CN114129124A - Detection device and detection method for measuring human eye macular pigment concentration and asthenopia - Google Patents

Detection device and detection method for measuring human eye macular pigment concentration and asthenopia Download PDF

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Publication number
CN114129124A
CN114129124A CN202111623584.4A CN202111623584A CN114129124A CN 114129124 A CN114129124 A CN 114129124A CN 202111623584 A CN202111623584 A CN 202111623584A CN 114129124 A CN114129124 A CN 114129124A
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China
Prior art keywords
cavity
integrating sphere
test
circuit board
brightness
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CN202111623584.4A
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Chinese (zh)
Inventor
崔国军
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Changchun Yandongli Technology Co ltd
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Changchun Yandongli Technology Co ltd
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Priority to CN202111623584.4A priority Critical patent/CN114129124A/en
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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
    • A61B3/06—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing light sensitivity, e.g. adaptation; for testing colour vision
    • A61B3/063—Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing light sensitivity, e.g. adaptation; for testing colour vision for testing light sensitivity, i.e. adaptation
    • 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
    • A61B3/0008—Apparatus for testing the eyes; Instruments for examining the eyes provided with illuminating means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/4204—Photometry, e.g. photographic exposure meter using electric radiation detectors with determination of ambient light
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
    • A61B2560/02—Operational features
    • A61B2560/0223—Operational features of calibration, e.g. protocols for calibrating sensors
    • A61B2560/0228—Operational features of calibration, e.g. protocols for calibrating sensors using calibration standards
    • A61B2560/0233—Optical standards

Abstract

The invention discloses a detection device and a detection method for measuring human macular pigment concentration and asthenopia, wherein the detection device comprises: the base, install the system processor on the base, pin the button, display screen and loudspeaker, the base top is connected with upper portion test cavity through rotation of rotation axis, inside integrating sphere, LED circuit board and the lighting circuit board of being provided with of upper portion test cavity, the inside cavity that has seted up of integrating sphere, cavity internally mounted has ambient light intensity sensor, be provided with the background board on the LED circuit board, last illumination LED and the ambient light brightness sensor of installing of lighting circuit board, eyepiece barrel is installed at upper portion test cavity top, the detection method includes: height adjustment, equipment operation, test preparation and test procedures. According to the invention, the upper test cavity can prevent the influence of external light on the test, a tester can independently complete the test according to the set voice prompt without the intervention of professionals, and the equipment system can perform more accurate test.

Description

Detection device and detection method for measuring human eye macular pigment concentration and asthenopia
Technical Field
The invention relates to the technical field of human eye detection, in particular to a detection device and a detection method for measuring the concentration of macular pigment in human eyes and the visual fatigue.
Background
Senile macular degeneration (AMD) is the leading cause of blindness in people over 50 years of age, and has increasing risks with increasing age, the understanding of the disease, the need for risk cognition and how to prevent the disease are increasing, and the condition is more urgent with the global aging; in consideration of the fact that AMD cannot be completely cured at present, it is very important to prevent the AMD by improving diet, lifestyle and optimizing macular pigment grade, yellow spots are the most central and sensitive parts on the retina at the back of the eye, yellow spot pigment is used as an antioxidant to protect the retina of the eye from being damaged by blue light, and if the pigment is reduced, the retina becomes more fragile and more prone to degeneration; through research, the concentration of the macular pigment of the human eye mainly comprises lutein and carotene, and how to test the concentration of the macular pigment, the evaluation of the supplementing effect of the pigment becomes an urgent need.
Although the principle of detecting the concentration of the macular pigment of the human eye by using the heterochrosis scintillation photometry has been in the history for thirty years, the existing detection equipment is easily interfered by external light, so that the detection accuracy is influenced.
Disclosure of Invention
Technical problem to be solved
The invention can solve the problems that the existing detection equipment is easily interfered by external light, the detection accuracy is influenced, the operation is complex, a patient needs to complete the detection under the instruction of a professional, the time consumption is long, the efficiency is not high, and the detection times are more.
