CN102692710B - Long-distance reading system for controlling development of juvenile myopia - Google Patents
Long-distance reading system for controlling development of juvenile myopia Download PDFInfo
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- CN102692710B CN102692710B CN201210194161.XA CN201210194161A CN102692710B CN 102692710 B CN102692710 B CN 102692710B CN 201210194161 A CN201210194161 A CN 201210194161A CN 102692710 B CN102692710 B CN 102692710B
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Abstract
The invention provides a long-distance reading system for controlling the development of juvenile myopia. The long-distance reading system comprises a shell, an optical amplifying element, collimation elements, a bracket and a light source, wherein the optical amplifying element and the collimation elements are sequentially placed in the shell; the light source is located beside the bracket; the optical amplifying element comprises a lens and a first plane reflection mirror, a spectroscope and a concave mirror, a second plane reflection mirror and a screen, wherein the lens and the first plane reflection mirror are arranged above the bracket and are arrayed in sequence; the spectroscope and the concave mirror are used for receiving reflection light of the first plane reflection mirror; the second plane reflection mirror is located above the spectroscope and is used for receiving the reflection light of the spectroscope; the screen is used for receiving the reflection light of the second plane reflection mirror; the screen is vertical to the reflection light of the front side of the second plane reflection mirror; the collimation elements comprise the spectroscope and the second plane reflection mirror; and middle lines of the spectroscope and the second plane reflection mirror are respectively provided with a spectroscope knob and a second plane reflection mirror knob, which are used for adjusting the angle of a mirror face. The long-distance reading system disclosed by the invention enables people to feel that words and images are from a place out of five meters in a reading process, so as to relieve asthenopia caused by excessively using eyes in a close distance and relieve the development of the myopia.
Description
Technical field
The present invention relates to a kind of remote reading system, particularly a kind of remote reading system of controlling adolescent myopia development.
Background technology
Ametropia is modal sick kind of ophthalmology, mainly comprises myopia, long sight, astigmatism, and in all ametropic types, myopia is modal type.In China, the morbidity rate of myopia, the incidence of disease are the trend raising year by year with the age.Up-to-date statistics shows, the myopia number of China surpasses 400,000,000, and near-sighted colony occurred frequently---the adolescent myopia incidence of disease reaches 50%-60%.China is the highest country of the near-sighted incidence of disease in the world, myopia number the first in the world.Myopia has become affects one of major issue of China's people ' s health, also becomes the heavy burden that affects growth of the national economic.
In clinical, we find, the high area of schooling, and myopia ratio is higher, and this is excessively relevant with long-term close eye.Long-time excess eye-using can cause the spasm of accommodation, and long-term ciliary muscle can cause visual fatigue in spasticity, causes control lag, causes ocular imaging to drop on amphiblestroid rear, and in order to make imaging clearly, eyeball can constantly increase, and causes axis oculi to elongate, and forms myopia.Teenager's schoolwork burden is heavy, and need to attend class daytime, also needs evening close eye to do the homework until before sleeping.So go round and begin again, form vicious cycle, be unfavorable for loosening of adjusting and set, cannot improve the excessive animation of close eye.
The pathogenesis of myopia is very complicated, generally acknowledges and comprises the large class factor of h and E two in the world at present: change comparatively difficulty of inherent cause; Environmental factor aspect, generally acknowledge in the world at present cause myopia constantly the hazards of progress comprise following some: 1) close eye is excessive; 2) outdoor activities are very few; 3) colour vision factor; 4) ambient light illumination; 5) retinal periphery refractive status etc.Once A nearsighted person's morbidity, its myopia degree tends to constantly increase with the age, and myopia degree is higher, and its probability that detachment of retina, punctum luteum hemorrhage equal altitudes myopia related complication occur is larger.Given this, can effectively control adolescent myopia degree increase and there is important social effect.In the face of so severe form, the means of existing control myopia progression are very limited, research report shows Ortho-K Orthokeratology Lens, it is OK mirror, control mypia progression and have conspicuousness advantage compared with frame eyeglasses, OK mirror has good effect for controlling myopia progression, yet, be not that all patients can wear OK mirror, OK mirror has its strict indication of wearing, Tear function is required very high, and need relevant nursing every day, if worn, improperly even can cause the complication such as corneal infection, ulcer of the cornea.Given this, find new near-sighted control method and there is very important clinical meaning.
