CN1112166C

CN1112166C - Multifunctional therapeutic apparatus for ophthalmopathy

Info

Publication number: CN1112166C
Application number: CN97112336A
Authority: CN
Inventors: 李昌
Original assignee: TIANJIN THREE-DIMENSION DISPLAY TECHNOLOGY Co Ltd
Current assignee: TIANJIN THREE-DIMENSION DISPLAY TECHNOLOGY Co Ltd
Priority date: 1997-06-20
Filing date: 1997-06-20
Publication date: 2003-06-25
Anticipated expiration: 2017-06-20
Also published as: CN1203067A

Abstract

The present invention relates to a multifunctional treating instrument for ophthalmopathy, which is composed of a power supply circuit, a frequency conversion oscillation circuit with an adjustable oscillation frequency and an adjustable duty ratio, a fixed-frequency oscillation circuit, an electronic switching circuit, liquid crystal glasses lenses in front of a left eye and a right eye and a plastic glasses frame. A patient wears liquid crystal glasses, the left eye and the right eye can not observe sceneries at the same time, and the left eye and the right eye can only be used for alternately observing the sceneries. In addition, time and frequency for each eye to independently observe the sceneries are adjustable. Therefore, the purpose of treating the ophthalmopathy can be achieved.

Description

A kind of unbalanced eye disease treating instrument of binocular vision function that is used for the treatment of

One. technical field: the invention belongs to medical health apparatus.It is specifically related to a kind of structure that is used for the treatment of the unbalanced eye disease treating instrument of binocular vision function.

Two, background technology: eyes are people's important function organs; for genetic reasons or improper use is bad at again to adjust and protection causes eye functions to be affected even various diseases occurs, can adopt the physical therapy etc. of Drug therapy, operative treatment, some manipulations or medical apparatus and instruments for the various illness of eyes.The illness kind of people's eyes is a lot, wherein a kind of is two visual performance imbalance, the Snazzi degree that appears as two is inconsistent, sometimes be variant to the tone resolving power, the eyes that have can not be with looking (diplopia occurring), pathological changes appears in the eyes eye muscle that has makes the converge like the spokes of a wheel at the hub afunction of eyes, have for the pathological changes of retina of both eyes, make eyes can not obtain uniform images, except the pathological changes of eyes itself, the optic nerve network, the pathological changes of the parallax of Brodmann area and non-parallax optic cell all may make inconsistent on the stereopsis vision, in two eyes one must show as visual performance and is better than the another eyes in this case, thereby show as " leading eye ", its non-dominant eye must weaken.Especially those are the staff of office, classroom or research department, because there is not the essential condition of using own binocular stereo vision in they, the visual performance of non-dominant eye is constantly weakened in the course of time, forms illness gradually.Know that through investigation the physical therapy apparatus kind of treatment myopia, presbyopia and amblyopia is more, and is adapted to treat the beyond example still that the unbalanced physical therapy apparatus of binocular vision function also can have outstanding effect.

Three, summary of the invention: the purpose of this invention is to provide a kind of physical therapy apparatus that can treat the inconsistent problem of binocular vision function---a kind of unbalanced eye disease treating instrument of binocular vision function that is used for the treatment of, it adopts the mode of artificial control to make two balancedly to work forcibly, to correct the inconsistent problem of binocular vision function.

By as above design, a kind of unbalanced eye disease treating instrument of binocular vision function that is used for the treatment of that this programme proposed, it includes power circuit, eyeglasses frame, it is characterized in that it is made up of the glasses and the control circuit of controlled keying liquid crystal lens, two eyeglasses are alternately opened, and the time of unlatching is adjustable, is controlled by the duty cycle adjustment circuit, the keying frequency adjustable of two eyeglasses is by the adjustable frequency control of frequency conversion rate agitator.

