CN109431453A - A kind of eye view light instrument for objective vision general survey - Google Patents
A kind of eye view light instrument for objective vision general survey Download PDFInfo
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- CN109431453A CN109431453A CN201811307309.XA CN201811307309A CN109431453A CN 109431453 A CN109431453 A CN 109431453A CN 201811307309 A CN201811307309 A CN 201811307309A CN 109431453 A CN109431453 A CN 109431453A
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- examinee
- general survey
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- eye
- light
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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
-
- 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
- A61B3/1035—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining refraction, e.g. refractometers, skiascopes for measuring astigmatism
-
- 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
- A61B3/11—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for measuring interpupillary distance or diameter of pupils
- A61B3/112—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for measuring interpupillary distance or diameter of pupils for measuring diameter of pupils
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Biophysics (AREA)
- Ophthalmology & Optometry (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Eye Examination Apparatus (AREA)
Abstract
The present invention provides a kind of eye view light instrument for objective vision general survey, comprising: plate and several optical components, light source, preceding crack (front view such as 4), prime focus, positive lens, spectroscope, the virtual image, (seeing such as 10 in front) will be far from its initial position 3.Light beam is dissipated by the virtual image 9, rotates about 90 degree via thin slide 7 and to projecting those who are investigated's eyes 13.The light beam of reflection appears to be issued by its virtual image 11 (front view such as 12), one Small object is placed in rear crack 14 (its top view such as 15), positioned at the outside of the prime focus 6 of positive lens 5, its real image 16 (front view) formed by the positive lens 5 focuses on the forehead of examinee after rotating 90 degree by thin slide 7.Clearly real image 16 has determined the inspection distance between this instrument and examinee.During the inspection process, nanometer patch 19 is installed behind plate 1, when plate wells 8 are aligned with smart phone camera 18, is closely attached to smart phone with nanometer patch 19.
Description
Technical field
The present invention relates to a kind of eyes for objective vision general survey to regard light instrument, and present invention relates particularly to one kind to be attachable to intelligence
Energy mobile phone or DV and iPad etc. have on the utensil of camera function, cause the eye of children's myopia abnormal for detecting
Eye regard light instrument.
Background technique
There is 2~4% population to suffer from amblyopia in the world, also has identical incidence in China.The amblyopia overwhelming majority be
In petticoats existing eye be imaged it is bad caused by, this may betide uncoordinated (strabismus) of binocular visual axis；Relatively high
It is ametropia, especially astigmatism or long sight；There are higher myopia or long sight (antimetropia) than another eye at a glance；Or eyes are bent
The muddiness of optical medium, such as congenital cataract or ocular tumor.Since the mechanism of amblyopia is related to brain, causing a disease
After factor obtains releasing, eyesight will not be recovered immediately, and in order to improve eyesight, need to carry out visual exercise.Early detection amblyopia
Pathogenic factor is most important for improving success rate.If amblyopia will continue to adult, and adult weak without treatment
It is extremely low depending on success rate.The amblyopia of child is difficult to be found, for each children carry out comprehensive eye regard optical test to
It is unpractical for finding out eye extremely.Therefore, carrying out Vision screening as early as possible for all children is necessary and feasible method.
Existing vision general survey is just executed when children are to the school age, but has missed the optimal treatment age.At present
The most of vision general survey device and method used are subjectivity mostly, need the accurate response of children, and child is then less
It may accomplish.Subjective vision general survey is that visual performance exception is found by test eyesight and/or stereoscopic vision.If it find that
Visual performance is abnormal, which will be sent to training and carry out comprehensive eye depending on optical test to find out the cause of disease.
Therefore, we there is an urgent need to some more effective and efficient methods and apparatus to carry out vision general survey.The present invention relates to
And instrument be attachable on smart phone, the objective detection of amblyopia reason can be directly used in.Instrument of the present invention also has
Convenient, effective, efficient, light-weight feature is operated, while being easy to carry about with one and cheap.