Summary of the invention
The object of this invention is to provide a kind of remote reading system developing for controlling adolescent myopia, solve the asthenopic technical matters that close eye excessively causes; And how to solve the problem of retarding myopia progression.
For achieving the above object, the present invention adopts following technical scheme:
For controlling a remote reading system for adolescent myopia development, comprise that shell and order are placed in optical amplifier element and collimating element, support in shell, are positioned at the light source of support side.
Described optical amplifier element comprises and is positioned at lens and the first plane mirror that support top is arranged in order, receive spectroscope and the concave mirror of the reflection ray of described the first plane mirror, and being positioned at the second plane mirror and the screen that receives the reflected ray of the second plane mirror that spectroscope top receives the reflected ray of spectroscope, described screen is perpendicular to the reflection ray in the second plane mirror front.
Described collimating element is spectroscope and the second plane mirror, and the center line of spectroscope and the second plane mirror is respectively equipped with for regulating spectroscope knob and the second plane mirror knob of mirror angle.
The enlargement factor of described lens and concave mirror is all between 2-6 times.
Described lens are convex-concave balsaming lens, convex lens or Fresnel Lenses, and described screen is glass light-passing board, organic glass light-passing board or resin light-passing board.
Described shell adopts metal, plastics or timber to make, comprise three layers, be respectively the ground floor of containment bracket, light source, power supply and lamp socket, hold the second layer of the first plane mirror, spectroscope and concave mirror, hold screen and the second plane mirror the 3rd layer.
The ground floor of described shell and the second layer take part reveal empty shadow shield as boundary, the empty part of described shadow shield divides for inlaying lens.
Described light source is fixed by lamp socket and shell, and by power control switch, the first plane mirror is fixed by draw-in groove and shell.
Described spectroscope is connected with shell by the spectroscope knob of its left and right sides, and described spectroscope knob is exposed at the outside of the sidewall of shell; Described the second plane mirror is connected with shell by the second plane mirror knob of its left and right sides, and described the second plane mirror knob is exposed at the outside of the sidewall of shell.
Described concave mirror is fixed on the inner side of the rear wall of shell.
The angle of described the first plane mirror and incident ray is 45 ± 10 degree.
A kind of apply described system for controlling the method for the remote reading of adolescent myopia development, at shell one side, there are support, the support side of placing media to be equipped with light source, shell opposite side is equipped with the screen of watching for human eye, from support to screen order, assemble in the enclosure optical amplifier element, even number time reflective mirror and collimating element, paper media or electronic medium are placed on support, open light source; This system is amplified word or image through optical amplifier element, mirror-reflection through even number time reflective mirror, through collimating element, manually adjust again the image of skew, the imaging after amplifying is positioned on the screen of shell opposite side, human eye perceives word or image are come from a distance.
Compared with prior art the present invention has following characteristics and beneficial effect:
The method that the present invention has overcome traditional control myopia progression requires strict shortcoming, has solved the time of teenager's close eye that reduced, the asthenopic technical matters that alleviation teenager near-distance reading produces.
The present invention is by the optical design of system, within closely, realize the remote reading effect of simulation, after the character and graphic of books can being amplified, form " as " positions beyond being placed on 5 meters, thereby make teenager when reading, sensation word and figure are to come from beyond 5 meters, make eyes can naturally loosen adjusting, reduce the time of near work, alleviate the visual fatigue that close eye excessively causes, thereby slow down near-sighted development.
The present invention can be widely used in alleviating the visual fatigue that teenager's near-distance reading produces.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention will be further described in detail.
Fig. 1 is light channel structure schematic diagram of the present invention.
Fig. 2 is outer casing stand schematic diagram of the present invention.
Reference numeral: 1-support, 2-lens, 3-light source, 4-the first plane mirror, 5-spectroscope, 6-concave mirror, 7-the second plane mirror, 8-screen, 9-spectroscope knob, 10-the second plane mirror knob, 11-shell, 12-lamp socket, 13-power supply, 14-draw-in groove, 15-shadow shield.