(II) technical scheme
In order to achieve the purpose, the invention adopts the following technical scheme:
in a first aspect, the present invention provides a device for measuring macular pigment concentration and asthenopia in a human eye, comprising: the base, install system's treater on the base, be provided with the pinning button on the base, the top of base is connected with upper portion test cavity through rotation of axes, the inside of upper portion test cavity is provided with the integrating sphere, the cavity has been seted up to the inside of integrating sphere, the internally mounted of cavity has ambient light intensity sensor, the inside of upper portion test cavity is provided with the LED circuit board, be provided with the background board on the LED circuit board, the background board sets up to white, the inside of upper portion test cavity is provided with the illumination circuit board, the illumination circuit board with the background board is relative, install illumination LED and ambient light brightness sensor on the illumination circuit board, eyepiece barrel is installed at the top of upper portion test cavity, install display screen and loudspeaker on the base.
As a preferable technical scheme of the invention, the bottom of the base is fixedly connected with a rubber pad, and the lower surface of the rubber pad is a rough surface.
As a preferred technical scheme of the invention, the inner wall of the upper testing cavity is fixedly connected with a metal plate.
As a preferred technical scheme of the invention, the locking button comprises a handle, a guiding fixing unit, a pin and a return compression spring, the return compression spring is sleeved on the pin, the pin is inserted into the guiding fixing unit, one end of the pin is inserted into the metal plate, and the other end of the pin is fixedly connected with the handle.
In a preferred embodiment of the present invention, a red LED is mounted inside the integrating sphere.
As a preferable technical scheme of the invention, the cavity comprises an integrating sphere left cavity, an integrating sphere middle cavity and an integrating sphere right cavity, the integrating sphere is positioned in the center of an eye axis, the integrating sphere left cavity and the integrating sphere right cavity are positioned on two sides, and an angle of 8 degrees is formed between the integrating sphere left cavity and the integrating sphere right cavity and the center of the eye axis.
As a preferred technical scheme of the invention, a handle connecting wire interface is arranged on the base, a handle connecting wire is inserted on the handle connecting wire interface, one end of the handle connecting wire is connected with a handle, and a button is arranged on the handle.
As a preferred technical scheme of the invention, the base is provided with a 3.5mm earphone jack.
As a preferable technical solution of the present invention, the LED circuit board and the background board are provided with a left integrating sphere flare light observation port, a middle integrating sphere flare light observation port, and a left integrating sphere flare light observation port.
In a second aspect, the present invention further provides a method for measuring human macular pigment concentration and detecting asthenopia, comprising the following steps:
s1, height adjustment: the locking button is used to pull the handle outwards to drive the pin to be separated from the metal plate, so that the upper testing cavity can rotate through the rotating shaft, the height of the eyepiece barrel is matched with that of a tester, after the adjustment is completed, the handle is loosened, and the pin is reset and inserted into the metal plate under the action of the reset compression spring, so that the upper testing cavity is locked;
s2, equipment operation: after the equipment is started, the lighting LED on the lighting circuit board serving as a lighting source is uniformly lighted during testing under the action of a background plate on the LED circuit board, and simultaneously, the lighting LED and the system are fed back under the coordination of an ambient light brightness sensor for detecting the brightness of the background plate in real time;
s3, test preparation: the tester watches the inside of the upper testing cavity through the wood lens cone, inserts an earphone through a 3.5mm earphone jack, or uses a loudspeaker to be placed outside, so as to test along with voice prompt, human eyes sense flickering light through a left integrating sphere flickering light observation port, a middle integrating sphere flickering light observation port and a left integrating sphere flickering light observation port, the yellow spots of the human eyes are the most sensitive parts of the vision of the human eyes, the yellow spots absorb blue light to a certain extent, but the excessive blue light can cause the damage of the yellow spots, and simultaneously can influence the sensitivity of the human eyes to flickering perception, the integrating sphere is positioned in the center of an eye axis, the left cavity and the right cavity of the integrating sphere are positioned on two sides, and the angle of 8 degrees is formed with the center of the eye axis;
s4, testing: when the test is started, voice prompt is given, the background plate is lightened, blue-green light in the integrating sphere middle cavity is lightened at the same time, lamps in the integrating sphere left cavity and the integrating sphere right cavity on two sides are not lightened, the system starts to flicker from a high frequency, the frequency starts to decrease according to a set value, an ambient light intensity sensor which senses the brightness in real time is arranged in the integrating sphere middle cavity and starts to work and feeds the brightness back to the system in real time, the ambient light intensity sensor feeds the brightness of the background plate back to the system in real time, when the flicker frequency is decreased to be sensed by human eyes of a tested person, the tested person presses a button of a handle, the test in a small stage is completed, the test is circulated for 15 times according to the voice prompt, and the system automatically calculates the concentration index of the relative content of the yellow spot lutein according to the flicker brightness sensed by the human eyes.