Summary of the invention
The present invention provides a kind of eye view light instrument for objective vision general survey comprising: 1- plate and several optical sections
Part, the preceding crack 2- light source, 3- (front view such as 4), 5- prime focus, 7- spectroscope, the 9- virtual image, (are seen such as in front 6- positive lens
10) it will be far from its initial position 3.Light beam is dissipated by the virtual image 9, via about 90 degree of thin slide 7 rotation and examined to projecting
Person's eyes 13.It is appeared to be issued by its virtual image 11 (front view such as 12) by the light beam that thin slide 7 reflects, a Small object
It is placed in rear crack 14 (its top view such as 15), can be any shape, such as cross, positioned at the prime focus 6 of positive lens 5
Outside, so before its real image 16 (front view) formed by the positive lens 5 focuses on examinee after rotating 90 degree by thin slide 7
Volume.Clearly real image 16 has determined the distance of the inspection between this instrument and examinee (such as 1 meter).During the inspection process, real image
16 move along the middle line of examinee's eyes, so that light beam is by the eyes of symmetrically incident examinee, in order to keep this instrument attached
Smart phone 20 is connected, nanometer patch 19 is installed behind plate 1.When plate wells 8 are aligned with smart phone camera 18, use
Nanometer patch 19 is closely attached to smart phone.
Preferably, the principle of this instrument is similar to conventional skiascope principle, and conventional skiascope is professional eye view light people
Member is conventionally used for the refractive status of test examinee, it is reliable, accurate.From the reflective direction of motion of retina, speed, width and
In brightness, inspection shadow person can assess the refractive status of tested eye, and from the reflective clarity of retina, detect tested eyes
Refracting media with the presence or absence of muddiness, refracting media nubecula may cause the property deprived and blocking property amblyopia.The video of this instrument is remembered
Record will acquire information identical with conventional retinoscopy optometry, this sufficiently achieves the purpose of vision general survey, in addition, this instrument also has one
The effect different from conventional retinoscopy optometry a bit.
Preferably, this instrument can carry out eyes inspection shadow, rather than simple eye inspection shadow simultaneously.It can collect the double of examinee
Eye information is simultaneously compared.It also can detecte strabismus, antimetropia and anisocoria disease.
Preferably, the result of this instrument videograph can be stored in examinee's case history archive, can long-term follow follow-up.
Preferably, this instrument videograph the result is that biometrics, remove specialty analysis convenient for sending, or pass through calculating
Machine program objective analysis, rather than by inspection shadow person oneself subjective judgement.
Preferably, this instrument before examinee without arranging apparatus, such as comprehensive optometry instrument, trial frame and trial lens or row
Mirror, arranging apparatus can make child be not easy to be checked at the moment.
Preferably, this instrument uses longer inspection distance, will not frighten or shift the attention of child, and routine examines shadow
The shorter arm length for being constrained to inspection shadow person of the inspection distance of optometry is in 0.5 to 0.67 meter of range.
Preferably, the inspection of this instrument can be implemented by layman, such as parent, school nurse, nursery teacher, family
Chamber doctor or pediatrician and others skilled in the art.
Preferably, this instrument analysis abnormal to eye can be complete by the layman by short-term cultivation or study
At it can also analyze immediately or be analyzed later by professional team, and instrument inspection can be completed in a short time, it can be very
It include easily implementing with baby even newborn in child, because their attention is very of short duration and fitness is bad,
It places to neglect before this instrument and is marked with stimulation examinee's adjusting, eyes dynamic retinoscopy can be carried out using this instrument, and can visitor
See the regulating power of ground assessment examinee's eyes.
