CN106419825A - Graph-matching type children vision detector and using method of detector - Google Patents
Graph-matching type children vision detector and using method of detector Download PDFInfo
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- 230000004438 eyesight Effects 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims description 15
- 238000001514 detection method Methods 0.000 claims abstract description 49
- 238000012360 testing method Methods 0.000 claims description 15
- 230000000694 effects Effects 0.000 abstract description 3
- 238000012545 processing Methods 0.000 description 15
- 230000000007 visual effect Effects 0.000 description 14
- 239000011148 porous material Substances 0.000 description 11
- 239000004973 liquid crystal related substance Substances 0.000 description 10
- 201000009487 Amblyopia Diseases 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 210000003128 head Anatomy 0.000 description 4
- 230000001225 therapeutic effect Effects 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 2
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- 238000005516 engineering process Methods 0.000 description 1
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- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000011017 operating method 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
- A61B3/02—Subjective types, i.e. testing apparatus requiring the active assistance of the patient
- A61B3/028—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing visual acuity; for determination of refraction, e.g. phoropters
- A61B3/032—Devices for presenting test symbols or characters, e.g. test chart projectors
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Abstract
The invention discloses a graph-matching type children vision detector; an atlas for the detector for vision detection comprises a plurality of icon groups and each icon group includes a plurality of icons; the groups are different that the icons are different in size, and the icons in a same group are different in shape; and the detector further comprises the following functional modules: a first display module, second display module, a repeating module and a judging module; by virtue of the first display module, the plurality of icons are displayed on a screen; by virtue of the second display module, another icon, which is selected from the vision detection atlas, is displayed on the screen, and a target icon is matched with a to-be-selected icon by virtue of a detected object through a clicking operation; and the judging module is used for judging whether the detected object is rightly matched or not. The vision detector provided by the invention has effects that children younger than two-year old can self-detect and assess visions.
Description
Technical field
The present invention relates to a kind of medical science detection technique, particularly a kind of figure pairing type children's vision detector and this detection
The using method of instrument.
Background technology
Modern medical service, for the detection of children's vision, typically uses the standard vision table of comparisons（By distinguishing different size of E
Towards the eyesight level judging experimenter）, and need adult to carry out puing question to children and just can be detected knot accordingly
Really；If by the standard vision table of comparisons according to a certain distance ratio（Testee and the space length of visual chart：Testee's eyes
And the distance between above-mentioned liquid crystal touch screen）Zoom in liquid crystal touch screen, if children being detected as one detection image,
Still need adult to guide question to children, allow children say corresponding result.
It is noted that the process not only entirely finding " E " is quite uninteresting, and owing to the child of less than two years old notes
Power and language understanding, ability to express are all more low；Therefore, child is difficult under the guiding of adult, actively removes appreciative standard
The direction of E in the eyesight table of comparisons, even if being test for the direction that child picks out E, it is also difficult to express, to allow enforcement test
Adult recognize corresponding result.
In order to solve eyesight testing for the more uninteresting problem of children, children are made actively to carry out detection operation, existing skill
Also having the replacement of E word in art is common concrete graphic of living.This still needs adult to guide question to children, allows
Child says corresponding result；This, for for the child of less than two years old, remains very difficult；Even if because child sees clearly
Concrete graphic, also differ the title saying the material object that figure is referred to correct surely；Also have some childs, this stage very
To not sociable.In both cases, the distortion that can directly result in testing result even cannot get any testing result.
Content of the invention
It is an object of the present invention to provide a kind of children that can make less than two years old carry out eyesight self-inspection and can comment
The detection device estimated.
For solving above-mentioned technical problem, the present invention provides following technical scheme：
Figure pairing type children's vision detector, including touch screen；Detector includes multiple figure for the atlas giving a test of one's eyesight
Mark group, includes multiple icon in each icon set；Difference between described group and group is only that varying in size of icon, with group figure
Difference between mark is only that shape is different, also includes following functional module：
First display module, in order to show multiple icon on screen, detects the same icon set in atlas selected from described eyesight,
It is designated as icon to be selected；This icon set is a group of the size maximum of icon；
Second display module, shows that on screen another is selected from the icon of described eyesight detection atlas, is designated as target icon, should
The shape of target icon is identical with one of described icon to be selected；Examined person by target icon with icon to be selected by clicking
Operation is matched；
Replicated blocks and judge module, in order to judge whether examined person matches correctly；If tester's pairing is correct, call the
One and second display module again show respective icon, and the size of target icon shown by this be only smaller than before once show
Target icon.
