CN201055498Y - Prism orthoptic training machine - Google Patents
Prism orthoptic training machine Download PDFInfo
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- CN201055498Y CN201055498Y CNU200720039303XU CN200720039303U CN201055498Y CN 201055498 Y CN201055498 Y CN 201055498Y CN U200720039303X U CNU200720039303X U CN U200720039303XU CN 200720039303 U CN200720039303 U CN 200720039303U CN 201055498 Y CN201055498 Y CN 201055498Y
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- prism
- cylindrical shell
- prismatic
- glasseses
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Abstract
The utility model provides a prism orthophoria visual trainer, which comprises a dual cylinder. A front prism and a back prism, which have the same prism degree, are respectively arranged in each cylinder of the two cylinders. A rotating device used for driving the two prism lens in the cylinder to counter rotate is arranged on the each cylinder of the two cylinders. Or the utility model comprises a dual cylinder, a front prism and a back prism, which have the same prism degree, are respectively arranged in each cylinder of the two cylinders. A rotating component used for driving the prism lens in the two cylinders to simultaneously counter rotate is arranged between the two cylinders. The prism degrees of the two prism lens in one cylinder are the same and are symmetrically arranged in the utility model. When the two prism lens counter rotate, after optical synthetic, the direction of the basal seat of the prism keeps the same and the degree of the prism degree gradually increases, which results in the orientation and the slow movement of an object image. Exotropia and esotropia can be respectively trained and corrected through inwardly and outwardly adjusting the direction of the basal seat of the lens. The utility model has simple structure, easy operation and has no side effect.
Description
Technical field
This utility model relates to and a kind ofly is used to look side ways the biased oblique prism normotopia of patient's corrective ophthalmic and looks training aids.
Background technology
Normal person's eyes can both be watched same target simultaneously attentively, and the biased oblique patient's of eye two an eye line can not be projeced into spatial same target simultaneously.Stravismus not only influences outward appearance, the more important thing is the visual function defective that causes them.Aspect the rectification of stravismus, existing technology has operation, Dai Jing, medicine, acupuncture etc.Operation is corrected and only is suitable for dominance than large angle strabismus; Wear the method that mirror mainly adopts excessive rectification hypermetropia or myopia, the scope of application is very narrow, and the shortcoming that the obstruction hypermetropia takes a turn for the better and promotion myopia is deepened is arranged; The curative effect of method such as medicine, acupuncture is unreliable, have also still among exploring.
Eye position is controlled by extraocular muscles, level to ocular movement by the medial rectus of inside motion and outwards the motion lateral rectus coordinated to control.If both muscular strengths do not wait or imbalance, exotropia or esotropia will take place, the incidence rate of this class stravismus is very high.Therefore, train the function of eye muscle more weak in lateral rectus or the medial rectus targetedly, strengthen the fusion faculty of stereopsis vision, just can correct this type of stravismus, correct the eye position, perhaps will become small-angle strabismus than large angle strabismus, manifest strabismus becomes recessive stravismus, and alleviate the defective of visual performance, eliminate the visual discomfort symptom.This function of training extraocular muscles (lateral rectus or medial rectus) targetedly, we are referred to as normotopia and look training.
In existing technology, normotopia is looked training three kinds of methods: common coaching method, jump coaching method and prism coaching method.In existing technology, common coaching method is to make patient's binocular fixation nib, and it is shifted near to nose gradually by arm distance far away, till diplopia occurring, its shortcoming is to train medial rectus, corrects the exotropia, and can stimulate adjusting simultaneously, easily cause myopia.The jump coaching method is to make the patient watch distant object earlier attentively, after change suddenly and see the low coverage target, this method effect is relatively poor, and still has the same shortcoming of common coaching method; As making the jump coaching method with synoptophore, though avoided some above-mentioned shortcomings, because of synoptophore is large-scale synthesis diagnosis and therapeutic device, its volume heaviness, complex structure, cost an arm and a leg, and need operate just and can carry out the doctor, can only train in outpatient service, be difficult to train at home.The prism coaching method is to utilize prism, and prism is made up of two uneven planes, and a side intersects, and is called the summit of prism, and opposite side is the prism substrate, and light reflects to its substrate direction after passing prism, and image is to its zenith directions displacement.During training, with the prism substrate outwards or substrate before being built in a glance, begin by low prism, change the height prism gradually, to strengthen the strength of medial rectus or lateral rectus.The requirement of prism placement technique is very high when using this method, if the substrate direction has deviation slightly when changing prism, can produce vertically to the image skew, harm one's eyes on the contrary during training, and because the prism degree that increases is a saltatory, its training effect is also not really desirable.
