CN106618478A - Handheld fundus camera with main illuminating rays sharing same light path - Google Patents
Handheld fundus camera with main illuminating rays sharing same light path Download PDFInfo
- Publication number
- CN106618478A CN106618478A CN201710027710.7A CN201710027710A CN106618478A CN 106618478 A CN106618478 A CN 106618478A CN 201710027710 A CN201710027710 A CN 201710027710A CN 106618478 A CN106618478 A CN 106618478A
- Authority
- CN
- China
- Prior art keywords
- light source
- light
- infrared light
- visible ray
- infrared
- 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
- A61B3/0008—Apparatus for testing the eyes; Instruments for examining the eyes provided with illuminating means
-
- 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
- A61B3/0016—Operational features thereof
-
- 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
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/02—Illuminating scene
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Ophthalmology & Optometry (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- General Physics & Mathematics (AREA)
- Eye Examination Apparatus (AREA)
Abstract
A handheld fundus camera with main illuminating rays sharing the same light path comprises a main camera body and a camera lens; the camera lens comprises an eye lens, a light source module, an imaging lens module, a camera lens snap ring and a lens cone, and the light source module is composed of a light source assembly and a light source switching mechanism; infrared light illuminates the fundus when the light source assembly aims at the fundus, and the infrared light is switched to visible light for instantaneous flash in the shooting process. The handheld fundus camera has the advantages that the main illuminating rays of the infrared light and the visible light share the same light path, and thus the phenomenon that as the human eye pupil is small and main illuminating rays can not get close infinitely under structure limitation when not sharing the same light path, position deviation exists in fundus zone observation with infrared light and fundus zone illumination with visible light, or the phenomenon that visible light can not enter the pupil completely when infrared light illuminates the fundus completely, the fundus is not completely illuminated, and consequently image quality is poor is avoided.
Description
Technical field
The present invention relates to fundus camera, particularly a kind of hand-held fundus camera for illuminating the common light path of chief ray, especially
It is related to a kind of hand-held eyeground of the common light path of illumination chief ray that can realize two kinds of working conditions of infrared light and visible ray and shines
Camera.
Background technology
Eyeground refers to the tissue at rear portion in eyeball.Medical science shows that the systemic disease of most ophthalmology diseases and body is being sent out
Sick early stage can make eyeground that pathology, the such as visible capillary hemangioma in diabetic eyeground, little blutpunkte and exudate, high blood occur
Visible retinal arteriosclerosis in pressure patient's eyes bottom etc..Eye-ground photography device is that one kind is taken pictures by pupil to human eye eyeground
Important Ophthalmologic apparatus, by the analysis to fundus photograph, judge that patient eyeground is the early diagnosis of disease with the presence or absence of pathology
Play an important role.
Existing eye-ground photography device is mostly illuminated using two kinds of light sources of infrared light and visible ray, master eye bottom when
Wait infrared light and illuminate eyeground, it is seen that light extinguishes, it is to avoid high light stimulates human eye to make pupil contraction, visible ray instantaneous flash when taking pictures,
Infrared light extinguishes, and quickly catches the eyeground region having already aimed at and is taken pictures.Because the PD of human eye typically only has 3mm left
The right side, and two kinds of light sources of infrared lamp and visible ray limited by positional structure can not be infinitely close, can so cause infrared light to be observed
There is a position deviation in the eyeground region that eyeground region and visible ray illuminate, or infrared light visible ray can not be complete when all illuminating eyeground
Pupil is entered entirely, eyeground is not illuminated completely, cause poor quality images.
A kind of hand-held fundus camera of the disclosure of the invention of Patent No. 201410108059.2, with near-infrared and white light
Used as lighting source, the two illuminates chief ray non-co- light path to two kinds of LED.
A kind of hand-held fundus camera of the disclosure of the invention of Patent No. 201410184004.4, employ near-infrared and
Two kinds of lighting sources of white light, the two illumination chief ray non-co- light path.
A kind of Portable fundus camera of the disclosure of the invention of Patent No. 201410619382.6, lighting source is at least wrapped
Light-emitting component containing an infrared band, typically also includes a broadband visible ray light-emitting component, the two illumination chief ray
Non-co- light path.
A kind of eye-ground photography device of the disclosure of the invention of Patent No. 201410619383.0, in fundus imaging optical system
One microlens array of middle increase, LED of the lighting source comprising an infrared band and visible LED, the two illumination chief ray
Non-co- light path.