(III) advantageous effects
1. According to the detection equipment for measuring the concentration of the human macular pigment and the visual fatigue, the upper test cavity is a closed space formed by the closed shell, so that the influence of external light on the test is prevented, a tester can carry an earphone or finish the test along with voice prompt in a mode of externally placing the earphone or the loudspeaker, the test can be finished autonomously according to the set voice prompt without the intervention of professionals, and the detection equipment is simple and practical;
2. the invention provides a detecting device for measuring human eye yellow pigment concentration and asthenopia, in the device, a system controls the brightness of an LED through PWM, a PWM value has a corresponding relation with the brightness of the LED, meanwhile, the brightness of the LED has a relation with the flicker brightness which can be sensed by human eyes, the content of lutein is calculated according to the sensed brightness, the traditional design is that the lutein is written into the system according to the corresponding relation between the PWM value and the brightness which are determined in advance, due to factors such as aging of the LED and drifting of a circuit, the real brightness of the flicker light corresponding to the PWM value can not be detected in a program written in advance, the calculated perceived brightness of eyes can cause errors, the calculated content result has differences, the device adds an environmental light intensity sensor into a left cavity of an integrating sphere, a middle cavity of the integrating sphere and a right cavity of the integrating sphere which have uniform light, the ambient light intensity sensor collects the brightness of the light of the LED in real time and feeds the brightness back to the PWM control circuit of the LED for compensation, so that the LED can be tested more accurately;
3. the invention provides a detecting device for measuring human eye yellow pigment concentration and asthenopia, which needs a background plate to generate diffuse reflection during testing, the brightness of the background plate keeps a certain proportion with flickering light, in order to reduce the contrast between the background plate and the flickering light and prevent inaccurate testing caused by asthenopia, the brightness of the background plate is changed in real time according to the intensity of the flickering light, an LED lamp on a lighting circuit board is used for lighting the background surface, four lighting LED lamps are arranged for uniformity, in the traditional design, the intensity control corresponding to the background light is pre-written into a system for control according to the PWM value corresponding to the intensity of the flickering light and the PWM value under the corresponding background light intensity, an environment light brightness sensor is added, the brightness of the background plate is measured in real time to be compared with the brightness of the flickering light, the PWM value is calibrated in real time, and factors such as aging of the LED lamp and circuit drifting are eliminated, the relative value of the measured macular concentration is more real and feasible;
4. when the detection device for measuring the concentration of the macular pigment of the human eye and the asthenopia is used, human eyes sense that the flicker frequency is related to the asthenopia and can be used as an important basis of the degree of the asthenopia, a human eye use suggestion is provided, red LED lamps at two sides of the detection device flicker, the risk of radiating the macular is just avoided due to the fact that the angle between the red LED lamps and an eye axis is about 8 degrees, the visual fatigue test is only carried out by using red light, the fatigue test is only carried out by using the red light at two sides without the intake of blue light, the test can be used as daily human asthenopia monitoring, the concentration grade of the macular pigment of a patient is detected by the detection device, the healthy life style of the patient is suggested (such as the monitoring of the asthenopia), and the concentration of the macular pigment of the human eye is improved on the basis of guiding the patient to take specific lutein and carotene, delay the onset of AMD.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the present invention taken in a first perspective;
FIG. 3 is a schematic axial view of a second viewing angle of the present invention;
FIG. 4 is an internal schematic view of the lock button of the present invention;
figure 5 is a schematic representation of the relative positions of the human eye and the device under test of the present invention.
