CN108542349A - Bimodal eyeglass eyeground imaging system - Google Patents
Bimodal eyeglass eyeground imaging system Download PDFInfo
- Publication number
- CN108542349A CN108542349A CN201810497080.4A CN201810497080A CN108542349A CN 108542349 A CN108542349 A CN 108542349A CN 201810497080 A CN201810497080 A CN 201810497080A CN 108542349 A CN108542349 A CN 108542349A
- Authority
- CN
- China
- Prior art keywords
- microscope group
- eyeground
- blood oxygen
- beam splitter
- eyeglass
- 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.)
- Pending
Links
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
- A61B3/12—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
-
- 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
- A61B3/14—Arrangements specially adapted for eye photography
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
- A61B5/14551—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases
- A61B5/14555—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters for measuring blood gases specially adapted for the eye fundus
Abstract
The invention discloses and provide it is a kind of it is simple in structure, Lens are small, universal performance is good, obtain the strong bimodal eyeglass eyeground imaging system of eye fundus image ability.The present invention includes eyeground beam generating unit, relaying microscope group, the first beam splitter, the second beam splitter, single anti-microscope group, a blood oxygen microscope group, the second blood oxygen microscope group, single inverse video inductor, the first blood oxygen image inductor and the second blood oxygen image inductor；First beam splitter is located at relaying microscope group rear；Eyeground beam generating unit sends out the eyeground light beam come out by fundus reflex, eyeground light beam reaches the first beam splitter after penetrating relaying microscope group, eyeground light beam is divided into two-beam by the first beam splitter, the two-beam that first beam splitter separates respectively enters single anti-microscope group and the second beam splitter, light beam is divided into two-beam by the second beam splitter again, and the two-beam that the second beam splitter separates respectively enters the first blood oxygen microscope group and the second blood oxygen microscope group.The present invention is applied to the technical field of bimodal eyeglass eyeground imaging system.
Description
Technical field
The present invention relates to a kind of fundus camera, more particularly to a kind of bimodal eyeglass eyeground imaging system.
Background technology
Eyeground refers to the bottom of eyes, that is, the tissue of eyes bottommost.It includes retina, optical fundus blood vessel, regards god
Through the macula area and postretinal choroid etc. on nipple, optic nerve fiber, retina.If disease occurs for these positions
Become, is referred to as retinopathy.
Retina is the film of one layer of high level of architectural complexity, is dispersed with a large amount of capillary thereon, is unique in human body
The microvessel network for the deeper that non-wound can be observed directly.Blood-vessels on human eye retina is observed, it can
Think that doctor carries out many eye diseases or even the diagnosis of general disease provides important evidence.Such as hypertension, hyperlipidemia, kidney
The change of the diseases such as disease, diabetes, coronary heart disease, early stage physiological status can be embodied on eyeground.
Whether diabetes, eye disease or some other angiocardiopathy, can be along with eyeground state in progression of the disease
Change, eyeground is checked, be it is timely find, the effective way of the control state of an illness.Current clinically effective funduscopy
There are mainly five types of equipment：Ophthalmoscope, slit-lamp microscope, fundus camera, scanning laser ophthalmoscope, optical coherent chromatographic imaging
Deng.Five kinds of test modes respectively have feature.But consider the maturity of current technology development, practical degree, operation complexity and
Production cost, fundus camera will be the funduscopy equipment being most widely used.But current funduscopy device structure compared with
It for complexity, and can only generally realize that single mode is taken a picture, for example be only capable of obtaining the gray level image on eyeground or colored eye fundus image,
And then eyeground can not adequately be checked.
Invention content
The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a kind of simple in structure, camera lens
Size is small, universal performance is good, obtains the strong bimodal eyeglass eyeground imaging system of eye fundus image ability.
