CN109363622A - A kind of eyepiece system and heterophoria detector - Google Patents
A kind of eyepiece system and heterophoria detector Download PDFInfo
- Publication number
- CN109363622A CN109363622A CN201811407235.7A CN201811407235A CN109363622A CN 109363622 A CN109363622 A CN 109363622A CN 201811407235 A CN201811407235 A CN 201811407235A CN 109363622 A CN109363622 A CN 109363622A
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- eyepiece
- reflecting mirror
- image
- eyepiece system
- eye
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- 206010020015 Heterophoria Diseases 0.000 title claims abstract description 17
- 238000012360 testing method Methods 0.000 claims abstract description 31
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 230000011514 reflex Effects 0.000 claims abstract description 4
- 210000001747 pupil Anatomy 0.000 claims description 13
- 230000003287 optical effect Effects 0.000 claims description 6
- 230000003595 spectral effect Effects 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 3
- 208000033748 Device issues Diseases 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 21
- 238000005259 measurement Methods 0.000 abstract description 16
- 230000008569 process Effects 0.000 abstract description 16
- 238000001514 detection method Methods 0.000 abstract description 9
- 238000012544 monitoring process Methods 0.000 abstract description 5
- 230000006870 function Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000001720 vestibular Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 230000004424 eye movement Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
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
- A61B3/02—Subjective types, i.e. testing apparatus requiring the active assistance of the patient
- A61B3/08—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing binocular or stereoscopic vision, e.g. strabismus
- A61B3/085—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing binocular or stereoscopic vision, e.g. strabismus for testing strabismus
-
- 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
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B25/00—Eyepieces; Magnifying glasses
- G02B25/001—Eyepieces
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Medical Informatics (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Biophysics (AREA)
- Molecular Biology (AREA)
- Ophthalmology & Optometry (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Eye Examination Apparatus (AREA)
Abstract
Eyepiece system provided by the invention, it include: eyepiece, reflecting mirror, image device and image collecting device, the eyepiece is formed with three pieces eyeglass, wherein two panels lens set lens in pairs of joining, described image generating device generates the target image for testing eye observation, the test eye observes the target image by reflecting mirror transmission, the fill-in light issued by described image acquisition device enters the eyepiece after the reflection of the reflecting mirror, the test eye is illuminated, by the test eye reflex, it is radiated on the reflecting mirror by the reflected light that the eyepiece returns, the reflecting mirror is acquired the image data of the test eye by described image acquisition device after reflecting the reflected light, using eye position real-time monitoring, measurement process is simple, the experimenter is not needed to participate in adjusting, testing result more may be used Letter, detection process are simple and fast.The present invention also provides a kind of heterophoria detectors.
Description
Technical field
The present invention relates to optical field, in particular to a kind of eyepiece system and heterophoria detector.
Background technique
For heterophoria detection method and equipment, existing measurement method and equipment major defect are observed based on measurement process
Amount process.The problem of subjective measurement is brought is exactly measurement with subjectivity, is affected by individual psychology factor, thus measures knot
Fruit value variation range is big.Measurement process may need to be repeated, and then may be further aggravated psychological fluctuation, influence measurement knot
Fruit.Therefore it is required that tester has experience abundant, result is judged.It is generally necessary to which repeated measurement is to confirm final result.
For vestibular function examination method and apparatus, existing measurement method is to adopt figure survey using lower section wide-angle camera at the moment
Amount, feature are horizontally oriented good measuring accuracy, and vertical direction measurement accuracy is low.
Summary of the invention
The embodiment of the invention provides a kind of eyepiece system and heterophoria detectors to be measured using eye position real-time monitoring
Journey is simple, does not need the experimenter and participates in adjusting, as a result objective reliable.It is objective detection in principle, testing result is more credible, inspection
Survey process is simple and fast.
In a first aspect, the present invention provides a kind of eyepiece system, comprising: eyepiece, reflecting mirror, image device and image
Acquisition device, the eyepiece are formed with three pieces eyeglass, wherein two panels lens set lens in pairs of joining, described image generating device
The target image for testing eye observation is generated, the test eye observes the target image by reflecting mirror transmission, by
Described image acquisition device issue fill-in light after the reflection of the reflecting mirror enter the eyepiece, to the test eye into
Row illumination, by the test eye reflex, is radiated on the reflecting mirror, the reflecting mirror by the reflected light that the eyepiece returns
The image data of the test eye is acquired after reflecting the reflected light by described image acquisition device.