In the figure: 1. a base; 2. a system processor; 3. locking the button; 4. a rotating shaft; 5. an upper test chamber; 6. an integrating sphere; 7. an integrating sphere left cavity; 8. an integrating sphere middle cavity; 9. the right cavity of the integrating sphere; 10. an LED circuit board; 11. a background plate; 12. an ambient light intensity sensor; 13. a lighting circuit board; 14. an illumination LED; 15. an ambient light level sensor; 16. an eyepiece barrel; 17. a display screen; 18. the human eye; 19. the macula; 20. a red LED; 21. a handle; 23. pressing a key; 24. a handle connecting wire; 25. a handle connecting wire interface; 26. an earphone jack; 27. a horn; 28. a handle; 29. a guide fixing unit; 30. a pin; 31. a return compression spring; 32. a metal plate; 33. a left integrating sphere flare light viewing port; 34. a middle integrating sphere flare light viewing port; 35. the left integrating sphere flashes the light viewing port.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "longitudinal", "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
As shown in fig. 1 to 5, the present invention provides a detection apparatus for measuring macular pigment concentration and asthenopia of a human eye, comprising: the bottom of the base 1 is fixedly connected with a rubber pad, and the lower surface of the rubber pad is a rough surface, so that equipment can be placed more stably;
a system processor 2 is arranged on the base 1 and used for processing the test system;
a locking button 3 is arranged on the base 1 and used for locking the equipment during testing;
the top of the base 1 is rotatably connected with an upper testing cavity 5 through a rotating shaft 4, so that the upper testing cavity 5 is rotatably connected with the base 1, and after the base 1 is fixedly placed, the upper testing cavity 5 can be rotated to adjust the upper testing cavity 5 to an angle or height convenient for a user to use;
the inner wall of the upper testing cavity 5 is fixedly connected with a metal plate 32 which is used for matching and locking the button 3, and when the device is used, after the angle or the height of the upper testing cavity 5 is adjusted, the upper testing cavity 5 is fixed through the matching of the locking button 3 and the metal plate 32;
the locking button 3 comprises a handle 28, a guide fixing unit 29, a pin 30 and a return compression spring 31;
the reset compression spring 31 is sleeved on the pin 30, so that the pin 30 has elasticity, after the angle or the height of the upper testing cavity 5 is adjusted, the pin 30 is loosened, and under the acting force of the reset compression spring 31, the pin 30 automatically resets and is inserted into the metal plate 32;
the pin 30 is inserted into the guiding and fixing unit 29, a cavity is formed in the guiding and fixing unit 29, one end of the return compression spring 31 abuts against the side wall of the cavity, a convex block is arranged on the pin 30, the cross section of the pin 30 is in a T shape, and the other end of the return compression spring 31 abuts against the convex block, so that the pin 30 is more stable in the guiding and fixing unit 29;
one end of the pin 30 is inserted on the metal plate 32, the other end of the pin 30 is fixedly connected with the handle 28, and when the device is used, the handle 28 is pulled to drive the pin 30 to be separated from the metal plate 32, so that the upper testing cavity 5 can be rotatably adjusted;
an integrating sphere 6 is arranged in the upper testing cavity 5, and the integrating sphere 6 is made of plastic or metal, so that light of the LED is reflected for multiple times and then is uniform;
a cavity is formed in the integrating sphere 6, the cavity comprises an integrating sphere left cavity 7, an integrating sphere middle cavity 8 and an integrating sphere right cavity 9, the integrating sphere 6 is located at the center of an eye axis, the integrating sphere left cavity 7 and the integrating sphere right cavity 9 are located on two sides, and an angle of 8 degrees is formed between the integrating sphere and the center of the eye axis;
the included angle between the left and right red LED flickers and the middle optical axis is about eight degrees, when the lamps at two sides are only watched to flicker, the illumination just avoids a yellow spot area, the arrangement is that the yellow spot part does not absorb blue light when a tester with eye diseases tests the flickers at the side edges, the comparison with the center test is well carried out, meanwhile, the equipment can be used for monitoring the eye fatigue degree, the center test is frequently carried out, the yellow spot is damaged by excessive blue light, so the eye fatigue test eyes only test the red flickers at the two sides, and the center test is not carried out;
