CN214906728U - Strabismus detection device - Google Patents
Strabismus detection device Download PDFInfo
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- CN214906728U CN214906728U CN202120635755.4U CN202120635755U CN214906728U CN 214906728 U CN214906728 U CN 214906728U CN 202120635755 U CN202120635755 U CN 202120635755U CN 214906728 U CN214906728 U CN 214906728U
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Abstract
The utility model discloses a strabismus detection device relates to strabismus detection device, has solved the light reflection position and is difficult to measurationing or measure unsafe problem for the pupil position. The utility model discloses a device of tester's eyes sight state is measured for the cooperation to test frame and eye shadow ware (9), monitoring part (91) acquire tester's the eye image that is sheltered from, the tester supports on the top of pars contractilis (8), eye shadow ware (9) include multistage extending structure (93), multistage extending structure (93) are the structure of the height uniformity of the eye about cooperation pars contractilis (8) adjustment, the test frame acquires tester's the eye image that is not sheltered from; the blocked eye image acquired by the monitoring part (91) and the non-blocked eye image acquired by the image data acquisition part (1) of the tester are both sent to a display screen for display. The utility model discloses avoided different testers because of the influence of self subjective factor to the test.
Description
Technical Field
The utility model relates to a strabismus detection device, concretely relates to strabismus detection device.
Background
When a normal person looks at an object, the eyes on both sides are correctly aligned with the target. If only one eye is correctly aligned with the target and the other eye is not aligned with the target, a state of deviation to the inner side or the outer side occurs, which is called strabismus medically. Strabismus not only impairs the aesthetic appearance, but also easily causes amblyopia, and also loses the important function of monocular vision. Since it is difficult to obtain a single vision with both eyes after an adult, it is necessary to perform a treatment in the childhood, and it is necessary to detect strabismus in time.
The current methods for detecting strabismus are: inquiry for medical history, visual examination, refractive examination, covering test, examination of eyeball movement, examination of squint angle, etc. Wherein the hiding test can simply and accurately carry out qualitative inspection on the strabismus. However, this method is affected by subjective factors of the examiner. The vision, attention and actual event ability of the examiner affect the detection result. The oblique angle measurement method is an objective measurement method, and can measure the oblique angle of the patient (such as corneal reflection method). However, the corneal mapping method also has a problem that the mapping position is difficult to measure or inaccurate to measure relative to the pupil position during the test.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the device used in the method for detecting strabismus results in the light reflection position being difficult to measure or inaccurate to measure relative to the pupil position, the utility model provides a strabismus detection device for solving the above problems.
The utility model discloses a following technical scheme realizes:
the cornea light reflection position recording device comprises a display part, an eye shade, a test frame, a cornea light reflection position recording part and a data processing part, wherein the display part is a display screen, the cornea light reflection position recording part is an integral structure comprising an image data acquisition part and a sliding block on the test frame, and the data processing part is used for receiving data of a data transmission module and a data transmission part and combining the data into a complete image;
the detailed structure is as follows:
an strabismus detection device comprises a test jig, an eye shielding device and a display screen;
the testing jig and the eye shielding device are devices which are used for measuring the eye sight state of a tester in a matching way, the eye shielding device comprises an eye shielding part and a monitoring part arranged on the eye shielding part, the monitoring part acquires the shielded eye image of the tester, and the testing jig acquires the non-shielded eye image of the tester; the eye shield comprises a multistage telescopic structure, the multistage telescopic structure is matched with the telescopic part to adjust the height consistency of left and right eyes, and the part of the testing frame, which is used for acquiring the eye image of the tester, which is not shielded is the image data acquisition part; and the blocked eye image acquired by the monitoring part and the unblocked eye image of the tester acquired by the image data acquisition part are both sent to a display screen for display.
The image data acquisition part and the central axis of the telescopic part are on the same straight line and are both positioned on the central axis of the chute, two eye-of-the-needle cameras which are symmetrical about the central axis of the chute are arranged inside the outer side of the upper end of the image data acquisition part, the eye-of-the-needle cameras acquire the eye images of a tester which are not shielded, and the distance between the eye-of-the-needle cameras is the distance between two eyes of the tester.