As a kind of optional scheme, described image acquisition device uses the infrared camera with light source.
As a kind of optional scheme, the light source is using LED light or annular infrared lamp.
As a kind of optional scheme, described image generating device uses OLED image generator.
As a kind of optional scheme, the reflecting mirror is using the band pass filter for transmiting visible reflectance infrared light.
As a kind of optional scheme, the spectral region: 400-780nm, focal length: 135.4mm, emergent pupil away from: 35mm enters
Pupil diameter: 8mm, field angle: 2x10 °.
As a kind of optional scheme, the optical parameter of the eyepiece are as follows:
| Serial number | Radius surface (mm) | Center thickness (mm) | The glass trade mark | Diameter (mm) | Remarks |
| 1 | -6000.00 | Image distance | |||
| 2 | 35.00 | 8.0 | Emergent pupil | ||
| 3 | -423.816 | 6.00 | H-K9L | 30 | |
| 4 | -57.247 | 1.00 | 30 | ||
| 5 | 34.881 | 6.00 | H-K9L | 30 | |
| 6 | 78.943 | 3.00 | H-F2 | 30 | |
| 7 | 32.385 | 113.35 | Object distance |
。
As a kind of optional scheme, the parameter of the infrared camera is spectral region: 830-1000nm, focal length: 16mm,
Use field angle: 2x1.5 °, Entry pupil diameters: 4mm.
As a kind of optional scheme, the reflecting mirror is Amici prism.
Second aspect, the present invention provide a kind of heterophoria detector, and the heterophoria detector has such as above-mentioned eyepiece
System.
As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that
Eyepiece system provided by the invention and heterophoria detector, comprising: eyepiece, reflecting mirror, image device and
Image collecting device, the eyepiece are formed with three pieces eyeglass, wherein two panels lens set lens in pairs of joining, and described image occurs
Device generates the target image for testing eye observation, and the test eye observes the target figure by reflecting mirror transmission
Picture, the fill-in light issued by described image acquisition device enters the eyepiece after the reflection of the reflecting mirror, to the survey
Examination eye is illuminated, and by the test eye reflex, is radiated on the reflecting mirror by the reflected light that the eyepiece returns, described
Reflecting mirror is acquired the image data of the test eye by described image acquisition device after reflecting the reflected light, using eye
Position real-time monitoring, measurement process is simple, does not need the experimenter and participates in adjusting, testing result is more credible, and detection process is simply fast
Victory, and camera is carried out using the position of face or basic face and adopts figure measurement.It is more accurate to the measurement of eye movement, expand instrument
The application range of device.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the eyepiece system provided in the embodiment of the present invention；
Fig. 2 is the index path of eyepiece in a kind of eyepiece system provided in the embodiment of the present invention.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
As shown in connection with fig. 1, the present invention provides a kind of eyepiece system, comprising: eyepiece 2, reflecting mirror 3, image device 4 with
And image collecting device 6, the eyepiece 2 are formed with three pieces eyeglass, wherein two panels lens set lens in pairs of joining, described image
Generating device 4 generates the target image for testing the observation of eye 1, and the test eye 1 passes through described in the reflecting mirror 3 transmission observation
Target image, the fill-in light issued by described image acquisition device 6 enter the eyepiece 2 after the reflection of the reflecting mirror 3,
The test eye 1 is illuminated, is reflected by the test eye 1, is radiated at by the reflected light that the eyepiece 2 returns described anti-
It penetrates on mirror 3, the reflecting mirror 3 by described image acquisition device 6 acquires the test eye 1 after reflecting the reflected light
Image data, using eye position real-time monitoring, measurement process is simple, does not need the experimenter and participates in adjusting, as a result objective reliable.Principle
Upper is objective detection, and testing result is more credible, and detection process is simple and fast, and using the position of face or basic face into
Row camera adopts figure measurement.Horizontal direction and vertical direction have intimate consistent measurement accuracy.It is more accurate to the measurement of eye movement, it opens up
The application range of instrument is opened up.