The utility model of Patent No. 201520722051.5 discloses a kind of hand-held fundus camera, two visible rays
Source symmetric is installed on outside lens barrel, and lighting source includes being used as the infrared LED and the white light as exposure light source of guiding light source
LED, the two illumination chief ray non-co- light path.
The content of the invention
In order to overcome disadvantages mentioned above present in prior art, the invention provides a kind of hand of the common light path of illumination chief ray
Hold formula fundus camera.The characteristics of fundus camera is the illumination chief ray light path altogether of infrared light and visible ray, it is to avoid by
In human eye pupil is less and it is architectural limitation during illumination chief ray non-co- light path can not infrared light caused by infinitely close etc. reason
Observing eye bottom region and visible ray illuminate eyeground region a position deviation, or infrared light visible ray can not when all illuminating eyeground
Completely into pupil, eyeground is not illuminated completely, cause the phenomenon of poor quality images.
The technical solution of the present invention is as follows：
A kind of hand-held fundus camera for illuminating the common light path of chief ray, including：Main frame and camera lens, described camera lens includes
Eyepiece, light source module, imaging lens module, camera lens snap ring, lens barrel, its feature is that described light source module is by light source assembly
With light source switching mechanism composition；Described light source assembly includes that one or more light sources of infrared light and visible ray can be sent；
Described light source switching mechanism drives described light source assembly to switch to infrared light and visible ray luminous point in Same Physical position,
Infrared light illuminates eyeground when master eye bottom, and visible ray instantaneous flash is switched to when taking pictures, and infrared light and visible ray shine
The common light path of bright chief ray.
Described light source module is various informative.
Described light source assembly can be the wideband light source with filtering device；Described wideband light source cover infrared light and
Visible ray lights all band, with unique light-emitting area, the illumination chief ray of two kinds of working conditions of infrared light and visible ray light altogether
Road；Described light source switching mechanism drives filtering device switching to change printing opacity type；Broadband is only allowed when master eye bottom
The infrared light that light source sends illuminates eyeground by filtering device, and what moment for taking pictures switching filtering device made that wideband light source sends can
See that light is taken pictures by filtering device to eyeground；Described switching mode to rotate, it is mobile or other can realize filter
Part changes the mode of printing opacity type.
Described light source assembly can also include infrared light supply and visible light source, each with independent light-emitting area, individually send out
Go out infrared light and visible ray；Described light source switching mechanism drives infrared light supply and visible light source to switch and control light source switch,
So as to realize the illumination master of two kinds of working conditions of infrared light and visible ray in Same Physical position when infrared light and visible ray work
The common light path of light；Infrared light illuminates eyeground when master eye bottom, when taking pictures switch visible ray to the same thing of infrared light
Reason position and instantaneous flash；Described switching mode to rotate, it is mobile or other can realize two kinds of work shapes of infrared light and visible ray
The mode of the common light path of illumination chief ray of state.
Described light source assembly can be the single light source with unique light-emitting area, both can individually send in same light path
Infrared light can also individually send visible ray, the common light path of illumination chief ray of two kinds of working conditions of infrared light and visible ray；It is described
Light source switching mechanism electric signal is provided, drive the timesharing switching on demand of infrared light and visible ray, infrared light when master eye bottom
Eyeground is illuminated, visible ray instantaneous flash when taking pictures.
Compared with prior art, the positive effect of the present invention：
Light source module of the present invention is made up of light source assembly and light source switching mechanism；Described light source assembly divides on demand
When switching infrared light or visible ray；Described light source switching mechanism drives light source assembly to switch over, and makes infrared light and visible
In Same Physical position when light works, the common light path of illumination chief ray of two kinds of working conditions of infrared light and visible ray is realized；Aim at
Infrared light illuminates eyeground when eyeground, and visible ray instantaneous flash is switched to when taking pictures；Avoid due to human eye pupil it is less and
Illumination chief ray non-co- light path when it is architectural limitation can not infinitely near the reason for caused infrared light observing eye bottom region with can
See that light illuminates eyeground region and has a position deviation, or infrared light when all illuminating eyeground visible ray can not have completely into pupil
Having illuminate completely eyeground, causes the phenomenon of poor quality images.