The technical solution adopted in the present invention is：The present invention includes eyeground beam generating unit, relaying microscope group, the first beam splitting
Device, the second beam splitter, single anti-microscope group and bimodal eyeglass, the bimodal eyeglass include the first blood oxygen microscope group and the second blood oxygen mirror
The rear of group, the anti-microscope group of the list, the first blood oxygen microscope group and the second blood oxygen microscope group is respectively arranged with single inverse video sense
Answer device, the first blood oxygen image inductor and the second blood oxygen image inductor；After first beam splitter is located at the relaying microscope group
Side；The eyeground beam generating unit sends out the eyeground light beam come out by fundus reflex, and the eyeground light beam penetrates the relaying
Reach first beam splitter after microscope group, the eyeground light beam is divided into two-beam, first beam splitting by first beam splitter
The two-beam that device separates respectively enters the anti-microscope group of the list and second beam splitter, and light beam is divided by second beam splitter again
Two-beam, the two-beam that second beam splitter separates respectively enter the first blood oxygen microscope group and the second blood oxygen microscope group.
Further, the light between the relaying microscope group and the anti-microscope group of the list is directional light.
Further, the light angle between the relaying microscope group and the anti-microscope group of the list is less than 8 degree.
Further, light beam is after the first blood oxygen microscope group and the second blood oxygen microscope group, the first blood oxygen image
Inductor and the second blood oxygen image inductor obtain the eyeground picture of 570nm wavelength and the eyeground figure of 610nm wavelength respectively
Piece.
The beneficial effects of the invention are as follows：Since the present invention uses the design of bimodal eyeglass, including eyeground light beam that list occurs
Member, relaying microscope group, the first beam splitter, the second beam splitter, single anti-microscope group and bimodal eyeglass, the bimodal eyeglass include first
Blood oxygen microscope group and the second blood oxygen microscope group, the anti-microscope group of the list, the first blood oxygen microscope group and the second blood oxygen microscope group rear
It is respectively arranged with single inverse video inductor, the first blood oxygen image inductor and the second blood oxygen image inductor；First beam splitting
Device is located at the relaying microscope group rear；The eyeground beam generating unit sends out the eyeground light beam come out by fundus reflex, described
Eyeground light beam reaches first beam splitter after penetrating the relaying microscope group, and the eyeground light beam is divided by first beam splitter
Two-beam, the two-beam that first beam splitter separates respectively enter the anti-microscope group of the list and second beam splitter, and described
Light beam is divided into two-beam by two beam splitters again, and the two-beam that second beam splitter separates respectively enters the first blood oxygen microscope group
With the second blood oxygen microscope group, so, the design of the bimodal eyeglass can be well embedded on original fundus camera, lead to
It is good with performance, while the present invention is simple, Lens are small, it is strong to obtain eye fundus image ability, can not only pass through single inverse video sense
Device is answered to obtain eyeground color picture, moreover it is possible to be obtained by the first blood oxygen image inductor and the second blood oxygen image inductor
Eyeground picture under 570nm wavelength and 610nm wavelength is calculated by the eye fundus image of 570nm and 610nm wavelength in conjunction with corresponding
Method can measure the blood oxygen saturation of human eye retina's blood vessel.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention.
Specific implementation mode
As shown in Figure 1, in the present embodiment, the present invention includes eyeground beam generating unit 1, relaying microscope group 2, the first beam splitting
Device 5, the second beam splitter 6, single anti-microscope group 7 and bimodal eyeglass, the bimodal eyeglass include the first blood oxygen microscope group 8 and the second blood
The rear of oxygen microscope group 9, the anti-microscope group 7 of the list, the first blood oxygen microscope group 8 and the second blood oxygen microscope group 9 is respectively arranged with list
Inverse video inductor 10, the first blood oxygen image inductor 11 and the second blood oxygen image inductor 12；First beam splitter 5 is located at
2 rear of relaying microscope group；The eyeground beam generating unit 1 sends out the eyeground light beam come out by fundus reflex, the eyeground
Light beam reaches first beam splitter 5 after penetrating the relaying microscope group 2, and the eyeground light beam is divided by first beam splitter 5
Two-beam, the two-beam that first beam splitter 5 separates respectively enters the anti-microscope group 7 of the list and second beam splitter 6, described
Light beam is divided into two-beam by the second beam splitter 6 again, and the two-beam that second beam splitter 6 separates respectively enters first blood oxygen
Microscope group 8 and the second blood oxygen microscope group 9.