In the present invention, the positional relationship rationally arranged between eyepiece 2 and image device 4 is to meet the void that test needs
As 5, the virtual image in 5 checking processes of the virtual image regards target, and optical path is followed successively by image device 4, eyepiece 2, test eye 1, and the virtual image is
Test the reverse extending line composition that eye receives light.
Reflecting mirror 3 is placed between eyepiece 2 and image device 4, and reflection is realized under the image quality for guaranteeing the imaging of the virtual image 5
The process of observation, optical path are followed successively by test eye 1, eyepiece 2, reflecting mirror 3 and image collecting device 4.
It is that infinity is designed since the virtual image is usually used in the design of eyepiece, emergent pupil is located near its front focus, so that
Eyes in more far and near, the intimate collimated light of emergent light of the subsequent imaging of eyepiece, and visual field close to eyepiece by range estimation eyeglass
Size, it is meant that eye range information can be observed well.
In the present embodiment, described image acquisition device 6 uses LED using the infrared camera with light source, the light source
Lamp or annular infrared lamp, are illuminated using LED light or annular infrared lamp, and eyes are imaged near infrared band for infrared camera,
It is appropriate to select focal length that the visual field of infrared camera is made to can be very good the covering effective observation area of eye, it does not limit this.
In the present embodiment, described image generating device 4 uses OLED image generator, does not limit this.
In the present embodiment, the reflecting mirror 3 uses the band pass filter or Amici prism of transmission visible reflectance infrared light,
It is appropriate to select reflecting mirror thickness that the image quality of the virtual image 5 be made to meet requirement, aberration can be reduced using Amici prism, met
Requirement, those of ordinary skill in the art can not be limited this with flexible choice.
In the present embodiment, the spectral region of eyepiece system: 400-780nm, focal length: 135.4mm, emergent pupil away from: 35mm enters
Pupil diameter: 8mm, field angle: 2x10 °.
As shown in connection with fig. 2, specifically, eyepiece system is made of three sheet glass, wherein forming cemented doublet, mesh by two panels
The index path of mirror 3, the optical parameter of the eyepiece 3, from left to right sequentially, such as table 1:
| Serial number | Radius surface (mm) | Center thickness (mm) | The glass trade mark | Diameter (mm) | Remarks |
| 1 | -6000.00 | Image distance | |||
| 2 | 35.00 | 8.0 | Emergent pupil | ||
| 3 | -423.816 | 6.00 | H-K9L | 30 | |
| 4 | -57.247 | 1.00 | 30 | ||
| 5 | 34.881 | 6.00 | H-K9L | 30 | |
| 6 | 78.943 | 3.00 | H-F2 | 30 | |
| 7 | 32.385 | 113.35 | Object distance |
Table 1
Optionally, the parameter of the infrared camera is spectral region: 830-1000nm, focal length: 16mm uses field angle:
2x1.5 °, Entry pupil diameters: 4mm is not limited this.
It should be noted that eyepiece system of the invention has carried out effect detection in practical work process, as a result preferably.
Correspondingly, the present invention provides a kind of heterophoria detector, and the heterophoria detector has such as above-mentioned eyepiece system
System, using eye position real-time monitoring, measurement process is simple, does not need the experimenter and participates in adjusting, as a result objective reliable.
The detection of heterophoria objective quantitative may be implemented in heterophoria detector provided by the invention, and in vestibular function examination
Aspect has application.Objective determination is realized in terms of heterophoria inspection.Mostly sighting target can be become in terms of vestibular function examination
Change is effectively detected.It in addition can be in the similar eyepiece system such as the similar helmet, eyeshade and head-up-display system
Dynamic detection is carried out to eye position and realizes a variety of different functions.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be through some interfaces, the indirect coupling of device or unit
It closes or communicates to connect, can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can be stored in a computer readable storage medium, storage
Medium may include: read-only memory (ROM, Read Only Memory), random access memory (RAM, Random
Access Memory), disk or CD etc..
A kind of eyepiece system provided by the present invention and heterophoria detector are described in detail above, for ability
The those skilled in the art in domain, thought according to an embodiment of the present invention have change in specific embodiments and applications
Place, in conclusion the contents of this specification are not to be construed as limiting the invention.
