CN106419829B - A kind of optical system and its automatic detecting-positioning method of full-automatic optometry unit - Google Patents
A kind of optical system and its automatic detecting-positioning method of full-automatic optometry unit Download PDFInfo
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- CN106419829B CN106419829B CN201610766656.3A CN201610766656A CN106419829B CN 106419829 B CN106419829 B CN 106419829B CN 201610766656 A CN201610766656 A CN 201610766656A CN 106419829 B CN106419829 B CN 106419829B
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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
- 238000012544 monitoring process Methods 0.000 claims abstract description 13
- 210000001747 pupil Anatomy 0.000 claims description 35
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000005286 illumination Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 238000009738 saturating Methods 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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- Eye Examination Apparatus (AREA)
Abstract
The present invention relates to a kind of optical systems and its automatic detecting-positioning method of full-automatic optometry unit, including projecting light path, optical path, fixation system and tested eye positioning monitoring system, further include having green light source and blue-light source in the optical system, the cone-shaped beam focus point that both the green light source and blue-light source are emitted coincides with tested oculopupillary anchor point, the cone-shaped beam that the green light source is emitted is distributed with the light path where being tested oculopupillary anchor point and tested eye positioning monitoring system in 38 ° of angle shapes, the cone-shaped beam that the blue-light source is emitted is distributed with the light path where being tested oculopupillary anchor point and tested eye positioning monitoring system in 28 ° of angle shapes；It is of the invention can be time saving, laborsaving, and can the completion items eyes of precise specifications regard optical test, make every effort to operate simplifying, shorten time of measuring, make a breakthrough in terms of improving the degree of automation.
Description
Technical field
The invention belongs to the optical systems and its automatic inspection of optometry unit technical field more particularly to a kind of full-automatic optometry unit
Survey localization method.
Background technology
Country's optometry unit is finding human eye and positioning still based on traditional physical button and hand operation at present
Aspect is comparatively laborious, expends time manpower, and measurement cumulative errors are bigger, if measurement is bad, can also be caused to patient
It influences, so comparing expectation to full-automatic and automation positioning.
Invention content
It is an object of the invention to overcome the shortcomings of the prior art, and a kind of reduction human error is provided, improves and surveys
The optical system and its automatic detecting-positioning method of the full-automatic optometry unit of accuracy of measurement.
The purpose of the present invention is by following technical solution to complete, including projecting light path, optical path, fixation system
And tested eye positioning monitoring system, the projecting light path is successively by infrared light supply, the first optical tubes, the first lens, first
Reflective mirror, the first spectroscope, the second spectroscope composition, the optical path is successively by rotating prism, the second reflective mirror, second
Lens, the second optical tubes, the first ccd image sensor composition, the fixation system is successively by visible light source, third optics
Lens barrel, the 4th optical tubes, the third lens, third reflective mirror composition, the 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；In the optical system further include have it is green
Light source and blue-light source, the cone-shaped beam focus point that both the green light source and blue-light source are emitted and tested oculopupillary anchor point phase
It overlaps, light of the cone-shaped beam which is emitted where with tested oculopupillary anchor point and tested eye positioning monitoring system
Road is distributed in 38 ° of angle shapes, and the cone-shaped beam which is emitted is supervised with tested oculopupillary anchor point and tested eye positioning
Light path where viewing system is distributed in 28 ° of angle shapes.
Preferably, described is 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, second spectroscope and the first spectroscope and third reflective mirror
In same light path, wherein third reflective mirror and visible light source, third optical tubes, the 4th optical tubes, at the third lens
In in same light path, the first spectroscope is in rotating prism, the first reflective mirror, the second reflective mirror 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 it is infrared
Light source, the first optical tubes, the first lens are in same light path.
Preferably, the visible light source, third optical tubes, the 4th optical tubes, the third lens, third reflective mirror
The light path at place is with the light path where the second spectroscope, the first spectroscope, third reflective mirror in 45 ° of reflections；Second spectroscope,
Light path where one spectroscope, third reflective mirror and the second spectroscope, the 4th lens, the 5th optical tubes, the 6th optical tubes,
Light path where second ccd image sensor is in 45 ° of reflections.
Preferably, first spectroscope, the second spectroscope are made by multilayer film vacuum method, to infrared
The transmission of optical source wavelength and reflection ratio are 1:1.