Description of the drawings
Fig. 1 is the hand-held fundus camera general assembly drawing of the common light path of present invention illumination chief ray；
Fig. 2 is the lens construction figure of the hand-held fundus camera of the common light path of present invention illumination chief ray；
Fig. 3 is the light source assembly of the hand-held fundus camera of the common light path of present invention illumination chief ray by filtering device and width
Fundamental diagram with light source composition；
Fig. 4 is the light source assembly of the present invention illumination chief ray altogether hand-held fundus camera of light path by each independent red
The fundamental diagram of outer radiant and visible light source composition；
Fig. 5 be present invention illumination chief ray altogether the hand-held fundus camera of light path light source assembly by same light path both
Infrared light can individually be sent can also individually send the fundamental diagram of single light source composition of visible ray；
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples, enables advantages and features of the invention more
Easily it is readily appreciated by one skilled in the art, but should not be limited the scope of the invention with this.
Embodiment 1
As shown in Figures 1 to 3, the hand-held fundus camera of the common light path of present invention illumination chief ray, including：Main frame 1 and mirror
2；Described camera lens 2 includes eyepiece 2-1, light source module 2-2, imaging lens module 2-3, camera lens snap ring 2-4, lens barrel 2-5, its
Feature is that described light source module 2-2 is made up of light source assembly 2-2-1 and light source switching mechanism 2-2-2；Described light source group
Part 2-2-1 is made up of filtering device 2-2-1-1 and wideband light source 2-2-1-2；Described wideband light source 2-2-1-2 covers infrared light
With the luminous all band of visible ray, with unique light-emitting area, the illumination chief ray of two kinds of working conditions of infrared light and visible ray is total to
Light path；Zones of different on described filtering device 2-2-1-1 can filter the light of different wave length, and infrared light is by region
Infrared light is allowed to pass through, it is seen that light only allows visible ray to pass through by region；Described light source switching mechanism 2-2-2 is carried and turned
Axle, filtering device 2-2-1-1 is fixed in rotating shaft, and light source switching mechanism 2-2-2 drive shafts drive filtering device 2-2-1-1 to turn
Move to designated area, the light transmission filtering device 2-2-1-1 for making the specified wavelength that wideband light source 2-2-1-2 sends is illuminated.
When with hand-held fundus camera master eye bottom, described light source switching mechanism 2-2-2 drive shaft bands
Dynamic filtering device 2-2-1-1 turns to infrared light by region, now only allows the infrared light that wideband light source 2-2-1-2 sends to lead to
Cross filtering device 2-2-1-1 and illuminate eyeground, it is to avoid high light stimulates human eye to make pupil contraction；The light that fundus reflex is returned is by hand-held
Formula fundus camera is shown, when eye fundus image most clear position is searched out, triggering light source switching mechanism 2-2-2 moments drive
Dynamic rotating shaft drives filtering device 2-2-1-1 to turn to visible ray by region, leads to the visible ray that wideband light source 2-2-1-2 sends
Cross filtering device 2-2-1-1 and quickly catch the eyeground region having already aimed at and taken pictures, immediately light source switching mechanism 2-2-2 drives
Filtering device 2-2-1-1 turns to infrared light by region, it is to avoid high light stimulates human eye.
Embodiment 2
As shown in Fig. 1,2,4, the hand-held fundus camera of the common light path of present invention illumination chief ray, including：Main frame 1 and mirror
2；Described camera lens 2 includes eyepiece 2-1, light source module 2-2, imaging lens module 2-3, camera lens snap ring 2-4, lens barrel 2-5, its
Feature is that described light source assembly 2-2-1 includes infrared light light source 2-2-1-3 and visible light source 2-2-1-4, each has
Independent light-emitting area, individually sends infrared light and visible ray；Described light source switching mechanism 2-2-2 is the mobile dress with guide rail
Put, infrared light light source 2-2-1-3 and visible light source 2-2-1-4 are placed on it, light source switching mechanism 2-2-2 drives mobile device
Infrared light light source 2-2-1-3 and visible light source 2-2-1-4 is driven to switch along guide rail translation, when making infrared light and visible ray work
Luminous point in Same Physical position, realize the illumination chief ray of two kinds of working conditions of infrared light and visible ray light path altogether；It is described
Light source switching mechanism 2-2-2 control infrared light light source 2-2-1-3 and visible light source 2-2-1-4 switch, master eye bottom
When infrared light illuminate eyeground, visible ray instantaneous flash when taking pictures.
