A telescope for checking and training low vision eccentric gaze

Abstract

The present invention discloses a telescope for low vision eccentric gaze inspection and training, comprising a trial frame, a first transparent clip and a second transparent clip, a partition is fixedly connected to the middle end of the inner surface of the trial frame, and the left and right sides of the partition and the left and right sides of the inner cavity of the trial frame are movably connected with screws through bearings, an adjustment knob is fixedly connected to the outer side of the screw, and a threaded barrel is threadedly connected to the outer surface of the screw, and a lens frame is fixedly connected to the bottom of the threaded barrel. The present invention is provided with a trial frame, a partition, a screw, an adjustment knob, a slide groove and a threaded barrel, which can achieve the purpose of adjusting the pupil distance, the length of the temple and the angle of the nose pad, a trial lens is provided, which can meet the needs of conventional refractive correction, a monocular telescope is provided, which can play the role of fixing the focal length and magnification, a distance calibration ruler is provided, which can play the role of measuring and inspecting the distance and assembling the sight mark card, and a sight mark card is provided, which can play the role of eccentric gaze inspection and training.

Description

Technical Field

[0001] The invention relates to the technical field of vision training, in particular to a telescope for low vision eccentric gaze inspection and training. Background Art

[0002] At present, the commonly used clinical method for evaluating the eccentric fixation point of low vision patients with non-central fixation is to use a microperimeter. The microperimeter is expensive, large and not portable. Not every medical institution or rehabilitation institution can purchase it, and it is not suitable for outdoor screening. Secondly, the microperimeter has high technical requirements for the operator and the diagnoser. Usually, the operator needs to undergo special targeted training before he can operate the machine. In view of the above reasons, on the one hand, due to the price of the instrument, many medical or rehabilitation institutions cannot purchase and equip the microperimeter, and due to its large size and non-portability, it is not suitable for outdoor screening. On the other hand, due to the particularity of the instrument, many medical or rehabilitation institutions do not have professionals who can operate and use the perimeter, and they also lack professionals who can formulate personalized rehabilitation training plans based on the results of the microperimeter examination. In response to the above problems, we designed a telescope for low vision eccentric fixation examination and training. Summary of the invention

[0003] The object of the present invention is to provide a telescope for low vision eccentric gaze inspection and training to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a telescope for low vision eccentric gaze inspection and training, comprising a trial frame, a first transparent clip and a second transparent clip, a partition is fixedly connected to the middle end of the inner surface of the trial frame, and the left and right sides of the partition and the left and right sides of the inner cavity of the trial frame are movably connected to screws through bearings, an adjustment knob is fixedly connected to the outer side of the screw, and a threaded barrel is threadedly connected to the outer surface of the screw, a lens frame is fixedly connected to the bottom of the threaded barrel, and a sliding groove is provided at the connection between the trial frame and the lens frame, and the inner surface of the lens frame is provided with a There are trial lenses, and a protective layer is arranged on the outer side of the trial lenses. At the same time, the protective layer includes ATO antistatic coating, aluminum oxide coating and AF anti-fingerprint coating. The outer side of the lens frame is provided with temples with adjustable lengths. The middle end of the bottom of the trial frame is provided with an adjustable height nose pad bracket, and nose pads are arranged on the left and right sides of the bottom of the adjustable height nose pad bracket. A distance calibration ruler is arranged at the bottom of the right side of the first transparent clip, and a sliding sleeve is slidably connected to the outer surface of the distance calibration ruler. At the same time, a sight mark card is arranged at the bottom of the sliding sleeve, and a monocular telescope is arranged at the right end of the bottom of the second transparent clip.

[0005] Preferably, the first transparent clip and the second transparent clip are both of "U"-shaped structure, and the first transparent clip and the second transparent clip are both made of polycarbonate plastic plate.

[0006] Preferably, the sight card includes a clock diagram and a coordinate diagram.

[0007] Preferably, the magnification of the monocular telescope is 2X, 4X, 6X and 8X.