A kind of automatic detecting-positioning method using the optical system such as above-mentioned full-automatic optometry unit, this method include such as
Lower step：
1), infrared light supply sends out light source and forms circular target by the first optical tubes, and through the first lens exiting parallel,
It is reflected into tested eye pupil through the first mirror reflection and the first spectroscope, the second spectroscope；
2), the light returned from tested oculopupillary reflex is through the second spectroscope, the reflection of the first spectroscope and by rotating rib
Aperture on mirror and the first reflective mirror reaches the second reflective mirror, by 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 is by third optical tubes, the 4th optical tubes, and through the third lens, parallel to be incident on third reflective
On mirror, tested eye pupil is reached through the first spectroscope, the second spectroscope after third mirror reflection；
4), wavelength is different from the infrared light of infrared light supply through the 4th lens into collimated light beam, and the projection of the second spectroscope is illuminated
Tested eye pupil, and the cone-shaped beam emitted with both green light source, blue-light source together again through the second spectroscope, the 4th lens,
5th optical tubes, the 6th optical tubes are finally imaged on the second ccd image sensor, and make be tested oculopupillary picture and
Preset dotted circle is concentric.
Preferably, tested oculopupillary picture uses both the green light source of asymmetric oblique illumination, blue-light source to be emitted
Cone-shaped beam judges defocus direction, when the cone-shaped beam that tested eye pupil is emitted in both green light source and blue-light source just is poly-
When focus, the cone-shaped beam that both green light source, blue-light source are emitted can enter second by tested oculopupillary corneal reflection
It is imaged on ccd image sensor, when tested eye pupil defocus to the right, the cone-shaped beam that only blue-light source is emitted is reflected into
Second ccd image sensor, conversely, when tested eye pupil defocus to the left, the cone-shaped beam that only green light source is emitted reflects
Into the second ccd image sensor.
Beneficial effects of the present invention are：The optometry unit is by blue light and green light Automatic-searching eyes and positioning, automatically
Motor is controlled all around to move up and down, until finding eyes and positioning, last automatic measurement reduces human error, carries
High measurement accuracy；Can it is time saving, laborsaving, and can precise specifications completion items eye regard optical test, make every effort to simplify operate, shorten survey
The time is measured, is made a breakthrough in terms of improving the degree of automation.
Description of the drawings
Fig. 1 is the light path principle schematic diagram of the present invention.
Label in attached drawing is respectively：101, outer light source；102, the first optical tubes；103, the first lens；104, first
Reflective mirror；105, the first spectroscope；106, the second spectroscope；201, rotating prism；202, the second reflective mirror；203, second thoroughly
Mirror；204, the second optical tubes；205, the first ccd image sensor；301, visible light source；302, third optical tubes；303、
4th optical tubes；304, the third lens；305, third reflective mirror；401, the 4th lens；402, the 5th optical tubes；403,
Six optical tubes；404, the second ccd image sensor；501, blue-light source；502, green light source；601, tested eye pupil.
Specific implementation mode
Detailed introduction is done to the present invention below in conjunction with attached drawing：As shown in Fig. 1, the present invention includes projecting light path, surveys
Measure light path, fixation system and tested eye positioning monitoring system, it is characterised in that：The projecting light path is successively by infrared light supply
101, the first optical tubes 102, the first lens 103, the first reflective mirror 104, the first spectroscope 105,106 groups of the second spectroscope
At, the optical path successively by rotating prism 201, the second reflective mirror 202, the second lens 203, the second optical tubes 204,
First ccd image sensor 205 forms, and the fixation system is successively by visible light source 301, third optical tubes the 302, the 4th
Optical tubes 303, the third lens 304, third reflective mirror 305 form, and the tested eye positioning monitoring system is successively by the 4th
Lens 401, the 5th optical tubes 402, the 6th optical tubes 403, the second ccd image sensor 404 composition；In the optical system
On further include having green light source 502 and blue-light source 501, the cone-shaped beam that both the green light source 502 and blue-light source 501 are emitted focuses
The anchor point of point and tested eye pupil 601 coincides, the cone-shaped beam which is emitted and tested eye pupil 601
Light path where anchor point and tested eye positioning monitoring system is distributed in 38 ° of angle shapes, the cone of light which is emitted
Light path of the beam with the anchor point of tested eye pupil 601 and where tested eye positioning monitoring system is distributed in 28 ° of angle shapes.
The picture of the tested eye pupil 601 and the second spectroscope 106, the 4th lens 401, the 5th optical tubes 402,
Six optical tubes 403, the second ccd image sensor 404 are in same light path, second spectroscope 106 and the first spectroscope
105 and third reflective mirror 305 be in same light path, wherein third reflective mirror 305 and visible light source 301, third optical tubes
302, the 4th optical tubes 303, the third lens 304 are in same light path, the first spectroscope 105 and rotating prism 201, 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 is in same light path, the first reflective mirror 104 and infrared light supply 101, the first optical frames
The 102, first lens 103 of cylinder are in same light path.
