CN102038596B - Vision training instrument capable of regulating and controlling stimulating light sources and implementation method of vision training device - Google Patents
Vision training instrument capable of regulating and controlling stimulating light sources and implementation method of vision training device Download PDFInfo
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- CN102038596B CN102038596B CN 201110032015 CN201110032015A CN102038596B CN 102038596 B CN102038596 B CN 102038596B CN 201110032015 CN201110032015 CN 201110032015 CN 201110032015 A CN201110032015 A CN 201110032015A CN 102038596 B CN102038596 B CN 102038596B
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 26
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- 201000009487 Amblyopia Diseases 0.000 description 9
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Abstract
The invention discloses a vision training instrument capable of regulating and controlling stimulating light sources and an implementation method of the vision training instrument. The vision training instrument comprises a stimulating light source providing device, a display screen moving device and a center control system, wherein the stimulating light source providing device comprises a plurality of independent polygon display screens; the display screen moving device comprises a frame and multiple retractor devices, and the retractor devices are fixed on the frame; each display screen is fixed on the corresponding retractor device; the display screens are mutually embedded to be spliced to form a near hemispherical display structure; the retractor devices are used for controlling the movement of the display screens; the center control system is connected with the stimulating light source providing device and the display screen moving device; the stimulating light source providing device is used for providing the stimulating light sources; and the center control system is used for regulating and controlling the information of the stimulating light sources sent by the display screens. By using the vision training instrument, retinas of human eyes at different regions are pertinently stimulated, thereby achieving the functions of controlling the increment of short sight, controlling axix oxuli to elongate and promoting the transfer of a retina nerve signal.
Description
Technical field
The present invention relates to a kind of visual exercise device, in particular a kind of visual exercise instrument and implementation method of regulating and control stimulating light source.
Background technology
Present vision training instrument all concentrates on area centralis retinae with stimulus signal, lacks effective means and the method for targetedly zone stimulation.In fact the optic cell on the human eye retina, mainly formed by cone cell (in central area 10 degree) at macular area, and mainly formed by rod cell in the surrounding zone, the form of these two kinds of different cells, all exist significant difference on the function, improve amblyopia patient's visual function, should take the means of zones of different different stimulated, recover visual capacity comprehensively, that is to say, for cone cell and rod cell, should use different training methodes, for example use the HONGGUANG of 640nm to increase human eye cone cell sensitivity, and rod cell is increased its sensitivity with regard to the stimulation that needs different wave length and different brightness.So just require visual exercise that different stimulated means for the retina zones of different should be provided.
Up-to-date myopia research has proposed the further intensification that retina hypermetropia defocus signal can promote children myopia, and be considered to more already the one of the main reasons that myopia occurs at the defocus signal of area centralis retinae, if so can be on the visual exercise instrument, distinguish and simulate multi-form defocus signal, the defocus signal that effectively gives Myopia/hypermetropia that youngsters and children area centralis retinae and surrounding zone replace stimulates, can effectively alleviate in the daily life " hypermetropia out of focus " signal to the stimulation of eyeball development, may play very good auxiliaring effect to the serious development of pre-myopia prevention.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The object of the present invention is to provide a kind of visual exercise instrument and implementation method of regulating and control stimulating light source, be intended to solve existing vision training instrument, all stimulus signal is concentrated on area centralis retinae, can not carry out effective stimulus for zones of different, cause the not good problem of therapeutic effect.
Technical scheme of the present invention is as follows:
A kind of visual exercise instrument of regulating and control stimulating light source, wherein, comprise the stimulating light source generator, display screen mobile device and central control system, described stimulating light source generator comprises a plurality of independent polygon display screens, described display screen mobile device comprises framework and a plurality of retractor device, described retractor device is fixed on the framework, each display screen is fixed on the corresponding retractor device, mutual chimeric splicing forms the display structure of a nearly semi-spherical shape between each display screen, it is independently mobile that described retractor device is used for controlling described display screen, and described central control system connects described stimulating light source generator and display screen mobile device; Described stimulating light source generator is used for providing stimulating light source; Described central control system moves for information and the display screen of the stimulating light source that the regulation and control display screen sends.
