CN208551763U - A kind of eyes 3D imaging system - Google Patents

Abstract

The utility model relates to a kind of eyes 3D imaging systems, including objective system, divided beam system, multiple imaging lens systems, multiple bandpass filters, multiple images capturing unit and computer；The objective system collects the fluorescent light beam from the illuminating bundle or transmitting of fundus reflex or transmitting；The divided beam system receives the light beam from the objective system and light beam is divided into multiple light beams, and each light beam is characterized in that the different perspectives on eyeground；Multiple imaging lens systems receive the single light beam from the divided beam system respectively；Multiple bandpass filters can receive the light beam from the imaging lens system respectively；Multiple described image capturing units capture the image that the light beam from the bandpass filter is transmitted respectively；The computer is for receiving from described image capturing unit picture signal and being combined into 3D rendering.

Description

A kind of eyes 3D imaging system

Technical field

The utility model relates to a kind of eyes 3D imaging systems, especially design a kind of wide-angle with stereoscopic viewing ability Non-contact eyeground imaging system.

Background technique

Traditional fundus camera is well known in the art, and most of which is general using identical illumination It reads, wherein light beam is combined in the optical path.In fact, pupil is as illumination and peep hole.But the view of traditional fundus camera Open country is limited in the 50-60 degree of maximum coverage range.

Although in the prior art, such as scanning laser ophthalmoscope based on laser can increase the visual field, such to set For not portable and prices are rather stiff.

Current published ophthalmoscope such as CN103431839A discloses a kind of fundus camera, including photographic optics system System and lures optometry system at lamp optical system, and the lamp optical system includes hollow reflective mirror, and graticle is by the member that shines Part is lured optometry system in tested fundus imaging after illuminating, make the direction of gaze of tested eye and the optical axis one of photograph photosystem It causes, the active guide to tested eye is realized, to be aligned.CN10617660A discloses a kind of hand fundus camera, this is hand-held Fundus camera is provided with the fixation lamp outside the hand fundus camera, to fix the optical axis for the eye that is not taken, And then the optical axis of the fixed eye that is taken is realized by the conjugate gaze ability of eyes.However, being used in above-mentioned fundus camera Imaging system, it is seen that eye image be plane, these equipment are required to the cornea of contact eyes, can allow examiner Eyes feel uncomfortable.

Utility model content

In order to solve the above problem present in the prior art, the utility model provides a kind of eyes 3D imaging system, The system can allow the viewer to the stereo-picture of enough viewing eyes, and testing result is accurate, while have high-resolution wide Angle.

The technical solution of the utility model is as follows:

A kind of eyes 3D imaging system, including the filter of objective system, divided beam system, multiple imaging lens systems, multiple band logicals Wave device, multiple images capturing unit and computer；The objective system collect illuminating bundle from fundus reflex or transmitting or The fluorescent light beam of transmitting；The divided beam system receives the light beam from the objective system and light beam is divided into multiple light beams, often A light beam is characterized in that the different perspectives on eyeground；Multiple imaging lens systems are received respectively from the divided beam system Single light beam；Multiple bandpass filters can receive the light beam from the imaging lens system respectively；Multiple described images Capturing unit captures the image that the light beam from the bandpass filter is transmitted respectively；The computer comes from institute for receiving It states image capturing unit picture signal and is combined into 3D rendering.

Further, the objective system collects the light beam at 80-120 degree visual angle.

Further, the objective system can realize that diameter is the high-resolution imaging of 15-20 microns of retinal feature.

Further, the imaging lens system is spherical lens or non-spherical lens.

Further, the divided beam system is made of one of prism, reflecting mirror and lens or combinations thereof.

Further, the divided beam system and the imaging lens system are made of glass or plastics.

Further, each imaging lens system is at least made of a lens.

Further, each imaging lens system includes at least one in relay lens system and aberration correction lens system It is a.

