KR20230116287A - Instrument set for strabismus measurement - Google Patents

Abstract

The present invention relates to a set of instruments for measuring strabismus, and more particularly, by displaying a point where a test pointer appears as a dot in the direction of the wearer's left or right eye on goggles equipped with a curved lens, and confirming the coordinates of the corresponding point. It relates to a set of instruments for measuring strabismus capable of measuring the type and degree of strabismus of a wearer's left or right eye.

Description

Instrument set for strabismus measurement {INSTRUMENT SET FOR STRABISMUS MEASUREMENT}

The present invention relates to a set of instruments for measuring strabismus, and more particularly, by displaying a point where a test pointer appears as a dot in the direction of the wearer's left or right eye on goggles equipped with a curved lens, and confirming the coordinates of the corresponding point. It relates to a set of instruments for measuring strabismus capable of measuring the type and degree of strabismus of a wearer's left or right eye.

Strabismus refers to a condition in which the eyes are not aligned straight, and when looking at an object, one eye is directed towards the object, but the other eye is not.

These types of strabismus are estropia, exotropia, and hypertropia. It is classified in various ways depending on the cause, shape, and onset, such as hypotropia, primary strabismus, secondary strabismus, paralytic strabismus, non-paralytic strabismus, accommodative strabismus, non-accommodative strabismus, homeostatic strabismus, and intermittent strabismus.

In general, in order to examine strabismus, almost all ophthalmological examinations are required, tests are performed to determine whether there is a structural abnormality in the eye, and examinations are required to determine the type and degree of strabismus.

In particular, in the case of children, if the symptoms of strabismus are left unattended, even if they use glasses or lenses or undergo surgery as an adult, their eyesight will not come out properly, and they will see with only one eye and cannot feel the three-dimensional distance. The need exists.

Korean Registered Patent No. 10-2224209 proposes a technique for measuring the angle of view of a 3D target image that alternately blocks left-eye and right-eye images of a 3D target image and determines the gaze position by photographing the eyeball of the test subject. has been However, the prior art has a problem of having to go through a complicated process of determining the angle of deviation by repeatedly comparing target positions through image taking of both eyes of the subject to be examined.

Republic of Korea Patent Registration No. 10-2224209 (2021.03.02.)

The present invention was created to solve the above problems of the prior art, and the problem to be solved in the present invention is to display a point where the test pointer appears as a point in the direction of the left or right eye of the wearer wearing goggles, An object of the present invention is to provide a set of instruments for measuring strabismus capable of measuring the degree of strabismus of a wearer's left or right eye by a simple method of checking the coordinates of a point.

In order to solve the above problems, a set of instruments for measuring strabismus according to an embodiment of the present invention includes goggles provided with two curved lenses corresponding to the left eye and the right eye of the wearer; a bar-shaped test pointer that appears as a dot on the curved lens at a point parallel to the visual direction of the left or right eye of the wearer; and a goggles holder having means for checking the coordinates of the attachment point of the test pointer displayed on the curved lens, on which the goggles are seated.

In addition, the left eye lens and the right eye lens of the goggles are characterized in that they have a curvature and a predetermined distance to maintain an almost equal distance from the eyeball in all sections in which the wearer's eyeball moves.

In addition, the goggles may further include a distance adjusting means for adjusting a distance between the left eye lens and the right eye lens.

In addition, an ink marker for marking a point where the test pointer appears as a dot on the curved lens is provided at one end of the test pointer.

In addition, the goggles holder includes two convex protrusions having shapes corresponding to the inner curved surfaces of the left eye lens and the right eye lens of the goggles, and the convex protrusions are provided for checking the coordinates of the marking point on the left eye lens or the right eye lens. It is characterized in that the grid is designed.

In addition, the goggles holder has two concave depressions having a shape corresponding to the outer curved surfaces of the left eye lens and the right eye lens of the goggles, and the concave depression is to check the coordinates of the marking point on the left eye lens or the right eye lens. It is characterized in that a grid for is designed.

In addition, the test pointer is detachable on the curved lens, a coating layer containing iron (Fe) as one component is formed on the outer surface of the curved lens, and a magnet is provided at one end of the test pointer.

In addition, the goggles holder may include at least two coupling grooves for fixing and seating the goggles; and an optical scanner disposed at a position corresponding to at least one of the left eye lens and the right eye lens of the fixed goggles to derive a position of a marking point on the left eye lens or the right eye lens.