The described visual exercise instrument of regulating and control stimulating light source, wherein, the display screen of described stimulating light source generator is equal-sized regular hexagon or tetragon.
The described visual exercise instrument of regulating and control stimulating light source, wherein, the display screen that stimulating light source is provided is organic electroluminescent LED display screen, light emitting diode (LED) display screen or LCDs.
The described visual exercise instrument of regulating and control stimulating light source, wherein, the framework of described display screen mobile device is a half-spherical frame.
The described visual exercise instrument of regulating and control stimulating light source, wherein, described retractor device by cantilever back and forth or expand and realize displacement.
The described visual exercise instrument of regulating and control stimulating light source, wherein, the short radius of nearly hemispheric stimulating light source generator is greater than 33cm, and its circular cone top is 40 to 80 degree.
The described visual exercise instrument of regulating and control stimulating light source, wherein, the number of described display screen is 5-142, and is provided with a central display screen, other display screen forms a plurality of concentric circulars around described central display screen.
The described visual exercise instrument of regulating and control stimulating light source, wherein, described each display screen is provided with numbering.
A kind of implementation method of regulating and control the visual exercise instrument of stimulating light source, wherein, it may further comprise the steps:
S1: select training mode, if preference pattern 1,3 or 4 execution in step S3,2 execution in step S2 of described preference pattern,
Wherein, pattern 1 is that the full visual field stimulates, and pattern 2 is that non-macula lutea stimulates, and mode 3 is that the other central visual field of annular region stimulates, and pattern 4 stimulates for macula lutea;
S2: the numbering of selecting display screen;
S3: the parameter of selecting type, stimulation time and the stimulating light source of stimulation content;
The type of described stimulation content comprises video, figure and contrast color upset; Described stimulation time is the stimulation time of setting according to zones of different; The parameter of described stimulating light source comprises the brightness and contrast,
S4: select the out of focus scope;
Wherein, comprise the distance of selecting some display screens or a certain viewing area to move forward and backward,
S5: carry out stimulating exercise;
S6: the beginning timing, judge whether to reach stimulation time, be execution in step S7 then, otherwise continue execution in step S5;
Step S7: stimulating exercise finishes, and display screen recovers initial setting up.
The described implementation method of regulating and control the visual exercise instrument of stimulating light source wherein, when needs stimulate macular area, selects central display screen to stimulate the human eye cone cell with 580nm to the long wavelength of 780nm; Screen except central display screen, adopt 380nm to the short wavelength of 580nm with from the stimulating light source of the different brightness of central display screen.
Beneficial effect of the present invention: the present invention is combined into visual exercise stimulating light source generator by setting up by polylith independence polygon display screen, and under the central control system regulation and control, independently display screen can be for the retina zones of different to make each, utilize the variation of the movement of screen front and back position, the adjustment that shows the light power, demonstration wavelength of light etc., the stimulation that the human eye retina is produced variety of way.Thereby carry out targetedly human eye zones of different retina is carried out the regionality stimulation, reach auxiliary eyeball development (rectification amblyopia), promote the function of retina neural signal transmission (pre-myopia prevention), reach the assosting effect that promotes that visual performance is grown.The light source of specific aim stimulation can be provided for human eye retina's zones of different.
Description of drawings
Fig. 1 is the display screen outside sketch map of light source-providing device provided by the invention;
Fig. 2 is the using method flow chart of light source-providing device provided by the invention.
The specific embodiment
For making purpose of the present invention, technical scheme and advantage clearer, clear and definite, developing simultaneously referring to accompanying drawing, the present invention is described in more detail for embodiment.
The technological means that the technical problem that the present invention solves provides is to set up to be combined into visual exercise stimulating light source generator by polylith independence polygon display screen, and under the central control system regulation and control, independently display screen can be for the retina zones of different to make each, utilize the variation of the movement of screen front and back position, the adjustment that shows the light power, demonstration wavelength of light etc., the stimulation that human eye retina's different parts is produced varying strength, different modes.
