CN101828898A

CN101828898A - Dominant eye tester

Info

Publication number: CN101828898A
Application number: CN201010188855A
Authority: CN
Inventors: 李必华; 李勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-05-15
Filing date: 2010-05-15
Publication date: 2010-09-15

Abstract

The invention relates to a dominant eye tester. On the outer body of the tester, the middle part of the front surface is provided with a front observation hole, the middle upper part is provided with a laser light emitting hole, and the middle lower part of the back surface is provided with a laser light emitting hole; the right side is connected with a battery switch, the middle upper part of the inner surface at the upper side is connected with an upper laser light, the middle lower part of the inner surface at the lower side is connected with a lower laser light, and the inner surface at the right lower side is connected with double batteries; the double batteries, the battery switch, the upper laser light and the lower laser light are connected by using leads, and then the dominant eye tester is successfully assembled. When in use, a tested person selects an object or a character at a position 2.5-5 meters far from the tested person as a target and flatly lifts the tester; the eyes of the tested person watch the target through the front observation hole and a rear observation hole, then a light spot emitted by the upper laser light falls on the brow part above the dominant eye of the tested person, and the eye below the brow is the dominant eye. The dominant eye tester has the advantages of rapidity, accuracy and visualization, and can be understood and accepted by different people, thereby faults caused by human factors are eliminated.

Description

Dominant eye tester

Technical field

The present invention relates to eyes and look the optical tester field, be specifically related to dominant eye tester.

Background technology

People are when looking thing, and the eyes role is often inequality, and wherein a glance is often preponderated to a certain extent, the main burden person who becomes the location, causes fusion, and this eye is called the master and looks eye, also is leading eye.The main eye of looking is one of human more common laterality functional character.The main eye of looking can become, and the so-called main eye of looking is that brain mainly relies on this eye object, just as our hands, wants to take cup, and we get used to the main wherein hands of using.

This notion is proposed by Porta as far back as nineteen fifty-three, and according to its classification, some of them artificially left side master are looked eye, are designated as levorotation (L type), and other artificial right masters look eye, are designated as right type (R type).The research of looking eye mainly concentrated on oblique amblyopia and the mirror aspect is joined in optometry to leading in the past, relevant main inspection method of looking eye is reported less, and determine that the main eye of looking joins mirror to design, other selection of eye of operation eye and the optometry of the selection of strabotomy muscle, amount for surgical size and all have than the important clinical meaning, therefore select one simple, method and instrument that the inspection master of easy to understand and accuracy of judgement looks eye seem particularly important.Main traditional assay method of looking eye has following several:

The finger method: selecting a 5m vertical line at a distance is target, and this vertical line of binocular fixation stretches out right hand forefinger, makes finger block vertical line, at this moment closes eyes arbitrarily, and this eye was not the main eye of looking when finger departed from vertical line when certain eyes are opened;

4 instrument methods of Worth: the testee sits up straight before the comprehensive optometry instrument, the testee should fully be corrected on the comprehensive optometry instrument if any ametropia, 4 sighting targets of Worth are incident upon on the projector, the patient sees 4 sighting targets of Worth by the comprehensive optometry instrument, the white sighting target in below shows that as showing that red partially explanation right eye is the main eye of looking green partially explanation left eye is the main eye of looking.

Card hole method: the testee sits up straight and looks squarely, select 5m distant place one object as target, require testee's eyes to watch this object simultaneously attentively, both hands are flat then lifts test chart (a middle card that has diameter 3cm circle hole of 20cm * 13cm) and requires the testee from the hole sight line to be concentrated on the target, advise the patient's head and the sheet hands that holds to move, it is simple eye to hide the patient more respectively, can see that still the eye of target is the main eye of looking.

The finger method is more simple, does not need to check utensil, but finds sometimes, and relatively other two kinds of methods are difficult is understood by the patient for its, and the part patient usually regards a finger as two fingers and causes inspection to carry out;

4 instrument methods of Worth are understood because of being convenient to the child, thus comparatively suitable in child's eye muscle is checked, but this method needs specific inspection apparatus, lights a lamp as comprehensive optometry instrument or Worth four.It is to check a kind of method of feeling to melt picture that Worth four lights a lamp, checking the main subjective judgment of the result of its inspection at the moment of looking from the patient with it, the influence that it not only is subjected to the patient to feel, understand and judge, also be subjected to the interference of color, while inhibitory reaction, double image react, melt the picture reaction and also the result produced considerable influence, there is the part patient below seeing 4 sighting targets of Worth, can't provide the judgement of accurate unanimity in the white sighting target, they often complain that white sighting target reddens for a moment, turns green for a moment, sometimes a white sighting target are regarded as red green two.