a red LED20 is arranged inside the integrating sphere 6, and an ambient light intensity sensor 12 is arranged inside the cavity;
the interiors of the integrating sphere left cavity 7 and the integrating sphere right cavity 9 are only provided with a red LED20 and an ambient light intensity sensor 12 for detecting the brightness in real time, and the integrating sphere middle cavity 8 is provided with a white LED, a green LED, a blue LED and an ambient light intensity sensor 12 for detecting the brightness in real time;
an LED circuit board 10 is arranged in the upper testing cavity 5, a background board 11 is arranged on the LED circuit board 10, the background board 11 is white, and the background board 11 is uniformly illuminated during testing;
the LED circuit board 10 and the background board 11 are provided with a left integrating sphere flare light observation port 33, a middle integrating sphere flare light observation port 34 and a left integrating sphere flare light observation port 35, and human eyes sense flare light through the left integrating sphere flare light observation port 33, the middle integrating sphere flare light observation port 34 and the left integrating sphere flare light observation port 35;
an illumination circuit board 13 is arranged in the upper test cavity 5, the illumination circuit board 13 is opposite to the background plate 11, an illumination LED14 and an ambient light brightness sensor 15 are arranged on the illumination circuit board 13, and an illumination light source is an illumination LED14 of white light on the illumination circuit board 13;
the top of the upper testing cavity 5 is provided with an eyepiece barrel 16, and the base 1 is provided with a display screen 17 and a loudspeaker 27 for a tester to use;
a handle connecting line interface 25 is arranged on the base 1, a handle connecting line 24 is inserted on the handle connecting line interface 25, one end of the handle connecting line 24 is connected with a handle 21, and a key 23 is arranged on the handle 21;
during testing, for testers without eye diseases, only the testee needs to watch the middle integrating sphere middle cavity 8 opening middle integrating sphere flashing light observation port 34 in the middle of the integrating sphere 6, voice prompt is given when the testing is started, the background plate 11 is lightened, blue-green light in the integrating sphere middle cavity 8 is seen to be lightened, lamps in the integrating sphere left cavity 7 and the integrating sphere right cavity 9 on two sides are not lightened, the flicker cannot be recognized by the testers due to the set starting frequency, the frequency starts to be reduced according to the setting, meanwhile, an ambient light intensity sensor 12 capable of sensing the brightness in real time is arranged in the integrating sphere middle cavity 8 to start working and feed the brightness back to the system in real time, an ambient light intensity sensor 15 feeds the brightness of the background plate 11 back to the system in real time, when the flicker frequency is reduced to be sensed by the testers, the testees press the keys 23 of the handle 21 to complete the testing in a small stage, according to the voice prompt, the test is circulated for 15 times, and the system automatically calculates the concentration index of the relative content of the macular lutein according to the flicker brightness sensed by human eyes;
for a patient with eye diseases, the testing sequence of the equipment is that a red LED lamp on the side face is observed to flicker, a left eye perceives the flicker of the red LED lamp of a right cavity 9 of an integrating sphere on the right, a right eye perceives the flicker of the red LED lamp in a left cavity 7 of the integrating sphere on the left, a background plate 11 is lightened at the same time, red starts to flicker, when a testee observes the flicker, a key 23 is pressed, then the flicker perception test of a middle cavity 8 of a middle integrating sphere is carried out, the test is finished, and the system automatically measures and calculates the concentration of lutein;
the base 1 is provided with a 3.5mm earphone jack 26 for a tester to insert an earphone.