Embodiment
Embodiment is referring to shown in Fig. 1, Fig. 2, for controlling a remote reading system for adolescent myopia development, it is characterized in that: comprise that shell 11 and order are placed in optical amplifier element and collimating element, support 1 in shell 11, are positioned at the light source 3 of support 1 side; Described optical amplifier element comprises and is positioned at convex-concave balsaming lens and the first plane mirror 4 that support 1 top is arranged in order, receive spectroscope 5 and the concave mirror 6 of the reflection ray of described the first plane mirror 4, and being positioned at the second plane mirror 7 and the screen 8 that receives the reflected ray of the second plane mirror 7 that spectroscope 5 tops receive the reflected ray of spectroscope 5, described screen 8 is perpendicular to the reflection ray in the second plane mirror 7 fronts.
Described collimating element is spectroscope 5 and the second plane mirror 7, the center line of spectroscope 5 and the second plane mirror 7 is respectively equipped with for regulating spectroscope knob 9 and the second plane mirror knob 10 of mirror angle, when skew occurs image, observer can be adjusted by spectroscope knob 9 and the second plane mirror knob 10.
Light channel structure is shown in Figure 1, books are positioned on support 1, after opening power 13, because the amplification of concavo-convex balsaming lens amplifies bookish word, form the upright virtual image, this virtual image is after the first plane mirror 4 reflections, through spectroscope 5, penetrate on concave mirror 6 the focal length long enough of concave mirror 6, the picture forming after the first plane mirror reflection further can be amplified, form the upright virtual image, this virtual image is again through spectroscope 5 reflections, afterwards again through the second plane mirror 7 reflections, penetrate screen 8, enter human eye; Described convex-concave balsaming lens can effectively reduce spherical aberration, this part also can adopt the convex lens of aspheric surface design to realize, or adopt Fresnel Lenses to realize, the enlargement factor M2 of the enlargement factor M1 of convex-concave balsaming lens and concave mirror 6 is all between 2-6 times; Described screen 8 is printing opacities, light-passing boards such as glass, organic glass or resins, consists of.
Shown in Figure 2, described shell 11 adopts metal, plastics or timber are made, comprise three layers, be respectively containment bracket 1, light source 3, the ground floor of power supply 13 and lamp socket 12, hold the first plane mirror 4, the second layer of spectroscope 5 and concave mirror 6, hold screen 8 and the second plane mirror 7 the 3rd layer, the ground floor of described shell 11 and the second layer be take part and are revealed empty shadow shield 15 for demarcating, the empty part of described shadow shield 15 divides for inlaying convex-concave balsaming lens, described light source 3 can be any bulb on the market, number is not limit, fixing with shell 11 by lamp socket 12, described lamp socket 12 is distributed in the bottom, power supply 13 is given bulb powered by lamp socket 12, control the switch of power supply 3, input voltage can be 220V, the plurality of specifications such as 110V, but voltage need to adapt to bulb specification, the first plane mirror 4 is fixing with shell 11 by draw-in groove 14, described spectroscope 5 is connected with shell 11 by the spectroscope knob 9 of its left and right sides, described spectroscope knob 9 is exposed at the outside of the sidewall of shell 11, described concave mirror 6 is fixed on the inner side of the rear wall of shell 11, described the second plane mirror 7 is connected with shell 11 by the second plane mirror knob 10 of its left and right sides, described the second plane mirror knob 10 is exposed at the outside of the sidewall of shell 11.
A kind of apply described for controlling the using method of the remote reading system of adolescent myopia development: at shell one side, have support 1, support 1 side of placing media to be equipped with light source 3, shell opposite side is equipped with the screen of watching for human eye, from support to screen order, assemble in the enclosure optical amplifier element, even number time reflective mirror and collimating element, paper media or electronic medium are placed on support, open light source; This system is amplified word or image through optical amplifier element, mirror-reflection through even number time reflective mirror, through collimating element, manually adjust again the image of skew, the imaging after amplifying is positioned on the screen of shell opposite side, human eye perceives word or image are come from a distance.
The size aspect of shell, needs to wrap up above-mentioned optical amplifier element, and concrete size need to determine according to the distance between optical amplifier element.