The upper end of the image data acquisition part is provided with a transverse groove for placing the pinhole cameras and a corresponding limiting structure, the distance between the pinhole cameras is matched with the limiting structure through the transverse groove for use and adjustment, and the distance between the pinhole cameras is the same as the distance between two eyes of a tester.
The image data acquisition part further comprises an infrared lamp part, the infrared lamp part is arranged on a horizontal plane where the two pinhole cameras are located, and the infrared lamp part is located on a plane where the central axis of the sliding groove is located. The distance between the eye and the infrared lamp can be calculated by the two needle eye cameras through a binocular vision technology, and a tester can finely adjust the distance between the eye and the infrared lamp according to the distance data.
The image data acquisition part arranged on the sliding block slides in the test jig in a limiting manner through the matching between the sliding groove and the sliding block, the side surface of the test jig is also provided with a scale line part, the scale line part is arranged in the slidable range of the sliding block, and a scale is arranged on the scale line part.
The device also comprises a power supply part, a data transmission module and a power supply module; the power supply part and the data transmission part are sequentially arranged below the pinhole camera, and the power supply part supplies power to the data transmission part, the pinhole camera and the infrared lamp part; the data transmission part transmits the unobstructed eye image of the tester acquired by the pinhole camera to a display screen, wherein the power supply part is a rechargeable power supply with a power supply smaller than 36V;
the power module and the data transmission module are sequentially arranged below the multistage telescopic structure, the power module supplies power to the monitoring part and the data transmission module, and the data transmission module is used for transmitting the shielded eye images acquired by the monitoring part to the display screen.
When the covering test is carried out, the cover test is positioned at a specific test position. The cornea reflection position recording portion of the device can acquire an image of an unshielded eye (pupil, reflection) of the test person, and the eye shield of the device can acquire an image of a blocked eye (pupil) of the test person. The image data of the two parts are transmitted to the data processing part for processing, under the condition, the device can completely cover and reflect the eye movement of the tested person in the light test, and can record and backtrack in a video data mode without paying attention to the eye movement of the tested person constantly in the test process.
The data processing part is also used for providing digital eye movement data for the testee, so that the influence of subjective factors of different testees on the test is avoided, for example, the pupil moves to the right by X mm, real-time data marking display is carried out during image display, the distance and the direction from the pupil reflecting light to the middle of the pupil can be further calculated through image data processing, detailed reflecting light position numbers are provided for the testee, and the testee can make more accurate judgment on the strabismus number of the testee according to the data. Further, the positions of the reflection light and the pupil are recognized frame by frame, and the movement locus and the movement distance of the pupil, and the mutual position change (mutual direction angle and distance) between the pupil and the reflection light are calculated. And further carrying out single-eye covering, alternate double-eye covering and uncovered test scene recognition, carrying out data matching on the obtained data and the obtained scene, and displaying through a display part.
The detailed setup for the eye shield is as follows:
the monitoring part is a monitoring camera; the eye shield is designed to be hemispherical or other convex shape. Furthermore, a disposable shell with the same shape as the contact edge of the eye shade and human eyes can be designed, so that the eye shade is prevented from being repeatedly used by different people. The infrared monitoring camera is arranged in the middle of the inside of the eye shield and used for recording the motion state of the eyes covered by the eye shield. The lower part of the eye shade is connected with the multi-stage telescopic rod, and a user can adjust the length of the rope stem according to the self-service use habit. A power supply module and a data transmission module are designed at the bottom part of the rope rod, and the power supply module is a rechargeable power supply with a power supply smaller than 36V.
The detailed arrangement of the test rack is as follows:
the test jig includes chin rest, flexible part, scale mark line portion and test jig body, and the chin rest holds the tester chin when being used for the test, also plays the facial effect of location tester. The chin rest is connected with the body through the telescopic part, and the height can be adjusted according to the height of a tester. The eyes of the testee and the infrared lamp are ensured to be on the same horizontal line. The test rack body with the scale marks plays a role of fixing the test rack, is in clearance fit with the bottom of the cornea reflection position recording part, can slide relative to the test rack body, and is provided with the scale marks, so that the distance between an infrared lamp of the cornea reflection position recording part and the eyes of a tester can be adjusted.