According to the embodiment of the present invention, as the goggle lens is formed in a curved surface, it is possible to maintain an almost equal distance from all surfaces of the goggle lens in every section in which the wearer's eyeball moves, so that the direction of the wearer's eyeball is directed at various angles compared to a flat lens. There are advantages that can be checked in .

In addition, a distance adjusting means for adjusting the distance between the left eye lens and the right eye lens of the goggles is provided, so that the distance between both eyes, which is different for each wearer, can be adjusted to adjust the size of the goggles according to the wearer's needs.

In addition, the type and degree of strabismus can be checked by a simple method of displaying a point where the test pointer appears as a dot on the goggle lens along the eye direction of the goggle wearer and checking the coordinates of the marked point on the goggle holder.

1 is a perspective view of an instrument set for measuring perspective according to a first embodiment of the present invention.
2 is a cross-sectional view of goggles of a set of instruments for measuring strabismus according to a first embodiment of the present invention, viewed from above.
FIG. 3(a) is a side view showing a state where a normal eyeball looks at the front with a test pointer of an instrument set for measuring strabismus according to a first embodiment of the present invention, and FIG. 3(b) is an embodiment of the present invention. It is a schematic diagram showing a state in which the point at which the strabismic eyeball looks is marked with the test pointer of the instrument set for measuring strabismus according to Example 1.
4 is a view showing a state in which a part of the goggles and the goggle holder of the instrument set for measuring strabismus according to the first embodiment of the present invention is cut.
5(a) is a side view showing a state where a normal eyeball looks forward is marked with a test pointer of a set of instruments for measuring strabismus in Example 2 of the present invention, and FIG. 3(b) is an embodiment of the present invention. It is a schematic diagram showing a state in which the point at which the strabismic eyeball looks is marked with the test pointer of the set of instruments for measuring strabismus according to 1.
6 is a view showing a state in which a part of the goggles and the goggle holder of the instrument set for measuring strabismus according to the second embodiment of the present invention is cut.
7 is a view showing a state in which a part of the goggles and the goggle holder of the instrument set for measuring strabismus according to Example 3 of the present invention is cut.

Hereinafter, with reference to the accompanying drawings, embodiments of the present invention will be described in detail so that those skilled in the art can easily carry out the present invention. However, this is not intended to limit the present invention to specific embodiments, and should be understood to include all modifications, equivalents, or substitutes included in the spirit and technical scope of the present invention.

In the entire specification, when a part is said to "comprise" or "include" a certain element, it means that it may further include other elements, not excluding other elements, unless otherwise stated. . In addition, terms such as "...unit", "...module" and "component" described in the specification mean a unit that processes at least one function or operation, which It may be implemented in hardware, software, or a combination of hardware and software.

In addition, although the term "embodiment" in this specification means the role of illustration, example, or illustration, the subject matter of the invention is not limited by such example. Also, "comprising", "comprising", "having" and other similar terms are used, but when used in the claims, they are used in the same sense as "comprising" as an open transition word.

The various techniques described herein may be implemented with hardware or software, or a combination of both, where appropriate. As used herein, the terms "Unit", "System", etc. are likewise equivalent to a computer-related entity, that is, hardware, a combination of hardware and software, software, or software in execution. can be handled For example, a program module may be composed of one component and equivalent or a combination of two or more components.

<Example 1>

1 is a perspective view of an instrument set for measuring strabismus according to a first embodiment of the present invention, FIG. 2 is a cross-sectional view of the goggles of the instrument set for measuring strabismus according to a first embodiment of the present invention as viewed from above, and FIG. 3 (a) is It is a side view showing a state in which a normal eyeball points to the front with a test pointer of an instrument set for measuring strabismus according to Example 1 of the present invention, and FIG. 3(b) is a strabismus measurement according to Example 1 of the present invention. It is a schematic view showing a state in which the point at which the strabismic eyeball is looking is marked with the test pointer of the instrument set, and FIG. It is a drawing showing the cut shape.

Referring to FIGS. 1 to 4 , the instrument set 1 for measuring strabismus according to the first embodiment of the present invention may include goggles 10 , a test pointer 20 and a goggle holder 30 .

