CN106419829A - Optical system of full-automatic optometry unit and automatic detecting and positioning method of optical system - Google Patents
Optical system of full-automatic optometry unit and automatic detecting and positioning method of optical system Download PDFInfo
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- CN106419829A CN106419829A CN201610766656.3A CN201610766656A CN106419829A CN 106419829 A CN106419829 A CN 106419829A CN 201610766656 A CN201610766656 A CN 201610766656A CN 106419829 A CN106419829 A CN 106419829A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 95
- 238000000034 method Methods 0.000 title claims abstract description 15
- 210000001747 pupil Anatomy 0.000 claims abstract description 38
- 238000012544 monitoring process Methods 0.000 claims abstract description 13
- 238000009826 distribution Methods 0.000 claims description 6
- 238000003384 imaging method Methods 0.000 claims description 6
- 238000009738 saturating Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000005286 illumination Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 4
- 238000004904 shortening Methods 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001179 pupillary effect Effects 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
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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
- A61B3/103—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining refraction, e.g. refractometers, skiascopes
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- Heart & Thoracic Surgery (AREA)
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- Veterinary Medicine (AREA)
- Eye Examination Apparatus (AREA)
Abstract
The invention relates to an optical system of a full-automatic optometry unit and an automatic detecting and positioning method of the optical system. The optical system comprises a projecting light path, a measuring light path, a fixation system and a detected eye locating and monitoring system, and further comprises a green light source and a blue light source; a focus point of conical light beams transmitted by the green light source and the blue light source is overlapped with a locating point of a detected eye pupil; the conical light beam transmitted by the green light source is distributed in a mode of forming a 38-degree included angle with a light path formed by the locating point of the detected eye pupil and the detected eye locating and monitoring system; and the conical light beam transmitted by the blue light source is distributed in a mode of forming a 28-degree included angle with the light path formed by the locating point of the detected eye pupil and the detected eye locating and monitoring system. With the application of the full-automatic optometry provided by the invention, various optometry examinations can be precisely and regularly completed in time-saving and labor-saving modes; and the full-automatic optometry strives to make a breakthrough in aspects of simplifying operations, shortening a measurement time and improving an automation degree.
Description
Technical field
The invention belongs to optometry unit technical field, particularly relate to the optical system of a kind of full-automatic optometry unit and automatically examine
Measure method for position.
Background technology
Based on current domestic optometry unit still operates with traditional physical button and hand, finding human eye and positioning
Aspect is comparatively laborious, expend time manpower, and it is bigger to measure cumulative errors, if measuring bad, also can cause patient
Impact, so relatively expecting to full-automatic and automation contrast locating.
Content of the invention
It is an object of the invention to the deficiency overcoming prior art to exist, and a kind of minimizing human error is provided, improves and survey
The optical system of the full-automatic optometry unit of accuracy of measurement and automatic detecting-positioning method thereof.
It is an object of the invention to complete by following technical solution, including projecting light path, optical path, fixation system
And tested eye positioning monitoring system, described projecting light path successively by infrared light supply, the first optical tubes, the first lens, first
Reflective mirror, the first spectroscope, second spectroscope composition, described optical path successively by rotating prism, the second reflective mirror, second
Lens, the second optical tubes, the first ccd image sensor composition, described fixation system is successively by visible light source, the 3rd optics
Lens barrel, the 4th optical tubes, the 3rd lens, the 3rd reflective mirror composition, described tested eye positioning monitoring system is successively by the 4th
Lens, the 5th optical tubes, the 6th optical tubes, the second ccd image sensor composition；This optical system also include green
Light source and blue-light source, the cone-shaped beam focus point that this green light source and blue-light source are launched and tested oculopupillary anchor point phase
Overlap, the light at the cone-shaped beam that this green light source is launched and tested oculopupillary anchor point and tested eye positioning monitoring system place
Road is 38 ° of angle shape distributions, the cone-shaped beam that this blue-light source is launched and tested oculopupillary anchor point and tested eye positioning prison
The light path at viewing system place is 28 ° of angle shape distributions.
As preferably, described tested oculopupillary picture and the second spectroscope, the 4th lens, the 5th optical tubes, the 6th
Optical tubes, the second ccd image sensor are in same light path, this second spectroscope and the first spectroscope and the 3rd reflective mirror
Be in same light path, wherein the 3rd reflective mirror and visible light source, the 3rd optical tubes, the 4th optical tubes, at the 3rd lens
In same light path, the first spectroscope and rotating prism, the first reflective mirror, the second reflective mirror are in same light path, and second is anti-
Light microscopic and the second lens, the second optical tubes, the first ccd image sensor are in same light path, the first reflective mirror with infrared
Light source, the first optical tubes, the first lens are in same light path.