When with hand-held fundus camera master eye bottom, described light source switching mechanism 2-2-2 drives mobile dress
Put drive infrared light light source 2-2-1-3 and move to operating position along guide rail, while drive visible light source 2-2-1-4 to extinguish, it is red
Outer radiant 2-2-1-3 illuminates eyeground, it is to avoid high light stimulates human eye to make pupil contraction；The light that fundus reflex is returned passes through hand-held
Fundus camera is shown, when the eye fundus image for searching out is most clear, triggering light source switching mechanism 2-2-2 drives mobile dress
Put drive infrared light light source 2-2-1-3 to remove along guide rail and extinguish, while driving mobile device to drive visible light source 2-2-1-4
Same Physical position when working with infrared light light source 2-2-1-3 is moved to along guide rail, and quickly catches the eyeground area having already aimed at
Taken pictures in domain；Immediately light source switching mechanism 2-2-2 drives mobile device to drive visible light source 2-2-1-4 to remove simultaneously along guide rail
Extinguish, while driving mobile device to drive infrared light light source 2-2-1-3 to move to former operating position along guide rail and light, it is to avoid strong
Light stimulus human eye.
Embodiment 3
As shown in Fig. 1,2,5, the hand-held fundus camera of the common light path of present invention illumination chief ray, including：Main frame 1 and mirror
2；Described camera lens 2 includes eyepiece 2-1, light source module 2-2, imaging lens module 2-3, camera lens snap ring 2-4, lens barrel 2-5, its
Feature is that described light source assembly is the single light source 2-2-1-5 with unique light-emitting area, both can be independent in same light path
Sending infrared light can also individually send visible ray, the common light path of illumination chief ray of two kinds of working conditions of infrared light and visible ray；
Described light source switching mechanism 2-2-2 provides electric signal, drives the timesharing switching on demand of infrared light and visible ray.
When with hand-held fundus camera master eye bottom, described light source switching mechanism 2-2-2 drives single light
The infrared light of source 2-2-1-5 illuminates eyeground, it is seen that light extinguishes, and can so avoid high light from stimulating human eye to make pupil contraction；It is infrared
Light is aligned by pupil to eyeground designated area, and the light that fundus reflex is returned is shown by eye-ground photography device, when
When searching out eye fundus image most clear position, light source switching mechanism 2-2-2 is triggered, extinguish infrared light, it is seen that light instantaneous flash, quickly
Taken pictures in the eyeground region that seizure has already aimed at.
Light source module 2-2 of the present invention is made up of light source assembly 2-2-1 and light source switching mechanism 2-2-2；Described
On demand timesharing switches infrared light or visible ray to light source assembly 2-2-1；Described light source switching mechanism 2-2-2 drives light source assembly 2-
2-1 is switched over, and in Same Physical position when making infrared light and visible ray work, realizes two kinds of work shapes of infrared light and visible ray
The common light path of the illumination chief ray of state；Infrared light illuminates eyeground when master eye bottom, and visible ray instantaneous flash is switched to when taking pictures；
Avoid due to human eye pupil is less and during illumination chief ray non-co- light path it is architectural limitation can not it is infinitely close due to cause
Infrared light observing eye bottom region and visible ray illuminate eyeground region and have a position deviation, or infrared light can when all illuminating eyeground
See that light can not completely illuminate eyeground completely into pupil, cause the phenomenon of poor quality images.
Claims (4)
1. a kind of illumination chief ray is total to the hand-held fundus camera of light path, including：Main frame (1) and camera lens (2), described camera lens
(2) including eyepiece (2-1), light source module (2-2), imaging lens module (2-3), camera lens snap ring (2-4), lens barrel (2-5), it is special
Levy and be, described light source module (2-2) is made up of light source assembly (2-2-1) and light source switching mechanism (2-2-2)；Described light
Source component (2-2-1) includes that one or more light sources of infrared light and visible ray can be sent；Described light source switching mechanism (2-
2-2) described light source assembly (2-2-1) is driven to switch to infrared light and visible ray luminous point in Same Physical position, master eye
Infrared light illuminates eyeground when bottom, and visible ray instantaneous flash, and infrared light and visible illumination chief ray are switched to when taking pictures
Common light path.
2. illumination chief ray according to claim 1 is total to the hand-held fundus camera of light path, it is characterised in that described
Light source assembly (2-2-1) is the wideband light source (2-2-1-2) with filtering device (2-2-1-1)；Described wideband light source (2-2-
1-2) cover infrared light and the luminous all band of visible ray, with unique light-emitting area, described light source switching mechanism (2-2-2) drives
Dynamic filtering device (2-2-1-1) switches to change printing opacity type；Wideband light source (2-2-1-2) is only allowed to send out when master eye bottom
The infrared light for going out illuminates eyeground by filtering device (2-2-1-1), and moment switching filtering device (2-2-1-1) taken pictures makes broadband
The visible ray that light source (2-2-1-2) sends is taken pictures by filtering device to eyeground；Described switching mode is to rotate, movement
Or other change the mode of printing opacity type.