The utility model content
It is constant and prism normotopia that the prism degree size can gradually change is looked training aids that the purpose of this utility model is to propose a kind of prism substrate direction that can keep in use.
For achieving the above object, this utility model is taked following a kind of technical measures: the utlity model has the duplex cylindrical shell, respectively be provided with forward and backward two prismatic glasseses that prism degree equates in two cylindrical shells, respectively be provided with on two cylindrical shells and drive the antidromous rotary apparatus of these intravital two prismatic glasseses.
Intravital two prismatic glasseses of the same tube of described duplex cylindrical shell are that summit, substrate are oppositely arranged, and when initial, directly over the substrate of a slice prismatic glasses faces toward, under the substrate of another sheet prismatic glasses faced toward, intravital two prismatic glasseses and another intravital two prismatic glasseses forward were provided with in the duplex cylindrical shell.
Each cylinder inboard wall of described duplex cylindrical shell is provided with bulge loop, and two prismatic glasseses set up both sides before and after bulge loop separately; On the barrel wall of corresponding bulge loop and be in again on the opposing position of two cylindrical shells and respectively be provided with the radial hole that leads to cylinder chamber.
Described rotary apparatus comprises driving shaft, pinion, swing handle and two Jing Quan that inlay described two prismatic glasseses respectively, and the relative the opposing party's of described each Jing Quan end face part is provided with end tooth; Above-mentioned driving shaft is by the cylindrical shell radial hole, and it is on the intravital end of tube and connects above-mentioned pinion, pinion and this intravital each mirror circle end tooth engagement, and driving shaft stretches out on the outer end of cylindrical shell and connects above-mentioned swing handle.
Described each mirror circle end face be provided with end tooth scope or greater than 90 ° less than 120 °, or greater than 180 ° less than 220 °.
For achieving the above object, this utility model is taked following another kind of technical measures: the utlity model has the duplex cylindrical shell, be provided with forward and backward two prismatic glasseses that prism degree equates in every cylindrical shell, be provided with between two cylindrical shells and drive two intravital two prismatic glasseses simultaneously and make antidromous rotary components.
Intravital two prismatic glasseses of the same tube of described duplex cylindrical shell are that summit, substrate are oppositely arranged, and when initial, directly over the substrate of a slice prismatic glasses faces toward, under the substrate of another sheet prismatic glasses faces toward; , intravital two prismatic glasseses and another intravital two prismatic glasseses are symmetrical arranged in the duplex cylindrical shell.
Connect by hollow pipe between two cylindrical shells of described duplex cylindrical shell; Each cylinder inboard wall is provided with bulge loop, and two prismatic glasseses set up both sides before and after bulge loop separately; Respectively be provided with the radial hole that is communicated with cylinder chamber and hollow pipe on the barrel wall of corresponding bulge loop, duplex cylindrical shell hollow pipe is provided with radial direction through hole.
Described rotary apparatus comprises driving shaft, drive bevel gear, two driven shafts, two driven wheels of differential, two pinions, swing handle and two Jing Quan that inlay described two prismatic glasseses respectively, and the relative the opposing party's of described each Jing Quan end face part is provided with end tooth; Above-mentioned driving shaft passes the radial hole on the hollow pipe, driving shaft is on the interior end of hollow pipe and connects above-mentioned drive bevel gear, above-mentioned two driven shafts pass the radial hole on two cylindrical shells respectively, two driven shafts are on the end of hollow pipe and respectively connect above-mentioned driven wheel of differential, two driven wheels of differential and drive bevel gear engagement, two driven shafts are on the intravital end of tube and respectively connect above-mentioned pinion, the end tooth engagement of pinion and intravital each Jing Quan of tube of living in, driving shaft are stretched out on the outer end of hollow pipe and are connected above-mentioned swing handle.