In this programme, its control circuit is made of power circuit, oscillation inverter circuit, fixed frequency oscillating circuit, electronic switching circuit, motion sensor control circuit, its oscillation inverter circuit is made up of variable frequency oscillator, variable frequency adjustment knob and duty cycle adjustment knob, it can form dutycycle and all adjustable square-wave signal of frequency, be sent to the input of electronic switching circuit, with the frequency of the alternation of the variation of frequency control eyeglass, the time of opening with the variation control eyeglass of dutycycle; The fixed frequency oscillating circuit is made up of fixed oscillator, and the square-wave signal that it produces is sent into the condition that electronic switching circuit provides liquid crystal lens to open; Two outfans of electronic switching circuit are connected with left liquid crystal lens and right liquid crystal lens, and the signal of fixed oscillator imported left liquid crystal lens into when the variable frequency oscillator output signal was high level, imported right liquid crystal lens during for low level into; Its motion sensor control circuit is made up of microswitch, motion sensor and clock generator, can send triggering signal by microswitch makes power circuit power supply, motion sensor be subjected to motion effects can send signal constantly to trigger clock generator and constantly send to workpiece.The frequency range of its variable frequency oscillator is 20HZ～120HZ, and the scope of its dutycycle is 1: 9～9: 1.The frequency of oscillation of its fixed oscillator is 500HZ～1500HZ.

Adopt this programme can embody following superiority: 1. this to be used for the treatment of the unbalanced eye disease treating instrument of binocular vision function be a kind of treatment functional eyeglasses that has, its eyeglass is the liquid crystal lens of controlled keying, it makes two eyeglasses alternately open and close under the effect of control circuit, allow two eyes alternations, go to correct abnormal before work habit artificially forcibly, alleviate the difference of leading eye and non-dominant eye, thereby alleviate or the inconsistent illness of treatment binocular vision function; 2. in this programme, the frequency of two eyeglass alternation switches is controlled, generally in working order down, switching frequency is heightened, user is also not obvious to the sensation of two alternations, the frequency of alternation switch can be slowed down in the informal working time, the sensation of two alternations this moment is obvious, and the effect of treatment is also comparatively remarkable; 3. the dutycycle of sending signal of adjusting variable frequency oscillator can be controlled the opening and closing time of eyeglass, and is helpful to correcting on the unbalanced effect of binocular vision function; 4. in the control circuit of this programme, be provided with the motion sensor control circuit, its effect is after a period of time that takes off one's glasses, motion sensor can not send the signal that continues triggering, can not keep and continue power supply, this therapeutic instrument stops work automatically, battery is had the effect of saving and protecting; 5. this therapeutic instrument has the characteristics of better function, simple in structure, low cost of manufacture, is worth of widely use.

Four. description of drawings:

Fig. 1 is the schematic diagram that this programme is used for the treatment of the unbalanced eye disease treating instrument control circuit of binocular vision function.

Fig. 2 is the schematic appearance of this therapeutic instrument.

Five, the specific embodiment: the embodiment of existing accompanying drawings this programme.This is used for the treatment of the unbalanced eye disease treating instrument of binocular vision function and is suitable for the inconsistent unbalanced patient of binocular vision function; this therapeutic instrument is wearable glasses, and it is made of plastic spectacle frame 15, mirror lower limb 16, protection rope 17, left liquid crystal lens 10, right liquid crystal lens 11, electronic circuit installing plate 18, battery cover 19, power knob switch 12 and the variable frequency oscillator frequency adjustment knob 4 and the duty cycle adjustment knob 5 that are contained on the mirror holder.Electronic control circuit in its inside includes battery 1, the booster circuit 2 of power pack, its motion sensor control circuit partly includes micro power switch 12, clock generator 13 and motion sensor 14, variable frequency oscillator partly includes dutycycle and adjustable square-wave oscillator 3, frequency of oscillation adjusting knob 4, the duty cycle adjustment knob 5 of frequency of oscillation, the square-wave oscillator 7 that also has the fixed frequency oscillating circuit, electronic switching circuit 9.Its operation principle is as follows, and battery adopts two button cells, through booster circuit the voltage of 3V is raised to 12V, provides a triggering signal when pressing microswitch power supply is sent to workpiece.The scope of the frequency of the square-wave signal that variable frequency oscillator partly produces is 20～120HZ, the dutycycle of square-wave signal can be adjusted arbitrarily in 1: 9～9: 1, one input of its output termination on-off circuit, its waveform shape is 6 represented, the frequency range that fixed oscillator sends signal is 500～1500HZ, connect another input of electronic switching circuit, its waveform shape is 7 represented, and two outfans of electronic switching circuit are connected with left and right sides liquid crystal lens respectively.Electronic switching circuit is subjected to the control of variable frequency oscillator input signal, when input signal is high level, the square-wave signal of fixed oscillator generation is fed to the liquid crystal lens of left eye, it is opened, left eye can observing scene, stop to the right the lens feed signal simultaneously and it is closed, the signal of fixed oscillator is fed to the liquid crystal lens of right eye through on-off circuit when the variable frequency oscillator input signal is low level, opening the eyeglass right eye can observing scene, alternately working for such two, alternately observing scene.The frequency that changes the variable frequency oscillator square-wave signal can change the frequency of left and right sides eyeglass alternation, changes the duty specific energy and changes the time that eyeglass is opened.The major function of motion sensor control circuit is that power circuit can be powered continuously to workpiece when putting on this therapeutic instrument; outage automatically in required time when removing this therapeutic instrument; after putting on this therapeutic instrument; press microswitch; there is a pulse signal to trigger clock circuit; make the power supply power supply; the once circulation of clock generator is 60 seconds; then control circuit outage when 60 seconds internal clock generators can not get once more triggering signal; this instrument is applied to always has the small action of some heads when last and pass to motion sensor; it will constantly send triggering signal and give clock generator; then this therapeutic instrument can be kept operate as normal; do not send triggering signal, then hard stop when taking from the beginning through 60 seconds.

