CN205649497U - Amazing screen structure of field of vision appearance - Google Patents
Amazing screen structure of field of vision appearance Download PDFInfo
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- CN205649497U CN205649497U CN201521036789.2U CN201521036789U CN205649497U CN 205649497 U CN205649497 U CN 205649497U CN 201521036789 U CN201521036789 U CN 201521036789U CN 205649497 U CN205649497 U CN 205649497U
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Abstract
The utility model provides an amazing screen structure of field of vision appearance, including amazing screen body, amazing screen body is equipped with the solid view point of central authorities, first lamp, the second looked is admittedly looked the lamp admittedly, the 5th is looked the lamp admittedly and the 6th look the lamp admittedly, and people's eye is watched department and central authorities solid view points attentively and is connected into the 5th straight line, first lamp and the people's eye looked is admittedly watched the department attentively and is connected into first straight line, the second is looked lamp and people's eye admittedly and is watched the department attentively and connect into the second straight line, the 5th straight line, first straight line and second straight line are all parallel with the horizontal plane, is does the 5th straight line become first contained angle with first straight line and 5 10 the degree, is sharply become the second contained angle 5 to first straight line with the second 10 the degree, the 5th looks lamp and first admittedly looks the lamp about the 5th straight line symmetry admittedly, the 6th looks lamp and second admittedly looks the lamp about the 5th straight line symmetry admittedly, the internal surface of amazing screen body is equipped with the coating. The utility model discloses the change of retina rest potential under the ming dynasty, dark adaptation condition in the time of can measuring the different angles of eyeball rotation respectively.
Description
Technical field
This utility model belongs to Visual System Electrophysiology Technique field, and particularly a kind of visual field instrument stimulates screen structure.
Background technology
Electro-oculogram is to measure the retina electrostatic potential existed between retinal pigment epithelium and photoreceptor cell.According to the change of retina rest potential under the conditions of light and dark adaptation, can reflect that the photochemical reaction of photoreceptor cell and epiretinal function status are it can also be used to measure eyeball position and oculomotor physiological change.Amphiblestroid electricity reaction is from baroque retina neural reticular tissue.Retinal photoreceptor epithelium is positive potential, and pigment epithelium direction is nagative potential, and two interlayer potential differences are up to 60mV.Positive potential can be to forwarding to cornea, and nagative potential passes to after sclera backward.When eyeball turns to endocanthion angle, the cornea of positive pole shifts near endocanthion angle and the nearly angle of eye lateral of rear Ghandler motion of negative pole, otherwise rotates to angle of eye lateral and just obtain contrary result.Respectively put the electric current detected by an electrode changing with the rotation of eyeball at examinee's inside and outside corner of the eyes angle under the conditions of dark, light adaptation is exactly electro-oculogram.
At present, visual field instrument stimulates the location arrangements shielding upper fixation lamp unreasonable, is not easy to the retina rest potential to people's Rotation of eyeball multiple angles and measures.
Meanwhile, stimulating screen generally to use lacquer spraying technique to form matte surface, select to spray paint material, by adjusting spraying level and granularity, it is also possible to reaches requirement, but the method complex process, and yield rate is relatively low.
Utility model content
The purpose of this utility model is to provide a kind of simple and reasonable visual field instrument to stimulate screen structure, it is located at stimulation screen by regular for multiple fixation lamps, by turning on the fixation lamp of diverse location, retina change of retina rest potential under the conditions of light and dark adaptation when can measure Rotation of eyeball different angles respectively, providing multiple numerical value for reference for clinical trial, the also segmentation research for scientific research institutions provides help.The described inner surface stimulating screen body is provided with coating, and coating processing technology is simple, and yield rate is high, and can form uniform light illumination on surface.
nullThe purpose of this utility model is realized by such technical scheme，It includes stimulating screen body，Described stimulation screen body is provided with central authorities' fixation point、First fixation lamp、Second fixation lamp、5th fixation lamp and the 6th fixation lamp，The 5th straight line is connected into central fixation point at people's eye fixation，The first straight line is connected at described first fixation lamp and people's eye fixation，The second straight line is connected at described second fixation lamp and people's eye fixation，Described 5th straight line、First straight line and the second straight line are all and plane-parallel，Described 5th straight line and the first straight line are become the first angle to be 5-10 degree，Described first straight line and the second straight line are become the second angle to be 5-10 degree，Described 5th fixation lamp and the first fixation lamp are symmetrical about the 5th straight line，Described 6th fixation lamp and the second fixation lamp are symmetrical about the 5th straight line，The described inner surface stimulating screen body is provided with coating，Described coating is uniformly mixed by barium sulfate and rubstick.
During use, human eye is by watching stimulation screen attentively at people's eye fixation, turn on the fixation lamp of diverse location, eyeball is followed the fixation lamp lighted and is rotated, retina change of retina rest potential under the conditions of light and dark adaptation when can measure Rotation of eyeball different angles respectively, providing multiple numerical value for reference for clinical trial, the also segmentation research for scientific research institutions provides help.