Described each Jing Quan be provided with end tooth scope or greater than 90 ° less than 120 °, or greater than 180 ° less than 220 °.
This utility model since the prism degree of intravital two prismatic glasseses of same tube equate, and be and be symmetrical arranged.When two prismatic glasseses were done incorgruous rotation, the prism substrate direction after its optics is synthetic remained unchanged, and the variation that the big or small generation of prism degree increases gradually, it is directed and slowly mobile to produce image thus.Inside or outside by the substrate direction of prismatic lens, be applied to training mutually and correct exotropia or esotropia.This utility model utilizes the amalgamation of eyes to reflect and trains the comparatively weak extraocular muscles of muscular strength, merge reserve by training the imbalance that can improve the extraocular muscles muscular strength, increasing, and corrects stravismus, and the raising visual performance, eliminates visual discomfort.This utility model compact conformation, simple to operate and have no side effect.
Description of drawings
For the easier quilt of content of the present invention is clearly understood, below the specific embodiment and in conjunction with the accompanying drawings of basis, the present invention is further detailed explanation, wherein
Fig. 1 is embodiment 1 configuration diagram;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the initial bitmap of a Jing Quan and prismatic glasses wherein;
Fig. 4 is the initial bitmap of another Jing Quan and prismatic glasses;
Fig. 5 is embodiment 2 configuration diagram;
Fig. 6 is the C-C cutaway view of Fig. 5;
Fig. 7 is the C-C cutaway view of embodiment 3 suitable Fig. 4.
The specific embodiment
Each cylindrical shell 1 inwall of described duplex cylindrical shell is provided with bulge loop 1-1, and forward and backward two prismatic glasseses were located at both sides, bulge loop 1-1 front and back in 2 minutes.On the barrel wall of corresponding bulge loop 1-1 and be in again on the opposing position of two cylindrical shells and respectively be provided with the radial hole 1-2 that leads to cylinder chamber.Because radial hole 1-2 is by bulge loop 1-1, for making things convenient for the processing of radial hole 1-2, corresponding radial hole 1-2 place is provided with breach 1-11 on bulge loop 1-1.
Respectively be provided with on two cylindrical shells 1 and drive these intravital forward and backward prismatic glasses 2 antidromous rotary apparatuss 3.The two mirror circle 3-3 that rotary apparatus 3 comprises driving shaft 3-1, pinion 3-2, swing handle 3-7 and inlays described two prismatic glasseses 2 respectively, the relative the opposing party's of each mirror circle 3-3 end face part is provided with end tooth 3-31.End tooth scope on each mirror circle 3-3 or greater than 90 ° less than 120 °, or greater than 180 ° less than 220 °.
Above-mentioned driving shaft 3-1 is by cylindrical shell radial hole 1-2, and it is on the end in the cylindrical shell 1 and connects above-mentioned pinion 3-2, and pinion 3-2 and this intravital two mirror circle 3-3 end teeth engagement, driving shaft 3-1 stretch out the above-mentioned swing handle 3-3 of connection on the outer end of cylindrical shell 1.Fig. 3 and shown in Figure 4 be the initial bitmap of Jing Quan and prismatic glasses, suppose that Fig. 3 is back Jing Quan and the initial bitmap of back prismatic glasses, Fig. 4 then is preceding mirror circle 3-3 and preceding prismatic glasses initial bit figure, end tooth on two Jing Quan is all at 90 °～120 °, when initial bit, directly over the substrate 2-j of rear prism sheet was in, under the substrate 2-j of preceding prismatic lens was in, the m of the end tooth 3-31 on back mirror circle 3-3 end meshed with the m end of the end tooth 3-31 of preceding Jing Quan.The incorgruous rotation of two mirror circles, when after the n end and the n end engagement that preceding mirror circle 3-3 goes up end tooth 3-31 of end tooth 3-31 on the mirror circle 3-3, stop the rotation.Front and rear at two cylindrical shells respectively is provided with annular cover plate 5, limits seesawing of two mirror circle 3-3.