[0008] Preferably, the distance calibration ruler is a square structure, and a scale is provided on the front surface of the distance calibration ruler.

[0009] Preferably, the ATO antistatic coating is coated on the outer side of the trial lens, the aluminum oxide coating is coated on the outer side of the ATO antistatic coating, and the AF anti-fingerprint coating is coated on the outer side of the aluminum oxide coating.

[0010] Preferably, the thicknesses of the ATO antistatic coating, the aluminum oxide coating and the AF anti-fingerprint coating are the same, and the thickness of the AF anti-fingerprint coating is eighty to one hundred and fifty microns.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] The present invention is provided with a trial glasses frame, a partition, a screw, an adjustment knob, a slide groove and a threaded barrel, which can achieve the purpose of adjusting the pupil distance, the length of the temples and the angle of the nose pad; a trial lens is provided to meet the needs of conventional refractive correction; a monocular telescope is provided to fix the focal length and the magnification; a distance calibration ruler is provided to measure the inspection distance and assemble the sight card; a sight card is provided to check and train eccentric gaze, thereby achieving affordable price, small size and portability, and simplified use process, so that more medical and rehabilitation institutions can still provide eccentric gaze inspection and training for low vision patients when there is a lack of professional equipment or special training personnel or in the process of mobile screening and diagnosis, so as to improve the rehabilitation efficiency of visually impaired patients with eccentric gaze; a protective layer including an ATO antistatic coating, an aluminum oxide coating and an AF anti-fingerprint coating is provided, wherein the AF anti-fingerprint coating can prevent fingerprints from remaining on the surface of the trial lens, the aluminum oxide coating can play a wear-resistant and high-temperature resistant protection role after the AF anti-fingerprint coating is damaged, and the ATO antistatic coating can improve the overall antistatic property of the trial lens. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the trial lens frame of the present invention;

[0014] Figure 2 This is a schematic diagram of the first transparent clip structure of the present invention;

[0015] Figure 3 This is a schematic diagram of the second transparent clip structure of the present invention;

[0016] Figure 4 This is a schematic diagram of the structure of the trial lens of the present invention;

[0017] Figure 5 This is a schematic diagram of the protective layer structure of the present invention;

[0018] Figure 6 It is a schematic diagram of the cross-sectional structure of the trial glasses frame of the present invention.

[0019] In the figure: 1 trial frame, 2 temples with adjustable length, 3 adjustment knobs, 4 nose pad bracket with adjustable height, 5 trial lenses, 6 nose pads, 7 first transparent clip, 8 distance calibration ruler, 9 sliding sleeve, 10 sight card, 11 second transparent clip, 12 monocular telescope, 13 lens frame, 14 protective layer, 141 ATO antistatic coating, 142 alumina coating, 143 AF anti-fingerprint coating, 15 slide groove, 16 threaded barrel, 17 partition, 18 screw. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0022] The trial frame 1, adjustable-length temples 2, adjustment knobs 3, adjustable-height nose pad brackets 4, trial lenses 5, nose pads 6, first transparent clips 7, distance calibration rulers 8, sliding sleeves 9, sight card 10, second transparent clips 11, monocular telescopes 12, lens frames 13, protective layers 14, ATO antistatic coatings 141, alumina coatings 142, AF anti-fingerprint coatings 143, slide grooves 15, threaded barrels 16, partitions 17 and screws 18 of the present application are all universal standard parts or parts known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or through conventional experimental methods.