The material of coating is pure barium sulfate, and owing to barium sulfate is white, not absorbing light, diffuse-reflectance coefficient is close to 1, and reflexive is preferable, is comparatively ideal material.
It is attached to coating stimulate screen body can use following steps:
First, fixing full visual field stimulator spheroid；
Secondly, barium sulfate and rubstick are the most uniformly mixed；
Then, spray-on coating, with automatic spray gun by gained by mixture even application thin layer on inwall of barium sulfate and rubstick, then by the hot air dries surface being dried, after dry tack free, repeat spraying and the step about 30 times dried, form the barium sulfate coating of about 1mm on surface.
Using above-mentioned steps, the processing technology of coating is simple, and yield rate is high, when light-illuminating, it is possible to form uniform light illumination stimulating screen body internal surface.
Further, described stimulation screen body also includes the 3rd fixation lamp and the 7th fixation lamp, the 3rd straight line is connected at described 3rd fixation lamp and people's eye fixation, described 3rd straight line and plane-parallel, described 3rd straight line and the second straight line are become the 3rd angle to be 5-10 degree, and described 7th fixation lamp and the 3rd fixation lamp are symmetrical about the 5th straight line.
Further, described stimulation screen body also includes the 4th fixation lamp and the 8th fixation lamp, the 4th straight line is connected at described 4th fixation lamp and people's eye fixation, described 4th straight line and plane-parallel, described 4th straight line and the 3rd straight line are become the 4th angle to be 5-10 degree, and described 8th fixation lamp and the 4th fixation lamp are symmetrical about the 5th straight line.
Further, the number of degrees of described first angle, the second angle, the 3rd angle and the 4th angle are identical.
Further, the number of degrees of described first angle, the second angle, the 3rd angle and the 4th angle are 7.5 degree.
Further, the described inner surface stimulating screen body is a sphere, and described coating layer thickness is 0.8-1.2mm.
Owing to have employed technique scheme, this utility model has simple and reasonable advantage, it is located at stimulation screen by regular for multiple fixation lamps, by turning on the fixation lamp of diverse location, retina change of retina rest potential under the conditions of light and dark adaptation when can measure Rotation of eyeball different angles respectively, providing multiple numerical value for reference for clinical trial, the also segmentation research for scientific research institutions provides help.The described inner surface stimulating screen body is provided with coating, and coating processing technology is simple, and yield rate is high, and can form uniform light illumination on surface.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the sectional view of Fig. 1.
In figure, the 1, first fixation lamp；2, the second fixation lamp；3, the 3rd fixation lamp；4, the 4th fixation lamp；5, the 5th fixation lamp；6, the 6th fixation lamp；7, the 7th fixation lamp；8, the 8th fixation lamp；9, central authorities' fixation point；10, screen body is stimulated；11, coating.
Detailed description of the invention
For the technological means making this utility model realize, creation characteristic, reach purpose and be easy to understand with effect, below in conjunction with being specifically illustrating, this utility model is expanded on further.
nullAs illustrated in fig. 1 and 2，This utility model includes stimulating screen body 10，Described stimulation screen body 10 is provided with central authorities' fixation point 9、First fixation lamp 1、Second fixation lamp 2、5th fixation lamp 5 and the 6th fixation lamp 6，The 5th straight line is connected into central fixation point 9 at people's eye fixation，Described first fixation lamp 1 connects into the first straight line at people's eye fixation，Described second fixation lamp 2 connects into the second straight line at people's eye fixation，Described 5th straight line、First straight line and the second straight line are all and plane-parallel，Described 5th straight line and the first straight line are become the first angle to be 5-10 degree，Described first straight line and the second straight line are become the second angle to be 5-10 degree，Described 5th fixation lamp 5 and the first fixation lamp 1 are symmetrical about the 5th straight line，Described 6th fixation lamp 6 and the second fixation lamp 2 are symmetrical about the 5th straight line，The described inner surface stimulating screen body 10 is provided with coating 11，Described coating 11 is uniformly mixed by barium sulfate and rubstick.
During use, human eye is by watching stimulation screen attentively at people's eye fixation, turn on the fixation lamp of diverse location, eyeball is followed the fixation lamp lighted and is rotated, retina change of retina rest potential under the conditions of light and dark adaptation when can measure Rotation of eyeball different angles respectively, providing multiple numerical value for reference for clinical trial, the also segmentation research for scientific research institutions provides help.
The material of coating 11 is pure barium sulfate, and owing to barium sulfate is white, not absorbing light, diffuse-reflectance coefficient is close to 1, and reflexive is preferable, is comparatively ideal material.
It is attached to coating 11 stimulate screen body 10 can use following steps:
First, fixing full visual field stimulator spheroid；
Secondly, barium sulfate and rubstick are the most uniformly mixed；
Then, spray-on coating 11, with automatic spray gun by gained by mixture even application thin layer on inwall of barium sulfate and rubstick, then by the hot air dries surface being dried, after dry tack free, repeat spraying and the step about 30 times dried, form the barium sulfate coating 11 of about 1mm on surface.