The invention also provides a detection method for measuring the concentration of human macular pigment and asthenopia, which comprises the following steps:
s1, height adjustment: the locking button 3 is used to enable the equipment to be adaptive to the height of a tester, the handle 28 is pulled outwards to drive the pin 30 to be separated from the metal plate 32, the upper testing cavity 5 can rotate through the rotating shaft 4, the height of the eyepiece barrel 16 is adaptive to the tester, after the adjustment is completed, the handle 28 is loosened, the pin 30 is reset and inserted into the metal plate 32 under the action of the reset compression spring 31, and then the upper testing cavity 5 is locked;
s2, equipment operation: after the equipment is started, the lighting LED14 on the lighting circuit board 13 as a lighting source is uniformly lighted during testing under the action of the background board 11 on the LED circuit board 10, meanwhile, related parts of the equipment are uniformly lighted under the coordination of the ambient light brightness sensor 15 for detecting the brightness of the background board 11 in real time and can be fed back to the system, only the red LED20 and the ambient light intensity sensor 12 for detecting the brightness in real time are arranged in the cavity 7 on the left side of the integrating sphere and the cavity 9 on the right side of the integrating sphere and are fed back to the system, and the white LED, the green LED, the blue LED and the ambient light intensity sensor 12 for detecting the brightness in real time are arranged in the middle cavity 8 of the integrating sphere and can be fed back to the system;
s3, test preparation: a tester watches the inside of the upper testing cavity 5 through a wood lens cone, inserts earphones through a 3.5mm earphone jack 26, or externally places the earphones through a loudspeaker 27 so as to test along with voice prompt, human eyes sense the flickering light through a left integrating sphere flickering light observation port 33, a middle integrating sphere flickering light observation port 34 and a left integrating sphere flickering light observation port 35, the yellow spots 19 of the human eyes 18 are the most sensitive parts of the vision of the human eyes, the yellow spots absorb blue light to a certain extent, but the excessive blue light can cause damage to the yellow spots and influence the sensitivity of the human eyes to the flickering perception, the integrating sphere 6 is positioned in the center of an eye axis, the left cavity 7 and the right cavity 9 of the integrating sphere are positioned on two sides, and an angle of 8 degrees is formed between the left cavity 7 and the right cavity of the integrating sphere and the center of the eye axis;
s4, testing: when the test is started, voice prompt is given, the background plate 11 is lighted, blue-green light in the integrating sphere middle cavity 8 is seen to be lighted, lamps in the integrating sphere left cavity 7 and the integrating sphere right cavity 9 on two sides are not lighted, the system starts to flicker from high frequency, the frequency starts to decrease according to setting, an ambient light intensity sensor 12 which senses brightness in real time is arranged in the integrating sphere middle cavity 8 to start working and feed back the brightness to the system in real time, an ambient light brightness sensor 15 feeds back the brightness of the background plate 11 to the system in real time, when the flicker frequency is reduced to be sensed by human eyes of a tested person, the tested person presses a key 23 of a handle 21 to finish the test in a small stage, the test is circulated for 15 times according to the voice prompt, and the system automatically calculates the concentration index of the relative content of the macular lutein according to the flicker brightness sensed by the human eyes.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A device for measuring human eye macular pigment concentration and asthenopia, comprising: the device comprises a base (1), a system processor (2) is installed on the base (1), a locking button (3) is arranged on the base (1), the top of the base (1) is rotatably connected with an upper testing cavity (5) through a rotating shaft (4), an integrating sphere (6) is arranged inside the upper testing cavity (5), a cavity is formed inside the integrating sphere (6), an ambient light intensity sensor (12) is installed inside the cavity, an LED circuit board (10) is arranged inside the upper testing cavity (5), a background board (11) is arranged on the LED circuit board (10), the background board (11) is white, an illuminating circuit board (13) is arranged inside the upper testing cavity (5), the illuminating circuit board (13) is opposite to the background board (11), and an illuminating LED (14) and an ambient light brightness sensor (15) are installed on the illuminating circuit board (13), an eyepiece sleeve (16) is installed at the top of the upper testing cavity (5), and a display screen (17) and a loudspeaker (27) are installed on the base (1).
2. The angular adjustable rotary cylinder sail for marine energy as claimed in claim 1, wherein a rubber pad is fixedly connected to the bottom of the base (1), and the lower surface of the rubber pad is rough.
3. The ocean energy based angularly adjustable spinner sail of claim 1, characterized in that the inner wall of the upper test chamber (5) is fixedly connected with a metal plate (32).
4. The ocean energy based angle-adjustable spinning barrel sail of claim 3, wherein the locking button (3) comprises a handle (28), a guiding and fixing unit (29), a pin (30) and a return compression spring (31), the return compression spring (31) is sleeved on the pin (30), the pin (30) is inserted into the guiding and fixing unit (29), one end of the pin (30) is inserted into the metal plate (32), and the other end of the pin (30) is fixedly connected with the handle (28).
5. The ocean energy based angularly adjustable spinning cylinder sail as claimed in claim 1, characterized in that the integrating sphere (6) is internally mounted with red LEDs (20).
6. The ocean energy based angularly adjustable spinning cylinder sail of claim 1, wherein the chamber comprises an integrating sphere left cavity (7), an integrating sphere middle cavity (8) and an integrating sphere right cavity (9), the integrating sphere (6) is located in the center of the axis of the eye, the integrating sphere left cavity (7) and the integrating sphere right cavity (9) are located on both sides, and the angle of the integrating sphere left cavity and the integrating sphere right cavity is 8 degrees with the center of the axis of the eye.