3. illumination chief ray according to claim 1 is total to the hand-held fundus camera of light path, it is characterised in that described
Light source assembly (2-2-1) includes infrared light light source (2-2-1-3) and visible light source (2-2-1-4), each has independent luminous
Face, individually sends infrared light and visible ray；Described light source switching mechanism (2-2-2) drive infrared light light source (2-2-1-3) and
Visible light source (2-2-1-4) switches, described light source switching mechanism (2-2-2) control light source assembly (2-2-1) switch, aims at
Infrared light illuminates eyeground when eyeground, switch when taking pictures visible ray to infrared light Same Physical position and instantaneous flash；Institute
The switching mode stated be rotate, it is mobile or other realize the illumination chief ray of two kinds of working conditions of infrared light and visible ray light path altogether
Mode.
4. illumination chief ray according to claim 1 is total to the hand-held fundus camera of light path, it is characterised in that described
Light source assembly (2-2-1) is the single light source (2-2-1-5) with unique light-emitting area, and both can individually send infrared light can also
Individually send visible ray, the common light path of illumination chief ray of two kinds of working conditions of infrared light and visible ray；Described light source switching machine
Structure (2-2-2) provides electric signal, drives the timesharing switching on demand of infrared light and visible ray, and infrared light illuminates eye when master eye bottom
Bottom, visible ray instantaneous flash when taking pictures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710027710.7A CN106618478A (en) | 2017-01-16 | 2017-01-16 | Handheld fundus camera with main illuminating rays sharing same light path |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710027710.7A CN106618478A (en) | 2017-01-16 | 2017-01-16 | Handheld fundus camera with main illuminating rays sharing same light path |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106618478A true CN106618478A (en) | 2017-05-10 |
Family
ID=58842944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710027710.7A Pending CN106618478A (en) | 2017-01-16 | 2017-01-16 | Handheld fundus camera with main illuminating rays sharing same light path |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106618478A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107480589A (en) * | 2017-07-07 | 2017-12-15 | 广东欧珀移动通信有限公司 | Infrared light supply component and electronic installation |
| CN111096728A (en) * | 2019-08-07 | 2020-05-05 | 杭州目乐医疗科技股份有限公司 | Hand-held type eye ground camera of precision focusing is realized through changing optical path difference |
| CN113974957A (en) * | 2021-11-02 | 2022-01-28 | 北京鹰瞳科技发展股份有限公司 | Lens barrel for fundus massage device and fundus massage device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2899706Y (en) * | 2006-02-20 | 2007-05-16 | 陈平怀 | Fundus camera |
| CN201379552Y (en) * | 2009-02-27 | 2010-01-13 | 苏州六六视觉科技股份有限公司 | Mydriasis-free eyeground photographing device |
| CN102379681A (en) * | 2010-08-30 | 2012-03-21 | 佳能株式会社 | Fundus imaging apparatus |
| CN102657515A (en) * | 2012-05-10 | 2012-09-12 | 中国科学院长春光学精密机械与物理研究所 | Alignment light path device applied to retinal imaging system |
| CN202723827U (en) * | 2012-06-15 | 2013-02-13 | 福州锐视福达光电科技有限公司 | Fundus camera adopting dual-wavelength LED (Light Emitting Diode) module |
| JP2013176699A (en) * | 2013-06-26 | 2013-09-09 | Canon Inc | Ophthalmologic apparatus |
| CN104042185A (en) * | 2014-06-23 | 2014-09-17 | 屠军 | Fundus digital imaging system |
| CN105470356A (en) * | 2015-12-08 | 2016-04-06 | 聚灿光电科技股份有限公司 | Dual-wavelength LED chip and manufacturing method therefor |
| US20160148048A1 (en) * | 2013-06-18 | 2016-05-26 | Delta ID Inc. | Optimized imaging apparatus for iris imaging |
| CN106214119A (en) * | 2016-08-31 | 2016-12-14 | 苏州微清医疗器械有限公司 | Confocal laser optical fundus angiographic instrument |