U in Fig. 1 represents that books, to the distance of convex-concave balsaming lens 2, can think the object distance of convex-concave balsaming lens 2; D1 represents the distance of convex-concave balsaming lens 2 to first plane mirrors 4; D2 represents the distance at the center of the first plane mirror 4 to the center of spectroscope 5; D3 represents that the center of spectroscope 5 is to the distance of concave mirror 6; D4 represents the distance at center of center to the second plane mirror 7 of spectroscope 5; D5 represents that the center of the second plane mirror 7 is to the distance of screen 8; Screen to the distance of human eye is calculated according to 0.4m.
In order to realize, allow bookish word look like the effect of sending from being more than or equal to 5 meters of distances, need to meet formula 1:M2 * (M1 * u+d1+d2+d3)-2 * F2+d3+d4+d5+0.4 >=5.0 meter, wherein M1 represents the enlargement factor of convex-concave balsaming lens, M2 represents the enlargement factor of concave mirror 6, F2 represents the focal length of concave mirror 6, F2 needs enough large, meet formula 2:M1 * u+d1+d2+d3<F2, makes it can be the upright virtual image; For word is amplified to, can be recognized in more than 5 meters distances, M1 * M2 at least should be 4-36 scope doubly.
The dimensional parameters of shell comprises a shown in Fig. 2, b, c, d, five parameters of e, and size is calculated and need to be determined according to the parameter of light path, and wherein a, between 20-50 centimetre, is not less than general books width; B is greater than the distance of d2+d3; C is greater than the distance of u+d1+d4; D is screen height, between 20-60 centimetre; E is greater than the distance of d5.
Lower mask body is enumerated one group of real data and is illustrated how this device works:
The word size of books is 4 millimeters, if place it in the distance of 5 meters, obvious 4 millimeters cannot be identified by the human eye outward at 5 meters, and the distance of conventionally reading is 40 centimetres, if be converted into the distance of 5 meters, word need to be amplified to 12.5 times, making font become 5 centimetres of sizes could be seen clearly by human eye, thus work as M1=3.5, during M2=3.5, M1 * M2 can amplify font 12.25 times, approaches 12.5 times.
In order to realize this effect, the focal length F1=0.22m of described convex-concave balsaming lens 2, for meeting M1=3.5, through calculating u=0.16m, in order to realize the effect of M2=3.5, need to meet 3.5 * 0.16+d1+d2+d3=0.72 * F2, appoint and get d1=0.2m, d2=0.5m, d3=1.3m, F2=3.56m, according to formula 1, can calculate and need d4+d5 >=1.45m, if d4=0.4m, d5=1.05m, if reading system is according to above parameter setting, can meet and make the font of 4mm amplify 12.25 times, seem to come from 5m at a distance, now, u+d1+d4=0.76m, just can meet the position that both hands lie against support 1, while eyes look straight ahead screen, shell 11 is in order to wrap up above-mentioned optical amplifier element, according to a=0.4m, b=2m, c=1m, d=0.5m, e=1.5m design, can meet the demands.
Claims (9)
1. for controlling a remote reading system for adolescent myopia development, it is characterized in that: comprise that shell (11) and order are placed in shell (11) interior optical amplifier element, support (1), are positioned at the light source (3) of support (1) side;
Described optical amplifier element comprises and is positioned at lens (2) and the first plane mirror (4) that support (1) top is arranged in order, receive spectroscope (5) and the concave mirror (6) of the reflection ray of described the first plane mirror (4), and being positioned at second plane mirror (7) of reflected ray of spectroscope (5) top reception spectroscope (5) and the screen (8) of the reflected ray of reception the second plane mirror (7), described screen (8) is perpendicular to the positive reflection ray of the second plane mirror (7);
Spectroscope (5) and the second plane mirror (7) in described optical amplifier element have formed collimating element in addition, and the center line of described spectroscope (5) and described the second plane mirror (7) is respectively equipped with for regulating spectroscope knob (9) and the second plane mirror knob (10) of mirror angle;
Described shell (11) adopts metal, plastics or timber to make, comprise three layers, be respectively the ground floor of containment bracket (1), light source (3), power supply (13) and lamp socket (12), the second layer that holds the first plane mirror (4), spectroscope (5) and concave mirror (6), the 3rd layer of holding screen (8) and the second plane mirror (7).