[0023] See also Figure 1-6A telescope for low vision eccentric gaze inspection and training, comprising a trial frame 1, a first transparent clip 7 and a second transparent clip 11, a partition 17 is fixedly connected to the middle end of the inner surface of the trial frame 1, and the left and right sides of the partition 17 and the left and right sides of the inner cavity of the trial frame 1 are movably connected with a screw 18 through a bearing, an outer side of the screw 18 is fixedly connected with an adjustment knob 3, and the outer surface of the screw 18 is threadedly connected with a threaded barrel 16, and the bottom of the threaded barrel 16 is fixedly connected with a lens frame 13, so as to achieve the purpose of adjusting the pupil distance, the length of the temples and the angle of the nose pad 6, and a slide groove 15 is provided at the connection between the trial frame 1 and the lens frame 13, and the inner surface of the lens frame 13 is movably connected with a screw 18. The surface of the trial lens 5 is provided with a trial lens 5, which can meet the needs of conventional refractive correction, and the outer side of the trial lens 5 is provided with a protective layer 14. At the same time, the protective layer 14 includes an ATO antistatic coating 141, an aluminum oxide coating 142 and an AF anti-fingerprint coating 143. The AF anti-fingerprint coating 143 can prevent fingerprints from remaining on the surface of the trial lens 5. The aluminum oxide coating 142 can play a wear-resistant and high-temperature resistant protection role after the AF anti-fingerprint coating 143 is damaged. The ATO antistatic coating 141 can improve the overall antistatic property of the trial lens 5. The ATO antistatic coating 141 is coated on the outer side of the trial lens 5, and the aluminum oxide coating 142 is coated on the ATO antistatic coating 14 1, and the AF anti-fingerprint coating 143 is coated on the outside of the aluminum oxide coating 142, the thickness of the ATO antistatic coating 141, the aluminum oxide coating 142 and the AF anti-fingerprint coating 143 are the same, and the thickness of the AF anti-fingerprint coating 143 is 80 to 150 microns, the outer side of the lens frame 13 is provided with an adjustable length of the temple 2, the middle end of the bottom of the trial frame 1 is provided with an adjustable height nose support bracket 4, and the left and right sides of the bottom of the adjustable height nose support bracket 4 are provided with nose pads 6, the bottom of the right side of the first transparent clip 7 is provided with a distance calibration ruler 8, which can be used to measure and check the distance and assemble the sight card 10, and the distance calibration ruler 8 The outer surface of the slide sleeve 9 is slidably connected with the slide sleeve 9. At the same time, a sight card 10 is arranged at the bottom of the slide sleeve 9, which can play the role of eccentric gaze inspection and training. A monocular telescope 12 is arranged at the right end of the bottom of the second transparent clip 11, which can play the role of fixing the focal length and magnification. The first transparent clip 7 and the second transparent clip 11 are both "U"-shaped structures, and the materials of the first transparent clip 7 and the second transparent clip 11 are both polycarbonate plastic plates. The sight card 10 includes a clock diagram and a coordinate diagram. The magnification of the monocular telescope 12 is 2X, 4X, 6X and 8X. The distance calibration ruler 8 is a square structure, and a scale is arranged on the front surface of the distance calibration ruler 8.