Look when training the exotropia being carried out normotopia, measure patient's fusion state earlier by the doctor, be in the patient of fusion state for the eyes video, the cylindrical shell knob that then can produce the inside synthetic prisms of substrate is fixed in initial bit, be not in the patient of fusion state as the eyes video, then rotate this cylindrical shell knob to the minimum prism degree that produces the fusion state, this cylindrical shell is fixed.Rotate the knob of another cylindrical shell, pinion 3-2 drives mirror circle 3-3 up and down, makes the mirror astragal move prismatic glasses 2 incorgruous rotations, and producing outside synthetic prisms of substrate and prism degree thus increases gradually, adopt 15 △ as prismatic glasses, so Zui Da synthetic prisms Du Keda 30 △.Merge when the patient firmly keeps eyes to look thing, and do not produce diplopia, train the strength of medial rectus and increase with this and merge convergence power.Look when training esotropia being carried out normotopia, the cylindrical shell knob that can produce the outside synthetic prisms of substrate is fixed, rotate the knob of another cylindrical shell, increase gradually, train the strength of lateral rectus and increase with this and merge the diffusing power of opening to produce inside synthetic prisms and the prism degree of substrate.
Connect by hollow pipe 4 between two cylindrical shells 1 of described duplex cylindrical shell; Each cylindrical shell 1 inwall is provided with bulge loop 1-1, and two prismatic glasseses were located at both sides, bulge loop 1-1 front and back in 2 minutes; Respectively be provided with the radial hole 1-3 that is communicated with cylinder chamber and hollow pipe 4 on the barrel wall of corresponding bulge loop 1-1, duplex cylindrical shell hollow pipe 4 is provided with radial direction through hole 4-1.The corresponding radial hole 1-3 of above-mentioned bulge loop 1-1 position is provided with breach 1-11.
Be provided with two prismatic glasseses 2 that drive simultaneously in each cylindrical shell 1 between two cylindrical shells 1 and make antidromous rotary components 3.The forward and backward mirror circle 3-3 that rotary apparatus 3 comprises driving shaft 3-1, drive bevel gear 3-4, two driven shaft 3-5, two driven wheel of differential 3-6, two pinion 3-2, swing handle 3-7 and inlays described two prismatic glasseses 2 respectively, the relative the opposing party's of each mirror circle 3-3 end face part is provided with end tooth, the end tooth scope of each mirror circle 3-3 be greater than 90 ° less than 120 ° or greater than 180 ° less than 220 °.Above-mentioned driving shaft 3-1 passes the radial hole 4-1 on the hollow pipe 4, driving shaft 3-1 is on the end in the hollow pipe 4 and connects above-mentioned drive bevel gear 3-4, above-mentioned two driven shaft 3-5 pass the radial hole 1-3 on two cylindrical shells respectively, two driven shaft 3-5 are on the end of hollow pipe 4 and respectively connect above-mentioned driven wheel of differential 3-6, two driven wheels of differential and drive bevel gear 3-4 engagement, two driven shaft 3-5 are on the end in the cylindrical shell 1 and respectively connect above-mentioned pinion 3-2, the end tooth engagement of pinion 3-2 and intravital each the mirror circle 3-3 of tube of living in, driving shaft 3-1 stretches out on the outer end of hollow pipe 4-1 and connects above-mentioned swing handle 3-7.Front and rear at two cylindrical shells respectively is provided with annular cover plate 5, limits seesawing of two mirror circle 3-3.