2. according to claim 1 for controlling the remote reading system of adolescent myopia development, it is characterized in that: the enlargement factor of described lens (2) and concave mirror (6) is all between 2-6 times.
3. according to claim 2 for controlling the remote reading system of adolescent myopia development, it is characterized in that: described lens (2) are convex-concave balsaming lens, convex lens or Fresnel Lenses, described screen (8) is glass light-passing board, organic glass light-passing board or resin light-passing board.
4. according to claim 1 for controlling the remote reading system of adolescent myopia development, it is characterized in that: the ground floor of described shell (11) and the second layer be take part and revealed empty shadow shield (15) for demarcating, and the empty part of described shadow shield (15) divides for inlaying lens (2).
5. according to claim 1 for controlling the remote reading system of adolescent myopia development, it is characterized in that: described light source (3) is fixing by lamp socket (12) and shell (11), and by power supply (13) gauge tap, the first plane mirror (4) is fixing by draw-in groove (14) and shell (11).
6. according to claim 1 for controlling the remote reading system of adolescent myopia development, it is characterized in that: described spectroscope 5 is connected with shell (11) by the spectroscope knob (9) of its left and right sides, and described spectroscope knob (9) is exposed at the outside of the sidewall of shell (11); Described the second plane mirror (7) is connected with shell (11) by the second plane mirror knob (10) of its left and right sides, and described the second plane mirror knob (10) is exposed at the outside of the sidewall of shell (11).
7. according to claim 1 for controlling the remote reading system of adolescent myopia development, it is characterized in that: described concave mirror (6) is fixed on the inner side of the rear wall of shell (11).
8. according to claim 1 for controlling the remote reading system of adolescent myopia development, it is characterized in that: described the first plane mirror (4) is 45 ± 10 degree with the angle of incident ray.
An application rights require one of 1-8 described system for controlling the method for the remote reading of adolescent myopia development, it is characterized in that: at shell one side, have support (1), support (1) side of placing media to be equipped with light source (3), shell opposite side is equipped with the screen of watching for human eye, from support to screen order, assemble in the enclosure optical amplifier element, spectroscope wherein (5) and the second plane mirror (7) have formed collimating element in addition, paper media or electronic medium are placed on support, open light source; This system is amplified word or image through optical amplifier element, then through collimating element, manually adjusts the image of skew, and the imaging after amplifying is positioned on the screen of shell opposite side, and human eye perceives word or image are come from a distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210194161.XA CN102692710B (en) | 2012-06-13 | 2012-06-13 | Long-distance reading system for controlling development of juvenile myopia |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210194161.XA CN102692710B (en) | 2012-06-13 | 2012-06-13 | Long-distance reading system for controlling development of juvenile myopia |
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| Publication Number | Publication Date |
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| CN102692710A CN102692710A (en) | 2012-09-26 |
| CN102692710B true CN102692710B (en) | 2014-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210194161.XA Expired - Fee Related CN102692710B (en) | 2012-06-13 | 2012-06-13 | Long-distance reading system for controlling development of juvenile myopia |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11747631B2 (en) | 2021-09-08 | 2023-09-05 | E-Lead Electronic Co., Ltd. | Head-mounted fixing device |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105640750A (en) * | 2016-03-11 | 2016-06-08 | 戴明华 | Myopia prevention and treatment system |
| CN106367925A (en) * | 2016-09-30 | 2017-02-01 | 无锡小天鹅股份有限公司 | Clothes processing device |
| CN109270679A (en) * | 2018-11-06 | 2019-01-25 | 西安深睐信息科技有限公司 | A kind of head-up is far burnt to show myopia-prevention reading device and its reading method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1432841A (en) * | 2002-01-16 | 2003-07-30 | 深圳市东方景电子有限公司 | Optical system with high image quality for head display |
| CN2885189Y (en) * | 2005-12-31 | 2007-04-04 | 戴明华 | A myopia preventive and treatment device for reading and writing |
-
2012
- 2012-06-13 CN CN201210194161.XA patent/CN102692710B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11747631B2 (en) | 2021-09-08 | 2023-09-05 | E-Lead Electronic Co., Ltd. | Head-mounted fixing device |
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| CN102692710A (en) | 2012-09-26 |
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