The goggles 10 are worn on the wearer's head, and may include two curved lenses 11 and 12 corresponding to the wearer's left eye (LE) and right eye (RE).

In more detail, the two curved lenses 11 and 12 include a left eye lens 11 corresponding to the wearer's left eye LE and a right eye lens 12 corresponding to the right eye RE, and the left eye lens 11 And the right eye lens 12 may have a curvature and a preset distance r to maintain a substantially equal distance from the eyeballs LE and RE of the wearer in all sections in which the eyeballs LE and RE of the wearer move.

As shown in FIG. 1 , the left eye lens 11 and the right eye lens 12 may be formed in a hemispherical shape having a certain thickness and having an empty space therein. Accordingly, the wearer's left eye LE and right eye RE ) is able to maintain substantially equal intervals with all surfaces of the left eye lens 11 and the right eye lens 12.

However, the left eye lens 11 and the right eye lens 12 are not necessarily formed in a hemispherical shape, but can be changed into curved surfaces having various curvatures in consideration of the size and shape of each eyeball.

In order to keep the left eye lens 11 and the right eye lens 12 approximately equidistant from the eyeballs LE and RE, the preset interval r is the left eye lens LL and the right eye lens RL and the left eye lens 11. and the distance between the right eye lenses 12. For example, when the preset distance r is 5 cm, the wearer's focus can be most accurately aligned. It can be varied in various ways considering various factors such as thickness and the distance from the center point of the eyeball to the end of the lens.

The goggles 10 may include a distance adjusting means 13 for adjusting a distance between the left eye lens 11 and the right eye lens 12 .

In general, the average distance between both eyes of an adult is 62 to 65 mm, and the average distance between both eyes of a child is 56 to 60 mm. ), there is a need to adjust the distance between

For example, the distance adjusting means 13 may be provided as a lever for adjusting the distance between the left eye lens 11 and the right eye lens 12 . In more detail, a bridge connecting the left eye lens 11 and the right eye lens 12 and the distance adjusting unit 13 may be further provided, and a sliding groove is provided in the bridge to adjust the left eye lens 11 by adjusting the lever. ) or the right eye lens 12 may be movably installed along the sliding groove.

Also, the lever, the left eye lens 11 and the right eye lens 12 may be screwed together. More specifically, when the lever is rotated in one direction, the distance between the left eye lens 11 and the right eye lens 12 can be increased, and when the lever is rotated in the opposite direction, the left eye lens 11 and the right eye lens ( 12) The distance between them can be adjusted so that they are close to each other.

Preferably, the distance between the left eye lens 11 and the right eye lens 12 adjusted using the distance adjusting means 13 means a distance equal to the distance between both eyes of the wearer.

In addition, the distance between the left eye lens 11 and the right eye lens 12 adjusted using the distance adjusting means 13 is the center point of the wearer's eyes LE and RE and the center point of the left eye lens 11 and the right eye lens 12. This coincident interval may mean, and furthermore, may refer to an interval in which the center point of the normal eye and the center point of the left eye lens 11 or the right eye lens 12 of the wearer's eyes LE and RE coincide.

However, the distance adjusting means 13 is not limited to the above-described example, and can be varied with various means capable of adjusting the distance between the left eye lens 11 and the right eye lens 12 .

The test pointer 20 may be attached to the surfaces of the curved lenses 11 and 12 so as to appear as points on the curved lenses 11 and 12 at a point parallel to the visual direction of the wearer's left eye (LE) or right eye (RE). there is.

The test pointer 20 may be formed in a bar shape, and an ink marker 21 may be provided on the surfaces of the curved lenses 11 and 12 to mark a point at which the test pointer 20 appears as a dot. At this time, it is preferable that the curved lenses 11 and 12 are formed of a transparent material so that the direction of the wearer's left eye (LE) or right eye (RE) can be checked.

Referring to FIG. 3 (a), when the wearer's left eye (LE) is normal, the center of the left eye lens 11 can be accurately focused when the wearer looks at the front, and the test pointer 20 is the left eye lens 11 ) can be seen as a point at the center position.

When the wearer's left eye LE is strabismus as shown in FIG. 3(b), when the wearer looks forward, the focus may be focused on a location other than the center of the left eye lens 11. In this case, the test pointer 20 may be repeatedly displayed on the left eye lens 11 in order to find a point where the test pointer 20 appears as a dot in the wearer's line of sight.

