CN103784299B - Myopia rehabilitation machines - Google Patents
Myopia rehabilitation machines Download PDFInfo
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- CN103784299B CN103784299B CN201410060316.XA CN201410060316A CN103784299B CN 103784299 B CN103784299 B CN 103784299B CN 201410060316 A CN201410060316 A CN 201410060316A CN 103784299 B CN103784299 B CN 103784299B
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Abstract
The invention discloses a kind of myopia rehabilitation machines, comprise carriage, driving device, support, be arranged at the display screen on support, voice device, remote controller and control circuit, described driving device comprises track, collect the screw rod being loaded on track interior and the motor be connected with screw rod, described Bracket setting is in one end of track, described carriage is placed on screw rod and described carriage is also placed on track, described control circuit comprises the motor-drive circuit be connected with electric electromechanics and the controller be connected with motor-drive circuit, first outfan of described controller is electrically connected with display screen, second outfan of described controller is electrically connected with voice device, described remote controller is connected with controller signals.Beneficial effect of the present invention is: reach the object not recovered vision by operation and medicine.<pb pnum="1" />
Description
Technical field
The present invention relates to medical instruments field, particularly relates to a kind of myopia rehabilitation machines.
Background technology
Along with the development of science and technology, society has increasing myope, myopia brings very large inconvenience to the life of people, study and work.At present, conveniently, most of myope, usually after have detected myopic degree, is equipped with the glasses being applicable to oneself, to facilitate study, live and work.But, long-term use glasses, the dependency of myope to glasses can be made increasing, glasses are looked for be ordinary affair for the myope worn glasses everywhere at WA, very large inconvenience is brought to life, and myope completely can not live normally or work when occurring that glasses are lost suddenly or damage, there is the situation of can't take care of oneself in severe patient.Also there is myopia laser surgery at present, main excimer laser carries out refrangibility cutting by hypothallus under corneal lobe, thus reduce the corneal curvature of lesser ring of Merkel, reach the object of myopia correction, but operation or dangerous property, the sequela after old for the patient carrying out myopia laser surgery is also unable to estimate.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of myopia rehabilitation machines, reaches the object not recovered vision by operation and medicine, and the manual operation of convenient nursing personnel.
For solving the problems of the technologies described above, technical scheme of the present invention is: provide a kind of myopia rehabilitation machines, comprise carriage, driving device, support, be arranged at the display screen on support, voice device, remote controller and control circuit, described driving device comprises track, collect the screw rod being loaded on track interior and the motor be connected with screw rod, described Bracket setting is in one end of track, described carriage is placed on screw rod and described carriage is also placed on track, described control circuit comprises the motor-drive circuit be connected with electric electromechanics and the controller be connected with motor-drive circuit, first outfan of described controller is electrically connected with display screen, second outfan of described controller is electrically connected with voice device, described remote controller is connected with controller signals.Adopt the running of control circuit accessory drive, display screen, voice device and control circuit, input myopia degree by remote controller, controller receives myopia degree signal, thus controller is according to the running of myopia degree Modulation recognition accessory drive.First, controller is according to the running of the myopia degree signal accessory drive of input, controller controls the rotational angle of motor by motor-drive circuit, and bolt rotary under the drive of motor, carriage slides into the highest distance position that can see on screw rod.Subsequently, controller accessory drive, carriage is made to want to move a certain distance away from the direction to display screen, then the content of display screen display is switched, the content that user oneself is seen by remote controller input and definition, controller receives the content of remote controller input, the content of controller identification input and definition, when the content that content and display screen show matches, when definition is clear simultaneously, controller controls public address system and sends voice prompt, prompting user keeps a close watch on the several sections of bat of display screen, thus temper the muscle cell of eyes, rebuild vision systems.
Further, described driving device also comprises gear train, and described gear train is connected with the turning cylinder of motor, and described gear train is connected with screw rod.This gear train mainly plays the effect of deceleration.
Further, described motor is servomotor, described motor-drive circuit comprises the first resistance, photo-coupler, second resistance, 3rd resistance, audion and the 4th resistance, the first input end of described photo-coupler is connected with the outfan of controller by the first resistance, second input of described photo-coupler is connected with+5V power supply, first outfan of described photo-coupler is connected with the base stage of audion by the second resistance, Nodes between described second resistance and the base stage of audion is by the 3rd resistance eutral grounding, the grounded emitter of described audion, the colelctor electrode of described audion is connected with the second outfan of described photo-coupler by the 4th resistance, second outfan of described photo-coupler is also direct to be connected with+5V power supply, described motor is connected to the colelctor electrode of audion and the Nodes of the 4th resistance.Adopt share of photo-coupler and audion, servomotor is driven.When controller is to the first resistance input high level, photo-coupler thinks that the second resistance exports high level signal, triode ON, and servomotor starts.
