CN2314763Y

CN2314763Y - Cross after image point light turn-off sight increasing instrument

Info

Publication number: CN2314763Y
Application number: CN 97237571
Authority: CN
Inventors: 孙汉军
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-08-18
Filing date: 1997-08-18
Publication date: 1999-04-21
Anticipated expiration: 2007-08-18

Abstract

The utility model particularly relates to a cross after image light turning on and turning off sight increasing instrument, belonging to the technical field of methods or instruments for curing eyes, comprising a magnetic indication stick, a base, a lamp box, a back cover, an optics panel which is provided with a cross mark in the central part, a lamp, a magnetic control switch and a magnetic control switch circuit, wherein, the magnetic control switch is arranged above the optics panel and faces the central point of the cross mark of the central part of the optics panel, the magnetic control switch circuit is mainly composed of a power supply, the magnetic control switch and the lamp, and the magnetic control switch and the lamp are connected in series. When the utility model is used for curing, not only an after image can be generated, but also the after image can be extended effectively, patients' central sight can be improved, patients' hands and eyes are needed to cooperate, the function of normal positioning of eyes can be trained and be enhanced, and the utility model has the advantages of reliable performance and simple structure.

Description

The cross after image point vision enhancer of turning off the light

This utility model belongs to the method or the equipment technical field for the treatment of eyes, is specifically related to a kind of cross after image point vision enhancer of turning off the light.

Medically, utilize after image principle treatment amblyopia by the clinical ophthalmology extensive use.A kind of " red spot go out amblyopia therapeutic equipment " disclosed as Chinese patent 89214551, it is the HONGGUANG characteristic extremely responsive to eyeball macula retinae center recess pyramidal cell of utilizing the 6400A wavelength, be used in the single board computer control irregular point of 1-256 the light emitting diode down stimulation amblyopia eye that goes out, the while also produces after image and excites the macula lutea central. set.This technology can play the effect that produces after image treatment amblyopia, but also has following defective: 1. the HONGGUANG of the irregular flicker generation of light emitting diode can only stimulate macula lutea conical inner body cell, can not produce after image, and therapeutic effect is not good.2. utilize a plurality of operation boards and complicated single board computer to control the irregular flicker of light emitting diode, complex structure disperses patient's attention, affects the treatment.3. can only utilize flashing red light treatment amblyopia, function singleness.

The purpose of this utility model is at the prior art above shortcomings, provide a kind of not only can produce after image can also prolong after image, can make patient's trick cooperate, simple in structure, reliability is high, to all medicable cross after image points such as weak, the stravismus vision enhancer that goes out.

The technical solution of the utility model is as follows:

Show that through medical research in dark situation, will produce after image after the white light that human eye is accepted certain intensity is shown off, positive after image changed negative afterimage immediately into before this, this after image can excite the macula lutea function, improves central vision.Vision physiological shows that the life period of this after image is shorter, and has different because of everyone dark adaptation ability size.After deliberation, the light and shade alternately light of flicker can prolong the negative afterimage time, and " ten " word mark more helps prolonging after image and correct the abnormal retinal correspondence.Physiological feature in view of the above, this cross after image point vision enhancer of turning off the light is designed to by fuselage and magnetic indicating bar two parts, fuselage comprises that base, lamp box, bonnet and center have the optic panel of cross mark, and optic panel is covered in the lamp box surface, and bonnet is covered in the lamp box rear portion.The magnetic switch circuit is housed in the space that forms between bonnet and the lamp box, bulb is set in the lamp box.Magnetic switch is positioned under the optic panel and the cross mark central point on the optic panel.The magnetic switch circuit mainly is in series by power supply, magnetic switch and bulb.Control lighting and extinguishing of bulb by the closure of magnetic switch with disconnecting.

When treating, the patient hides strong eye, to suffer from the cross mark central point of eye fixation optic panel, hand-held magnetic indicating bar knocks the cross central point, starts magnetic switch closure, energized when magnetic index rod touches panel cross central point, bulb is bright, and panel sends white light; When magnetic index rod left panel cross central point, magnetic switch disconnected, deenergization, and bulb extinguishes.Knocking panel so repeatedly is alternately flicker of light and shade, is prolonged the after image time, excites the macula lutea function, improves central vision.Join work by above-mentioned trick simultaneously, strengthen the positive locating function of eye, patient's paracentral fixation is shifted to central fixation gradually, correct the abnormal retinal correspondence due to looking side ways.

The utlity model has following advantage:

1. adopt the optic panel of band cross mark and the magnetic control point mode of turning off the light, make the patient be prolonged after image, excite the macula lutea function, improve central vision, effectively weak, the stravismus of treatment.