As preferably, described visible light source, the 3rd optical tubes, the 4th optical tubes, the 3rd lens, the 3rd reflective mirror
The light path at place and the second spectroscope, the first spectroscope, the light path at the 3rd reflective mirror place are 45 ° of reflections；Second spectroscope,
One spectroscope, light path and second spectroscope at the 3rd reflective mirror place, the 4th lens, the 5th optical tubes, the 6th optical tubes,
The light path at the second ccd image sensor place is 45 ° of reflections.
As preferably, described the first spectroscope, the second spectroscope are to be made by multilayer film vacuum method, and it is to infrared
The transmission of optical source wavelength and reflection ratio are 1:1.
A kind of automatic detecting-positioning method of the optical system using optometry unit described above full-automatic, the method include as
Lower step：
1), infrared light supply sends light source and forms circular target through the first optical tubes, and through the first lens exiting parallel,
Through the first mirror reflection and the first spectroscope, the second dichroic mirror entrance tested eye pupil；
2), the light returned from tested eye pupillary reflex is through the second spectroscope, the first dichroic mirror and by rotating rib
Aperture on mirror and the first reflective mirror reaches the second reflective mirror, through the second lens, the second optics after the second mirror reflection
Lens barrel, finally forms ring picture on the first ccd image sensor；
3), visible light source passes through the 3rd optical tubes, the 4th optical tubes, and through the 3rd lens, parallel to incide the 3rd reflective
On mirror, after the 3rd mirror reflection, reach tested eye pupil through the first spectroscope, the second spectroscope；
4), wavelength is different from the infrared light of infrared light supply and becomes collimated light beam through the 4th lens, and the second spectroscope projection is illuminated
Tested eye pupil, and together with the cone-shaped beam that green light source, blue-light source are launched again through the second spectroscope, the 4th lens,
5th optical tubes, the 6th optical tubes, finally imaging on the second ccd image sensor, and make tested oculopupillary picture and
Preset point-like circle is with one heart.
As preferably, tested oculopupillary picture uses the green light source of asymmetric oblique illumination, both blue-light sources to be launched
Cone-shaped beam judges out of focus direction, and the cone-shaped beam just launched in green light source and blue-light source when tested eye pupil gathers
During focus, the cone-shaped beam that green light source, both blue-light sources are launched can be entered second by tested oculopupillary corneal reflection
Imaging on ccd image sensor, when tested eye pupil out of focus to the right, the cone-shaped beam that only blue-light source is launched is reflected into
Second ccd image sensor, otherwise, when tested eye pupil out of focus to the left, the cone-shaped beam that only green light source is launched reflects
Enter the second ccd image sensor.
Beneficial effects of the present invention is：This optometry unit is by blue light and green glow Automatic-searching eyes and positioning, automatically
Control motor all around moves up and down, until finding eyes and positioning, and last measurement automatically, decrease human error, carry
High measurement accuracy；Can save time, laborsaving, and can precise specifications complete every eye regard optical test, make every effort to simplify operation, shorten survey
The amount time, improve automaticity aspect and make a breakthrough.
Brief description
Fig. 1 is the light path principle schematic diagram of the present invention.
Label in accompanying drawing is respectively：101st, outer light source；102nd, the first optical tubes；103rd, the first lens；104th, first
Reflective mirror；105th, the first spectroscope；106th, the second spectroscope；201st, rotating prism；202nd, the second reflective mirror；203rd, second is saturating
Mirror；204th, the second optical tubes；205th, the first ccd image sensor；301st, visible light source；302nd, the 3rd optical tubes；303、
4th optical tubes；304th, the 3rd lens；305th, the 3rd reflective mirror；401st, the 4th lens；402nd, the 5th optical tubes；403rd,
Six optical tubes；404th, the second ccd image sensor；501st, blue-light source；502nd, green light source；601st, tested eye pupil.