Further, described control circuit also comprises the first radio communication device be connected with controller, described remote controller comprises housing, collects the second radio communication device being loaded on the touch screen on housing, the single-chip microcomputer be connected with touch screen and being connected with the outfan of single-chip microcomputer, and described first radio communication device is connected with the second radio communication device signal.The arranging of the touch screen of remote controller facilitates user to input information (myopia degree, see thing, the definition of display screen display), single-chip microcomputer is encoded to the information that touch screen inputs, encoding information is passed to the second radio communication device and sends transferring command by single-chip microcomputer afterwards, first radio communication device receives information and passes to controller, and controller controls miscellaneous part running according to the information received.
Further, described myopia rehabilitation machines also comprises cylinder and cylinder controller, the Moment Motor Controller that described cylinder controller comprises air servo valve and is electrically connected with the torque-motor of air servo valve, described cylinder comprises the cylinder barrel be installed on support, slide the piston be arranged in cylinder barrel and the piston rod be connected with piston, described air servo valve is used for carrying out air feed and aerofluxus to cylinder barrel, one end of described piston rod is arranged in cylinder barrel, the other end of described piston rod passes cylinder barrel and is fixedly connected with display screen, described display screen is electrically connected with Moment Motor Controller.Although, carriage can regulate the distance between carriage and driving device under the driving of driving device, the adjustment of driving device to carriage is large scale, small scale adjustment can be carried out to the distance between carriage and display screen by arranging of cylinder, thus be convenient to the distance that increases step by step between carriage and display screen, at leisure the muscle cell of eyes is performed physical exercise, to increase the confidence of user.During use, nursing staff is by the outreach of display screen input panel, the controller of Moment Motor Controller accepts the input signal of display screen, Moment Motor Controller regulates the aperture of air servo valve, thus the air pressure in control cylinder barrel, piston driving piston rod moves under the influence of air pressure, and display screen stretches out the distance of needs.
Further, described cylinder also comprises positioning tube, described piston is connected with the bottom of cylinder barrel by spring, described positioning tube is placed on piston rod and positioning tube is fixedly connected with cylinder barrel, described positioning tube is provided with some locating holes, described piston rod is provided with a locating hole, described positioning tube is connected by alignment pin with piston rod, and on described positioning tube outer surface, the position corresponding with locating hole is provided with scale.By arranging positioning tube and spring, achieve the manual telescopic display screen when cylinder is not ventilated, convenient in the guidance of nursing staff to user procedure of eyesight rehabilitation, also achieve without stretching to display screen during air pressure simultaneously.Display screen dorsad cylinder barrel bottom stretch, the scale determination distance of stretch out and draw back corresponding according to the locating hole on piston rod, while stretching display screen, spring is stretched, and alignment pin is inserted in locating hole the length being just adjusted to display screen and stretching out.When not needing the extension elongation of manual adjustments display screen, take out alignment pin, piston rod gets back to original position under the restoring force effect of spring, facilitates the extension elongation of cylinder controller regulating piston bar.
Further, described myopia rehabilitation machines also comprises the helmet, and the described helmet comprises body, left eye cover and right eye cover, and described left eye cover and right eye cover are all hinged with body.Person easy to use covers right eye or left eye under the prompting of voice device.
Further, the number of described carriage, driving device, voice device, remote controller and control circuit is two.Two carriage convenient-loadings, two user, the user that two number of degrees are more or less the same can use this myopia rehabilitation machines simultaneously, saves the energy using display screen, also reduces taking up room of myopia rehabilitation machines when two user use simultaneously.
Further, described track length is 13 ~ 17 meters.When the distance that carriage moves away from display screen is 13 ~ 17 meters, be namely one end that carriage moves to away from display screen on track, when now user still can see the displaying contents on display screen clearly, user recovers the vision of 5.3.
Further, described track length is 15 meters.