[0024] When in use, the parameters of the trial glasses frame 1 suitable for the examinee are adjusted by adjusting the pupil distance, the length of the temples and the angle of the nose pad 6 (the specific adjustment method is: turn the adjustment knob 3 by hand, the adjustment knob 3 drives the screw 18 to rotate, the screw 18 drives the threaded barrel 16 to move, and the distance between the two lens frames 13 is changed through the cooperation of the partition 17 and the slide groove 15). The prescription after medical optometry can be loaded on the lens frame 13 through the trial lens 5. According to the fitting result of the visual aid, the eye with better corrected vision is equipped with a monocular telescope 12 of appropriate magnification, and the distance calibration ruler 8 and the sight card 10 are assembled at a suitable distance for inspection and training. By looking at the sight card 10 through the monocular telescope 12, the examinee can magnify and look at the target object, but the viewing range will be reduced. By using the monocular telescope 12, the viewed object can be magnified and the edge range of the dark spot in the field of vision can be more easily clarified. By using the monocular telescope 12, the viewed object can be magnified and the edge range of the dark spot in the field of vision can be more easily clarified. The scope of the object viewed by the telescope 12 will become smaller, which is more conducive to reducing the influence of the surrounding environment on low vision patients with eccentric gaze during rehabilitation training, thereby achieving affordable price, small size and portability, and simplified use process, so that more medical and rehabilitation institutions can still provide eccentric gaze examination and training for low vision patients when there is a lack of professional equipment or special training personnel or in the process of mobile screening and treatment, so as to improve the rehabilitation efficiency of visually impaired patients with eccentric gaze. A protective layer 14 including an ATO antistatic coating 141, an aluminum oxide coating 142 and an AF anti-fingerprint coating 143 is provided, wherein the AF anti-fingerprint coating 143 can prevent fingerprints from remaining on the surface of the trial lens 5, the aluminum oxide coating 142 can play a wear-resistant and high-temperature resistant protection role after the AF anti-fingerprint coating 143 is damaged, and the ATO antistatic coating 141 can improve the overall antistatic property of the trial lens 5.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A telescope for low vision eccentric gaze testing and training, comprising a trial frame (1), a first transparent clip (7) and a second transparent clip (11), Features: A partition (17) is fixedly connected to the middle end of the inner surface of the trial frame (1), and the left and right sides of the partition (17) and the left and right sides of the inner cavity of the trial frame (1) are movably connected to screw rods (18) through bearings. An adjusting knob (3) is fixedly connected to the outer side of the screw rod (18), and a threaded barrel (16) is threadedly connected to the outer surface of the screw rod (18). A lens frame (13) is fixedly connected to the bottom of the threaded barrel (16), and a sliding groove (15) is provided at the connection between the trial frame (1) and the lens frame (13). A trial lens (5) is provided on the inner surface of the lens frame (13), and a protective layer (14) is provided on the outer side of the trial lens (5). At the same time, the protective layer (14) The invention comprises an ATO antistatic coating (141), an aluminum oxide coating (142) and an AF anti-fingerprint coating (143); the outer side of the lens frame (13) is provided with a temple (2) of adjustable length; the middle end of the bottom of the trial frame (1) is provided with a nose support bracket (4) of adjustable height; nose pads (6) are provided on both the left and right sides of the bottom of the nose support bracket (4) of adjustable height; a distance calibration ruler (8) is provided at the bottom of the right side of the first transparent clip (7); the outer surface of the distance calibration ruler (8) is slidably connected with a sliding sleeve (9); at the same time, a sight mark card (10) is provided at the bottom of the sliding sleeve (9); and a monocular telescope (12) is provided at the right end of the bottom of the second transparent clip (11).

2. A telescope for low vision eccentric gaze examination and training according to claim 1, Features: The first transparent clip (7) and the second transparent clip (11) are both U-shaped structures, and the first transparent clip (7) and the second transparent clip (11) are both made of polycarbonate plastic plates.

3. A telescope for low vision eccentric gaze examination and training according to claim 1, Features: The sight card (10) comprises a clock diagram and a coordinate diagram.

4. A telescope for low vision eccentric gaze examination and training according to claim 1, Features: The magnification of the monocular telescope (12) is 2X, 4X, 6X and 8X.

5. A telescope for low vision eccentric gaze examination and training according to claim 1, Features: The distance calibration ruler (8) is a square structure, and a scale is arranged on the front surface of the distance calibration ruler (8).

6. A telescope for low vision eccentric gaze testing and training according to claim 1, Features: The ATO antistatic coating (141) is coated on the outer side of the trial lens (5), the aluminum oxide coating (142) is coated on the outer side of the ATO antistatic coating (141), and the AF anti-fingerprint coating (143) is coated on the outer side of the aluminum oxide coating (142).

7. A telescope for low vision eccentric gaze testing and training according to claim 1, Features: The thicknesses of the ATO antistatic coating (141), the aluminum oxide coating (142) and the AF anti-fingerprint coating (143) are the same, and the thickness of the AF anti-fingerprint coating (143) is 80 to 150 micrometers.

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