Visual exercise instrument provided by the invention comprises: stimulating light source generator, display screen mobile device and central control system.Described stimulating light source generator is arranged on the described display screen mobile device, and described central control system connects described stimulating light source generator and display screen mobile device.Be illustrated in figure 1 as the schematic appearance of the stimulating light source generator of visual exercise instrument provided by the invention, it comprises polylith independence polygon display screen, described display screen mobile device comprises a nearly half-spherical frame, each display screen is fixed on the framework, and to prevent that it from lateral displacement occurring, mutual chimeric splicing forms the display structure of a semielliptical shape between each display screen.And the screen that is used for providing stimulating light source forms one without frame display screen for seamless link towards the setting of centre of sphere direction between each display screen.
Each display screen can carry out axial displacement at framework, and an axial stretching device is namely arranged behind each display screen, makes each display screen all can controlledly carry out the also relative retina of axial displacement and forms clear or fuzzy image.Described framework is positioned at the rear of display screen, and described retractor device is positioned at the display screen back side and while and display screen and framework maintenance.Described retractor device by cantilever, back and forth or expand and realize axial displacement, the amplitude of described displacement is the scope of 0 ± 20mm.
It is described that the display screen of stimulating light source is provided is organic electroluminescent LED display screen (OLED), light emitting diode (LED) display screen (LED), LCDs (LCD) or three's combination, described display screen is polygon, be each display screen regular hexagon preferably through testing its optimum shape, and area is the same.What the embodiment of the invention provided is the tetragon screen, is because tetragon is produced easily.
Because simulate distant vision, described nearly hemispheric stimulating light source generator is the spheroid shell of radius more than 33 centimetres, (40 to spend be minima as the above circular cone of 40 degree to get drift angle take the centre of sphere as the summit, can be up to 180 degree is exactly hemisphere), circular cone projects the support shape that spheroid shell spheroid shell partly is stimulator.
The total stimulating unit of described device is that the number X of display screen is 5-142, and begins each stimulating unit is numbered from the center.Stimulated zone is divided into the concentric circular of 5-6 outside the center, be identified as successively A, B, C, D, E, if concentric circular is arranged again with regard to sequence identification such as E1/E2/.../En, the central stimulation unit is that central display screen is identified as F.Its objective is and distinguish, can form the stimulation of zones of different according to different stimulus modelities and program.Then outwards concentric circular is numbered from inner by clockwise direction, the mode of numbering has a variety of, for example at first with the central stimulation unit be numbered 1, A layer concentric circular be numbered A1, A2 ..., Ax, the like.
Described each independently display screen be that stimulating unit is fixed on the retractor device, if described independent screen adopts film substrate OLED, then take automatically controlled expansion fashion to make it to move forward and backward, described automatically controlled expansion fashion is in the more common (not shown) in ray machine electric control field; As adopt other materials, then behind screen, settle frame for movement that display screen is moved forward and backward along its centre of sphere axis line track.
Because the screen of conventional exercises instrument is the monoblock screen, does not possess fissible characteristic, and the present invention emphasizes provide independently stimulating light source can the local independent stimulus parameter of adjusting, form that local stimulates and the local focus is trained.
The implementation method of regulating and control the visual exercise instrument of stimulating light source provided by the invention be realize controlling respectively each screen by central control system brightness, colourity or/and contrast, it comprises:
1. realize to piece together screen display and show that central control system is divided into a plurality of pictures in a plurality of demonstration screen displays with complete two field picture, carries out Synchronization Control by frame synchronizing signal, make and respectively split screen display and show the synchronization frame content, form at last a frame complete image;
2. realize independent demonstration, central control system provides respectively content signal and the screen control signal of each screen, makes independently content signal of each screen display;
3. realize that grouping shows that centered by the central screen of stimulating light source generator, an adjacent figure display screen is one group, form the group of screens of concentric-ring pattern.Be divided into A group, B group, C group, D group, E group etc. according to identification number.The content of each screen display same brightness, colourity and contrast in the synchronizing signal control group between the group of sending by central control system (can be in group each screen use and piece together screen image or each screen independent image, only need the content of interior each screen display of assurance group to have same brightness, colourity and contrast.), form between each group and from center screen between different image stimulate.