Beneficial effect of the present invention: the carriage of employing moves under the effect of driving device, by regulating the distance between display screen and carriage and switching the displaying contents of display screen, make the muscle cell of the eyes of user, slowly trained, rebuild vision systems.Thus reach the object not recovered vision by operation and medicine.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
Fig. 1 is the front view of the present invention first better embodiment.
Fig. 2 is the top view of the present invention first better embodiment.
Fig. 3 is the structural representation of remote controller in the present invention.
Fig. 4 is the structured flowchart of control circuit in the present invention.
Fig. 5 is the circuit diagram of motor-drive circuit in Fig. 4.
Fig. 6 is the structured flowchart of the helmet in the present invention.
Fig. 7 is the front view of the present invention second better embodiment.
Fig. 8 is the top view of the present invention second better embodiment.
Fig. 9 is the cut-away view of cylinder of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
Embodiment 1
Please refer to shown in Fig. 1, Fig. 2 and Fig. 3, is the first better embodiment of the present invention.A kind of myopia rehabilitation machines, comprises carriage 1, driving device 2, support 3, the display screen 4 be arranged on support 3, voice device 5, remote controller 6 and control circuit 7.In the present embodiment, described carriage 1 is in seat shape, and for carrying user, described voice device 5 collection is loaded on carriage 1, is convenient to user and can knows the prompting listening auto levelizer.
Please refer to shown in Fig. 2, driving device 2 comprises two tracks 20, collection is loaded on the screw rod 21 between two tracks 20, the motor 22 be connected with screw rod 21 and gear train 23, described support 3 is arranged at same one end of two tracks 20, described carriage 1 is placed on screw rod 21 and described carriage 1 is also placed on track 20, can move back and forth to make carriage 1 along track 20.Described gear train 23 is connected with the turning cylinder of motor 22, and described gear train 23 is connected with screw rod 21.Control circuit 7 collection is loaded in track 20.
Please refer to shown in Fig. 4, described control circuit 7 comprises the motor-drive circuit 70 be electrically connected with motor 22 and the controller 71 be connected with motor-drive circuit 70, first outfan of described controller 71 is electrically connected with display screen 4, second outfan of described controller 71 is electrically connected with voice device 5, and described remote controller 6 and controller 71 are connected by wireless signal modes such as () such as infrared ray.
Please refer to shown in Fig. 5, described controller 71 adopts AT89S52 model chip.Described motor 22 is servomotor, described motor-drive circuit 70 comprises the first resistance R1, photo-coupler 4N28, second resistance R2, 3rd resistance R3, audion S8050 and the 4th resistance R4, the first input end of described photo-coupler 4N28 is connected with the outfan P3.1 of controller 71 by the first resistance R1, second input of described photo-coupler 4N28 is connected with+5V power supply, first outfan of described photo-coupler 4N28 is connected with the base stage of audion S8050 by the second resistance R2, node between described second resistance R2 and the base stage of audion S8050 is by the 3rd resistance R3 ground connection, the grounded emitter of described audion S8050, the colelctor electrode of described audion S8050 is connected with second outfan of described photo-coupler 4N28 by the 4th resistance R4, second outfan of described photo-coupler 4N28 is also direct to be connected with+5V power supply, described motor 22 is connected to the Nodes between the colelctor electrode of audion S8050 and the 4th resistance R4.
Please refer to Fig. 4 and Fig. 3, described control circuit 7 also comprises the first radio communication device 72 be connected with controller 71, described remote controller 6 comprises housing 60, collects the second radio communication device (not shown) being loaded on the touch screen 61 on housing 60, the single-chip microcomputer (not shown) be connected with touch screen 61 and being connected with the outfan of single-chip microcomputer, and described first radio communication device 72 intercoms by wireless signal mutually with the second radio communication device.Single-chip microcomputer and the second radio communication device all collect and are loaded in housing 60.
Please refer to shown in Fig. 6, described myopia rehabilitation machines also comprises the helmet 8, and the described helmet comprises body 80, left eye cover 81 and right eye cover, and described left eye cover 81 and right eye cover are all hinged with body 80.
Described every root track 20 is long is 13 ~ 17 meters.As preferably, described track 20 length is 15 meters.