When knob rotated, by the geared system of interlock, two intravital Jing Quan began to rotate simultaneously from initial position, drive the 2 incorgruous rotations of two prismatic glasseses, all produce the outside synthetic prisms of substrate.And prism degree increases gradually, adopts 10 △ as each prismatic glasses, and every produces maximum synthetic prisms degree is 20 △, and two common properties are given birth to the outside maximum prism degree of substrate and can be reached 40 △.
In embodiment 2 and embodiment 3, not the patient of merging state, during training, fix a prismatic lens on the annular cover plate surface of cylindrical shell in addition for the eyes video, perhaps put on the glasses that a subband has prismatic lens in addition, its size is for producing the minimum prism degree that the eyes video merges.
Claims (10)
1. a prism normotopia is looked training aids, it is characterized in that: this training aids has the duplex cylindrical shell, respectively be provided with forward and backward two prismatic glasseses (2) that prism degree equates in two cylindrical shells (1), respectively be provided with on two cylindrical shells (1) and drive these antidromous rotary apparatuss of intravital two prismatic glasseses (2) (3).
2. prism normotopia according to claim 1 is looked training aids, it is characterized in that: same intravital two prismatic glasseses of tube of described duplex cylindrical shell (2) are that summit, substrate are oppositely arranged, and when initial, directly over the substrate of a slice prismatic glasses faces toward, under the substrate of another sheet prismatic glasses faced toward, intravital two prismatic glasseses (2) forward were provided with another intravital two prismatic glasseses (2) in the duplex cylindrical shell.
3. prism normotopia according to claim 2 is looked training aids, it is characterized in that: each cylindrical shell (1) inwall of described duplex cylindrical shell is provided with bulge loop (1-1), and two prismatic glasseses (2) branch is located at both sides, bulge loop (1-1) front and back; On the barrel wall of corresponding bulge loop (1-1) and be in again on the opposing position of two cylindrical shells and respectively be provided with the radial hole (1-2) that leads to cylinder chamber.
4. prism normotopia according to claim 3 is looked training aids, it is characterized in that: described rotary apparatus (3) comprises driving shaft (3-1), pinion (3-2), swing handle (3-7) and two Jing Quan (3-3) that inlay described two prismatic glasseses (2) respectively, and described each Jing Quan (3-3) end face part of the opposing party relatively is provided with end tooth (3-31); Above-mentioned driving shaft (3-1) is by cylindrical shell radial hole (1-2), it is on the interior end of cylindrical shell (1) and connects above-mentioned pinion (3-2), pinion (3-2) stretches out on the outer end of cylindrical shell (1) and connects above-mentioned swing handle (3-3) with this intravital each Jing Quan (3-3) end tooth engagement, driving shaft (3-1).
5. prism normotopia according to claim 4 is looked training aids, it is characterized in that: described each Jing Quan (3-3) end face be provided with end tooth scope or greater than 90 ° less than 120 °, or greater than 180 ° less than 220 °.
6. a prism normotopia is looked training aids, it is characterized in that: this training aids has the duplex cylindrical shell, be provided with forward and backward two prismatic glasseses (2) that prism degree equates in every cylindrical shell (1), be provided with two prismatic glasseses (2) that drive simultaneously in two cylindrical shells (1) between two cylindrical shells (1) and make antidromous rotary components (3).
7. prism normotopia according to claim 6 is looked training aids, it is characterized in that: same intravital two prismatic glasseses of tube of described duplex cylindrical shell (2) are that summit, substrate are oppositely arranged, and when initial, directly over the substrate of a slice prismatic glasses faces toward, under the substrate of another sheet prismatic glasses faces toward; , intravital two prismatic glasseses (2) are symmetrical arranged with another intravital two prismatic glasseses (2) in the duplex cylindrical shell.
8. prism normotopia according to claim 7 is looked training aids, it is characterized in that: connected by hollow pipe (4) between two cylindrical shells (1) of described duplex cylindrical shell; Each cylindrical shell (1) inwall is provided with bulge loop (1-1), and two prismatic glasseses (2) branch is located at both sides, bulge loop (1-1) front and back; Respectively be provided with the radial hole (1-3) that is communicated with cylinder chamber and hollow pipe (4) on the barrel wall of corresponding bulge loop (1-1), duplex cylindrical shell hollow pipe (4) is provided with radial direction through hole (4-1).