For example, when the focus of the left eye LE is directed upward from the center on the left eye lens 11 as shown in FIG. ) can determine the degree of episopsis according to the positional coordinates shown as dots.

If the test pointer 20 is displayed on the curved lenses 11 and 12 at a position that does not coincide with the focus of the left eye LE or the right eye RE of the wearer, the test pointer 20 is tilted from the wearer's line of sight. It may appear rod-shaped. Therefore, while repeatedly displaying the test pointer 20 on the curved lenses 11 and 12, it is possible to find a point that exactly coincides with the wearer's line of sight.

The goggles cradle 30 may include means for checking the coordinates of attachment points of the test pointer 20 displayed on the curved lenses 11 and 12 on which the goggles 10 are seated.

More specifically, the goggle holder 30 may include two convex protrusions 31 and 32 having shapes corresponding to the inner curved surfaces of the left eye lens 11 and the right eye lens 12 of the goggles 10 . At this time, a grid G1 for checking coordinates of marking points on the left eye lens 11 or the right eye lens 12 may be designed on the convex protrusions 31 and 32 .

That is, when a point where the test pointer 20 is seen as a point is displayed on the curved lenses 11 and 12, the goggles 10 are placed on the convex protrusions 31 and 32 of the goggle holder 30 to obtain the coordinates of the marking point. can be checked.

<Example 2>

5(a) is a side view showing a state where a normal eyeball looks forward is marked with a test pointer of an instrument set for measuring strabismus in Example 2 of the present invention, and FIG. 3(b) is an embodiment of the present invention. It is a diagram schematically showing a state in which the point at which the strabismic eyeball is viewed is marked with the test pointer of the instrument set for measuring strabismus according to Example 1, and FIG. 6 is goggles and goggles of the instrument set for measuring strabismus according to Example 2 of the present invention. It is a drawing showing a state in which a part of the cradle has been cut.

Referring to FIGS. 5 and 6 , the set of instruments for measuring strabismus according to the second embodiment of the present invention may include goggles 100 , a test pointer 200 and a goggle holder 300 .

The goggles 100 have an overlapping configuration with the goggles 10 of Example 1, and in Example 2, the coating layer 111 containing iron (Fe) as one component on the outer surfaces of the curved lenses 110 and 120 of the goggles 100 , 121) can be formed.

The test pointer 200 may be detachably provided on the curved lenses 110 and 120 of the goggles 100 .

In more detail, one end of the test pointer 200 may be provided with a magnet 210 that can be attached to coating layers 111 and 121 containing iron (Fe) as one component.

Referring to FIG. 5 (a) , when the wearer's left eye (LE) is normal, the center of the left eye lens 110 can be accurately focused when the wearer looks at the front, and the test pointer 200 is the left eye lens 110 ) can be seen as a point at the center position.

As shown in FIG. 5(b) , when the wearer's left eye LE is strabismus, the focus may be focused on a location other than the center of the left eye lens 110 when the wearer looks forward. In this case, the test pointer 200 may be repeatedly attached to the left eye lens 110 to find a point where the test pointer 200 appears as a dot in the wearer's gaze.

In particular, as the coating layers 111 and 121 are formed on the curved lenses 110 and 120 and the magnet 210 is provided at one end of the test pointer 200, the curved lenses 110 and 120 and the test pointer 200 ), the test pointer 200 is not easily separated from the curved lenses 110 and 120 due to the magnetic force between the test pointer 200 and the point where the test pointer 200 is seen as a point can be found more accurately.

In addition, when the focus of the left eye LE is directed downward from the center on the left eye lens 110 as shown in FIG. 5 (b), it can be determined as hypotropia in which the eye goes down, and the test pointer ) can determine the degree of hastropia according to the positional coordinates shown as dots.

Meanwhile, the goggles holder 300 according to the second embodiment of the present invention includes two concave depressions 310 and 320 having shapes corresponding to the outer curved surfaces of the left eye lens 110 and the right eye lens 120 of the goggles 100. can be provided. At this time, a grid G2 for checking the coordinates of the marking point on the left eye lens 110 or the right eye lens 120 may be designed on the concave portions 310 and 320 .

That is, when a point where the test pointer 200 is seen as a point is displayed on the curved lenses 110 and 120, the goggles 100 are placed on the concave recesses 310 and 320 of the goggle holder 300 to determine the marking point. coordinates can be checked.