Operation principle of the present invention: before use, the myopia degree of two eyes of user is inputted by the touch screen 61 of remote controller 6, single-chip microcomputer receives the input signal of touch screen 61, single-chip microcomputer sends transmission signal command to the second radio communication device, first radio communication device 72 receives the signal from the second radio communication device and myopia degree signal is sent to controller 71, controller 71 is also classified according to the myopia degree of classification in advance to input according to the myopia degree signal of input, be divided into laser high myopia and the large class of low myopia two, controller 71 pairs of laser high myopias and low myopia control the running of carriage 1 respectively, namely control the working time of motor 22 or rotate the number of turns.In use procedure, first, under the control of controller 71, motor-drive circuit 70 drive motor 22 works, motor 22 drives screw rod 21 to rotate by gear train 23, carriage 1 the effect of screw rod 21 be moved to primary importance (according to myopia degree obtain can see display screen 4 clearly time carriage 1 to the maximum distance of display screen 4).Subsequently, described driving device 2 first drives carriage 1 to move 10cm to the direction away from display screen 4, afterwards, carriage 1 enters slow advanced section, driving device 2 drives carriage 1 to continue mobile preset distance to the direction away from display screen 4, after carriage 1 moves to precalculated position, interval Preset Time moves preset distance to the direction away from display screen 4 again, circulate with this, carriage 1 moves the preset distance of twice altogether at slow advanced section to the direction away from display screen 4, when carriage 1 delay advanced section complete after, carriage 1 also completes a period of motion.
Initially, after carriage 1 moves to primary importance, namely the right eye of user is covered with the right eye cover of the helmet 8, display screen 4 is seen with left eye, move within the scope of vision progress (namely the aforesaid carriage 1 that makes moves preset distance to the direction away from display screen 4) at the combined effect lower slider device 1 of driving device 2 and control circuit 7, switch the content of display on display screen 4 simultaneously, the thing seen is inputted the information and definition seen by user on the touch screen 61 of remote controller 6, single-chip microcomputer receives the information and definition seen and sends to controller 71 by the second radio communication device and the first radio communication device 72, the information that the information seen and display screen 4 export carries out mating and differentiate that whether clear definition is by controller 71, when the information matches that the information seen and display screen 4 export and definition is clear time, controller 71 controls voice device 5 and points out user to adhere to look at display screen several sections of bat simultaneously, perform physical exercise with this muscle cell to eyes, rebuild vision systems, after beat counts up to, continue to move predeterminable range to the direction away from display screen 4 at the combined effect lower slider device 1 of driving device 2 and control circuit 7.Left eye then changes right eye after taking exercise and being over, and latter two eyes are seen together.User uses the vision phase of returning to one's perfect health of this vision therapy rehabilitation machine to be 30 days, and first week for removing wrong vision systems week, mainly restorative treatment; Second week rebuilds correct vision systems week, mainly reconstruction capability treatment; 3rd week is rehabilitation week, and vision at this moment returns to normal level, but also unstable; 4th week is sizing week, and also cry recovery from illness week, mainly after treatment achievement allows him shape.This is ordinary circumstance, except special circumstances.Temper the muscle cell four hours of eyes every day, experimental result shows, the distance that first day can be seen can increase by 1.5 ~ 2 meters, the distance can seen for laser high myopia person for second day can increase by 0.6 meter, the distance can seen for low myopia person for second day can increase by 1.2 meters, and the 3rd day and the distance that later can see every day can increase by 1.2 meters.After one month, for the user before 18 years old, the eyes number of degrees can rise to 5.3 from 4.0.Embodiment 2
The present embodiment is the second better embodiment of the present invention, be that the number of described carriage, driving device, voice device, remote controller and control circuit is two with the difference of embodiment 1, and in the present embodiment between display screen with support by can automatically and the cylinder of manual telescopic be connected.
Please refer to shown in Fig. 7, Fig. 8, a kind of myopia rehabilitation machines, comprise carriage 01, driving device 02, support 03, the display screen 04 be arranged on support 03, voice device 05, remote controller and control circuit.In the present embodiment, voice device 05 collection is loaded on carriage 01, is convenient to user and can knows the prompting listening auto levelizer.The number of described carriage 01, driving device 02, voice device 05, remote controller and control circuit is two.
Please refer to shown in Fig. 8, each driving device 02 includes track 020, collection is loaded on the screw rod 021 of track 020 inside, the motor 022 be connected with screw rod 021 and gear train 023, described support 03 is arranged at one end of track 020, and described carriage 01 is placed on screw rod 021.Described gear train 023 is connected with the turning cylinder of motor 022, and described gear train 023 is connected with screw rod 021.Control circuit collection is loaded in track 020.