The operation principle of the present invention and having the beneficial effect that:Examined person is under the guide of the head of a family, to the first and second modules
The icon being shown on screen does matching operation, if examined person can see the icon shown by the second display module clearly, then may be used
With successful matching；After success, then reduce the icon shown by the second display module, then can investigate examined person, if can see
Clear less icon, till the icon that examined person cannot see clearly shown by the second display module；This principle and standard
Vision testing method is as good as, but whether this method does not needs examined person's oral expression it is clear that by clicking the correct of pairing
It whether can be learnt whether it is clear that and as game, interest is strong, is especially suitable for notice and language understanding, expression
The ability children of all more low less than two years old.
Further, also include logging modle, match correct number of times for recording examined person；
Described replicated blocks and judge module, in order to judge whether examined person matches correctly；If tester's pairing is correct, adjust
Again show respective icon with the first and second display modules, and the size of target icon shown by this is identical；Until being examined
Survey person matches correct number of times and reaches 2～5 times, then the size of target icon shown by the second display module once shows before being only smaller than
The target icon shown；
When minimum icon is paired correct 2～5 times, detection of end.
So, by judging whether repeatedly to match icon success, reduce child and accidentally match correct probability, testing result
More accurate.
Further, described logging modle, matches the number of times of correct/error continuously for recording examined person；
Described replicated blocks and judge module,
If until during tester's continuously correct 2～5 times of pairing, then calling target icon shown by control the second display module
Size be only smaller than before once shown target icon；
If until tester's wrong 2～5 times of pairing continuously, then calling the big of target icon shown by control the second display module
Little be merely greater than before once shown target icon；
When minimum target icon matched continuously correctly continuous 2～5 times after or maximum target icon matched mistake continuously
After continuous 2～5 times, detection of end.
The contingency of continuous successful matching/failed is less, reduce further child and accidentally matches correct probability.
Further, described first display module, for all selecting at random at screen every time from a group icon of size maximum
The icon multiple to be selected of display on curtain.The icon to be selected so compareing, will change every time, not only make examined
Person " can not carry on the back " icon, also add that the entertaining of test process is new and feeling of freshness, it is easier to attracts the notice of child.
Further, described second display module is additionally operable to, standard " E " the word eyesight detection after described every group icon and scaling
The icon sizes specification being comprised in every a line one_to_one corresponding of table, corresponding group and row is consistent；Described second display module
It is additionally operable to, screen shows the eyesight numerical value corresponding to its currently displayed icon.
So so that the eyesight journey estimating examined person that examined person and the people accompanying examined person can more intuitively quantify
Degree.
It is a further object of the present invention to provide the using method of a kind of figure pairing type children's vision detector, used
Eyesight detection atlas includes many group icons, and the difference between described group and group is only that the size of icon gradually reduces, with group figure
Difference between mark is only that shape is different；Comprise the steps and strategy：
A. on screen, show multiple icon, be designated as icon to be selected, the icon set in described eyesight detection atlas；This figure
Mark group is a group of the size maximum of icon；
B. on screen, show that another is selected from the icon of described eyesight detection atlas, be designated as target icon, this target icon
Shape is identical with one of described icon to be selected；Treat examined person by clicking target icon and one of icon to be selected
Match；
C. repeat according to following strategy：
If as correct in examined person pairing, then return to step a；
The size of the target icon of this display target icon once shown before being only second to；
Until the icon of minimum is paired successfully, detection terminates.
Further, in described step c, repeat according to following strategy：
If as correct in examined person pairing, then return to step a;
After repeating 2～5 times, step b shows the icon once shown before being only second to of size.
Further, it, in described step c, is repeated in step a and step b according to described strategy, and refresh step a is at screen
Multiple icons of display on curtain.
The eyesight of child is detected by the tester in the present invention according to a kind of execution the in this said method, reaches institute
Desired effect.
Further, the every a line one_to_one corresponding of standard " E " word eye after described every group icon and scaling, relatively
The group answered is consistent with the icon sizes specification being comprised in row.
So, Detection results is closer to the eyesight detection of standard.