In the present embodiment, the light between the relaying microscope group 2 and the anti-microscope group of the list 7 is directional light so that described
The position of first beam splitter 5 is insensitive, is conducive to installation and places.
In the present embodiment, the light angle between the relaying microscope group 2 and the anti-microscope group of the list 7 is less than 8 degree, has in this way
It is divided conducive to deielectric-coating.
In the present embodiment, light beam is after the first blood oxygen microscope group 8 and the second blood oxygen microscope group 9, and described first
Blood oxygen image inductor 11 and the second blood oxygen image inductor 12 obtain the eyeground picture and 610nm of 570nm wavelength respectively
The eyeground picture of wavelength.
The present invention not only can obtain eyeground color picture by single inverse video inductor 10, moreover it is possible to pass through first oxigram
As the eyeground picture under inductor 11 and the second blood oxygen image inductor 12 acquisition 570nm wavelength and 610nm wavelength, pass through
The eye fundus image of 570nm and 610nm wavelength can measure the blood oxygen saturation of human eye retina's blood vessel in conjunction with corresponding algorithm
Degree.
The present invention is applied to the technical field of bimodal eyeground imaging system.
Although the embodiment of the present invention is described with practical solution, the limit to meaning of the present invention is not constituted
It makes, for those skilled in the art, is all to the modification of its embodiment and with the combination of other schemes according to this specification
Obviously.
Claims (4)
1. a kind of bimodal eyeglass eyeground imaging system, it is characterised in that：The bimodal eyeglass eyeground imaging system includes
Eyeground beam generating unit（1）, relaying microscope group（2）, the first beam splitter（5）, the second beam splitter（6）, single anti-microscope group（7）And bimodulus
State eyeglass, the bimodal eyeglass include the first blood oxygen microscope group（8）With the second blood oxygen microscope group（9）, the anti-microscope group of list（7）, institute
State the first blood oxygen microscope group（8）With the second blood oxygen microscope group（9）Rear be respectively arranged with single inverse video inductor（10）, first
Blood oxygen image inductor（11）With the second blood oxygen image inductor（12）；First beam splitter（5）Positioned at the relaying microscope group
（2）Rear；The eyeground beam generating unit（1）The eyeground light beam come out by fundus reflex is sent out, the eyeground light beam penetrates
The relaying microscope group（2）After reach first beam splitter（5）, first beam splitter（5）The eyeground light beam is divided into two
Shu Guang, first beam splitter（5）The two-beam separated respectively enters the anti-microscope group of the list（7）With second beam splitter（6）,
Second beam splitter（6）Light beam is divided into two-beam, second beam splitter again（6）The two-beam separated respectively enters described
First blood oxygen microscope group（8）With the second blood oxygen microscope group（9）.
2. bimodal eyeglass eyeground imaging system according to claim 1, it is characterised in that：The relaying microscope group（2）With
The anti-microscope group of list（7）Between light be directional light.
3. bimodal eyeglass eyeground imaging system according to claim 1 or 2, it is characterised in that：The relaying microscope group（2）
With the anti-microscope group of the list（7）Between light angle be less than 8 degree.