9. prism normotopia according to claim 8 is looked training aids, it is characterized in that: described rotary apparatus (3) comprises driving shaft (3-1), drive bevel gear (3-4), two driven shafts (3-5), two driven wheels of differential (3-6), two pinions (3-2), swing handle (3-7) and two Jing Quan (3-3) that inlay described two prismatic glasseses (2) respectively, and described each Jing Quan (3-3) end face part of the opposing party relatively is provided with end tooth; Above-mentioned driving shaft (3-1) passes the radial hole (4-1) on the hollow pipe (4), driving shaft (3-1) is on the interior end of hollow pipe (4) and connects above-mentioned drive bevel gear (3-4), above-mentioned two driven shafts (3-5) pass the radial hole (1-3) on two cylindrical shells respectively, two driven shafts (3-5) are on the end of hollow pipe (4) and respectively connect above-mentioned driven wheel of differential (3-6), two driven wheels of differential and drive bevel gear (3-4) engagement, two driven shafts (3-5) are on the interior end of cylindrical shell (1) and respectively connect above-mentioned pinion (3-2), pinion (3-2) meshes with the end tooth (3-31) of intravital each Jing Quan of tube of living in (3-3), and driving shaft (3-1) stretches out on the outer end of hollow pipe (4-1) and connects above-mentioned swing handle (3-7).
10. prism normotopia according to claim 9 is looked training aids, it is characterized in that: described each Jing Quan (3-3) be provided with end tooth scope or greater than 90 ° less than 120 °, or greater than 180 ° less than 220 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720039303XU CN201055498Y (en) | 2007-05-31 | 2007-05-31 | Prism orthoptic training machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720039303XU CN201055498Y (en) | 2007-05-31 | 2007-05-31 | Prism orthoptic training machine |
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| Publication Number | Publication Date |
|---|---|
| CN201055498Y true CN201055498Y (en) | 2008-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720039303XU Expired - Fee Related CN201055498Y (en) | 2007-05-31 | 2007-05-31 | Prism orthoptic training machine |
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| CN (1) | CN201055498Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109363902A (en) * | 2018-11-30 | 2019-02-22 | 江苏悠享颐生健康科技有限公司 | Automatic lens type eye position exercise instrument and its application |
| CN109567739A (en) * | 2018-11-29 | 2019-04-05 | 刘东光 | Hand-held somascope with strabismus testing agency |
| CN110269789A (en) * | 2019-06-27 | 2019-09-24 | 中国人民解放军陆军特色医学中心 | A kind of fixed Eyeball training device and training method |
| WO2020024706A1 (en) * | 2018-08-01 | 2020-02-06 | 杨秀峰 | Multi-functional variable prism instrument for convenient measurement |
-
2007
- 2007-05-31 CN CNU200720039303XU patent/CN201055498Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020024706A1 (en) * | 2018-08-01 | 2020-02-06 | 杨秀峰 | Multi-functional variable prism instrument for convenient measurement |
| CN109567739A (en) * | 2018-11-29 | 2019-04-05 | 刘东光 | Hand-held somascope with strabismus testing agency |
| CN109567739B (en) * | 2018-11-29 | 2021-07-16 | 刘东光 | Handheld inspection instrument with strabismus detection mechanism |
| CN109363902A (en) * | 2018-11-30 | 2019-02-22 | 江苏悠享颐生健康科技有限公司 | Automatic lens type eye position exercise instrument and its application |
| CN110269789A (en) * | 2019-06-27 | 2019-09-24 | 中国人民解放军陆军特色医学中心 | A kind of fixed Eyeball training device and training method |
| CN110269789B (en) * | 2019-06-27 | 2021-10-22 | 中国人民解放军陆军特色医学中心 | Eyeball fixation training device and training method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080507 Termination date: 20100531 |