Be the implementation method flow chart of regulating and control the visual exercise instrument of stimulating light source provided by the invention referring to Fig. 2, it may further comprise the steps:
Step S1: select training mode, if preference pattern 1,3 or 4 execution in step S3,2 execution in step S2 of described preference pattern.
Wherein, pattern 1 is that the full visual field stimulates, and pattern 2 is that non-macula lutea stimulates, and mode 3 is that the other central visual field of annular region stimulates, and pattern 4 stimulates for macula lutea.
Step S2: the numbering of selecting display screen.
Step S3: the parameter of selecting type, stimulation time and the stimulating light source of stimulation content.
The type of described stimulation content comprises video, figure and contrast color upset; Described stimulation time is the stimulation time of setting according to zones of different; The parameter of described stimulating light source comprises brightness and contrast etc.
Step S4: select the out of focus scope.Wherein, comprise the out of focus of selecting some display screens apart from the distance that namely moves forward and backward, or the out of focus distance in a certain viewing area (arbitrary zone among the A to F).
S5: carry out stimulating exercise;
S6: the beginning timing, judge whether to reach stimulation time T, be execution in step S7 then, otherwise continue execution in step S5;
Step S7: stimulating exercise finishes, and display screen recovers initial setting up.
The invention provides the regulatable concrete methods of realizing of a kind of stimulating light source:
According to there being the inconsistent inhibition of degree of depth position on the amblyopia eyes retina, the present invention provides regional stimulation by regulating and control corresponding display screen, comes the vision of Effective Raise amblyopia eye.
For example: when needs stimulated macular area, described central stimulation unit got final product so only need adopt a central display screen to stimulate for the macula retinae district, with the long wavelength of 580nm to 780nm, to stimulate human eye cone cell sensitivity; For all side screens (screen except central display screen), then increase the sensitivity in peripheral retinal region (zone except macular area) to the stimulating light source of the short wavelength of 580nm and different brightness with 380nm.
To the amblyopia patient of " paracentral fixation " is arranged, screen at corresponding " paracentral fixation point ", adopt brightness greater than the high-strength light of 100LUX " paracentral fixation point " to be suppressed, at the screen of corresponding macular area, stimulate to the long wavelength of 780nm with 580nm; Final purpose is the different stimulated means that can provide by continuous adjustment zones of different screen, comes balance retina allomeric function level, recovers visual capacity comprehensively.
Common amblyopia patient watches central screen attentively, and the middle section screen sends the long wavelength to stimulate, and all side screens send the stimulation of short wavelength and different brightness; For the amblyopia patient of " paracentral fixation ", with high-strength light " paracentral fixation " point is carried out part (different amblyopia patients' paracentral fixation point position all can be different) and suppress, other regional screens are strengthened stimulating with low-intensity light; The training later stage can constantly be adjusted the different stimulated means that the zones of different screen can provide, balance retina W-response.
The present invention also provides another kind of stimulating light source regulatable concrete methods of realizing:
According to the characteristics of the amphiblestroid zones of different of myopia, the present invention can simulate and adjust the screen of zones of different, and amphiblestroid different parts is produced multi-form defocus signal to stimulate.
For example: 20 degree are moved forward 0 ± 20mm with inner region screen integral body, can form the Myopia focus at human eye retina's central area; Area screen integral body beyond 20 degree is moved 0 ± 20mm backward, can form in the human eye retina surrounding zone hypermetropia focus, can form the Myopia focus at peripheral retinal region otherwise screen is mobile backward.By moving forward and backward the screen position of central area/surrounding zone, can form Myopia/hypermetropia defocus signal stimulation at human eye retina's central area and surrounding zone.In addition also can be by changing the length (for example the long wavelength can form the hypermetropia out of focus, and the short wavelength can form the Myopia out of focus) of central area/wavelength that the surrounding zone screen sends, reach or assisted Extraction for the purpose of bathomorphic vision.