The utility model discloses have following advantage and beneficial effect:
the utility model discloses a device need not the tester and pays close attention to the eye motion of measurand constantly in the test process, and the amount of eye exercise of measurand shows by datamation on the display screen, the utility model discloses a device provides detailed pupil reflection of light to distance and position data in the middle of the pupil, and the tester can be according to data to the squint degree number of measurand do more accurate judgement.
The utility model discloses avoided different testers because of the influence of self subjective factor to the test.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a schematic view of the present invention.
Fig. 2 is a schematic view of the eye shade of the present invention.
Reference numbers and corresponding part names in the drawings:
1. an image data acquisition section; 2. an infrared lamp section; 3. a power supply section; 4. a data transmission section; 5. a slider; 6. a chute; 7. a scale line portion; 8. a telescoping portion; 9. an eye shield; 91. a monitoring section; 92. an eye shield portion; 93. a multi-stage telescopic structure; 94. a power supply module; 95. and a data transmission module.
Detailed Description
Hereinafter, the terms "include" or "may include" used in various embodiments of the present invention indicate the existence of the functions, operations or elements of the present invention, and do not limit the addition of one or more functions, operations or elements. Furthermore, as used in various embodiments of the present invention, the terms "comprises," "comprising," "includes," "including," "has," "having" and their derivatives are intended to refer only to the particular feature, number, step, operation, element, component, or combination of the foregoing, and should not be construed as first excluding the existence of, or adding to, one or more other features, numbers, steps, operations, elements, components, or combination of the foregoing.
In various embodiments of the present invention, the expression "or" at least one of a or/and B "includes any or all combinations of the words listed simultaneously. For example, the expression "a or B" or "at least one of a or/and B" may include a, may include B, or may include both a and B.
Expressions (such as "first", "second", and the like) used in various embodiments of the present invention may modify various constituent elements in various embodiments, but may not limit the respective constituent elements. For example, the above description does not limit the order and/or importance of the elements described. The foregoing description is for the purpose of distinguishing one element from another. For example, the first user device and the second user device indicate different user devices, although both are user devices. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of various embodiments of the present invention.
It should be noted that: if it is described that one constituent element is "connected" to another constituent element, the first constituent element may be directly connected to the second constituent element, and a third constituent element may be "connected" between the first constituent element and the second constituent element. In contrast, when one constituent element is "directly connected" to another constituent element, it is understood that there is no third constituent element between the first constituent element and the second constituent element.
The terminology used in the various embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the various embodiments of the invention. As used herein, the singular forms are intended to include the plural forms as well, unless the context clearly indicates otherwise. Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the various embodiments of the present invention belong. The terms (such as those defined in commonly used dictionaries) should be interpreted as having a meaning that is consistent with their contextual meaning in the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein in various embodiments of the present invention.
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
The cornea light reflection position detection device comprises a display part, an eye shielding device 9, a test frame, a cornea light reflection position recording part and a data processing part, wherein the display part is a display screen, the cornea light reflection position recording part is an integral structure comprising an image data acquisition part 1 and a sliding block 5 on the test frame, and the data processing part is used for receiving data of a data transmission module 95 and a data transmission part 4 and combining the data into a complete image;
the detailed structure is as follows:
an strabismus detection device, as shown in fig. 1-2, comprises a test frame, an eye shielding device 9 and a display screen;
the testing jig and the eye shielding device 9 are devices which are used for measuring the eye sight state of a tester in a cooperative action mode, the eye shielding device 9 comprises an eye shielding part 92 and a monitoring part 91 arranged on the eye shielding part 92, the monitoring part 91 acquires an image of shielded eyes of the tester, and the testing jig acquires an image of non-shielded eyes of the tester; the testing jig comprises a sliding groove 6 and a sliding block 5, an image data acquisition part 1 is arranged on the sliding block 5, a telescopic part 8 is arranged at one end of the sliding groove 6, a tester props against the top end of the telescopic part 8, the eye shielding device 9 comprises a multi-stage telescopic structure 93, the multi-stage telescopic structure 93 is a structure which is matched with the telescopic part 8 to adjust the height consistency of left and right eyes, and the part of the testing jig, which acquires the eye image of the tester which is not shielded, is the image data acquisition part 1; the blocked eye image acquired by the monitoring part 91 and the unblocked eye image of the tester acquired by the image data acquisition part 1 are both sent to a display screen for display.
