CN114224281B - Eye visual field detection device and method - Google Patents
Eye visual field detection device and method Download PDFInfo
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- CN114224281B CN114224281B CN202111631165.5A CN202111631165A CN114224281B CN 114224281 B CN114224281 B CN 114224281B CN 202111631165 A CN202111631165 A CN 202111631165A CN 114224281 B CN114224281 B CN 114224281B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/02—Subjective types, i.e. testing apparatus requiring the active assistance of the patient
- A61B3/024—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for determining the visual field, e.g. perimeter types
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/0016—Operational features thereof
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/0083—Apparatus for testing the eyes; Instruments for examining the eyes provided with means for patient positioning
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- Eye Examination Apparatus (AREA)
Abstract
The invention relates to an eye visual field detection device, which comprises a buoyancy lifting bracket, a perimeter and a detection helmet; an observation opening is formed in the detection helmet, an observation eyepiece extending into the observation opening is arranged on the perimeter, and the width of the observation eyepiece is matched with the width of the observation opening; the bottom surface of the observation opening is provided with a strip-shaped electromagnet, a driving gear and a manual adjusting piece; a strip-shaped iron piece and a rack are arranged on the bottom surface of the observation eyepiece; the floating support is provided with a floating part positioned above the perimeter, and the floating part is provided with a traction rope connected with the perimeter and an air floating unit for providing floating tension for the traction rope; rely on and detect that the helmet comes spacing to human head, on the perimeter lug connection detected the helmet to the traction force that relies on the air supporting unit comes to removing the most weight of perimeter to offsetting, just so makes the perimeter can remove along with rocking of human head, has weakened because of the head rocks the interference that brings, and it is also comparatively convenient to use simultaneously.
Description
Technical Field
The invention relates to the technical field of visual field detection, in particular to an eye visual field detection device and method.
Background
The visual field is vision beyond the fovea of the macula, also called peripheral vision, i.e. the spatial range perceived by one eye looking straight ahead; visual field examination is commonly used for physical examination by special professionals, and suspected or confirmed diagnosis of visual function, macular disease, neurological disorders or visual pathway disorders in glaucoma patients; there are methods such as dynamic visual field inspection (e.g., contrast visual field inspection, arc visual field inspection, flat visual field screen inspection, Goldmann 940 type visual field inspection), static visual field inspection (e.g., multi-point static visual field inspection, single-point static visual field inspection, static quantitative visual field inspection), Amsler's square table inspection, and Taxiu's visual field inspection;
the perimeter is an essential device for detecting the visual field, however, most of the improvement directions of the perimeter pay attention to the treatment that the human eyes are deviated after being stimulated, the stress shaking condition of the human head along with the stimulation is ignored, and an eye visual field detection device capable of weakening the influence of the shaking condition is needed.
Disclosure of Invention
The present invention is directed to an apparatus and a method for detecting an eye field, which are used to solve the above-mentioned problems of the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
constructing an eye visual field detection device, wherein the eye visual field detection device comprises a floating support, a perimeter and a detection helmet; the detection helmet is provided with an observation opening, the observation opening is communicated with the front side and the upper end of the detection helmet, the perimeter is provided with an observation eyepiece which extends into the observation opening, and the width of the observation eyepiece is matched with the width of the observation opening; the bottom surface of the observation opening is provided with a strip-shaped electromagnet, a driving gear and a manual adjusting piece for adjusting the driving gear; the bottom surface of the observation eyepiece is provided with a bar-shaped iron piece correspondingly adsorbed to the bar-shaped electromagnet and a rack corresponding to the driving gear; the buoyancy lifting support is provided with a buoyancy lifting part located above the perimeter, and the buoyancy lifting part is provided with a traction rope connected with the perimeter and an air floatation unit providing floating tension for the traction rope.
The eye visual field detection device comprises an air floatation unit, a water tank, a first fixed pulley, a second fixed pulley, a third fixed pulley and a fourth fixed pulley, wherein the air floatation unit comprises a longitudinal strip-shaped water tank, a floating ball is arranged in the water tank, the inner bottom of the water tank is provided with the first fixed pulley, and the second fixed pulley is positioned at the upper part of the water tank; the traction rope sequentially bypasses the second fixed pulley and the first fixed pulley and is connected with the floating ball.
The eye visual field detection device is characterized in that a box cover is arranged on the water tank, and the second fixed pulley is arranged on the box cover; and the box cover is provided with an opening through which the traction rope passes.