Preferably, this instrument separately has an optional detection method: when light beam just contacts the pupil edge of examinee
It takes pictures.Photo is reflective by the cornea of both eyes for showing examinee reflective (Hirschberg test) and retina of both eyes
Shade (eccentric photorefraction) in difference (Bruckner test) and pupil.The range of common photography optometry is by light source
The distance between camera determines.Since this distance of photography optometry is fixed, the measurement range of refractive status
It will receive limitation.However, the distance of this instrument can change with the rotation of thin slide, therefore it can detecte all dioptric shapes
The range of state.
The present invention provides a kind of eye view light instrument for objective vision general survey, the advantage is that: the present invention is a kind of energy
Enough instruments easily invested on smart phone or similar picture pick-up device.The instrument uses the working principle of conventional skiascope,
And Retinoscopy rule is eye depending on the conventional use of objective side that can accurately measure patient's refractive status of light professional staff
Method.However, this conventional Retinoscopy can only check respectively for two, and this instrument can check that examinee's is double simultaneously
Eye.Therefore, this instrument can easily detect that antimetropia and strabismus can also be detected while the refractive status of examinee.
Conventional retinoscopy optometry the result is that by inspection person's subjective judgement, and this instrument is then to be recorded by digital video, and can be passed through
The layman for crossing of short duration study analyzes, and is perhaps sent at professional consultant or is divided by computer program
Analysis.Conventional retinoscopy optometry is limited by inspection person's arm length, be generally detected in distance the position of 0.5 to 0.67 meter of shadow person into
Row checks, and this instrument can drive row into any distance, so that children can easily receive this inspection.Conventional inspection
Shadow optometry is a time-consuming inspection, however can be but completed in a short time using this instrument, and being particularly suitable for child includes
Baby even newborn because their attention time of concentration is short and fitness is low, due to this instrument can easily by
Layman uses, therefore it can be widely used on vision general survey.
Detailed description of the invention
Fig. 1 is to be attachable to the objective vision general survey instrument of smart phone to invest side view on smart phone.
Fig. 2 is the front view for being attachable to the objective vision general survey instrument of smart phone.
Fig. 3 is the rearview for being attachable to the objective vision general survey instrument of smart phone.
Specific embodiment
The present invention provides a kind of eye view light instrument for objective vision general survey comprising: 1- plate and several optical sections
Part, the preceding crack 2- light source, 3- (front view such as 4), 5- prime focus, 7- spectroscope, the 9- virtual image, (are seen such as in front 6- positive lens
10) it will be far from its initial position 3.Light beam is dissipated by the virtual image 9, via about 90 degree of thin slide 7 rotation and examined to projecting
Person's eyes 13.It is appeared to be issued by its virtual image 11 (front view such as 12) by the light beam that thin slide 7 reflects, a Small object
It is placed in rear crack 14 (its top view such as 15), can be any shape, such as cross, positioned at the prime focus 6 of positive lens 5
Outside, so before its real image 16 (front view) formed by the positive lens 5 focuses on examinee after rotating 90 degree by thin slide 7
Volume.Clearly real image 16 has determined the distance of the inspection between this instrument and examinee (such as 1 meter).During the inspection process, real image
16 move along the middle line of examinee's eyes, so that light beam is by the eyes of symmetrically incident examinee, in order to keep this instrument attached
Smart phone 20 is connected, nanometer patch 19 is installed behind plate 1.When plate wells 8 are aligned with smart phone camera 18, use
Nanometer patch 19 is closely attached to smart phone.
In use, as shown in Fig. 2, thin slide 7 can be rotated along trunnion axis 20, trunnion axis 20 through excessively thin slide 7 and with inspection
It looks into that optical path is vertical, checks that optical path is the line connected between the midpoint and camera 18 of examinee's eyes, and pass through plate wells
8.As thin slide 7 rotates upward or downward, being incident upon the light beam 21 of examinee on the face will also be moved up or down.Work as light
When beam 21 is incident in examinee's pupil, it will illuminate the part retina of examinee, and is reflected off and projects back through pupil,
Outgoing beam by eyeball optical system will be formed in its far point plane outside picture.It is this to see in examinee's pupil
It is reflective that reflection is referred to as retina.As thin slide 7 rotates upward or downward, the hot spot being illuminated on retina also can upwards or
It moves down, so that it is external as will also move up or down.