Preferably, the central axes of the image data acquisition part 1 and the telescopic part 8 are on the same straight line and are both located on the central axis of the chute 6, two eye-of-the-needle cameras symmetrical about the central axis of the chute 6 are arranged inside the outer side of the upper end of the image data acquisition part 1, the eye-of-the-needle cameras collect the eye images of the testee which are not shielded, and the distance between the eye-of-the-needle cameras is the distance between the two eyes of the testee.
Preferably, the upper end of the image data acquisition part 1 is provided with a transverse groove for placing the pinhole cameras and a corresponding limiting structure, the distance between the pinhole cameras is matched with the limiting structure through the transverse groove for use and adjustment, and the distance between the two pinhole cameras is the same as the distance between the two eyes of the tester.
Preferably, the image data acquisition part 1 further comprises an infrared lamp part 2, the infrared lamp part 2 is arranged on a horizontal plane where the two pinhole cameras are located, and the infrared lamp part 2 is located on a plane where the central axis of the chute 6 is located. The distance between the eye and the infrared lamp can be calculated by the two needle eye cameras through a binocular vision technology, and a tester can finely adjust the distance between the eye and the infrared lamp according to the distance data.
Preferably, the image data acquisition part 1 arranged on the sliding block 5 slides in the test jig in a limiting manner through the matching between the sliding groove 6 and the sliding block 5, the side surface of the test jig is further provided with a scale mark part 7, the scale mark part 7 is arranged in the range in which the sliding block 5 can slide, and the scale mark part 7 is provided with a scale.
Preferably, the device also comprises a power supply part 3, a data transmission part 4, a data transmission module 95 and a power supply module 94; the power supply part 3 and the data transmission part 4 are sequentially arranged below the pinhole camera, and the power supply part 3 supplies power to the data transmission part 4, the pinhole camera and the infrared lamp part 2; the data transmission part 4 transmits the unobstructed eye image of the tester acquired by the pinhole camera to a display screen, wherein the power supply part 3 is a rechargeable power supply with a power supply smaller than 36V;
preferably, the power module 94 and the data transmission module 95 are sequentially disposed below the multi-stage telescopic structure 93, the power module 94 supplies power to the monitoring part 91 and the data transmission module 95, and the data transmission module 95 is configured to transmit the blocked eye image collected by the monitoring part 91 to the display screen.
Preferably, the masking test is performed at a specific test position. The cornea reflection position recording portion of the device can acquire an image of the unshielded eye (pupil, reflection) of the test person, and the eye mask 9 of the device can acquire an image of the shielded eye (pupil) of the test person. The image data of the two parts are transmitted to the data processing part for processing, under the condition, the device can completely cover and reflect the eye movement of the tested person in the light test, and can record and backtrack in a video data mode without paying attention to the eye movement of the tested person constantly in the test process.
Preferably, the data processing part is also used for providing digital eye movement data for the testee, so that the influence of subjective factors of different testees on the test is avoided, for example, the pupil moves by X mm rightwards, real-time data scoring display is carried out during image display, the distance and the direction between the pupil reflection light and the pupil can be further calculated through image data processing, detailed reflection position numbers are provided for the testee, and the testee can make more accurate judgment on the strabismus number of the testee according to the data. Further, the positions of the reflection light and the pupil are recognized frame by frame, and the movement locus and the movement distance of the pupil, and the mutual position change (mutual direction angle and distance) between the pupil and the reflection light are calculated. And further carrying out single-eye covering, alternate double-eye covering and uncovered test scene recognition, carrying out data matching on the obtained data and the obtained scene, and displaying through a display part.
Preferably, the detailed settings for the eye shield 9 are as follows:
the monitoring part 91 is a monitoring camera; the eye shield is designed to be hemispherical or other convex shape. Furthermore, a disposable shell with the same shape as the contact edge of the eye shade and human eyes can be designed, so that the eye shade is prevented from being repeatedly used by different people. The infrared monitoring camera is arranged in the middle of the inside of the eye shield and used for recording the motion state of the eyes covered by the eye shield. The lower part of the eye shade is connected with the multi-stage telescopic rod, and a user can adjust the length of the rope stem according to the self-service use habit. The bottom part of the rope pole is provided with a power supply module 94 and a data transmission module 95, and the power supply module 94 is a rechargeable power supply with a power supply smaller than 36V.