The eye visual field detection device is characterized in that an anti-overflow sleeve is arranged on the upper surface of the box cover, and the opening is opposite to an inner hole of the anti-overflow sleeve.
The eye visual field detection device is characterized in that a placing tray for placing a perimeter is arranged on the buoyancy lifting support.
The eye visual field detection device comprises a manual adjusting piece, wherein the manual adjusting piece comprises a reduction gear box and an adjusting knob, the input end of the reduction gear box is connected with the adjusting knob, and the output end of the reduction gear box is connected with a driving gear through a rotating shaft.
The eye vision field detection device is characterized in that an elastic lining layer attached to the head of a human body is arranged in the detection helmet.
An eye visual field detection method is applied to the eye visual field detection device, and the realization method comprises the following steps:
the detection helmet is adopted, an observation opening is formed in the detection helmet, an observation eyepiece of the perimeter is aligned to the observation opening and placed in the observation helmet during detection, the driving gear is meshed with the rack, then the bar-shaped electromagnet is controlled to run electrically to adsorb a bar-shaped iron piece, the driving gear is adjusted through the manual adjusting piece to rotate, the observation eyepiece is moved to a proper observation distance position, and visual field detection is carried out.
The invention has the beneficial effects that: the detection helmet is adopted, an observation opening is formed in the detection helmet, an observation eyepiece of a perimeter is placed in a manner of aligning with the observation opening during detection, a driving gear is meshed with a rack, then a bar-shaped electromagnet is controlled to be electrified to run to adsorb a bar-shaped iron piece, the driving gear is adjusted to rotate through a manual adjusting piece to move the observation eyepiece to a proper observation distance position, and visual field detection is carried out; rely on and detect that the helmet comes spacing to human head, on the perimeter lug connection detected the helmet to the traction force that relies on the air supporting unit comes to removing the most weight of perimeter to offsetting, just so makes the perimeter can remove along with rocking of human head, has weakened because of the head rocks the interference that brings, and it is also comparatively convenient to use simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only part of the embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive efforts according to the accompanying drawings:
FIG. 1 is a schematic structural diagram of an eye vision field inspection device according to a preferred embodiment of the present invention;
FIG. 2 is a sectional view of an air floating unit of the eye vision field detecting apparatus according to the preferred embodiment of the present invention;
FIG. 3 is a schematic view of a manual adjustment member of the eye vision field inspection device according to the preferred embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without inventive step, are within the scope of the present invention.
The eye vision field detection device according to the preferred embodiment of the present invention, as shown in fig. 1, with reference to fig. 2 and 3, includes a buoyant lift bracket 1, a perimeter 2, and a detection helmet 3; an observation opening 30 is formed in the detection helmet 3, the observation opening 30 is communicated with the front side and the upper end of the detection helmet 3, an observation eyepiece 20 extending into the observation opening 30 is arranged on the perimeter 2, and the width of the observation eyepiece 20 is matched with the width of the observation opening 30; the bottom surface of the observation opening 30 is provided with a strip-shaped electromagnet 31, a driving gear 32 and a manual adjusting piece 33 for adjusting the driving gear; the bottom surface of the observation eyepiece 20 is provided with a bar-shaped iron piece 21 correspondingly adsorbed to the bar-shaped electromagnet 31 and a rack (not shown) corresponding to the driving gear; a floating part 10 is arranged above the perimeter 2 on the floating support 1, and a traction rope 100 connected with the perimeter and an air floating unit 101 for providing floating tension to the traction rope 100 are arranged on the floating part 10;
the detection helmet 3 is adopted, an observation opening 30 is formed in the detection helmet 3, an observation eyepiece 20 of the perimeter 2 is aligned to the observation opening 30 and placed in the observation helmet during detection, a driving gear 32 is meshed with a rack, then a strip-shaped electromagnet 31 is controlled to be electrified to operate and adsorb a strip-shaped iron piece 21, the driving gear 32 is adjusted to rotate through a manual adjusting piece 33, the observation eyepiece 20 is moved to a proper observation distance position, and visual field detection is carried out;
the head of a human body is limited by the detection helmet 3, the perimeter 2 is directly connected to the detection helmet 3, and most of the weight of the perimeter 2 is eliminated by the traction force of the air floatation unit 101, so that the perimeter 2 can move along with the shaking of the head of the human body, the interference caused by the shaking of the head is reduced, and the use is convenient;
it should be noted that the attractive force of the bar-shaped electromagnet is preferably set to 20 to 80N, so that the attractive force can be ensured, and the driving gear 32 and the rack can be conveniently matched, adjusted and moved, and in addition, in case of accident, an adult can more directly pull out the perimeter 2 by means of the self-force, so that the safety is ensured.