Claims (10)
1. a kind of eyepiece system characterized by comprising eyepiece, reflecting mirror, image device and image collecting device,
The eyepiece is formed with three pieces eyeglass, wherein two panels lens set lens in pairs of joining, and the generation of described image generating device is used for
The target image of eye observation is tested, the test eye observes the target image by reflecting mirror transmission, by described image
The fill-in light that acquisition device issues enters the eyepiece after the reflection of the reflecting mirror, illuminates to the test eye,
It by the test eye reflex, is radiated on the reflecting mirror by the reflected light that the eyepiece returns, the reflecting mirror is to described
Reflected light is acquired the image data of the test eye by described image acquisition device after being reflected.
2. eyepiece system according to claim 1, which is characterized in that described image acquisition device uses red with light source
Outer camera.
3. eyepiece system according to claim 2, which is characterized in that the light source is using LED light or annular infrared lamp.
4. eyepiece system according to claim 1, which is characterized in that described image generating device uses OLED image
Device.
5. eyepiece system according to claim 1, which is characterized in that the reflecting mirror is infrared using transmission visible reflectance
The band pass filter of light.
6. eyepiece system according to claim 1, which is characterized in that the spectral region: 400-780nm, focal length:
135.4mm, emergent pupil is away from 35mm, Entry pupil diameters: 8mm, field angle: 2x10 °.
7. eyepiece system according to claim 1, which is characterized in that the optical parameter of the eyepiece are as follows:
。
8. eyepiece system according to claim 1, which is characterized in that the parameter of the infrared camera is spectral region:
830-1000nm, focal length: 16mm uses field angle: 2x1.5 °, Entry pupil diameters: 4mm.
9. eyepiece system according to claim 1, which is characterized in that the reflecting mirror is Amici prism.
10. a kind of heterophoria detector, which is characterized in that the heterophoria detector has such as any one of claims 1 to 9
The eyepiece system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811407235.7A CN109363622A (en) | 2018-11-23 | 2018-11-23 | A kind of eyepiece system and heterophoria detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811407235.7A CN109363622A (en) | 2018-11-23 | 2018-11-23 | A kind of eyepiece system and heterophoria detector |
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| Publication Number | Publication Date |
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| CN109363622A true CN109363622A (en) | 2019-02-22 |
Family
ID=65383058
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811407235.7A Pending CN109363622A (en) | 2018-11-23 | 2018-11-23 | A kind of eyepiece system and heterophoria detector |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1243822A (en) * | 1968-10-04 | 1971-08-25 | Oculus Optikgerate G M B H | Instrument for examining eyes for binocular training thereof and for squint angle measurement |
| US4712895A (en) * | 1983-10-26 | 1987-12-15 | Tokyo Kogaku Kikai Kabushiki Kaisha | Ocular position measuring apparatus |
| CN204007526U (en) * | 2014-08-20 | 2014-12-10 | 武汉光驰科技有限公司 | Optical fiber geometric parameter testing experimental system |
| US20180028057A1 (en) * | 2015-03-01 | 2018-02-01 | Novasight Ltd. | A system and method for measuring ocular motility |
| CN209661605U (en) * | 2018-11-23 | 2019-11-22 | 长春奥普光电技术股份有限公司 | A kind of eyepiece system and heterophoria detector |
-
2018
- 2018-11-23 CN CN201811407235.7A patent/CN109363622A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1243822A (en) * | 1968-10-04 | 1971-08-25 | Oculus Optikgerate G M B H | Instrument for examining eyes for binocular training thereof and for squint angle measurement |
| US4712895A (en) * | 1983-10-26 | 1987-12-15 | Tokyo Kogaku Kikai Kabushiki Kaisha | Ocular position measuring apparatus |
| CN204007526U (en) * | 2014-08-20 | 2014-12-10 | 武汉光驰科技有限公司 | Optical fiber geometric parameter testing experimental system |
| US20180028057A1 (en) * | 2015-03-01 | 2018-02-01 | Novasight Ltd. | A system and method for measuring ocular motility |
| CN209661605U (en) * | 2018-11-23 | 2019-11-22 | 长春奥普光电技术股份有限公司 | A kind of eyepiece system and heterophoria detector |
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