundus illumination module and supplemental functionality, iris camera module can also may be used in same housing
In two separated shells, the light path of the two to be separated by two separated shells.Brake module is for being tested eyes
Photograph, supplemental functionality watch fixation attentively for non-tested eye, since human eye is linkage, fix non-tested eye
Afterwards, eyes are tested and are watched attentively fixation naturally.
As shown in figure 8, eyeshade 9 includes shading outer ring 91.Shading outer ring is made of the flexible material of no damage to human body, such as
Sponge cloth, imitation leather cloth etc..The shape of shading outer ring 91 meets the shape of face, and shading outer ring is made to be fitted closely with face,
Ensure shaded effect.
Gas regulation mechanism 10 includes flexible gas chamber 101, gas pump 102 and snorkel 103.Flexible gas chamber is using soft
Soft flexible material makes, such as latex.Gas pump 102 is connect by snorkel 103 with flexible gas chamber 101.Elastic gas
The mounting means of body cavity 101 has very much, and the present embodiment uses a kind of installation method of fairly simple economy, specific as follows：Such as Fig. 9
It is shown, flexible gas chamber 101 is made to the shape to match with the shape of shading outer ring 91, then sets flexible gas chamber 101
It is fixed by way of sewing or bonding with shading outer ring 91 in shading outer ring 91, then by flexible gas chamber 101, while making to lead to
Tracheae 103 is connected to across shading outer ring 91 with flexible gas chamber 101.Air inlet and gas output are adjusted by gas pump, to control
The size of flexible gas chamber, and then fine-tuning patient's eyes, to the operating distance between eyepiece, adjustable range is generally on the left sides 3-5mm
The right side, degree of regulation can be manual up to 100um or so, air pump, can also be electric device (similar survey meter of blood pressure).
Eyeshade 9 and eyepiece 8 can be integral structures, i.e., be fixedly connected with shading outer ring 91 with eyepiece frame 81；Eyeshade with
Eyepiece module 8 can also be split structure, i.e., shading outer ring 91 and eyepiece frame 81 are dismountable structure, dismountable structure
Have it is very much, herein from cost and it is easy for installation from the point of view of, a connection frame 92 is connected on 91 end face of shading outer ring,
The groove for being set on 81 other end of eyepiece frame and connecting the cooperation of frame 92, connection frame 92 are made of rigid plastics, such as common
ABS, POM etc., shading outer ring 91 are fixed on connection frame 92, such as glutinous together by viscose, when eyeshade is connect with eyepiece,
Connection frame need to be only inserted into groove, when dismounting, frame plug will be connect and gone out；Certain eyeshade can also connect with eyepiece frame 81
Touch connects, and need not connect frame.
The equipment can be wear-type, as shown in Fig. 2, if wear-type, a wear-type structure 11 can be arranged,
Wear-type structure 11 can be connect with camera main-body or eyepiece module 8, if wear-type structure 11 is connect with camera main-body, wear-type
Structure 11 and cage connection, if wear-type structure 11 is connect with eyepiece module 8, as shown in Fig. 2, wear-type structure 11 and eyepiece frame
81 connections.
The equipment can be desk-top, as shown in figure 3, if desk-top, it can be with setting table formula fine tuning structure 12.It is desk-top micro-
It includes pedestal 121, column 122, universal joint 123 and supporting rack 124 to adjust structure, and the bottom of column 122 is fixed on pedestal 121,
The top of column 122 is connect by universal joint 123 with supporting rack 124, and the sealed end of supporting rack 124 and shell 1 passes through detachable
Ground mode connects.When equipment is mesa structure, the oblique lower section of patient head can be allowed to ride on eyeshade, utilize patient itself head
The friction of portion's weight and patient head and eyeshade shading outer ring, enables eyes relative device to keep relative static conditions, or
Patient is slightly compressed in a manner of lying or lean to, then by the eyeshade of equipment in patient's eyes.
Claims (12)
1. a kind of eyes eye-ground photography machine equipment, including camera main-body and eyepiece module, camera main-body includes shell, the first light splitting
Mirror, fundus camera module and fundus illumination module, the first spectroscope, fundus camera module and fundus illumination module are mounted on shell
In vivo, the fundus camera module includes the first camera sensing chip and the first lens set gradually along primary optic axis
Group, the fundus illumination module include the lighting source module set gradually along the second optical axis and the second lens group, feature
It is：Eyepiece module includes that test eyes mirror and non-tested eye eyepiece, fundus camera module and fundus illumination module pass through first
For spectroscope respectively with test eyes mirror coupling, test eyes mirror, the first spectroscope, fundus camera module and fundus illumination module are total
With composition test function module.