Preferably, the air flotation unit 101 comprises a longitudinal strip-shaped water tank 1010, a floating ball 1011 is arranged in the water tank 1010, a first fixed pulley 1012 is arranged at the inner bottom of the water tank 1010, and the air flotation unit 101 further comprises a second fixed pulley 1013 positioned at the upper part of the water tank 1010; the traction rope 100 sequentially passes around the second fixed pulley 1013 and the first fixed pulley 1012 and is connected with the floating ball 1011; the buoyancy force borne by the floating ball is used for providing buoyancy traction force, electricity is not needed, the danger of electric leakage is avoided, and the energy-saving and environment-friendly effects are achieved.
Preferably, a cover 1014 is provided on the water tank 1010, and the second crown pulley 1013 is provided on the cover 1014; the box cover 1014 is provided with an opening 1015 for the traction rope 100 to pass through; the upper surface of the box cover 1014 is provided with an anti-overflow water sleeve 1016, and the opening 1015 is opposite to an inner hole of the anti-overflow water sleeve 1016; the water tank is simple in structure, water in the water tank is not easy to take away, and the manufacturing cost is low.
Preferably, a placing tray 11 for placing the perimeter is arranged on the buoyancy lifting support 1; the perimeter can be placed when not in use, or can be supported on a placing tray for detection.
Preferably, the manual adjusting part 33 comprises a reduction gear box 330 and an adjusting knob 331, wherein the input end of the reduction gear box 330 is connected with the adjusting knob 331, and the output end of the reduction gear box 330 is connected with the driving gear 32 through a rotating shaft 332; the manual adjustment is convenient to carry out, and the adjustment precision is ensured simultaneously.
Preferably, an elastic lining layer which is attached to the head of a human body is arranged in the detection helmet 3; the existing helmet is adopted.
An eye visual field detection method is applied to the eye visual field detection device, and the realization method comprises the following steps:
the detection helmet is adopted, an observation opening is formed in the detection helmet, an observation eyepiece of a perimeter is placed in a manner of aligning with the observation opening during detection, a driving gear is meshed with a rack, then a bar-shaped electromagnet is controlled to be electrified to run to adsorb a bar-shaped iron piece, the driving gear is adjusted to rotate through a manual adjusting piece to move the observation eyepiece to a proper observation distance position, and visual field detection is carried out;
rely on and detect that the helmet comes spacing to human head, on the perimeter lug connection detected the helmet to the traction force that relies on the air supporting unit comes to removing the most weight of perimeter to offsetting, just so makes the perimeter can remove along with rocking of human head, has weakened because of the head rocks the interference that brings, and it is also comparatively convenient to use simultaneously.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (6)
1. An eye visual field detection device is characterized by comprising a buoyancy lifting bracket, a perimeter and a detection helmet; the detection helmet is provided with an observation opening, the observation opening is communicated with the front side and the upper end of the detection helmet, the perimeter is provided with an observation eyepiece which extends into the observation opening, and the width of the observation eyepiece is matched with the width of the observation opening; the bottom surface of the observation opening is provided with a strip-shaped electromagnet, a driving gear and a manual adjusting piece for adjusting the driving gear; the bottom surface of the observation eyepiece is provided with a bar-shaped iron piece correspondingly adsorbed to the bar-shaped electromagnet and a rack corresponding to the driving gear; the buoyancy lifting support is provided with a buoyancy lifting part positioned above the perimeter, and the buoyancy lifting part is provided with a traction rope connected with the perimeter and an air floatation unit for providing floating tension for the traction rope; the air floatation unit comprises a longitudinal strip-shaped water tank, a floating ball is arranged in the water tank, a first fixed pulley is arranged at the inner bottom of the water tank, and the air floatation unit also comprises a second fixed pulley positioned at the upper part of the water tank; the traction rope sequentially bypasses the second fixed pulley and the first fixed pulley and is connected with the floating ball; and a placing tray for placing the perimeter is arranged on the buoyancy lifting support.