4. bimodal eyeglass eyeground imaging system according to claim 1, it is characterised in that：Light beam passes through first blood
Oxygen microscope group（8）With the second blood oxygen microscope group（9）Afterwards, the first blood oxygen image inductor（11）With the second blood oxygen image
Inductor（12）The eyeground picture of the eyeground picture and 610nm wavelength of 570nm wavelength is obtained respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810497080.4A CN108542349A (en) | 2018-05-22 | 2018-05-22 | Bimodal eyeglass eyeground imaging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810497080.4A CN108542349A (en) | 2018-05-22 | 2018-05-22 | Bimodal eyeglass eyeground imaging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108542349A true CN108542349A (en) | 2018-09-18 |
Family
ID=63495519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810497080.4A Pending CN108542349A (en) | 2018-05-22 | 2018-05-22 | Bimodal eyeglass eyeground imaging system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108542349A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006052479A2 (en) * | 2004-11-08 | 2006-05-18 | Optovue, Inc. | Optical apparatus and method for comprehensive eye diagnosis |
| US20160089027A1 (en) * | 2013-04-08 | 2016-03-31 | Voigtmann GmbH | Method for photographically observing and/or documenting the fundus of an eye, and fundus camera |
| CN207168484U (en) * | 2017-01-12 | 2018-04-03 | 天津工业大学 | Binocular fundus camera imaging optical system |
| CN208755963U (en) * | 2018-05-22 | 2019-04-19 | 合肥奥比斯科技有限公司 | Bimodal eyeglass eyeground imaging system |
-
2018
- 2018-05-22 CN CN201810497080.4A patent/CN108542349A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006052479A2 (en) * | 2004-11-08 | 2006-05-18 | Optovue, Inc. | Optical apparatus and method for comprehensive eye diagnosis |
| US20160089027A1 (en) * | 2013-04-08 | 2016-03-31 | Voigtmann GmbH | Method for photographically observing and/or documenting the fundus of an eye, and fundus camera |
| CN207168484U (en) * | 2017-01-12 | 2018-04-03 | 天津工业大学 | Binocular fundus camera imaging optical system |
| CN208755963U (en) * | 2018-05-22 | 2019-04-19 | 合肥奥比斯科技有限公司 | Bimodal eyeglass eyeground imaging system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108670192B (en) | A kind of multispectral eyeground imaging system and method for dynamic vision stimulation | |
| JP5771259B2 (en) | Apparatus and method for multifunction adaptive optical retinal imaging | |
| JP6108827B2 (en) | Ophthalmic apparatus and alignment method | |
| CN106166056B (en) | Multispectral eyeground imaging system | |
| JP2007513703A (en) | Retina imaging system | |
| Zhang et al. | Volumetric fluorescence retinal imaging in vivo over a 30-degree field of view by oblique scanning laser ophthalmoscopy (oSLO) | |
| US10575730B2 (en) | Ultra wide field fundus imaging system | |
| CN205625890U (en) | High spectrum eye ground imaging system | |
| CN208755963U (en) | Bimodal eyeglass eyeground imaging system | |
| CN103284688B (en) | Structural dark field adaptive optics retina imager | |
| Adhi et al. | Non-mydriatic ultra-widefield imaging compared with single-field imaging in the evaluation of peripheral retinal pathology | |
| CN205903241U (en) | Novel fundus imaging system | |
| CN207693547U (en) | A kind of eyeground multi-mode imaging system | |
| CN208942103U (en) | A kind of image guiding fundus camera | |
| CN108542349A (en) | Bimodal eyeglass eyeground imaging system | |
| Elsner et al. | Detecting AMD with multiply scattered light tomography | |
| CN109431457A (en) | Multispectral eyeground imaging system | |
| CN209377548U (en) | Multispectral eyeground imaging system | |
| CN210330550U (en) | Bimodal fundus imaging system | |
| CN107981839A (en) | A kind of portable based on mobile phone dual camera exempts from mydriasis fundus camera | |
| JP2018050975A (en) | Ophthalmologic apparatus | |
| CN202891893U (en) | Monocular slit-lamp microscope | |
| EP3888527A1 (en) | Ophthalmological device | |
| CN108420400A (en) | A kind of image guiding fundus camera | |
| JP2019018039A (en) | Ophthalmologic apparatus and control method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |