CN106580244A - Portable infrared eccentric photorefraction system - Google Patents
Portable infrared eccentric photorefraction system Download PDFInfo
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- CN106580244A CN106580244A CN201611048490.8A CN201611048490A CN106580244A CN 106580244 A CN106580244 A CN 106580244A CN 201611048490 A CN201611048490 A CN 201611048490A CN 106580244 A CN106580244 A CN 106580244A
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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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- 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
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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
- A61B3/0016—Operational features thereof
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- Heart & Thoracic Surgery (AREA)
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Abstract
The invention provides a portable infrared eccentric photorefraction system. The system comprises a control system, a lighting system, an image acquisition system, an image analysis processing system and a display system, wherein the control system comprises a wireless transmission system and is used for controlling the infrared eccentric photorefraction system to work normally according to work commands; the lighting system is used for providing eccentric lighting to the infrared eccentric photorefraction system; and the image acquisition system formed by an imaging lens and an image acquisition element is used for performing eccentric photorefraction on a detected eye, and refraction and astigmatism related parameters of the detected eye are calculated and displayed by the display system after an acquired image sequence is processed by the image analysis processing system. The system has the characteristics of being simple in operation, high in measurement accuracy, high in measurement speed, small in size, and flexible and convenient, and is suitable for children with relatively poor cooperation capability or detected persons with mental subnormality.
Description
Technical field
The present invention relates to field of ophthalmological medical equipment, more particularly to a kind of portable infrared eccentricity cycles system.
Background technology
Just baby's eyeball of birth not yet develops that perfect, axis oculi is most partially short, and its eyes major part is all hypermetropia.With
Age increases, and eyeball becomes larger, and axis oculi is slowly elongated, and hyperopia degree is also gradually decreased, and eyeball has gradually been developed by hypermetropia
It is apt to normal eyes.It is well known that hypermetropia be not look far, galeropia, a kind of but ametropic visual impairment eye.
For slight hypermetropia, if patient age is little or adjusting force powerhouse, refractive defects, vision can be made up by the adjusting force of itself
Can reach normal.Equally, myopia is also that one kind sees remote unclear ametropia visual impairment eye, hypermetropia and myopia
It is two kinds of main Types of ametropia defect eye.
If after infant or child's ametropia number of degrees are higher, or the age increases, eyes adjusting force can die down, and just occur
See remote or see near unclear, so as to form visual disorder.Preschooler is slight ametropia, if normal visual acuity, and do not have
Other visual symptoms, are physiological ametropia, not can correct.But such as the ametropia number of degrees substantially, visual deterioration or appearance
Esotropia and do not obtain timely rectifier, can because be delayed visual organ develop cause amblyopia, therefore should pay much attention to learn
The examination and monitoring of child's ametropia number of degrees before age.
Traditional objective eye refractometer is widely used in the measurement of the ametropia number of degrees of adult, but it requires that examinee is different degrees of
Cooperation.For example, it is desirable to the fixation mark that head is placed in jaw support and is watched attentively in eye refractometer by examinee.For these cooperations of being grown up
All it is easily done, but for the child of infant, cooperation obstacle is difficult to.Therefore, develop it is a it is few even without
The refraction system that examinee coordinates is just extremely important, especially the monitoring to infant or cooperation disorder with children vision and examination tool
It is significant.
Eccentricity cycles system described in patent CN104490359B includes display system, wireless transmitting system, image
Analysis process system, light-source system, range-measurement system.Infrared eccentric light source lighting to be checked eye of the invention using radial arrangement,
Infrared retina light source is formed on eye optical fundus to be checked, by the image for shooting eye pupil plane to be checked, and it is infrared to analyze retina
Light source is distributed in the gray-scale intensity formed by eye pupil hole to be checked, measures the refractive diopter of eye to be checked.The invention is with little need for quilt
The cooperation of inspection person, while also having operating distance farther out, hardly causes constriction to examinee, be particularly suitable for infant and
Coordinate disorder with children examination of visual acuity.But, the infrared light supply in the single direction of the invention only with single-row LED, and without extending transversely,
Determine that system accuracy is relatively low.
Patent CN103930015 discloses a kind of light transmitting photograph eye screening apparatus, including display system, graphical analyses
Process fast mould, image-taking system, light source part, beam splitter.The device is using two kinds of light sources of infrared light and visible ray by dividing
It is pointed into by eye to be checked after the reflection of beam mirror, wherein, infrared light is used to illuminate eye optical fundus to be checked and form retina light source, it is seen that light is used
Note and form fixation mark in examinee is attracted.The image of eye pupil plane to be checked is shot by image-taking system, and is analyzed
Retina infrared light supply is distributed in the gray-scale intensity formed by eye pupil hole to be checked, measures the refractive diopter of eye to be checked.The invention is same
The characteristics of sample has operating distance farther out and almost coordinates without the need for examinee.The illumination path and imaging optical path of the invention passes through
Spectroscope realizes coupling, and system bulk is larger, causes to carry inconvenient.
Patent WO2014020013 discloses a kind of light transmitting photograph eye screening apparatus, and described device includes showing system
System, image analysis processing mould are fast, image-taking system, light-source system, and the light source of the device is in rice word arrangement, using infrared band
Light emitting diode.The device irradiates tested eye only with infrared light light source, and forms retina light source on eye optical fundus to be checked.Pass through
Image-taking system shoots the image of eye pupil plane to be checked, and analyzes what retina infrared light supply was formed in eye pupil hole to be checked
Gray-scale intensity is distributed, and measures the refractive diopter of eye to be checked.Fixation is provided due to lacking visible light source, the cooperation to examinee will
Ask of a relatively high.
The content of the invention
For defect of the prior art, it is an object of the invention to provide a kind of portable infrared eccentricity cycles system
System, the system has that simple to operate, certainty of measurement is high, measuring speed is fast, small volume, it is flexibly convenient the characteristics of, it is adaptable to coordinate
The poor child of ability or the detected person of mentally disabled.
To reach above-mentioned purpose, the technical solution adopted in the present invention is as follows：
A kind of portable infrared eccentricity cycles system, including control system, illuminator, image-taking system, figure
As analysis process system and display system, control system contains wireless transmitting system and controls infrared bias according to work order to be taken the photograph
The normal work of shadow refraction system, illuminator provide eccentric illumination for infrared eccentricity cycles system, with reference to by imaging lens
The image-taking system that head and image capture element are constituted, realizes the bias photography to tested eye, obtained image sequence Jing figures
After processing as analysis process system, the dioptric and astigmatism relevant parameter of tested eye are calculated, and are shown by display system.
The illuminator includes infrared eccentric illumination, infrared coaxial-illuminating, and infrared eccentric illumination is infrared eccentric photography
Refraction system provides eccentric illumination, and infrared coaxial-illuminating is realized the coaxial-illuminating to tested eye, facilitates tested eye pupil boundary
Extract.
The illuminator is also illuminated including fixation lamp, to tested eye-shaped into fixation, to attract the attention of tested eye, is improved
The measurement efficiency and accuracy of system.
The illuminator adopts direct projection form, and the infrared eccentric illumination is using the infrared eccentric light source of planar.
The illuminator includes light source circuit board, and light source circuit board is circle, and middle is engraving for hexagon or circle
Emptying aperture, is provided with linear support beam in hollow hole, for fixed central authorities' infrared LED lamp, light source circuit board includes that central authorities are red
Outer LED, the infrared LED lamp of radial concentric distribution and visible LED lamp, central infrared LED lamp position are in the center of circle, radial same
The infrared LED lamp of heart distribution is radially radially arranged on hollow hole outboard circuit plate, in the interstitial site of infrared LED lamp
Place the visible LED lamp of radial concentric distribution.
The central infrared LED lamp is infrared coaxial-illuminating, and the infrared LED lamp of radial concentric distribution is the red of array
Outer eccentric illumination, it is seen that light LED is illuminated for the fixation lamp of array.
The linear support beam is on the reverse extending line of the direction of the launch of visible LED lamp or hexagon is engraved
The centre of emptying aperture.
The illuminator includes light source circuit board, and light source circuit board central authorities are hollow hole, and light source circuit board is by infrared LED
Lamp and visible LED lamp, reflecting mirror, optical glass and optical fiber composition, the infrared LED lamp and visible LED lamp of multiple divergings with
Centered on the center of hollow hole, it is seen that light LED is radially radially distributed on hollow hole periphery, multiple diverging infrared LEDs
Lamp is distributed in isosceles trapezoid on hollow hole outboard circuit plate, positioned at visible ray interval region, in illuminator also containing with
What the center of circle of circular circuit board was coaxial makes the reflecting mirror of incident illumination reflection and the optical fiber of instrument is conducted as light, by optical glass
Openwork hole is pasted, mirror tilt certain angle is pasted onto into the center of optical glass.
The illuminator includes light source circuit board, and light source circuit board central authorities are hollow hole, and light source circuit board central authorities are to engrave
Emptying aperture, light source circuit board are made up of infrared LED lamp and visible LED lamp, Cold Mirrors or heat mirror, the infrared LED lamp of multiple divergings and
Visible LED lamp is centered on the center of hollow hole, it is seen that light LED is radially radially distributed on hollow hole periphery, many
Individual diverging infrared LED lamp is uniformly distributed in isosceles trapezoid on hollow hole outboard circuit plate, positioned at the area at visible ray interval
Domain, Cold Mirrors or heat mirror are arranged in diaphragm.
Light source circuit board includes 6 groups of infrared LED lamps and 6 groups of visible LED lamps, number N >=9 of every group of infrared lamp LED.
Visible LED radially in direct projection shape be arranged on hollow hole outboard circuit plate on, adjacent transmission direction it is reverse with
Centered on central infrared lamp, interval angles are 60 °.
The plurality of diverging every group of infrared lamp LED of infrared lamp or so is spaced about 7mm, is spaced about 6mm up and down.
The circuit board contains 3 screw fixed holes, and centered on central infrared lamp LED, the angle of intervening gaps is
120°。
Control system contains wireless transmitting system, for passing to the dioptric and astigmatism relevant parameter of image or tested eye
It is defeated.Transmission terminal includes mobile phone, computer end etc..
Present system, for the distance between determining instrument and testee, to accelerate measuring speed, and improves measurement
Accuracy.
Description of the drawings
Detailed description non-limiting example made with reference to the following drawings by reading, the further feature of the present invention,
Objects and advantages will become more apparent upon：
Structural representations of the Fig. 1 for present system；
Schematic diagrams of the Fig. 2 for light-source system circuit board (only one support beam)；
Fig. 3 is light-source system circuit board assembling structure schematic diagram；
Fig. 4 is the schematic diagram of light-source system circuit board (three support beams)；
Fig. 5 is light-source structure schematic diagram, and light source is by infrared lamp LED and visible LED, reflecting mirror, optical glass and optical fiber
Composition；
Fig. 6 is light-source structure schematic diagram, and light source is made up of infrared lamp LED and visible LED, dichroic mirror.
Specific embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill to this area
For personnel, without departing from the inventive concept of the premise, some changes and improvements can also be made.These belong to the present invention
Protection domain.
In order to deepen the understanding of the present invention, the specific embodiment of the present invention is described in detail in conjunction with accompanying drawing.
A kind of portable infrared eccentricity cycles system provided by the present invention, including control system 1, image acquisition system
System 2, image analysis processing system 3, display system 4, illuminator 5, support beam 6, visible LED 7, infrared lamp LED8, central authorities
Infrared lamp LED9, wireless transmitting system 10, range-measurement system 11, screw fixed hole 12, hexagon hollow hole 13, light source circuit board
14th, optical fiber 15, reflecting mirror 16, human eye 17, planar opticses glass 18, Cold Mirrors 19, heat mirror 20.
Present system is controlled the normal work of whole system, wherein illuminator 5 by control system 1 according to work order
Comprising infrared eccentric illumination, infrared coaxial-illuminating and the illumination of fixation lamp.Infrared eccentric illumination is provided for eccentricity cycles system
Eccentric illumination, realizes taking the photograph the bias of tested eye with reference to the image-taking system 2 being made up of imaging lens and image capture element
Shadow.Obtained image sequence is calculated the dioptric ginseng related to astigmatism of tested eye Jing after the process of image analysis processing system 3
Number, and user is showed by display system 4.
The extraction of tested eye pupil boundary for convenience, the present embodiment employ infrared illumination LED8 and realize to tested eye
Coaxial-illuminating.
In order to attract the attention of tested eye, to tested eye-shaped into fixation, to improve the measurement efficiency and accuracy of system, this
Embodiment have also been introduced visible LED 7 as fixation lamp lighting source.
All lighting sources of the present invention adopt direct projection form, per group infrared eccentric illumination to adopt the infrared bias of planar
Light source.
In order to improve the accuracy of systematic survey, the present embodiment adopts ultrasonic ranging system 11.So that system is being protected
While holding simple structure, with higher certainty of measurement.
The dioptric and astigmatism relevant parameter of the picture of acquisition and tested eye can be transferred to by wireless transmitting system 10
Computer or mobile phone terminal.
Fig. 2 show the first implementation of illuminator.The light source circuit board 14 of illuminator is circle, wherein electricity
Road plate central authorities are hexagon hollow hole 13, are linear support beam 6 in the middle of hexagon hollow hole, and the circular center of circle is red for central authorities
Outer lamp LED9, support beam are used to support central infrared lamp LED.Light source circuit board is by infrared lamp LED8 and visible LED 7 and central authorities
Infrared lamp LED9 is constituted.The infrared lamp LED and visible LED of multiple divergings is centered on central infrared lamp LED, it is seen that light LED
Radially in direct projection shape be arranged on hollow hole outboard circuit plate on, adjacent transmission direction it is reverse centered on central infrared lamp,
Interval angles are 60 °.Multiple diverging infrared lamp LED are uniformly distributed in isosceles trapezoid on hollow hole outboard circuit plate, position
In the region at visible ray interval, every group of infrared lamp LED between left and right away from for 7mm, between the upper and lower away from for 6mm.Light source circuit board contains 6 groups
Infrared lamp LED, number N >=9 of every group of infrared lamp LED.Light source circuit board contains 3 screw fixed holes 12, with central infrared lamp
Centered on LED, intervening gaps angle is 120 °.
Fig. 4 show second implementation of illuminator.The light source circuit board of illuminator is circle, wherein circuit
Plate central authorities are hexagon hollow hole, it is seen that the reverse extending line of the direction of the launch of light LED is support beam, in hexagon hollow hole altogether
There are 3 support beams, it is also central infrared lamp LED9 that the intersecting point of support beam is the center of circular circuit board, hexagon hollow hole
Angular bisector constitutes 3 support beams, and support beam is used to support central infrared lamp, the position of central infrared lamp is more consolidated, may be used also
With wire of arranging.Light source circuit board is made up of infrared lamp LED8 and visible LED 7 and central authorities infrared lamp LED9 is constituted.Multiple
Scattered infrared lamp LED and visible LED are centered on central infrared lamp LED, it is seen that light LED is radially arranged in direct projection shape and engraves
On emptying aperture outboard circuit plate, adjacent transmission direction it is reverse centered on central infrared lamp, interval angles be 60 °.Multiple divergings
Infrared lamp LED is uniformly distributed in isosceles trapezoid on hollow hole outboard circuit plate, positioned at the region at visible ray interval, per group
Infrared lamp LED between left and right away from for 7mm, between the upper and lower away from for 6mm.Light source circuit board contains 6 groups of infrared lamp LED, every group of infrared lamp LED
Number N >=9.Light source circuit board contains 3 screw fixed holes 12, and centered on central infrared lamp LED, intervening gaps angle is
120°。
As shown in figure 5, the third implementation of illuminator.The light source circuit board 14 of illuminator is circle, wherein
Circuit board central authorities are six side hollow holes 13, and this hollow hole can also be circular.Light source circuit board is by infrared lamp LED8 and visible ray
LED7, reflecting mirror, optical glass and optical fiber composition.The infrared lamp LED and visible LED of multiple divergings with the center of hollow hole be
Center, it is seen that light LED is radially radially distributed on the angular bisector at each angle of hexagon hollow hole.Multiple divergings are infrared
Lamp LED is uniformly distributed in isosceles trapezoid on hollow hole outboard circuit plate, and positioned at the region at visible ray interval, per group infrared
Lamp LED between left and right away from for 7mm, between the upper and lower away from for 6mm.Light source circuit board contains 6 groups of infrared lamp LED, and every group of infrared lamp LED's is individual
Number N >=9.Also containing the reflecting mirror 16 that make incident illumination reflection coaxial with the center of circle of circular circuit board and conduct in illuminator
Light conducts the optical fiber 15 of instrument.Hollow hole is empty, and planar opticses glass 18 is pasted openwork hole, and mirror tilt is certain
Angle be pasted onto the center of optical glass 18.Light source is imported by this illuminator by optical fiber, then reflected by reflecting mirror
Light source causes human eye 17 to note, plays a part of central infrared lamp, and mirror tilt is pasted and causes the intake of more multiple light courcess, will not keep off
Firmly light source.The support beam that this illuminator need not be in the light.
As shown in fig. 6, the 4th kind of implementation of illuminator.The light source circuit board 14 of illuminator is circle, wherein
Circuit board central authorities are six side hollow holes 13, and this hollow hole can also be circular.Light source circuit board is by infrared lamp LED8 and visible ray
LED7, Cold Mirrors or heat mirror composition.The infrared lamp LED and visible LED of multiple divergings, can centered on the center of circle of circular hollow hole
See that light LED is radially radially distributed on the angular bisector at each angle of hexagon hollow hole.Multiple diverging infrared lamp LED are in
Isosceles trapezoid is uniformly distributed on hollow hole outboard circuit plate, and positioned at the region at visible ray interval, every group of infrared lamp LED is left
Space on right is 7mm, between the upper and lower away from for 6mm.Light source circuit board contains 6 groups of infrared lamp LED, number N >=9 of every group of infrared lamp LED,
Cold Mirrors or heat mirror are mounted in diaphragm.In the range of pupil, the eyes of light source incidence to people become retina light source, and wavelength is 850
The light source of ± 10nm is transmitted by dichroic mirror.When wavelength passes through Cold Mirrors for the light source of 800nm, infrared light is anti-through Cold Mirrors 19
The effect for realizing central infrared lamp is penetrated, makes detection radiation of light source more uniform.When wavelength passes through heat mirror 20 for the light source of 950nm
When, infrared light reflects the effect for realizing central infrared lamp through heat mirror, makes detection radiation of light source more uniform.This illuminator is not
The support beam that needs are in the light.
Detected person is maintained in the range of operating distance with infrared eccentricity cycles system, and operator passes through display system
Input service is instructed, and infrared eccentricity cycles system is detected according to work order by control system, and central infrared lamp exists
State is remain in whole test, purpose makes detection radiation of light source more uniform.The infrared lamp and visible ray of diverging is by certain
Per group of direction light respectively, the infrared lamp of diverging is detected for vision.Visible ray is used to cause examinee to note, improves tested
The fixation ability of person, it is to avoid because examinee's head rocks the error for causing.Operator is exported in display screen according to range-measurement system
Data are adjusted to the distance between instrument and examinee.Image-taking system gathers image, by image analysis processing system
After image to obtaining is analyzed process, display screen occur clearly image and testing result (include ametropia, stravismus,
The visual problems such as amblyopia) check for operator.Testing result can be transferred to PC ends by wireless transmitting system, realize data altogether
Enjoy, facilitate user or the head of a family to be checked, be that medical institutions' statistical data brings convenience.A kind of eccentric photography of portable infrared is tested
Photosystem is simple to operate, certainty of measurement is high, measuring speed is fast, small volume, flexibly facility, it is adaptable to the poor child of mating capability
Or the detected person of mentally disabled.
Above the specific embodiment of the present invention is described.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make a variety of changes within the scope of the claims or change, this not shadow
Ring the flesh and blood of the present invention.In the case where not conflicting, the feature in embodiments herein and embodiment can any phase
Mutually combine.
Claims (10)
1. a kind of portable infrared eccentricity cycles system, it is characterised in that obtain including control system, illuminator, image
System, image analysis processing system and display system are taken, control system contains wireless transmitting system and according to work order control
The normal work of infrared eccentricity cycles system, illuminator provide eccentric illumination, knot for infrared eccentricity cycles system
The image-taking system that conjunction is made up of imaging lens and image capture element, realizes the bias photography to tested eye, obtained figure
As sequence is Jing after the process of image analysis processing system, the dioptric and astigmatism relevant parameter of tested eye is calculated, and by showing is
System is shown.
2. portable infrared eccentricity cycles system according to claim 1, it is characterised in that the illuminator bag
Infrared eccentric illumination, infrared coaxial-illuminating are included, infrared eccentric illumination provides eccentric illumination for infrared eccentricity cycles system, red
Outer coaxial-illuminating realizes the coaxial-illuminating to tested eye, facilitates the extraction of tested eye pupil boundary.
3. portable infrared eccentricity cycles system according to claim 2, it is characterised in that the illuminator is also
Illuminate including fixation lamp, to tested eye-shaped into fixation, to attract the attention of tested eye, improve the measurement efficiency and accurately of system
Property.
4. portable infrared eccentricity cycles system according to claim 2, it is characterised in that the illuminator is equal
Using direct projection form, the infrared eccentric illumination is using the infrared eccentric light source of planar.
5. portable infrared eccentricity cycles system according to claim 1, it is characterised in that the illuminator bag
Light source circuit board is included, light source circuit board is circle, and middle is the hollow hole of hexagon or circle, and straight line is provided with hollow hole
The support beam of shape, for fixed central authorities' infrared LED lamp, light source circuit board includes central infrared LED lamp, radial concentric distribution
Infrared LED lamp and visible LED lamp, in the center of circle, the infrared LED lamp of radial concentric distribution is radially for central infrared LED lamp position
Radially be arranged on hollow hole outboard circuit plate, the interstitial site of infrared LED lamp place radial concentric distribution can
See light LED.
6. portable infrared eccentricity cycles system according to claim 5, it is characterised in that the central authorities are infrared
LED is infrared coaxial-illuminating, and the infrared LED lamp of radial concentric distribution is the infrared eccentric illumination of array, it is seen that light LED
Lamp is illuminated for the fixation lamp of array.
7. portable infrared eccentricity cycles system according to claim 5, it is characterised in that described linear
Support beam is on the reverse extending line of the direction of the launch of visible LED lamp or the centre of hexagon hollow hole.
8. portable infrared eccentricity cycles system according to claim 1, it is characterised in that the illuminator bag
Light source circuit board is included, light source circuit board central authorities are hollow hole, and light source circuit board is by infrared LED lamp and visible LED lamp, reflection
Mirror, optical glass and optical fiber composition, the infrared LED lamp and visible LED lamp of multiple divergings, can centered on the center of hollow hole
See that light LED is radially radially distributed on hollow hole periphery, multiple diverging infrared LED lamps are distributed on hollow out in isosceles trapezoid
On the outboard circuit plate of hole, positioned at the region at visible ray interval, also containing coaxial with the center of circle of circular circuit board in illuminator
Optical glass is pasted openwork hole, by reflecting mirror by the reflecting mirror for making incident illumination reflection and the optical fiber that instrument is conducted as light
Incline the center that certain angle is pasted onto optical glass.
9. portable infrared eccentricity cycles system according to claim 1, it is characterised in that the illuminator bag
Light source circuit board is included, light source circuit board central authorities are hollow hole, and light source circuit board central authorities are hollow hole, and light source circuit board is by infrared
LED and visible LED lamp, Cold Mirrors or heat mirror composition, the infrared LED lamp and visible LED lamp of multiple divergings is with hollow hole
Centered on center, it is seen that light LED is radially radially distributed on hollow hole periphery, multiple diverging infrared LED lamps are in isosceles
It is trapezoidal to be uniformly distributed on hollow hole outboard circuit plate, light is arranged on positioned at the region at visible ray interval, Cold Mirrors or heat mirror
In late.
10. according to 5,8 or 9 arbitrary described portable infrared eccentricity cycles system of claim, it is characterised in that light source
Circuit board includes 6 groups of infrared LED lamps and 6 groups of visible LED lamps, number N >=9 of every group of infrared lamp LED.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611048490.8A CN106580244A (en) | 2016-11-22 | 2016-11-22 | Portable infrared eccentric photorefraction system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611048490.8A CN106580244A (en) | 2016-11-22 | 2016-11-22 | Portable infrared eccentric photorefraction system |
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| CN106580244A true CN106580244A (en) | 2017-04-26 |
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| CN201611048490.8A Pending CN106580244A (en) | 2016-11-22 | 2016-11-22 | Portable infrared eccentric photorefraction system |
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Cited By (13)
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|---|---|---|---|---|
| CN107184178A (en) * | 2017-06-26 | 2017-09-22 | 廖亮举 | A kind of hand-held vision drop instrument of intelligent portable and optometry method |
| CN107198507A (en) * | 2017-07-19 | 2017-09-26 | 苏州微清医疗器械有限公司 | Confocal laser fundus imaging instrument |
| CN108253970A (en) * | 2018-04-12 | 2018-07-06 | 中国电子科技集团公司第二十研究所 | Utilize infrared pendent lamp and the method and system of camera robot measurement position |
| CN108478187A (en) * | 2018-05-04 | 2018-09-04 | 长春市眼动力科技有限公司 | A kind of eyesight detection device based on eccentricity cycles principle |
| CN109758111A (en) * | 2019-02-28 | 2019-05-17 | 重明鸟(苏州)智能技术有限公司 | A kind of portable visual acuity disease screening instrument based on AI artificial intelligence platform |
| CN109893087A (en) * | 2019-04-11 | 2019-06-18 | 北京悦琦创通科技有限公司 | A kind of hand-held fundus camera |
| CN110251073A (en) * | 2019-07-18 | 2019-09-20 | 南京览视医疗科技有限公司 | It is a kind of intelligence screening strabismus and diopter diagnostic device |
| CN110522408A (en) * | 2019-07-25 | 2019-12-03 | 北京爱诺斯科技有限公司 | A kind of eye eyesight based on eccentricity cycles technology judges system and method |
| CN110575134A (en) * | 2019-07-25 | 2019-12-17 | 北京爱诺斯科技有限公司 | method for calculating myopia degree based on eccentric photography |
| CN111067476A (en) * | 2020-01-08 | 2020-04-28 | 上海美沃精密仪器股份有限公司 | Portable infrared eccentric photography optometry system |
| CN113218340A (en) * | 2021-05-21 | 2021-08-06 | 哈尔滨理工大学 | Light-variable type eccentricity detection device and detection method for small-diameter cable |
| CN113218341A (en) * | 2021-05-21 | 2021-08-06 | 哈尔滨理工大学 | Cable turning type infrared eccentricity detection device and detection method |
| CN113280761A (en) * | 2021-06-24 | 2021-08-20 | 哈尔滨理工大学 | Cable infrared eccentricity detection device and detection method under shaking |
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| CN111067476A (en) * | 2020-01-08 | 2020-04-28 | 上海美沃精密仪器股份有限公司 | Portable infrared eccentric photography optometry system |
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