Using above-mentioned steps, the processing technology of coating 11 is simple, and yield rate is high, when light-illuminating, it is possible to form uniform light illumination stimulating screen body 10 inner surface.
As shown in Figure 1, described stimulation screen body 10 also includes the 3rd fixation lamp 3 and the 7th fixation lamp 7, described 3rd fixation lamp 3 connects into the 3rd straight line at people's eye fixation, described 3rd straight line and plane-parallel, described 3rd straight line and the second straight line are become the 3rd angle to be 5-10 degree, and described 7th fixation lamp 7 and the 3rd fixation lamp 3 are symmetrical about the 5th straight line.
As shown in Figure 1, described stimulation screen body 10 also includes the 4th fixation lamp 4 and the 8th fixation lamp 8, described 4th fixation lamp 4 connects into the 4th straight line at people's eye fixation, described 4th straight line and plane-parallel, described 4th straight line and the 3rd straight line are become the 4th angle to be 5-10 degree, and described 8th fixation lamp 8 and the 4th fixation lamp 4 are symmetrical about the 5th straight line.
As specific embodiment, the number of degrees of described first angle, the second angle, the 3rd angle and the 4th angle are identical.The angle that eyeball rotates every time is identical, is more conducive to provide reference for clinical trial.
As specific embodiment, the number of degrees of described first angle, the second angle, the 3rd angle and the 4th angle are 7.5 degree.
As specific embodiment, the inner surface of described stimulation screen body 10 is a sphere, and described coating 11 thickness is 0.8-1.2mm.
These are only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalent structure utilizing this utility model description and accompanying drawing content to be made; directly or indirectly it is used in other relevant technical fields, the most in like manner within scope of patent protection of the present utility model.
Claims (6)
1. visual field instrument stimulates screen structure, it is characterized in that, including stimulating screen body, described stimulation screen body is provided with central authorities' fixation point, first fixation lamp, second fixation lamp, 5th fixation lamp and the 6th fixation lamp, the 5th straight line is connected into central fixation point at people's eye fixation, the first straight line is connected at described first fixation lamp and people's eye fixation, the second straight line is connected at described second fixation lamp and people's eye fixation, described 5th straight line, first straight line and the second straight line are all and plane-parallel, described 5th straight line and the first straight line are become the first angle to be 5-10 degree, described first straight line and the second straight line are become the second angle to be 5-10 degree, described 5th fixation lamp and the first fixation lamp are symmetrical about the 5th straight line, described 6th fixation lamp and the second fixation lamp are symmetrical about the 5th straight line, the described inner surface stimulating screen body is provided with coating.
2. visual field instrument as claimed in claim 1 stimulates screen structure, it is characterized in that, described stimulation screen body also includes the 3rd fixation lamp and the 7th fixation lamp, the 3rd straight line is connected at described 3rd fixation lamp and people's eye fixation, described 3rd straight line and plane-parallel, described 3rd straight line and the second straight line are become the 3rd angle to be 5-10 degree, and described 7th fixation lamp and the 3rd fixation lamp are symmetrical about the 5th straight line.
3. visual field instrument as claimed in claim 2 stimulates screen structure, it is characterized in that, described stimulation screen body also includes the 4th fixation lamp and the 8th fixation lamp, the 4th straight line is connected at described 4th fixation lamp and people's eye fixation, described 4th straight line and plane-parallel, described 4th straight line and the 3rd straight line are become the 4th angle to be 5-10 degree, and described 8th fixation lamp and the 4th fixation lamp are symmetrical about the 5th straight line.
4. visual field instrument as claimed in claim 3 stimulates screen structure, it is characterised in that the number of degrees of described first angle, the second angle, the 3rd angle and the 4th angle are identical.
5. visual field instrument as claimed in claim 4 stimulates screen structure, it is characterised in that the number of degrees of described first angle, the second angle, the 3rd angle and the 4th angle are 7.5 degree.
6. visual field instrument as claimed in claim 5 stimulates screen structure, it is characterised in that the inner surface of described stimulation screen body is a sphere, and described coating layer thickness is 0.8-1.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521036789.2U CN205649497U (en) | 2015-12-14 | 2015-12-14 | Amazing screen structure of field of vision appearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521036789.2U CN205649497U (en) | 2015-12-14 | 2015-12-14 | Amazing screen structure of field of vision appearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205649497U true CN205649497U (en) | 2016-10-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521036789.2U Expired - Fee Related CN205649497U (en) | 2015-12-14 | 2015-12-14 | Amazing screen structure of field of vision appearance |
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| Country | Link |
|---|---|
| CN (1) | CN205649497U (en) |
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2015
- 2015-12-14 CN CN201521036789.2U patent/CN205649497U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161019 Termination date: 20171214 |
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| CF01 | Termination of patent right due to non-payment of annual fee |