The utility model has the following beneficial effects:

1, a kind of eyes 3D imaging system of the utility model, the system can allow the viewer to the perspective view of enough viewing eyes Picture, and testing result is accurate, has high-resolution wide-angle；The system is a kind of non-contact eyeground imaging system simultaneously, because This this device does not need for illumination optics and imaging optic element to be combined together.

2, a kind of eyes 3D imaging system of the utility model, is a kind of portable, hand-held, and compact is light-weight and easy In the imaging system of operation, while it is easy to check.

3, a kind of eyes 3D imaging system of the utility model, can captured in real-time eyeground stereo-picture without expand pupil Hole.

4, a kind of eyes 3D imaging system of the utility model eliminates the needs that machine is directly contacted with cornea, thus Simplify the discomfort for checking program and saving patient.

5, a kind of eyes 3D imaging system of the utility model, the imaging system are the autonomous systems separated with lighting system, Therefore, it can obtain image from each angle, and not have to worry color difference.

6, a kind of eyes 3D imaging system of the utility model, the imaging system can be realized the wide-angle of about 80-120 degree at Image angle degree, no and Corneal Contact, does not need the expansion of pupil yet.

7, a kind of eyes 3D imaging system of the utility model, imaging system can provide high resolution 3 d imaging function in real time Can, imaging system can easily be switched to blood vessel by being inserted into single optical filter (only fluorescence being allowed to reach camera) in the optical path Radiography 3D watches (3D video).

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram of eyes 3D imaging system in the utility model；

Fig. 2 is the structural schematic diagram of the utility model eye detection device.

Appended drawing reference indicates in figure are as follows:

1, objective system；2, divided beam system；3, imaging lens system；4, bandpass filter；5, image capturing unit；6, it counts Calculation machine；7, eyes；8, eye detection device；9, lighting system；10, sclera.

Specific embodiment

The utility model is described in detail in the following with reference to the drawings and specific embodiments.

As shown in Figure 1, a kind of eyes 3D imaging system, including objective system 1, divided beam system 2, multiple imaging lens systems 3, multiple bandpass filters 4, multiple images capturing unit 5 and computer 6；Objective system 1 is collected from fundus reflex or transmitting Illuminating bundle or transmitting fluorescent light beam；Divided beam system 2 receives the light beam from objective system 1 and light beam is divided into multiple light Beam, different perspectives of each light beam from eyeground；Multiple imaging lens systems 3 are received respectively from the single of divided beam system 2 Light beam；Multiple bandpass filters 4 can receive the light beam from imaging lens system 3 respectively；Multiple images capturing unit 5 is caught respectively Obtain the image that the light beam from bandpass filter 4 is transmitted；Computer 6 comes from 5 picture signal of image capturing unit for receiving And it is combined into 3D rendering.

Further, bandpass filter 4, can be adjusted according to actual needs by wavelength, can choose wherein Any one adjusts its wavelength passed through, bandpass filter 4 can be designed as being only capable of the wavelength light beam by needed for us, from And operator/doctor is allowed to be able to observe that its required view；Or bandpass filter 4 can also be arranged to by whole The filter of a wavelength, to realize the view of entire frequency spectrum.

Further, image capture unit 5 can be fully enclosed camera, board-like video camera, tool there are two sensor Board-like video camera, while being also possible to CCD or CMOS type camera (monochromatic or colored configuration).In addition, image capturing unit 5 Size and Pixel Dimensions it is adjustable, required system magnifying power and resolution ratio can be met.

Further, objective system 1 may include single concentrating element, allow doctor from newborn to adult with And focusedimage is obtained under the broad range of eyes type under the conditions of various eyes.Focusing member can automatically or manually be controlled Part.

Further, objective system 1 collects the light beam at 80-120 degree visual angle.

Further, objective system 1 can realize that diameter is the high-resolution imaging of 15-20 microns of retinal feature.

Further, imaging lens system 3 is spherical lens or non-spherical lens.

Further, divided beam system 2 is made of one of prism, reflecting mirror and lens or combinations thereof.