When external as when moving through camera 18, smart phone will be captured and to record retina reflective.If this is outer
For portion's image position after camera 18, the reflective moving direction of retina will enter moving direction when examinee's pupil with light beam
Unanimously, such case is referred to as " along dynamic ", if the outside image position, before camera 18, the reflective moving direction of retina will
Moving direction when can enter examinee's pupil with light beam is on the contrary, be referred to as " reserve motion ", while can check that retina of both eyes is anti-
Light oblique movement, left/right abtorison, the opposite left/right eye refracting media presence of the reflective direction of motion of retina of both eyes are muddy, left/
Right eye upper eyelid is sagging, and pupil of both eyes is not equal big.
Inspection should be dim in illumination but be carried out in the environment of being not complete darkness, and child tested in this way will not just fear together
When their pupil be able to maintain it is larger.Examiner need to guide examinee to watch long sight mark, and hold this instrument close to tested
Person's line of regard, it is remote apart from 1 meter of examinee.Light source 2 is opened, Small object imaging 16 is clearly incident upon to the forehead of examinee
On.The video record function of opening smart phone, is rotated up and down thin slide 7 for several times.Respectively it is vertical, horizontal, 45 degree and 135
Degree meridian line position repeats the above process.If the reflective direction of motion of retina, width, speed and brightness are in these meridians
It is different between line position, then it represents that there are astigmatism and/or antimetropias for the eyes of examinee.
Inspection result can see from smart phone screen immediately during the inspection process, or can also be to post analysis.
During the inspection process, one ruler or small print can be placed in the forehead of examinee, so that smart phone
Camera can preferably focus.Ruler can also be used to measure the eyes interpupillary distance of examinee, reflection bar width, movement speed
Degree.
Highly ametropia, especially long sight, astigmatism, antimetropia, strabismus or intraocular opaque muddiness will all be led
Cause amblyopia.Here it is the purposes of vision general survey.
Above embodiment not does any restrictions, ability just for the sake of the present invention will be described in detail to it
Domain other staff make any change and replacement to technical solution of the present invention in the case where not paying creative labor, belong to
Within protection scope of the present invention.
Claims (7)
1. a kind of eye for objective vision general survey regards light instrument, it is characterised in that structure are as follows: 1- plate and several optical components,
The preceding crack 2- light source, 3- (front view such as 4), 5- prime focus, 6- positive lens, 7- spectroscope, the 9- virtual image, (seeing such as 10 in front) are incited somebody to action
Far from its initial position 3, light beam is dissipated by the virtual image 9, rotates about 90 degree via thin slide 7 and to projecting those who are investigated's eyes
13, it is appeared to for example 12) be issued by its virtual image 11(front view by the light beam that thin slide 7 reflects, after a Small object is placed in
Crack 14(its top view can be any shape, such as cross as in 15), positioned at positive lens 5 prime focus 6 it is outer
Side, so its real image 16(front view formed by the positive lens 5) rotate 90 degree by thin slide 7 after focus on the forehead of examinee,
Clearly real image 16 has determined the distance of the inspection between this instrument and examinee (such as 1 meter), during the inspection process, 16 edge of real image
Examinee's eyes middle line it is mobile so that light beam is by the eyes of symmetrically incident examinee, in order to enable this instrument to be attached
Smart phone 20 is equipped with nanometer patch 19 behind plate 1, when plate wells 8 are aligned with smart phone camera 18, with nanometer
Patch 19 is closely attached to smart phone.
2. a kind of eye for objective vision general survey regards light instrument according to claim 1, it is characterised in that: the present invention is
A kind of to invest the instrument that objectivity vision general survey is used on smart phone, it is by one piece of flat plate and several optical component groups
At.