Detailed description of the invention
Do detailed introduction below in conjunction with accompanying drawing to the present invention：As shown in Figure 1, the present invention includes projecting light path, survey
Amount light path, fixation system and tested eye positioning monitoring system, it is characterised in that：Described projecting light path is successively by infrared light supply
101st, the first optical tubes the 102nd, the first lens the 103rd, the first reflective mirror the 104th, the first spectroscope the 105th, 106 groups of the second spectroscope
Becoming, described optical path is successively by rotating prism the 201st, the second reflective mirror the 202nd, the second lens the 203rd, the second optical tubes the 204th,
First ccd image sensor 205 forms, and described fixation system is successively by visible light source the 301st, the 3rd optical tubes the 302nd, the 4th
Optical tubes the 303rd, the 3rd lens the 304th, the 3rd reflective mirror 305 forms, and described tested eye positioning monitoring system is successively by the 4th
Lens the 401st, the 5th optical tubes the 402nd, the 6th optical tubes the 403rd, the second ccd image sensor 404 forms；In this optical system
On also include green light source 502 and blue-light source 501, cone-shaped beam that both this green light source 502 and blue-light source 501 are launched focuses on
Point coincides with the anchor point of tested eye pupil 601, the cone-shaped beam that this green light source 502 is launched and tested eye pupil 601
The light path at anchor point and tested eye positioning monitoring system place is 38 ° of angle shape distributions, the cone of light that this blue-light source 501 is launched
Bundle and the anchor point of tested eye pupil 601 and the light path at tested eye positioning monitoring system place are 28 ° of angle shape distributions.
Described tested eye pupil 601 as and the second spectroscope the 106th, the 4th lens the 401st, the 5th optical tubes the 402nd, the
Six optical tubes the 403rd, the second ccd image sensor 404 is in same light path, this second spectroscope 106 and the first spectroscope
105 and the 3rd reflective mirror 305 be in same light path, wherein the 3rd reflective mirror 305 and visible light source the 301st, the 3rd optical tubes
302nd, the 4th optical tubes the 303rd, the 3rd lens 304 are in same light path, the first spectroscope 105 and rotating prism the 201st, first
Reflective mirror the 104th, the second reflective mirror 202 is in same light path, the second reflective mirror 202 and the second lens the 203rd, the second optical tubes
204th, the first ccd image sensor 205 is in same light path, the first reflective mirror 104 and infrared light supply the 101st, the first optical frames
Cylinder the 102nd, the first lens 103 are in same light path.
Described visible light source the 301st, the 3rd optical tubes the 302nd, the 4th optical tubes the 303rd, the 3rd lens are the 304th, the 3rd anti-
The light path at the light path at light microscopic 305 place and the second spectroscope the 106th, the first spectroscope the 105th, the 3rd reflective mirror 305 place be 45 ° anti-
Penetrate；The light path at the second spectroscope the 106th, the first spectroscope the 105th, the 3rd reflective mirror 305 place and the second spectroscope are the 106th, the 4th saturating
The light path at mirror the 401st, the 5th optical tubes the 402nd, the 6th optical tubes the 403rd, the second ccd image sensor 404 place be 45 ° anti-
Penetrate.
The first described spectroscope the 105th, the second spectroscope 106 is to be made by multilayer film vacuum method, and it is to infrared light
The transmission of source 101 wavelength and reflection ratio are 1:1.
The automatic detecting-positioning method of a kind of optical system using full-automatic optometry unit, the method comprises the steps：
1), infrared light supply 101 sends light source and forms circular target through the first optical tubes 102, and through the first lens 103
Exiting parallel, reflects through the first reflective mirror 104 and the first spectroscope the 105th, the second spectroscope 106 is reflected into tested eye pupil
601；
2), reflect from the light that tested eye pupil 601 reflects through the second spectroscope the 106th, the first spectroscope 105 and lead to
Cross the aperture on rotating prism 201 and the first reflective mirror 104 and reach the second reflective mirror 202, warp after the second reflective mirror 202 reflection
Cross the second lens the 203rd, the second optical tubes 204, on the first ccd image sensor 205, finally form ring picture；
3), visible light source 301 passes through the 3rd optical tubes the 302nd, the 4th optical tubes 303, through the 3rd lens 304 parallel enter
It is mapped on the 3rd reflective mirror 305, after the 3rd reflective mirror 305 reflection, reach quilt through the first spectroscope the 105th, the second spectroscope 106
Survey eye pupil hole 601；
4), wavelength is different from the infrared light of infrared light supply 101 and becomes collimated light beam through the 4th lens 401, the second spectroscope 106
Tested eye pupil 601 is illuminated in projection, and again through second together with green light source the 502nd, cone-shaped beam that both blue-light sources 501 are launched
Spectroscope the 106th, the 4th lens the 401st, the 5th optical tubes the 402nd, the 6th optical tubes 403, finally at the second ccd image sensor
Imaging on 404, and make the picture of tested eye pupil 601 and preset point-like circle concentric.