Further, divided beam system 2 and imaging lens system 3 are made of glass or plastics.

Further, each imaging lens system 3 is at least made of a lens.

Further, each imaging lens system 3 include in relay lens system and aberration correction lens system at least One, to obtain high quality undistorted image.

Image capture unit 5 can be fully enclosed camera, board-like video camera, tool, and there are two the board-like camera shootings of sensor Machine, while being also possible to CCD or CMOS type camera (monochromatic or colored configuration).In addition, the size and picture of image capturing unit 5 Plain dimension adjustable can meet required system magnifying power and resolution ratio, and then be able to observe that operator/doctor entirely Portion's image is without slicing, and operator/doctor can watch eyes in the case where not handling pixel Fine-feature.

The monochromatic view of eyes can obtain stereo-picture by setting particular color illumination, and this system does not need The additional filter in image path.Further, it is also possible to green and blue wavelength illumination obtains full-colour image by with red, And the multiple separate pictures obtained in each color finally can be combined into single full-colour image by computer 6.

Principle

It referring to fig. 2, is a kind of eye detection device 8, which includes the three-dimensional wide angle imaging system of Fig. 1 and individually shine Bright system 9, the lighting system 9 are ring light fiber lighting system, and ring light fiber lighting system contact is either very Close to sclera 10, by being illuminated to sclera 10 and (not needing expansion pupil), then objective system 1 collect from fundus reflex or The illuminating bundle of transmitting is divided into multiple light beams by divided beam system 2 by the illuminating bundle of objective system 1, and each light beam is by image It is separated to image capturing unit 5, each image angle different from eyes, so that being ultimately imaged can obtain completely Three-dimensional view.

User when in use, can choose and replace different optical filters in imaging systems, such as in the light of imaging system It is inserted into single optical filter (only fluorescence being allowed to reach camera) in road, can easily be switched to angiography 3D viewing (3D video).

The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in Other related technical areas are also included in the patent protection scope of the utility model.

Claims (7)

1. a kind of eyes 3D imaging system, it is characterised in that: including objective system (1), divided beam system (2), multiple imaging lens System (3), multiple bandpass filters (4), multiple images capturing unit (5) and computer (6)；The objective system (1) is received Collect the fluorescent light beam from the illuminating bundle or transmitting of fundus reflex or transmitting；The divided beam system (2) receives to come from the object lens Light beam is simultaneously divided into multiple light beams by the light beam of system (1)；Multiple imaging lens systems (3) are received respectively from the beam splitting The single light beam of system (2)；Multiple bandpass filters (4) can receive the light from the imaging lens system (3) respectively Beam；Multiple described image capturing units (5) capture the image that the light beam from the bandpass filter (4) is transmitted respectively；Institute State computer (6) for receive come from and described image capturing unit (5) picture signal and be combined into 3D rendering；The objective system (1) light beam at 80-120 degree visual angle is collected.

2. a kind of eyes 3D imaging system as described in claim 1, it is characterised in that: the objective system (1) can be achieved straight The high-resolution imaging for the retinal feature that diameter is 15-20 microns.

3. a kind of eyes 3D imaging system as claimed in claim 2, it is characterised in that: the imaging lens system (3) is ball Face lens or non-spherical lens.

4. a kind of eyes 3D imaging system as claimed in claim 3, it is characterised in that: the divided beam system (2) is by prism, anti- Penetrate one of mirror and lens or combinations thereof composition.

5. a kind of eyes 3D imaging system as claimed in claim 4, it is characterised in that: the divided beam system (2) and it is described at As lens system (3) are made of glass or plastics.

6. a kind of eyes 3D imaging system as described in claim 1, it is characterised in that: each imaging lens system (3) is at least It is made of a lens.

7. a kind of eyes 3D imaging system as described in claim 1, it is characterised in that: each imaging lens system (3) includes At least one of relay lens system and aberration correction lens system.