The visible light source 301, third optical tubes 302, the 4th optical tubes 303, the third lens 304, third are anti-
Light path where light microscopic 305 and the light path where the second spectroscope 106, the first spectroscope 105, third reflective mirror 305 are anti-in 45 °
It penetrates；Light path and the second spectroscope the 106, the 4th where second spectroscope 106, the first spectroscope 105, third reflective mirror 305 is saturating
Light path where mirror 401, the 5th optical tubes 402, the 6th optical tubes 403, the second ccd image sensor 404 is anti-in 45 °
It penetrates.
First spectroscope 105, the second spectroscope 106 are made by multilayer film vacuum method, to infrared light
The transmission of 101 wavelength of source and reflection ratio are 1:1.
A kind of automatic detecting-positioning method of optical system using full-automatic optometry unit, this method comprises the following steps：
1), infrared light supply 101 sends out light source and forms circular target by the first optical tubes 102, and through the first lens 103
Exiting parallel is reflected into tested eye pupil through the reflection of the first reflective mirror 104 and the first spectroscope 105, the second spectroscope 106
601；
2) it, reflects and leads to from 601 reflected light of tested eye pupil through the second spectroscope 106, the first spectroscope 105
The aperture crossed on rotating prism 201 and the first reflective mirror 104 reaches the second reflective mirror 202, is passed through after the reflection of the second reflective mirror 202
The second lens 203, the second optical tubes 204 are crossed, finally forms ring picture on the first ccd image sensor 205；
3), visible light source 301 is by third optical tubes 302, the 4th optical tubes 303, through the third lens 304 it is parallel enter
It is mapped on third reflective mirror 305, quilt is reached through the first spectroscope 105, the second spectroscope 106 after the reflection of third reflective mirror 305
Survey eye pupil hole 601；
4), wavelength be different from infrared light supply 101 infrared light through the 4th lens 401 at collimated light beam, the second spectroscope 106
Tested eye pupil 601 is illuminated in projection, and the cone-shaped beam emitted with both green light source 502, blue-light source 501 is together again through second
Spectroscope 106, the 4th lens 401, the 5th optical tubes 402, the 6th optical tubes 403, finally in the second ccd image sensor
It is imaged on 404, and keeps the picture of tested eye pupil 601 and preset dotted circle concentric.
The picture of tested eye pupil 601 is emitted using green light source 502,501 the two of blue-light source of asymmetric oblique illumination
Cone-shaped beam judges defocus direction, is emitted just in both green light source 502 and blue-light source 501 when tested eye pupil 601
When cone-shaped beam focus point, the cone-shaped beam that both green light source 502, blue-light source 501 are emitted can be by tested eye pupil 601
Corneal reflection enter on the second ccd image sensor 404 and be imaged, when tested eye 601 defocus to the right of pupil, only blue-light source
501 cone-shaped beams emitted are reflected into the second ccd image sensor 404, conversely, working as the defocus to the left of tested eye pupil 601
When, the cone-shaped beam that only green light source 502 is emitted is reflected into the second ccd image sensor 404.
It is understood that it will be understood by those skilled in the art that being subject to technical scheme of the present invention and inventive concept
The protection domain of appended claims of the invention should all be belonged to replacement or change.
Claims (6)
1. a kind of optical system of full-automatic optometry unit, including projecting light path, optical path, fixation system and tested eye positioning prison
Viewing system, it is characterised in that：The projecting light path successively by infrared light supply (101), the first optical tubes (102), first thoroughly
Mirror (103), the first reflective mirror (104), the first spectroscope (105), the second spectroscope (106) composition, the optical path according to
It is 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 the fixation system is successively by visible light source (301), third optical tubes (302), the 4th optics
Lens barrel (303), the third lens (304), third reflective mirror (305) composition, the 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；
Further include having green light source (502) and blue-light source (501) in the optical system, both the green light source (502) and blue-light source (501) institute
The cone-shaped beam focus point of transmitting and the anchor point of tested eye pupil (601) coincide, the taper which is emitted
Light path of the light beam with the anchor point of tested eye pupil (601) and where tested eye positioning monitoring system is distributed in 38 ° of angle shapes, should
Anchor point and tested eye positioning monitoring system place of the cone-shaped beam that blue-light source (501) is emitted with tested eye pupil (601)
Light path be distributed in 28 ° of angle shapes.