Green light source the 502nd, both blue-light sources 501 as the asymmetric oblique illumination of employing of tested eye pupil 601 are launched
Cone-shaped beam judges out of focus direction, is launched in both green light source 502 and blue-light source 501 when tested eye pupil 601 is lucky
During cone-shaped beam focus point, green light source the 502nd, cone-shaped beam that both blue-light sources 501 are launched can be by tested eye pupil 601
Corneal reflection enter imaging on the second ccd image sensor 404, when tested eye pupil 601 out of focus to the right, only blue-light source
501 cone-shaped beams launched are reflected into the second ccd image sensor 404, otherwise, when tested eye pupil 601 out of focus to the left
When, the cone-shaped beam that only green light source 502 is launched is reflected into the second ccd image sensor 404.
It is understood that it will be understood by those skilled in the art that to technical scheme and inventive concept in addition etc.
All should belong to the protection domain of appended claims of the invention with replacement or change.
Claims (6)
1. an optical system for full-automatic optometry unit, including projecting light path, optical path, fixation system and tested eye positioning prison
Viewing system, it is characterised in that：Described projecting light path is successively by infrared light supply (101), the first optical tubes (102), first saturating
Mirror (103), the first reflective mirror (104), the first spectroscope (105), the second spectroscope (106) composition, described optical path depends on
Secondary by rotating prism (201), the second reflective mirror (202), the second lens (203), the second optical tubes (204), the first ccd image
Sensor (205) forms, and described fixation system is successively by visible light source (301), the 3rd optical tubes (302), the 4th optics
Lens barrel (303), the 3rd lens (304), the 3rd reflective mirror (305) composition, described tested eye positioning monitoring system is successively by the
Four lens (401), the 5th optical tubes (402), the 6th optical tubes (403), the second ccd image sensor (404) composition；?
Green light source (502) and blue-light source (501), this green light source (502) and both institutes of blue-light source (501) are also included in this optical system
The cone-shaped beam focus point launched coincides with the anchor point of tested eye pupil (601), the taper that this green light source (502) is launched
Light beam and the anchor point of tested eye pupil (601) and the light path at tested eye positioning monitoring system place are 38 ° of angle shape distributions, should
The anchor point of the cone-shaped beam that blue-light source (501) is launched and tested eye pupil (601) and tested eye positioning monitoring system place
Light path be the distributions of 28 ° of angle shapes.
2. the optical system of full-automatic optometry unit according to claim 1, it is characterised in that：Described tested eye pupil
(601) as with the second spectroscope (106), the 4th lens (401), the 5th optical tubes (402), the 6th optical tubes (403),
Second ccd image sensor (404) is in same light path, this second spectroscope (106) and the first spectroscope (105) and the 3rd
Reflective mirror (305) is in same light path, wherein the 3rd reflective mirror (305) and visible light source (301), the 3rd optical tubes
(302), the 4th optical tubes (303), the 3rd lens (304) are in same light path, the first spectroscope (105) and rotating prism
(201), the first reflective mirror (104), the second reflective mirror (202) are in same light path, the second reflective mirror (202) and the second lens
(203), the second optical tubes (204), the first ccd image sensor (205) are in same light path, the first reflective mirror (104)
It is in same light path with infrared light supply (101), the first optical tubes (102), the first lens (103).
3. the optical system of full-automatic optometry unit according to claim 2, it is characterised in that：Described visible light source
(301), the 3rd optical tubes (302), the 4th optical tubes (303), the 3rd lens (304), the 3rd reflective mirror (305) place
Light path and the second spectroscope (106), the first spectroscope (105), the light path at the 3rd reflective mirror (305) place are 45 ° of reflections；Second
Spectroscope (106), the first spectroscope (105), light path and second spectroscope (106) at the 3rd reflective mirror (305) place, the 4th saturating
Mirror (401), the 5th optical tubes (402), the 6th optical tubes (403), the light path at the second ccd image sensor (404) place
In 45 ° of reflections.
4. the optical system of full-automatic optometry unit according to claim 1, it is characterised in that：The first described spectroscope
(105), the second spectroscope (106) is to be made by multilayer film vacuum method, and it is to the transmission of infrared light supply (101) wavelength and anti-
The ratio of penetrating is 1:1.