<Example 3>

7 is a view showing a state in which a part of the goggles and the goggle holder of the instrument set for measuring strabismus according to Example 3 of the present invention is cut.

Hereinafter, detailed descriptions of goggles and test pointers overlapping those of Embodiments 1 and 2 will be omitted.

Referring to FIG. 7 , the goggles cradle 3000 of the instrument set for measuring strabismus according to the third embodiment of the present invention includes two coupling grooves 3100 and 3200 for fixing and seating the goggles 1000, and a left eye lens 1100. ) or an optical scanner (S) for deriving the position of the marked point on the right eye lens 1200.

The coupling grooves 3100 and 3200 for fixing and seating the goggles 1000 are shown in the form of concave depressions corresponding to the outer curved surfaces of the left eye lens 1100 and the right eye lens 1200, but are not limited thereto and are not limited thereto. (1100) and a convex protrusion having a shape corresponding to the inner curved surface of the right eye lens (1200).

The optical scanner (S) is disposed at a position facing the left eye lens 1100 and the right eye lens 1200 to derive the position of the marking point displayed on the left eye lens 1100 or the right eye lens 1200, as shown As shown, it may be disposed at a position spaced apart from the left eye lens 1100 and the right eye lens 1200 by a predetermined distance (d).

The optical scanner S irradiates light or laser onto the surface of the left eye lens 1100 or the right eye lens 1200, measures the time for the light or laser to return, and measures the time between the left eye lens 1100 or the right eye lens 1200 and the measurement origin. As a technique for obtaining the distance of , as described above, it is preferable to dispose at a position spaced apart from the left eye lens 1100 and the right eye lens 1200 by a predetermined distance (d).

Although the above has been described with reference to several embodiments of the present invention, those skilled in the art can make the present invention within the scope not departing from the spirit and scope of the present invention described in the claims below. It will be appreciated that various modifications and variations may be made.

1: set of instruments for measuring strabismus
10, 100, 1000: goggles
20, 200: test pointer
21: ink marker
30, 300, 3000: goggles holder
111, 121: coating layer
210: magnet
G1, G2: Grid
S: optical scanner

Claims (8)

goggles equipped with two curved lenses corresponding to the wearer's left and right eyes;
a bar-shaped test pointer that appears as a dot on the curved lens at a point parallel to the visual direction of the left or right eye of the wearer; and
A goggles cradle having a means for checking the coordinates of the attachment point of the test pointer displayed on the curved lens on which the goggles are seated
A set of instruments for measuring strabismus including a. According to claim 1,
The left eye lens and the right eye lens of the goggles,
Characterized in that it has a curvature and a preset interval to maintain an almost equal distance from the eyeball in all sections where the wearer's eyeball moves
A set of instruments for measuring strabismus. According to claim 2,
The goggles,
Characterized in that it further comprises a distance adjusting means for adjusting the distance between the left eye lens and the right eye lens
A set of instruments for measuring strabismus. According to claim 1,
At one end of the test pointer,
Characterized in that an ink marker for marking a point where the test pointer appears as a point is provided on the curved lens
A set of instruments for measuring strabismus. According to claim 4,
The goggle holder,
Two convex protrusions having shapes corresponding to the inner curved surfaces of the left eye lens and the right eye lens of the goggles,
Characterized in that a grid for checking the coordinates of the marking point on the left eye lens or the right eye lens is designed on the convex protrusion
A set of instruments for measuring strabismus. According to claim 4,
The goggle holder,
Two concave depressions having shapes corresponding to the outer curved surfaces of the left eye lens and the right eye lens of the goggles,
Characterized in that a grid for checking the coordinates of the marking point on the left eye lens or the right eye lens is designed on the concave depression
A set of instruments for measuring strabismus. According to claim 1,
The test pointer is detachable on the curved lens,
A coating layer containing iron (Fe) as a component is formed on the outer surface of the curved lens, and a magnet is provided at one end of the test pointer
A set of instruments for measuring strabismus. According to claim 7,
The goggle holder,
at least two coupling grooves for fixing and seating the goggles; and
And an optical scanner disposed at a position corresponding to at least one of the left eye lens and the right eye lens of the fixed goggles to derive a position of a marking point on the left eye lens or the right eye lens.
A set of instruments for measuring strabismus.