-
2017
- 2017-01-16 CN CN201710027710.7A patent/CN106618478A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2899706Y (en) * | 2006-02-20 | 2007-05-16 | 陈平怀 | Fundus camera |
| CN201379552Y (en) * | 2009-02-27 | 2010-01-13 | 苏州六六视觉科技股份有限公司 | Mydriasis-free eyeground photographing device |
| CN102379681A (en) * | 2010-08-30 | 2012-03-21 | 佳能株式会社 | Fundus imaging apparatus |
| CN102657515A (en) * | 2012-05-10 | 2012-09-12 | 中国科学院长春光学精密机械与物理研究所 | Alignment light path device applied to retinal imaging system |
| CN202723827U (en) * | 2012-06-15 | 2013-02-13 | 福州锐视福达光电科技有限公司 | Fundus camera adopting dual-wavelength LED (Light Emitting Diode) module |
| US20160148048A1 (en) * | 2013-06-18 | 2016-05-26 | Delta ID Inc. | Optimized imaging apparatus for iris imaging |
| JP2013176699A (en) * | 2013-06-26 | 2013-09-09 | Canon Inc | Ophthalmologic apparatus |
| CN104042185A (en) * | 2014-06-23 | 2014-09-17 | 屠军 | Fundus digital imaging system |
| CN105470356A (en) * | 2015-12-08 | 2016-04-06 | 聚灿光电科技股份有限公司 | Dual-wavelength LED chip and manufacturing method therefor |
| CN106214119A (en) * | 2016-08-31 | 2016-12-14 | 苏州微清医疗器械有限公司 | Confocal laser optical fundus angiographic instrument |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107480589A (en) * | 2017-07-07 | 2017-12-15 | 广东欧珀移动通信有限公司 | Infrared light supply component and electronic installation |
| WO2019007141A1 (en) * | 2017-07-07 | 2019-01-10 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Infrared light source component and electronic device |
| CN111096728A (en) * | 2019-08-07 | 2020-05-05 | 杭州目乐医疗科技股份有限公司 | Hand-held type eye ground camera of precision focusing is realized through changing optical path difference |
| CN113974957A (en) * | 2021-11-02 | 2022-01-28 | 北京鹰瞳科技发展股份有限公司 | Lens barrel for fundus massage device and fundus massage device |
| CN113974957B (en) * | 2021-11-02 | 2023-11-17 | 北京鹰瞳科技发展股份有限公司 | Lens barrel for fundus massage device and fundus massage device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2908725C (en) | Multiple-view composite ophthalmic iridocorneal angle imaging system | |
| WO2006016366A3 (en) | Integrated retinal imager and method | |
| US20070019160A1 (en) | Ring light fundus camera | |
| CN108670192A (en) | A kind of multispectral eyeground imaging system and method for dynamic vision stimulation | |
| MX2011004021A (en) | Apparatus and method for imaging the eye. | |
| CN104936542A (en) | Portable endoscope system | |
| CN106618478A (en) | Handheld fundus camera with main illuminating rays sharing same light path | |
| JP2011177273A (en) | Slit-lamp microscope | |
| US20100253910A1 (en) | Ocular light stimulus apparatus | |
| US20180042475A1 (en) | Ophthalmoscope | |
| JP2003047595A (en) | Ophthalmic imaging system | |
| US9131837B2 (en) | Method and apparatus for imaging the choroid | |
| CN107997737A (en) | Ocular imaging system, method and device | |
| CN205697699U (en) | Retinal function imaging device | |
| CN113974957B (en) | Lens barrel for fundus massage device and fundus massage device | |
| CA2840124C (en) | Method and apparatus for imaging the choroid | |
| EP1992277A1 (en) | Optical device and method for acquiring images of eye structures | |
| CN104887179A (en) | Visual handheld fundus camera without display screen | |
| JP6732134B2 (en) | Ophthalmic imaging device | |
| US20070030448A1 (en) | Illumination unit for fundus cameras and/or ophthalmoscopes | |
| CN211324948U (en) | Dry eye detector | |
| CN113509142A (en) | Large-visual-field retina examination device | |
| CN210749158U (en) | Hand-held type eye ground camera of precision focusing is realized through changing optical path difference | |
| RU175913U1 (en) | FRONT EYE SEGMENT LIGHT | |
| CN112137574A (en) | Auxiliary lighting device for ophthalmic slit lamp |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170510 |
|
| RJ01 | Rejection of invention patent application after publication |