3. a kind of eye for objective vision general survey regards light instrument according to claim 2, it is characterised in that: inside there is one to split
Gap is placed in front of light source or filament is as narrow banded light source.
4. a kind of eye for objective vision general survey regards light instrument according to claim 3, it is characterised in that: internal band
Shape light source can have the concave mirror of peephole at a virtual image by positive lens or center.
5. a kind of eye for objective vision general survey regards light instrument according to claim 1, it is characterised in that: crack or lamp
The virtual image formed by silk can be had the plane mirror of peephole or concave mirror to rotate about 90 degree by thin slide, center, and subsequent light beam is projected to
The eyes of examinee, there is the plane mirror of peephole at center or concave mirror should be front surface mirror, reflects to avoid by rear surface
Interference caused by caused illusory picture.
6. a kind of eye for objective vision general survey regards light instrument according to claim 1, it is characterised in that: can be implemented
Dynamic retinoscopy is to assess the regulating power of examinee.
7. a kind of eye for objective vision general survey regards light instrument according to claim 1, it is characterised in that: can be used for
Test the refractive status and regulating power of animal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811307309.XA CN109431453B (en) | 2018-11-05 | 2018-11-05 | Eye vision instrument for objective vision general survey |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811307309.XA CN109431453B (en) | 2018-11-05 | 2018-11-05 | Eye vision instrument for objective vision general survey |
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| Publication Number | Publication Date |
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| CN109431453A true CN109431453A (en) | 2019-03-08 |
| CN109431453B CN109431453B (en) | 2021-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811307309.XA Active CN109431453B (en) | 2018-11-05 | 2018-11-05 | Eye vision instrument for objective vision general survey |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111248851A (en) * | 2019-10-11 | 2020-06-09 | 中山大学中山眼科中心 | Visual function self-testing method |
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|---|---|---|---|---|
| US20100201944A1 (en) * | 2005-12-20 | 2010-08-12 | James Waller Lambuth Lewis | Adaptive infrared retinoscopic device for detecting ocular aberrations |
| CN202636906U (en) * | 2012-05-21 | 2013-01-02 | 刘立平 | Skiascopy optometry development device |
| CN204542052U (en) * | 2015-04-09 | 2015-08-12 | 重庆速魄光学仪器设计室 | For the handset type constructional device of fundus imaging |
| CN106343952A (en) * | 2016-11-22 | 2017-01-25 | 冯晔瑾 | Eye imaging device |
| CN107361738A (en) * | 2017-08-16 | 2017-11-21 | 苏州四海通仪器有限公司 | A kind of optical stop system and Ophthalmologic apparatus for Ophthalmologic apparatus |
-
2018
- 2018-11-05 CN CN201811307309.XA patent/CN109431453B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100201944A1 (en) * | 2005-12-20 | 2010-08-12 | James Waller Lambuth Lewis | Adaptive infrared retinoscopic device for detecting ocular aberrations |
| CN202636906U (en) * | 2012-05-21 | 2013-01-02 | 刘立平 | Skiascopy optometry development device |
| CN204542052U (en) * | 2015-04-09 | 2015-08-12 | 重庆速魄光学仪器设计室 | For the handset type constructional device of fundus imaging |
| CN106343952A (en) * | 2016-11-22 | 2017-01-25 | 冯晔瑾 | Eye imaging device |
| CN107361738A (en) * | 2017-08-16 | 2017-11-21 | 苏州四海通仪器有限公司 | A kind of optical stop system and Ophthalmologic apparatus for Ophthalmologic apparatus |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111248851A (en) * | 2019-10-11 | 2020-06-09 | 中山大学中山眼科中心 | Visual function self-testing method |
| CN111248851B (en) * | 2019-10-11 | 2023-08-11 | 中山大学中山眼科中心 | Visual function self-testing method |
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| Publication number | Publication date |
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| CN109431453B (en) | 2021-09-28 |
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