Card hole method is simple and easy to do, and inspection method is also more easily understood by the patient, but also has following shortcoming: an observation port size, easily cause mistake from observing the far and near difference of eye; The 2nd, the examinee covered when simple eye unconscious the moving of head easily cause mistake; The 3rd, the patient expresses unclear or be beyond expression (as: child, dialect, deaf and dumb etc.) causes mistake; The 4th, optometrist should be observed tester's gesture actions, and to indicate distant object also will hide the tester again simple eye, and the abecedarian is often in a rush easily to make mistakes.

The above the main existing drawback of traditional assay method and defective of looking eye never has the solution of good technical scheme.

Summary of the invention

The purpose of this invention is to provide and a kind ofly be convenient for people to which eyes are main dominant eye testers of looking eye in measuring eyes, use this dominant eye tester, not only fast, accurately but also directly perceived, all kinds of crowds are readily appreciated that, accept.

For achieving the above object, dominant eye tester of the present invention is realized in the following manner: by the tester ectosome, go up radium-shine lamp, following radium-shine lamp, the binodal battery, cell switch and lead combine, establish preceding peephole at middle part, tester ectosome front, the back peephole is established in the back, before, the back peephole distance that is in line, the top is established and is beaten shot-light ejaculation hole in below the tester ectosome, the below is set radium-shine lamp and is penetrated the hole in the tester ectosome back side, tester ectosome right side connects cell switch, upside inner face middle and upper part connects goes up radium-shine lamp, downside inner face middle and lower part connects radium-shine lamp down, tester ectosome lower right side inner face connects the binodal battery, connect the binodal battery with lead, cell switch, go up radium-shine lamp, following radium-shine lamp, whole dominant eye tester is just assembled success.During use, the target of looking at gaging hole and 2.5 meters～5 meters connects being aligned after testee's two the pasts peephole, the warp, open cell switch, when the hot spot that radium-shine lamp penetrates under the testee sees from peephole just in time was radiated at and looks on the target, the hot spot of going up radium-shine lamp ejaculation will be radiated at testee's brows place, if impinge upon right eye brows place, testee's right eye is the main eye of looking, if be radiated at left eye brows place, testee's left eye is the main eye of looking, and measuring once only needed for 15 seconds.

Adopt structure of the present invention, its beneficial effect is: quick, accurate and directly perceived, different crowd is understood easily, is accepted, and has got rid of the human error factor.

The present invention is described in further detail below in conjunction with the drawings and specific embodiments.

Description of drawings

1. tester ectosomes are 2. gone up radium-shine lamp among the figure, 3. time radium-shine lamp, 4. binodal battery, 5. cell switch, 6. lead, 7. before peephole, 8. the back peephole is 9. gone up radium-shine lamp and is penetrated the hole, 10. time radium-shine lamp penetrates the hole.

Fig. 1 is the front elevation of dominant eye tester of the present invention;

Fig. 2 is the back view of dominant eye tester of the present invention;

Fig. 3 is the structure perspective view of dominant eye tester of the present invention.

The specific embodiment

Dominant eye tester of the present invention shown in Figure 1, peephole 7, middle and upper part are established radium-shine lamp and are penetrated hole 9 before establish at tester ectosome 1 positive middle part.

Dominant eye tester of the present invention shown in Figure 2 is set radium-shine lamp in middle and lower part, tester ectosome 1 back side and is penetrated hole 10.

Dominant eye tester of the present invention shown in Figure 3, tester ectosome 1 right side connects cell switch 5, upside inner face middle and upper part connects upward radium-shine lamp 2, the connection of downside inner face middle and lower part radium-shine lamp 3 down, tester ectosome 1 lower right side inner face connects binodal battery 4, connect binodal batteries 4, cell switch 5, last radium-shine lamp 2, following radium-shine lamp 3 with lead 6, dominant eye tester is assembled successfully.

During use, 2.5 meters～5 meters distant place one objects of tested person or literal are as target, and both hands are put down and lifted tester, and eyes are by fixation object in the forward and backward peephole, the hot spot of going up radium-shine lamp ejaculation promptly can drop on the brows place that testee master looks the eye top, and the eye of this brows below is the master and looks eye.

Claims

1. dominant eye tester, combine by tester ectosome, last radium-shine lamp, following radium-shine lamp, binodal battery, cell switch and lead, it is characterized in that: preceding peephole (7) is established at the positive middle part of tester ectosome (1), the middle and upper part is established radium-shine lamp and is penetrated hole (9), and middle and lower part, the back side is set radium-shine lamp and penetrated hole (10); The right side connects cell switch (5), and upside inner face middle and upper part connects goes up radium-shine lamp (2), and downside inner face middle and lower part connects radium-shine lamp (3) down, and the lower right side inner face connects binodal battery (4); Connect binodal battery (4), cell switch (5), last radium-shine lamp (2), following radium-shine lamp (3) with lead (6).