2. the optical system of full-automatic optometry unit according to claim 1, it is characterised in that：The tested eye pupil
(601) picture and 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, second spectroscope (106) and the first spectroscope (105) and third
Reflective mirror (305) is in same light path, wherein third reflective mirror (305) and visible light source (301), third optical tubes
(302), the 4th optical tubes (303), the third 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：The visible light source
(301), where third optical tubes (302), the 4th optical tubes (303), the third lens (304), third reflective mirror (305)
Light path is with the light path where the second spectroscope (106), the first spectroscope (105), third reflective mirror (305) in 45 ° of reflections；Second
Light path where spectroscope (106), the first spectroscope (105), third reflective mirror (305) with the second spectroscope (106), the 4th thoroughly
Light path where mirror (401), the 5th optical tubes (402), the 6th optical tubes (403), the second ccd image sensor (404)
It is reflected in 45 °.
4. the optical system of full-automatic optometry unit according to claim 1, it is characterised in that：First spectroscope
(105), the second spectroscope (106) is made by multilayer film vacuum method, to the transmission of infrared light supply (101) wavelength and anti-
It is 1 to penetrate ratio:1.
5. a kind of automatic detecting-positioning method of optical system using full-automatic optometry unit as described in claim 1, special
Sign is：This method comprises the following steps：
1), infrared light supply (101) sends out light source and forms circular target by the first optical tubes (102), and through the first lens
(103) exiting parallel is reflected into through the first reflective mirror (104) reflection and the first spectroscope (105), the second spectroscope (106)
Enter tested eye pupil (601)；
2) it, is reflected simultaneously from tested eye pupil (601) reflected light through the second spectroscope (106), the first spectroscope (105)
The second reflective mirror (202) is reached by the aperture on rotating prism (201) and the first reflective mirror (104), through the second reflective mirror
(202) by 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) is flat through the third lens (304) by third optical tubes (302), the 4th optical tubes (303)
Row is incident on third reflective mirror (305), through the first spectroscope (105), the second spectroscope after third reflective mirror (305) reflection
(106) tested eye pupil (601) is reached；
4), wavelength be different from infrared light supply (101) infrared light through the 4th lens (401) at collimated light beam, the second spectroscope
(106) tested eye pupil (601), and the cone-shaped beam emitted 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), most
It is imaged on the second ccd image sensor (404) afterwards, and keeps the picture of tested eye pupil (601) and preset dotted circle concentric.
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 picture of tested eye pupil (601) is emitted using green light source (502), blue-light source (501) the two of asymmetric oblique illumination
Shaped light beam judges defocus direction, when tested eye pupil (601) is sent out in both green light source (502) and blue-light source (501) just
When the cone-shaped beam focus point penetrated, the cone-shaped beam that both green light source (502), blue-light source (501) are emitted can be tested
The corneal reflection in eye pupil hole (601) enter the second ccd image sensor (404) on is imaged, when tested eye pupil (601) to the right from
The cone-shaped beam that Jiao Shi, only blue-light source (501) are emitted is reflected into the second ccd image sensor (404), conversely, working as quilt
Survey eye pupil hole (601) to the left defocus when, cone-shaped beam that only green light source (502) is emitted is reflected into the second ccd image biography
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 CN106419829A (en) | 2017-02-22 |
| CN106419829B true CN106419829B (en) | 2018-07-31 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4021102A (en) * | 1973-11-26 | 1977-05-03 | Kabushiki Kaisha Hoya Lens | Auto-refractometer |
| CN1194131A (en) * | 1998-03-30 | 1998-09-30 | 华北工学院 | Optical system for objective optometry instrument |
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3187083B2 (en) * | 1991-07-19 | 2001-07-11 | キヤノン株式会社 | Optometry device |
| FR2971693B1 (en) * | 2011-02-22 | 2013-03-08 | Imagine Eyes | RETINAL IMAGING METHOD AND DEVICE WITH HIGH RESOLUTION |
-
2016
- 2016-08-30 CN CN201610766656.3A patent/CN106419829B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4021102A (en) * | 1973-11-26 | 1977-05-03 | Kabushiki Kaisha Hoya Lens | Auto-refractometer |
| CN1194131A (en) * | 1998-03-30 | 1998-09-30 | 华北工学院 | Optical system for objective optometry instrument |
| 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 |
|---|---|
| CN106419829A (en) | 2017-02-22 |
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