Described control circuit comprises the motor-drive circuit be electrically connected with motor 022 and the controller be connected with motor-drive circuit, first outfan of described controller is electrically connected with display screen 04, second outfan of described controller is electrically connected with voice device 05, and described remote controller is connected by wireless signal with controller.The concrete structure of described control circuit is identical with the first embodiment, does not repeat them here.
Please refer to shown in Fig. 7 and Fig. 9, described myopia rehabilitation machines also comprises cylinder 9 and cylinder controller, the Moment Motor Controller that described cylinder controller comprises air servo valve and is electrically connected with the torque-motor of air servo valve, described cylinder 9 comprises the cylinder barrel 90 be installed on support 3, slide the piston 91 be arranged in cylinder barrel 90 and the piston rod 92 be connected with piston 91, described air servo valve is used for carrying out air feed and aerofluxus to cylinder barrel 90, one end of described piston rod 92 is arranged in cylinder barrel 90, the other end of described piston rod 92 passes cylinder barrel 90 and is fixedly connected with display screen 4, described display screen 4 is electrically connected with Moment Motor Controller.
Shown in Fig. 9, described cylinder 9 also comprises positioning tube 93, described piston 91 is connected with the bottom of cylinder barrel 90 by spring 94, described positioning tube 93 is placed on piston rod 92 and positioning tube 93 is fixedly connected with cylinder barrel 90, described positioning tube 93 is provided with some locating holes, described piston rod 92 is provided with a locating hole, described positioning tube 93 is connected by alignment pin with piston rod 92, and on described positioning tube 93 outer surface, the position corresponding with locating hole is provided with scale.Carry out being connected the manual telescopic that can realize display screen 4 with the locating hole of diverse location on positioning tube 93 by the locating hole on regulating piston bar 92.Piston rod 92 also can shrink automatically, this principle of automatically shrinking is as follows: the running driving the motor of air servo valve in Moment Motor Controller, and air servo valve is opened, and gas enters in cylinder barrel 90, the both sides of piston 91 form draught head, and piston 91 drives piston rod 92 to operate.Simultaneously, Moment Motor Controller comprises the displacement transducer be installed on piston rod 92 and the pressure transducer be installed in cylinder barrel 90, the displacement of displacement transducer Real-Time Monitoring piston rod 92, air pressure in pressure transducer Real-Time Monitoring cylinder barrel 90, then Moment Motor Controller is according to the air pressure monitored and displacement, control the running time of the motor of air servo valve and rotate the number of turns, thus regulate the air pressure in the aperture of air servo valve and cylinder barrel 90, achieve the accurate control of yardstick that piston rod 92 stretched, as long as the PID actuator of Torque-adjusting electric machine controller just can the flexible yardstick of regulating piston bar 92.
Described myopia rehabilitation machines also comprises the helmet, and the described helmet comprises body, left eye cover and right eye cover, and described left eye cover and right eye cover are all hinged with body.
Described each track 020 length is 13 ~ 17 meters.As preferably, described track 020 length is 15 meters.
Operation principle of the present invention: the difference of the present embodiment and embodiment 1 is, can use for the people that two myopic degrees are close in present embodiment together, and in the present embodiment, display screen 4 can automatically and manual telescopic, easy to use.The principle of the present embodiment is identical with the ultimate principle of embodiment 1, and just the move mode of the periodic movement of carriage 1 is different.Within each cycle, first 30cm is moved at the effect lower slider device 1 of driving device 2 to the direction away from display screen 4, cover right eye with the right eye cover of the helmet 8, see display screen 4 with left eye, under the combined effect of cylinder 9 and cylinder controller, display screen 4 moves within the scope of 20cm.
These are only embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the present invention and accompanying drawing content to do, is directly or indirectly used in the technical field that other are relevant, all in like manner within scope of patent protection of the present invention.