Further, the figure of described icon is common concrete graphic or geometric figure in life.
So, add the interest of detection, and the difference of the profile of these patterns is relatively big, is possible to prevent to falsely drop.
Brief description
Fig. 1 is a kind of screen display result of embodiment of the present invention pairing type children's vision detector, and the word in figure is
A part for display content；
Fig. 2 is that embodiment of the present invention pairing type children's vision detector selects screen display during " figure pairing " detection method to tie
Really, the word in figure is a part for display content.
Detailed description of the invention
With embodiment, technical solution of the present invention is further illustrated below in conjunction with the accompanying drawings：
Embodiment of the present invention figure pairing type children's vision detector, can be real by improving traditional amblyopia therapeutic equipment
Existing.It is the supplementary introduction of amblyopia therapeutic equipment as follows：Amblyopia therapeutic equipment includes the after image ruddiness lens barrel of pivot joint successively, liquid crystal touch screen frame
Frame and base, liquid crystal touch screen is fixedly mounted in the space that liquid crystal touch screen framework is surrounded, and liquid crystal touch screen framework is provided with one group
Function selecting key；Pivot between after image ruddiness lens barrel, liquid crystal touch screen framework and base is hollow shaft.Base is provided with CAM instrument
And stylus, base side wall accommodates the chamber of this stylus and closes the clamp of this chamber；Central processing unit is also sequentially connected with
Having audio-frequency module and loudspeaker, loudspeaker is installed in liquid crystal touch screen framework, and liquid crystal touch screen framework to be provided with position corresponding
Go out acoustic aperture.
Liquid crystal touch screen is connected with controller and memory in turn, is operated by the software performed by controller and controls corresponding liquid
Brilliant touch screen shows the required pattern of eyesight detection.
For hardware device, some deformation, such as prior art CN204636922U can also be made with reference to prior art
Disclosed amblyopia therapeutic equipment.
Described function selecting key is connected with central processing unit, and function selecting key includes eyesight detection key, and this key is provided with " E "
Word pattern, it is easy to allow people associate vision monitoring, be convenient for people to identification.
Press eyesight detection key, screen there will be eyesight detection catalogue and clicked by touch screen for user.
1）Select the detection of point-like visual chart,
A. only occurring a pore on screen, the pore now occurring is icon maximum in point-like eye, treats
When examined person chooses the center of pore with rod hammer shape stylus, this pore disappears, and central processing unit is by this centre bit
The positional information put preserves in memory；
B. central processing unit select on screen one from the different location point of the positional information that once preserved in storage
Device preserves the positional information of this location point, and using this location point as new central point manifest on screen one little black
Point, it is desirable to the pore that the size of this pore manifesting occurred less than the last time；Treat that examined person chooses new central point
When, this pore disappears, preserves the positional information of new central point simultaneously；The scattergram target color manifesting every time is from red
The one randomly choosing in look, green and blueness；
C. step B is repeated；
In above process, if central processing unit detect the pore manifesting within the specified time always not selected or
During selected 1～3 time of minimum pore, detection completes, and characterizes regarding of examined person with selected minimum pore
Force level.
Clicking on pore with pointer point or finger, from large to small, and the position occurring every time is different for stain.Eyesight is examined
In survey table the diameter specification of stain be followed successively by 5mm, 4mm, 3.5mm, 3mm, 2.5mm, 2mm, 1.5mm, 1mm, 0.5mm,
0.3mm、0.2mm、0.1mm（Children eye distance screen 30cm）.Have with regard between the visual experimenter of size of icon and screen
Distance carries out equal proportion adjustment.
2）Select the test table detection of E word,
Examined person at 40cm, simple eye alternately testing.Its operating procedure is as follows：
A. on screen, show complete E font detection table；
B. when examined person selects certain a line in E font detection table on screen with rod hammer shape stylus, the partial zones on screen
Territory and only manifest a random E font icon, the size specification of this E font icon is corresponding with certain a line described.Herein
The direction referring to E font icon at random is uncertain.
C. examined person clicks on or when choosing described regional area, and this regional area random display size is identical and shape
Different E font icons.
Also include that step d1. repeats step c, until the E font icon of certain a line described is fully displayed or enters step
D2. step c is repeated, until when examined person selects another row in E font detection table on screen, reentering step b.