The detailed arrangement of the test rack is as follows:
the test jig includes chin strap, flexible part 8, scale mark line portion 7 and test jig body, and the chin strap holds the tester chin when being used for the test, also plays the facial effect of location tester. The chin rest is connected with the body through the telescopic part 8, and the height of the chin rest can be adjusted according to the height of a tester. The eyes of the testee and the infrared lamp are ensured to be on the same horizontal line. The test rack body with the scale marks plays a role of fixing the test rack, is in clearance fit with the bottom of the cornea reflection position recording part, can slide relative to the test rack body, and is provided with the scale marks, so that the distance between an infrared lamp of the cornea reflection position recording part and the eyes of a tester can be adjusted. The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. An strabismus detection device is characterized by comprising a test frame, an eye shielding device (9) and a display screen;
the testing jig and the eye shielding device (9) are devices which are used for measuring the eye sight state of a tester in a matching mode, the eye shielding device (9) comprises an eye shielding part (92) and a monitoring part (91) arranged on the eye shielding part (92), the monitoring part (91) acquires an image of shielded eyes of the tester, and the testing jig acquires an image of the unshielded eyes of the tester;
the testing frame comprises a sliding groove (6) and a sliding block (5), an image data acquisition part (1) is arranged on the sliding block (5), a telescopic part (8) is arranged at one end of the sliding groove (6), a tester is supported at the top end of the telescopic part (8), the eye shielding device (9) comprises a multi-stage telescopic structure (93), the multi-stage telescopic structure (93) is a structure which is matched with the telescopic part (8) to adjust the height consistency of left and right eyes, and the part of the testing frame, which acquires the eye image of the tester which is not shielded, is the image data acquisition part (1);
the blocked eye image acquired by the monitoring part (91) and the non-blocked eye image acquired by the image data acquisition part (1) of the tester are both sent to a display screen for display.
2. The strabismus detection device according to claim 1, wherein the image data acquisition part (1) and the central axis of the telescopic part (8) are on the same straight line and are both located on the central axis of the chute (6), two pinhole cameras symmetrical about the central axis of the chute (6) are arranged inside the outer side of the upper end of the image data acquisition part (1), the pinhole cameras acquire the unobstructed eye images of the testee, and the distance between the pinhole cameras is the distance between the eyes of the testee.
3. The strabismus detection device according to claim 2, wherein a transverse groove for placing the needle eye cameras and a corresponding limiting structure are arranged at the upper end of the image data acquisition part (1), the distance between the needle eye cameras is adjusted by matching the transverse groove and the limiting structure, and the distance between the two needle eye cameras is the same as the distance between the two eyes of the tester.
4. The strabismus detection device according to claim 2, wherein the image data acquisition part (1) further comprises an infrared light part (2), the infrared light part (2) is arranged on the horizontal plane where the two eye-of-the-needle cameras are located, and the infrared light part (2) is located on the plane where the central axis of the chute (6) is located.
5. The strabismus detection device according to claim 1, wherein the image data acquisition part (1) arranged on the sliding block (5) slides in the test frame in a limited way through the matching between the sliding groove (6) and the sliding block (5), the side surface of the test frame is further provided with a scale line part (7), the scale line part (7) is arranged in the range in which the sliding block (5) can slide, and a scale is arranged on the scale line part (7).
6. An strabismus detection device according to claim 4, further comprising a power supply section (3), a data transmission section (4), a data transmission module (95) and a power supply module (94);
the power supply part (3) and the data transmission part (4) are sequentially arranged below the pinhole camera, and the power supply part (3) supplies power to the data transmission part (4), the pinhole camera and the infrared lamp part (2);
the data transmission part (4) transmits the unoccluded eye image of the tester acquired by the pinhole camera to a display screen;
the power module (94) and the data transmission module (95) are sequentially arranged below the multi-stage telescopic structure (93), the power module (94) supplies power to the monitoring part (91) and the data transmission module (95), and the data transmission module (95) is used for transmitting the sheltered eye image collected by the monitoring part (91) to the display screen.
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| CN202120635755.4U CN214906728U (en) | 2021-03-29 | 2021-03-29 | Strabismus detection device |
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| CN202120635755.4U CN214906728U (en) | 2021-03-29 | 2021-03-29 | Strabismus detection device |
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