2. The eye vision detecting device of claim 1, wherein a cover is provided on the water tank, and the second fixed pulley is provided on the cover; and the box cover is provided with an opening through which the traction rope passes.
3. The eye vision field detection device according to claim 2, wherein an overflow preventing sleeve is provided on an upper surface of the tank cover, and the opening is aligned with an inner hole of the overflow preventing sleeve.
4. The eye visual field detection device according to any one of claims 1 to 3, wherein the manual adjustment member comprises a reduction gear box and an adjustment knob, an input end of the reduction gear box is connected with the adjustment knob, and an output end of the reduction gear box is connected with the driving gear through a rotating shaft.
5. The ocular visual field detection device of any one of claims 1 to 3, wherein an elastic lining layer is provided inside the detection helmet to fit the head of a human.
6. An eye visual field detection method applied to the eye visual field detection device according to any one of claims 1 to 5, characterized by being realized as follows:
the detection helmet is adopted, an observation opening is formed in the detection helmet, an observation eyepiece of the perimeter is aligned to the observation opening and placed in the observation helmet during detection, the driving gear is meshed with the rack, then the bar-shaped electromagnet is controlled to run electrically to adsorb a bar-shaped iron piece, the driving gear is adjusted through the manual adjusting piece to rotate, the observation eyepiece is moved to a proper observation distance position, and visual field detection is carried out.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111631165.5A CN114224281B (en) | 2021-12-29 | 2021-12-29 | Eye visual field detection device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111631165.5A CN114224281B (en) | 2021-12-29 | 2021-12-29 | Eye visual field detection device and method |
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| CN114224281A CN114224281A (en) | 2022-03-25 |
| CN114224281B true CN114224281B (en) | 2022-08-05 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07234375A (en) * | 1994-02-23 | 1995-09-05 | Matsushita Electric Works Ltd | Goggle type display device |
| US5864384A (en) * | 1996-07-31 | 1999-01-26 | Mcclure; Richard J. | Visual field testing method and apparatus using virtual reality |
| CN104337497A (en) * | 2013-08-06 | 2015-02-11 | 广东福地新视野光电技术有限公司 | OCT scanning device and ophthalmic OCT equipment |
| CN204500621U (en) * | 2015-03-10 | 2015-07-29 | 深圳市康宁医院 | A kind of eye tracker |
| CN106037626A (en) * | 2016-07-12 | 2016-10-26 | 吴越 | Head-mounted visual field inspector |
| CN108937841A (en) * | 2018-07-17 | 2018-12-07 | 遂宁市中心医院 | Ophthalmic perimetry device |
| CN211175216U (en) * | 2019-12-20 | 2020-08-04 | 杨培武 | Underwater film and television damper |
| CN113647900A (en) * | 2021-06-28 | 2021-11-16 | 中山大学中山眼科中心 | Self-service visual field detection method based on personal terminal |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10251933B4 (en) * | 2002-11-08 | 2006-12-14 | Ludwig-Maximilians-Universität München (Körperschaft des öffentlichen Rechts) | Recording device for the head-based image acquisition and method for controlling the recording device |
-
2021
- 2021-12-29 CN CN202111631165.5A patent/CN114224281B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07234375A (en) * | 1994-02-23 | 1995-09-05 | Matsushita Electric Works Ltd | Goggle type display device |
| US5864384A (en) * | 1996-07-31 | 1999-01-26 | Mcclure; Richard J. | Visual field testing method and apparatus using virtual reality |
| CN104337497A (en) * | 2013-08-06 | 2015-02-11 | 广东福地新视野光电技术有限公司 | OCT scanning device and ophthalmic OCT equipment |
| CN204500621U (en) * | 2015-03-10 | 2015-07-29 | 深圳市康宁医院 | A kind of eye tracker |
| CN106037626A (en) * | 2016-07-12 | 2016-10-26 | 吴越 | Head-mounted visual field inspector |
| CN108937841A (en) * | 2018-07-17 | 2018-12-07 | 遂宁市中心医院 | Ophthalmic perimetry device |
| CN211175216U (en) * | 2019-12-20 | 2020-08-04 | 杨培武 | Underwater film and television damper |
| CN113647900A (en) * | 2021-06-28 | 2021-11-16 | 中山大学中山眼科中心 | Self-service visual field detection method based on personal terminal |
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| CN114224281A (en) | 2022-03-25 |
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