Claims (7)
1. a myopia rehabilitation machines, it is characterized in that, comprise carriage, driving device, support, be arranged at the display screen on support, voice device, remote controller and control circuit, described driving device comprises two tracks, collect the screw rod be loaded between two tracks and the motor be connected with screw rod, described Bracket setting is in same one end of two tracks, described carriage is placed on screw rod and described carriage is also placed on track, described control circuit comprises the motor-drive circuit be connected with electric electromechanics and the controller be connected with motor-drive circuit, first outfan of described controller is electrically connected with display screen, second outfan of described controller is electrically connected with voice device, described remote controller is connected by wireless signal with controller, described myopia rehabilitation machines also comprises cylinder and cylinder controller, the Moment Motor Controller that described cylinder controller comprises air servo valve and is electrically connected with the torque-motor of air servo valve, described cylinder comprises the cylinder barrel be installed on support, slide the piston be arranged in cylinder barrel and the piston rod be connected with piston, described air servo valve is used for carrying out air feed and aerofluxus to cylinder barrel, one end of described piston rod is arranged in cylinder barrel, the other end of described piston rod passes cylinder barrel and is fixedly connected with display screen, described display screen is electrically connected with Moment Motor Controller, described cylinder also comprises positioning tube, described piston is connected with the bottom of cylinder barrel by spring, described positioning tube is placed on piston rod and positioning tube is fixedly connected with cylinder barrel, described positioning tube is provided with some locating holes, described piston rod is provided with a locating hole, described positioning tube is connected by alignment pin with piston rod, on described positioning tube outer surface, the position corresponding with locating hole is provided with scale.
2. myopia rehabilitation machines according to claim 1, is characterized in that, described driving device also comprises gear train, and described gear train is connected with the turning cylinder of motor, and described gear train is connected with screw rod.
3. myopia rehabilitation machines according to claim 1, it is characterized in that, described motor is servomotor, described motor-drive circuit comprises the first resistance, photo-coupler, second resistance, 3rd resistance, audion and the 4th resistance, the first input end of described photo-coupler is connected with the outfan of controller by the first resistance, second input of described photo-coupler is connected with+5V power supply, first outfan of described photo-coupler is connected with the base stage of audion by the second resistance, Nodes between described second resistance and the base stage of audion is by the 3rd resistance eutral grounding, the grounded emitter of described audion, the colelctor electrode of described audion is connected with the second outfan of described photo-coupler by the 4th resistance, second outfan of described photo-coupler is also direct to be connected with+5V power supply, described motor is connected to the colelctor electrode of audion and the Nodes of the 4th resistance.
4. myopia rehabilitation machines according to claim 3, it is characterized in that, described control circuit also comprises the first radio communication device be connected with controller, described remote controller comprises housing, collects the second radio communication device being loaded on the touch screen on housing, the single-chip microcomputer be connected with touch screen and being connected with the outfan of single-chip microcomputer, and described first radio communication device is connected with the second radio communication device signal.
5. myopia rehabilitation machines according to claim 1, is characterized in that, described myopia rehabilitation machines also comprises the helmet, and the described helmet comprises body, left eye cover and right eye cover, and described left eye cover and right eye cover are all hinged with body.
6. myopia rehabilitation machines according to claim 1, is characterized in that, described track length is 13 ~ 17 meters.
7. myopia rehabilitation machines according to claim 1, is characterized in that, described track length is 15 meters.
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| CN201410060316.XA CN103784299B (en) | 2014-02-21 | 2014-02-21 | Myopia rehabilitation machines |
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| CN104173176A (en) * | 2014-08-21 | 2014-12-03 | 李艳 | Vision correction instrument and correction method thereof |
| CN109806122A (en) * | 2019-02-27 | 2019-05-28 | 李冠峰 | A kind of retinal visual potential training system and its application method |
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| CN2892022Y (en) * | 2006-04-03 | 2007-04-25 | 于淑华 | Myopia treating apparatus with adjustable vision gauge length |
| CN201244121Y (en) * | 2008-08-23 | 2009-05-27 | 林蕴婷 | Machine for correcting and training eyesight |
| CN201832098U (en) * | 2010-11-02 | 2011-05-18 | 刘伟中 | Visual function training device |
| CN202548710U (en) * | 2012-03-23 | 2012-11-21 | 北京京东方光电科技有限公司 | Apparatus for adjusting visual distance and display device |
| CN202982571U (en) * | 2012-12-04 | 2013-06-12 | 刘伦生 | Eye functional training device |
| CN203263756U (en) * | 2013-05-29 | 2013-11-06 | 长沙视琦科技开发有限公司 | Cerebral palsy brain vision injury recovery device |
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Effective date of registration: 20170705 Address after: 400010 Chongqing District of Yuzhong City Jia No. 253, 30-8 Patentee after: Chongqing Rayong myopia prevention health consulting Ltd. Address before: 400015 No. 2, unit 69, people's branch, Yuzhong District, Chongqing, 2-1 Patentee before: Luo Yong |
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