This therapeutic instrument is to adopt two of the method pressures of artificial control balancedly to devote oneself to work, and to correct the difference between leading eye and the non-dominant eye, this instrument is a kind of glasses that can often wear.Working time and non-working time can be adjusted in the use that alternately opens and closes the eyeglass frequency, can obtain good curing or health-care effect.Long periods of wear can be treated the uneven inconsistent illness of binocular vision function.Snazzi degree as two is inconsistent, variant to the tone resolving power, eyes can not obtain uniform images, eyes can not can both be treated and improve fully with look, the converge like the spokes of a wheel at the hub afunction of eyes etc., it can both be worn in working time and leisure time, can treat multiple illness, a kind of really superior eye disease treating instrument.

Claims

1. one kind is used for the treatment of the unbalanced eye disease treating instrument of binocular vision function, it includes power circuit, eyeglasses frame, it is characterized in that it is made up of the glasses and the control circuit of controlled keying liquid crystal lens, two eyeglasses are alternately opened, the time of opening is adjustable, by the control of duty cycle adjustment circuit, the keying frequency adjustable of two eyeglasses is by the adjustable frequency control of frequency conversion rate agitator.

2. according to the described therapeutic instrument of claim 1, the control circuit that it is characterized in that it is by power circuit, the oscillation inverter circuit, the fixed frequency oscillating circuit, electronic switching circuit, the motion sensor control circuit constitutes, its oscillation inverter circuit is by variable frequency oscillator (3), variable frequency adjustment knob (4) and duty cycle adjustment knob (5) are formed, it can form dutycycle and all adjustable square-wave signal of frequency, be sent to the input of electronic switching circuit (9), with the frequency of the alternation of the variation of frequency control eyeglass, the time of opening with the variation control eyeglass of dutycycle; The fixed frequency oscillating circuit is made up of fixed oscillator, the square-wave signal that it produces is sent into the condition that electronic switching circuit provides liquid crystal lens to open, two outfans of electronic switching circuit are connected with left liquid crystal lens (10) and right liquid crystal lens (11), the signal of fixed oscillator imported left liquid crystal lens into when the variable frequency oscillator output signal was high level, imported right liquid crystal lens during for low level into; Its motion sensor control circuit is made up of microswitch (12), motion sensor (14) and clock generator (13).Can send triggering signal by microswitch makes power circuit power supply, motion sensor be subjected to motion effects can send signal constantly to trigger clock generator and constantly send to workpiece.

3. according to the described therapeutic instrument of claim 1, the frequency range that it is characterized in that its variable frequency oscillator is 20HZ～120HZ, and the scope of its dutycycle is 1: 9～9: 1.

4. according to the described therapeutic instrument of claim 1, the frequency of oscillation that it is characterized in that its fixed oscillator is 500HZ～1500HZ.