Common myopia is watched central screen attentively, by reach central area screen (the surrounding zone screen is motionless), forms the Myopia defocus signal at human eye retina's central area, keeps 2 minutes; Then the central area screen resets, and reach surrounding zone screen forms the Myopia defocus signal in the human eye retina surrounding zone, keeps 2 minutes; Next central area/surrounding zone screen integral forward lead forms consistent Myopia defocus signal in human eye retina central authorities/surrounding zone, keeps 2 minutes; Then central area/surrounding zone screen is constantly moved in position and between anterior displacement, form the Myopia out of focus stimulation that human eye retina's central authorities/periphery replaces, kept 4 minutes.Myopia degree is deepened faster patient, can in the above-mentioned course for the treatment of, increase the variation that stimulates wavelength of light, to strengthen the Myopia out of focus to the stimulation of retinal centre/periphery, for example when moving forward, screen adds short wavelength light, can strengthen the stimulus intensity of Myopia out of focus.
The present invention compared with prior art, has following advantage: apparatus of the present invention, plan is built the regulatable visual exercise exciting light source device of a cover, utilization is to the control of the factors such as image space, wavelength of light, carry out targetedly human eye zones of different retinal area sexual stimulus, reach auxiliary eyeball development (rectification amblyopia), promote the function of retina neural signal transmission (pre-myopia prevention), reach the assosting effect that promotes that visual performance is grown.
Should be understood that application of the present invention is not limited to above-mentioned giving an example, for those of ordinary skills, can be improved according to the above description or conversion that all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (8)
1. the visual exercise instrument that can regulate and control stimulating light source, it is characterized in that, comprise the stimulating light source generator, display screen mobile device and central control system, described stimulating light source generator comprises a plurality of independent polygon display screens, described display screen mobile device comprises framework and a plurality of retractor device, described retractor device is fixed on the framework, each display screen is fixed on the corresponding retractor device, mutual chimeric splicing forms the display structure of a nearly semi-spherical shape between each display screen, it is independently mobile that described retractor device is used for controlling described display screen, and described central control system connects described stimulating light source generator and display screen mobile device; Described stimulating light source generator is used for providing stimulating light source; Described central control system moves for information and the display screen of the stimulating light source that the regulation and control display screen sends.
2. the visual exercise instrument of regulating and control stimulating light source according to claim 1 is characterized in that the display screen of described stimulating light source generator is equal-sized regular hexagon or tetragon.
3. the visual exercise instrument of regulating and control stimulating light source according to claim 1 is characterized in that the display screen that stimulating light source is provided is organic electroluminescent LED display screen, light emitting diode (LED) display screen or LCDs.
4. the visual exercise instrument of regulating and control stimulating light source according to claim 1 is characterized in that the framework of described display screen mobile device is a half-spherical frame.
5. the visual exercise instrument of regulating and control stimulating light source according to claim 1 is characterized in that, described retractor device by cantilever back and forth or expand and realize displacement.
6. the visual exercise instrument of regulating and control stimulating light source according to claim 1 is characterized in that, the short radius of nearly hemispheric stimulating light source generator is greater than 33cm, and its circular cone top is 40 to 180 degree.
7. the visual exercise instrument of regulating and control stimulating light source according to claim 2 is characterized in that, the number of described display screen is 5-142, and is provided with a central display screen, and other display screen forms a plurality of concentric circulars around described central display screen.
8. the visual exercise instrument of regulating and control stimulating light source according to claim 7 is characterized in that described each display screen is provided with numbering.
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| CN107550452B (en) * | 2016-06-30 | 2022-04-15 | 中国科学院心理研究所 | Personalized self-adaptive visual field defect treatment system |
| WO2018076057A1 (en) | 2016-10-25 | 2018-05-03 | Brien Holden Vision Institute | Devices, systems and/or methods for myopia control |
| WO2018203930A1 (en) * | 2017-05-01 | 2018-11-08 | Ojai Retinal Technology, Llc | System and process for treatment of myopia |
| CN110613590A (en) * | 2018-06-19 | 2019-12-27 | 刘葳 | Eye training device and method |
| CN111870490B (en) * | 2020-07-22 | 2023-04-14 | 河南省儿童医院郑州儿童医院 | System for blurred focus and out-of-macula vision training for myopia prevention and control |
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