In order to adapt to different distance tests, entirely test table can be zoomed in and out according to distance proportion, realize not
The effect that the sight of same distance regards.
3）Select the detection of children's Visual picture chart.
As it is shown in figure 1, all figures in Visual picture chart are common concrete graphic of living, and every a line graphic diagram
Target size specification is consistent with E font detection table peer graph target size specification.The common concrete graphic of described life is permissible
It is the such class figure of such as apple, doggie.
The detecting step of Visual picture chart is consistent with the detecting step of above-mentioned E font detection table.
To E word visual chart and Visual picture chart, devise 100%, 75%, 50% and 25% four kind of different contrast, respectively
Measuring the eyesight value under every kind of contrast, detection method is basically identical（Preferably, the point-like of different contrast is not considered
The test of visual chart）.
4）Select " figure pairing " detection method.As shown in Figure 2：Central processing unit is many in the random display of screen top half
Individual icon；In the present embodiment, the figure of these icons is both selected from children's Visual picture chart, its size specification and children's figure eyesight
In table, the specification of a line that size is maximum is identical.
Central processing unit, in the latter half of screen, shows that another size specification selects all from the figure of children's Visual picture chart
Mark（It is also the icon choosing maximum specification for the first time）, one of shown icon phase above the shape of this icon and screen
With the eyesight numerical value being characterized with the size also having this chart that this icon shows simultaneously；
Treat that shown icon in above this icon and screen, under the guiding of the head of a family, is joined by examined person by a selection operation
Right；
Central processing unit record pairing result to mistake；
Mistake, then without any operation；
Right, then the multiple icon of again random above screen display；
In in other enforcements, the shape of simultaneously shown below screen target icon can change；
Treat that examined person continues under the guiding of the head of a family, shown icon above this icon and screen is carried out by a selection operation
Pairing；
Until central processing unit recorded treats that three pairings of examined person are correct, represent that testee's eyesight has met or exceeded currently
Degree, then no longer show the constant icon of size in the lower section of screen, but will be according to icon sizes in figure eye
The order successively decreasing shows new icon successively；
When central processing unit recorded, minimum icon is paired successfully after three times, detection of end.
The number of times of successful matching can be changed artificially, can also is that 2 times, 4 times or 5 times.
In other preferred embodiments,
Central processing unit is also carried out record to the pairing clicking mistake, and also refreshes the figure above screen when matching unsuccessfully
Mark；
Until central processing unit recorded treats that continuous three pairings of examined person are correct, represent that testee's eyesight meets or exceeds
Now way, then no longer show the constant icon of size in the lower section of screen, but will be according to icon in figure eye
The order that size is successively decreased shows new icon successively；
And if central processing unit recorded and treats continuous three the pairing mistakes of examined person, represent that testee's eyesight not yet reaches to work as
Front degree, then no longer show the constant icon of size in the lower section of screen, but according to icon sizes in figure eye
The order being incremented by shows new icon successively；
When central processing unit recorded, minimum icon is by after continuous successful matching three times or maximum icon is lost by continuous pairing
Lose three times, detection of end.
The number of times of continuous success or failure can be changed artificially, can also is that 2 times, 4 times or 5 times.
The head of a family, aside by observation detection process, just can go out examined person regarding substantially by the numerical prediction from screen
Force level.
From the foregoing, it will be observed that the different detection functions that central processing unit clicks on touch screen according to user, it is judged that need to carry out
The detection pattern of display and corresponding eyesight detection pattern.Generally for the children of more than 4 years old, need to show complete on screen
E font detects table；For 2-4 year children preferably use Visual picture chart, use " figure pairing " to examine for less than 2 years old children
Survey, point-like " why visual chart be applicable to the assessment of infant's visual performance developmental state.
Claims (10)
1. figure pairing type children's vision detector, including touch screen；It is characterized in that, detector is for the figure giving a test of one's eyesight
Collection includes multiple icon set, includes multiple icon in each icon set；Difference between described group and group is only that the big of icon
With the difference between group icon, little difference, is only that shape is different, also includes following functional module：
First display module, in order to show multiple icon on screen, detects the same icon set in atlas selected from described eyesight,
It is designated as icon to be selected；This icon set is a group of the size maximum of icon；
Second display module, shows that on screen another is selected from the icon of described eyesight detection atlas, is designated as target icon, should
The shape of target icon is identical with one of described icon to be selected；Examined person by target icon with icon to be selected by clicking
Operation is matched；
Replicated blocks and judge module, in order to judge whether examined person matches correctly；If tester's pairing is correct, call the
One and second display module again show respective icon, and the size of target icon shown by this be only smaller than before once show
Target icon.