2. eyes eye-ground photography machine equipment according to claim 1, it is characterised in that：Camera main-body further includes fixation target
Display module or iris camera module, the fixation target display module include the fixation object set gradually along third optical axis
Light source and the third lens group, the iris camera module include the second camera sensing chip set gradually along the 4th optical axis
With the 4th lens group, target display module or iris camera module are coupled with non-tested eyes mirror, non-tested eye eyepiece and
Fixation target display module or iris camera module constitute common supplemental functionality, test function module and auxiliary brake mould
The light path of block is not interfere with each other.
3. eyes eye-ground photography machine equipment according to claim 1, it is characterised in that：Camera main-body further includes the second light splitting
Mirror, fixation target display module and iris camera module, the second spectroscope, fixation target display module and iris camera module
It is mounted in shell, the fixation target display module includes the fixation object light source set gradually along third optical axis and
Three lens groups, the iris camera module include that the second camera sensing chip set gradually along the 4th optical axis and the 4th are saturating
Microscope group, fixation target display module and iris camera module are coupled by the second spectroscope with non-tested eyes mirror, and second
Spectroscope, non-tested eye eyepiece, fixation target display module and iris camera module constitute common supplemental functionality, test work(
The light path of energy module and auxiliary brake module is not interfere with each other.
4. eyes eye-ground photography machine equipment according to claim 2 or 3, it is characterised in that：Eyepiece module further includes eyepiece
Frame, tests eyes mirror and non-tested eye eyepiece is symmetrically arranged in eyepiece frame, and eyepiece frame is an integral structure or leads to shell
Removably mode is crossed to be attached.
5. eyes eye-ground photography machine equipment according to claim 4, it is characterised in that：The eyepiece frame and shell is opened
Mouth end is connected by a snap.
6. eyes eye-ground photography machine equipment according to claim 5, it is characterised in that：Further include eyeshade, eyeshade and eyepiece
Frame be structure as a whole or be attached by removably mode or contact connection.
7. eyes eye-ground photography machine equipment according to claim 6, it is characterised in that：Further include for adjusting tested eyes
To the gas regulation mechanism of the distance between test eyes mirror, the gas regulation mechanism includes flexible gas chamber, gas pump
And snorkel, gas pump are connect by snorkel with air chamber.
8. eyes eye-ground photography machine equipment according to claim 7, it is characterised in that：The eyeshade includes outside shading
Circle, the shape and the shape of shading outer ring of flexible gas chamber match, and flexible gas chamber is located in shading outer ring, and air chamber and
Shading outer ring is fixedly connected, and one end of snorkel is connect with gas pump, and the other end is connected to across shading outer ring with air chamber.
9. eyes eye-ground photography machine equipment according to claim 8, it is characterised in that：The material of shading outer ring is soft material
Material, for flexible gas chamber with shading outer ring by sewing or being adhesively fixed, shading outer ring is solid by removably connecting with eyepiece frame
It is fixed.
10. eyes eye-ground photography machine equipment according to claim 9, it is characterised in that：The eyeshade further includes connection
Frame, shading outer ring are fixed on connection frame, and eyepiece frame is equipped with groove, and connection frame is inserted into groove.
11. eyes eye-ground photography machine equipment according to claim 10, it is characterised in that：Further include wear-type structure, head
Wear formula structure and eyepiece frame or cage connection.
12. eyes eye-ground photography machine equipment according to claim 11, it is characterised in that：Further include desk-top fine tuning structure, it is desk-top
Fine tuning structure includes pedestal, column, universal joint and supporting rack, and the bottom of column is fixed on pedestal, and the top of column passes through ten thousand
It is connect to section with supporting rack, the sealed end of supporting rack and shell is connected by removably mode.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810580983.9A CN108433699A (en) | 2018-06-07 | 2018-06-07 | A kind of eyes eye-ground photography machine equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810580983.9A CN108433699A (en) | 2018-06-07 | 2018-06-07 | A kind of eyes eye-ground photography machine equipment |
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| CN108433699A true CN108433699A (en) | 2018-08-24 |
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| CN201810580983.9A Pending CN108433699A (en) | 2018-06-07 | 2018-06-07 | A kind of eyes eye-ground photography machine equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115836837A (en) * | 2023-02-20 | 2023-03-24 | 潍坊医学院附属医院 | Ophthalmologic inspection apparatus |
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