5. using an automatic detecting-positioning method for the optical system of full-automatic optometry unit as claimed in claim 1, it is special
Levy and be：The method comprises the steps：
1), infrared light supply (101) sends light source and forms circular target through the first optical tubes (102), and through the first lens
(103) exiting parallel, reflects into through the first reflective mirror (104) reflection and the first spectroscope (105), the second spectroscope (106)
Enter tested eye pupil (601)；
2), reflect simultaneously from the light that tested eye pupil (601) reflects through the second spectroscope (106), the first spectroscope (105)
Reach the second reflective mirror (202) by the aperture on rotating prism (201) and the first reflective mirror (104), through the second reflective mirror
(202) through the second lens (203), the second optical tubes (204) after reflecting, finally on the first ccd image sensor (205)
Form ring picture；
3), visible light source (301) passes through the 3rd optical tubes (302), the 4th optical tubes (303), puts down through the 3rd lens (304)
Row incides on the 3rd reflective mirror (305), through the first spectroscope (105), the second spectroscope after the 3rd reflective mirror (305) reflection
(106) tested eye pupil (601) is reached；
4), wavelength is different from the infrared light of infrared light supply (101) through the 4th lens (401) one-tenth collimated light beam, the second spectroscope
(106) tested eye pupil (601), and the cone-shaped beam launched with both green light source (502), blue-light source (501) are illuminated in projection
Together again through the second spectroscope (106), the 4th lens (401), the 5th optical tubes (402), the 6th optical tubes (403),
After in the upper imaging of the second ccd image sensor (404), and make the picture of tested eye pupil (601) and preset point-like circle with one heart.
6. the automatic detecting-positioning method of the optical system of full-automatic optometry unit according to claim 5, it is characterised in that：
The cone that the green light source (502) as the asymmetric oblique illumination of employing of tested eye pupil (601), both blue-light sources (501) are launched
Shaped light beam judges out of focus direction, when tested eye pupil (601) is sent out in both green light source (502) and blue-light source (501) just
During the cone-shaped beam focus point penetrated, the cone-shaped beam that both green light source (502), blue-light source (501) are launched can be tested
The corneal reflection in eye pupil hole (601) enters the upper imaging of the second ccd image sensor (404), when tested eye pupil (601) to the right from
The cone-shaped beam that Jiao Shi, only blue-light source (501) are launched is reflected into the second ccd image sensor (404), otherwise, work as quilt
When surveying eye pupil hole (601) out of focus to the left, the cone-shaped beam that only green light source (502) is launched is reflected into the second ccd image and passes
Sensor (404).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610766656.3A CN106419829B (en) | 2016-08-30 | 2016-08-30 | A kind of optical system and its automatic detecting-positioning method of full-automatic optometry unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610766656.3A CN106419829B (en) | 2016-08-30 | 2016-08-30 | A kind of optical system and its automatic detecting-positioning method of full-automatic optometry unit |
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| Publication Number | Publication Date |
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| CN106419829A true CN106419829A (en) | 2017-02-22 |
| CN106419829B CN106419829B (en) | 2018-07-31 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4021102A (en) * | 1973-11-26 | 1977-05-03 | Kabushiki Kaisha Hoya Lens | Auto-refractometer |
| JPH0523302A (en) * | 1991-07-19 | 1993-02-02 | Canon Inc | Optometry device |
| CN1194131A (en) * | 1998-03-30 | 1998-09-30 | 华北工学院 | Optical system for objective optometry instrument |
| US20140049749A1 (en) * | 2011-02-22 | 2014-02-20 | Imagine Eyes | Method and device for high-resolution retinal imaging |
| CN204671110U (en) * | 2015-02-05 | 2015-09-30 | 宁波法里奥光学科技发展有限公司 | Optical system in a kind of eye refractometer |
| CN206228324U (en) * | 2016-08-30 | 2017-06-09 | 宁波法里奥光学科技发展有限公司 | A kind of optical system of full-automatic optometry unit |
-
2016
- 2016-08-30 CN CN201610766656.3A patent/CN106419829B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4021102A (en) * | 1973-11-26 | 1977-05-03 | Kabushiki Kaisha Hoya Lens | Auto-refractometer |
| JPH0523302A (en) * | 1991-07-19 | 1993-02-02 | Canon Inc | Optometry device |
| CN1194131A (en) * | 1998-03-30 | 1998-09-30 | 华北工学院 | Optical system for objective optometry instrument |
| US20140049749A1 (en) * | 2011-02-22 | 2014-02-20 | Imagine Eyes | Method and device for high-resolution retinal imaging |
| CN204671110U (en) * | 2015-02-05 | 2015-09-30 | 宁波法里奥光学科技发展有限公司 | Optical system in a kind of eye refractometer |
| CN206228324U (en) * | 2016-08-30 | 2017-06-09 | 宁波法里奥光学科技发展有限公司 | A kind of optical system of full-automatic optometry unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106419829B (en) | 2018-07-31 |
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