2. figure pairing type children's vision detector according to claim 1, it is characterised in that also include logging modle,
Match correct number of times for recording examined person；
Described replicated blocks and judge module, in order to judge whether examined person matches correctly；If tester's pairing is correct, adjust
Again show respective icon with the first and second display modules, and the size of target icon shown by this is identical；Until being examined
Survey person matches correct number of times and reaches 2～5 times, then the size of target icon shown by the second display module once shows before being only smaller than
The target icon shown；
When minimum icon is paired correct 2～5 times, detection of end.
3. figure pairing type children's vision detector according to claim 1, it is characterised in that also include logging modle,
Match the number of times of correct/error for recording examined person continuously；
Described replicated blocks and judge module,
If until during tester's continuously correct 2～5 times of pairing, then calling target icon shown by control the second display module
Size be only smaller than before once shown target icon；
If until tester's wrong 2～5 times of pairing continuously, then calling the big of target icon shown by control the second display module
Little be merely greater than before once shown target icon；
When minimum target icon matched continuously correctly continuous 2～5 times after or maximum target icon matched mistake continuously
After continuous 2～5 times, detection of end.
4. the figure pairing type children's vision detector according to claim the 1st, 2 or 3, it is characterised in that described first shows
Show module for all selecting the icon multiple to be selected of display on screen every time from a group icon of size maximum at random.
5. the figure pairing type children's vision detector according to claim the 1st, 2 or 3, it is characterised in that described often group figure
The icon being comprised in every a line one_to_one corresponding of standard " E " the word eye after mark and scaling, corresponding group and row
Size specification is consistent；Described second display module is additionally operable to, and shows regarding corresponding to its currently displayed icon on screen
Power numerical value.
6. the using method of figure pairing type children's vision detector, it is characterised in that the eyesight detection atlas being used, including
Multiple icon set, each icon set includes multiple icon；Difference between described group and group is only that varying in size of icon, with
Difference between group icon is only that shape is different, comprises the steps and strategy：
A. on screen, show multiple icon, be designated as icon to be selected, the icon set in described eyesight detection atlas；This figure
Mark group is a group of the size maximum of icon；
B. on screen, show that another is selected from the icon of described eyesight detection atlas, be designated as target icon, this target icon
Shape is identical with one of described icon to be selected；Treat examined person by clicking target icon and one of icon to be selected
Match；
C. repeat according to following strategy：
If as correct in examined person pairing, then return to step a；
The size of the target icon of this display target icon once shown before being only second to；
Until the icon of minimum is paired successfully, detection terminates.
7. the using method of figure pairing type children's vision detector according to claim 6, it is characterised in that described step
In rapid c, repeat according to following strategy：
If as correct in examined person pairing, then return to step a;
After repeating 2～5 times, step b shows the icon once shown before being only second to of size.
8. the using method of figure pairing type children's vision detector according to claim 6, it is characterised in that described step
In rapid c, repeat according to following strategy：
Return to step a, and record examined person and match correctness；
Examined person third time pairing continuously is correct, then the figure once shown before being only second to of the size of the icon of this display
Mark；
Examined person third time pairing mistake continuously, then once shown figure before the size of the icon of this display is merely greater than
Mark；
Until, minimum icon is matched unsuccessfully by the icon of continuous three successful matchings or maximum by continuous three times, and detection completes.
9. the using method of the figure pairing type children's vision detector according to claim the 6th, 7 or 8, it is characterised in that
Institute in every a line one_to_one corresponding of standard " E " the word eye after described every group icon and scaling, corresponding group and row
The icon sizes specification comprising is consistent.
10. the using method of the figure pairing type children's vision detector according to claim the 6th, 7 or 8, it is characterised in that
The figure of described icon is common concrete graphic or geometric figure in life.
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| CN109171637A (en) * | 2018-09-30 | 2019-01-11 | 苏州安视沛清科技有限公司 | Vision testing method, device, computer storage medium and computer equipment |
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