2. adopt unique cross mark, the patient must accurately contact the cross mark central point with the magnetic indicating bar during treatment, make patient's trick in the process of turning off the light repeatedly join work, the positive locating function of training and reinforcement eye, paracentral fixation is shifted to central fixation gradually, rectification abnormal retinal correspondence, the diplopia of treatment stravismus preoperative and postoperative is recovered stereoscopic vision.

3. adopt the magnetic switch point of the non-contact type device that goes out, the reliability height helps prolonging service life of instrument.

4. whole instrument is simple in structure.

Below in conjunction with drawings and Examples this utility model is described further:

Fig. 1 is the cross after image point vision enhancer overall structure figure that turns off the light;

Fig. 2 removes structure chart behind the optic panel for the cross after image point vision enhancer of turning off the light;

Fig. 3 is the cross after image point vision enhancer rear structure figure that turns off the light;

Fig. 4 is the cross after image point vision enhancer circuit theory diagrams of turning off the light.

Embodiment: as shown in Figure 1, 2, 3, this cross after image point vision enhancer of turning off the light divides fuselage 1 and magnetic indicating bar 2 two parts, fuselage 1 comprises base 7, bonnet 9, funnel-form lamp box 8 and optic panel 3, bonnet 9 and optic panel 3 are installed on funnel-form lamp box 8 rear portions and surface respectively, and all be fixed on the base with certain visual angle, also establish power supply indicator 5 and on and off switch 6 on the base.There is cross mark 4 at optic panel 3 centers, and the bottom of funnel-form lamp box is equipped with bulb L, and magnetic switch K is positioned at optic panel 3 times and to 4 central points of the cross mark on the optic panel.In the space that between bonnet 11 and funnel-form lamp box 8, forms the magnetic switch circuit is housed, it comprises the magnetic switch control bulb point part of going out, also comprise bulb point go out counting, music tip circuit part, its circuit theory is as shown in Figure 4: the 220V power supply connects mains transformer T, alternating current 220V is transformed to two groups of 5V voltage and 7.5 voltages, and 5V voltage one line connects bulb L.7.5V pressure-wire connects commutation diode D and filter capacitor C1, connects stable set IC in blocks again ₁Foot 1 (78L05), its output pin 3 connects integrated IC of master control ₂(AT89C1051) input pin 20; Magnetic switch K is connected in integrated IC of master control ₂(AT89C1051) on the

input pin

7,8, Music Clip IC ₃Connect integrated IC of master control ₂(AT89C1051) output pin 11, the output pin 14 of integrated AT89C1051 of master control connects one and drives audion BG, connects bulb L then.The work process of this circuit is as follows: by mains transformer T alternating current 220V is converted to one group of 7.5V voltage, one group of 5V voltage.7.5V voltage through rectifying and wave-filtering, obtains+10V voltage, by integrated voltage stabilizing sheet IC ₁Voltage is stabilized to+5V, supplies with integrated IC of master control ₂(AT89C1051) input pin 20, when the magnetic indicating bar when the magnetic switch K, switch closure, the magnetic indicating bar leaves, switch disconnects, thereby realizes contactless control.When switch closure once, integrated AT89C1051 of master control to its counting once simultaneously drives the bulb flicker once at signal of 14 feet output by drive circuit, musical film sends " toots " simultaneously; When switch closure when certain number of times, musical film sends music, delay time about one minute, integrated AT89C1051 of master control is with the circuit beginning that preparation works that automatically resets next time.

Claims

1. cross after image point vision enhancer of turning off the light is characterized in that it is made up of fuselage (1) and magnetic indicating bar (2); Fuselage comprises that base (7), lamp box (8), bonnet (9), center have the optic panel (3) of cross mark (4), in the space that forms between bonnet (9) and the lamp box (8) the magnetic switch circuit is housed, lamp box is established bulb L in (8), magnetic switch K is positioned under the optic panel (3), and over against cross mark (4) central point of optic panel (3); The magnetic switch circuit mainly is in series by power supply, magnetic switch K and bulb L, controls lighting and extinguishing of bulb by the closure of magnetic switch with disconnecting.

2. the cross after image point according to claim 1 vision enhancer of turning off the light, it is characterized in that described magnetic switch circuit also has counting control, voice warning circuit part, its circuit relationships is: power supply connects mains transformer T, alternating current 220V is transformed to two groups of 7.5V voltage and 5V voltages, 5V pressure-wire one termination bulb L; 7.5V pressure-wire connects commutation diode D and filter capacitor C1, connects integrated IC of voltage stabilizing again ₁Foot 1, output to integrated IC of master control through its foot 3 ₂(AT89C1051) foot 20; Magnetic switch K is connected on the input pin 7,8 of integrated of master control, Music Clip IC ₃Connect integrated IC of master control ₂Output pin 11; Integrated IC of master control ₂Output pin 14 connect one and drive audion BG, connect bulb L then.