7. The ocean energy based angle-adjustable rotary tube sail of claim 1, wherein the base (1) is provided with a handle connecting line interface (25), the handle connecting line interface (25) is connected with a handle connecting line (24) in an inserted manner, one end of the handle connecting line (24) is connected with a handle (21), and the handle (21) is provided with a key (23).
8. The ocean energy based angle adjustable spinning barrel sail of claim 1, wherein the base (1) is provided with a 3.5mm earphone jack (26).
9. The ocean energy based angular adjustable rotary tube sail of claim 1, wherein the LED circuit board (10) and the background board (11) are provided with a left integrating sphere flare light observation port (33), a middle integrating sphere flare light observation port (34) and a left integrating sphere flare light observation port (35).
10. A method for measuring human eye macular pigment concentration and asthenopia detection is characterized by comprising the following steps:
s1, height adjustment: the locking button (3) is used, the handle (28) is pulled outwards to drive the pin (30) to be separated from the metal plate (32), so that the upper testing cavity (5) can rotate through the rotating shaft (4), the height of the eyepiece sleeve (16) is adapted to a tester, after adjustment is completed, the handle (28) is loosened, the pin (30) is reset to be inserted into the metal plate (32) under the action of the reset compression spring (31), and then the upper testing cavity (5) is locked;
s2, equipment operation: after the equipment is started, an illuminating LED (14) on an illuminating circuit board (13) serving as an illuminating light source is uniformly illuminated during testing under the action of a background board (11) on an LED circuit board (10), and simultaneously is fed back to the system under the coordination of an ambient light brightness sensor (15) for detecting the brightness of the background board (11) in real time, only a red LED (20) and an ambient light intensity sensor (12) for detecting the brightness in real time are arranged in a cavity (7) on the left side of the integrating sphere and a cavity (9) on the right side of the integrating sphere and fed back to the system, and a white LED, a green LED and a blue LED and an ambient light intensity sensor (12) for detecting the brightness in real time are arranged in a middle cavity (8) of the integrating sphere and fed back to the system;
s3, test preparation: a tester watches the inside of the upper testing cavity (5) through a wood lens cone, a 3.5mm earphone jack (26) is used for inserting an earphone, or a loudspeaker (27) is used for outward placement, so that the testing is performed along with voice prompt, a human eye senses the flickering light through a left integrating sphere flickering light observation port (33), a middle integrating sphere flickering light observation port (34) and a left integrating sphere flickering light observation port (35), the yellow spot (19) of the human eye (18) is the most sensitive part of the vision of the human eye, absorbs the blue light to a certain extent, the excessive blue light can cause damage to the yellow spot, meanwhile, the sensitivity of the human eye to the flickering perception can be influenced, the integrating sphere (6) is positioned in the center of an eye axis, the left integrating sphere cavity (7) and the right integrating sphere cavity (9) are positioned on two sides, and an angle of 8 degrees is formed with the center of the eye axis;
s4, testing: when the test is started, voice prompt is given, the background plate (11) is lightened, blue-green light in the integrating sphere middle cavity (8) is lightened, lamps in the integrating sphere left cavity (7) and the integrating sphere right cavity (9) on two sides are not lightened, the system starts to flicker from higher frequency, the frequency starts to decrease according to the setting, meanwhile, an ambient light intensity sensor (12) which senses the brightness in real time is arranged in the integrating sphere middle cavity (8) to start working and feed back the brightness to the system in real time, an ambient light brightness sensor (15) feeds back the brightness of the background plate (11) to the system in real time, when the flicker frequency is reduced to the extent that the human eyes of the testee can sense the flicker frequency, the testee presses the key (23) of the handle (21) to finish a test in a small stage, according to the voice prompt, the test is circulated for 15 times, and the system automatically calculates the concentration index of the relative content of the macular lutein according to the flicker brightness sensed by human eyes.
CN202111623584.4A 2021-12-28 2021-12-28 Detection device and detection method for measuring human eye macular pigment concentration and asthenopia Pending CN114129124A (en)

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CN202111623584.4A CN114129124A (en) 2021-12-28 2021-12-28 Detection device and detection method for measuring human eye macular pigment concentration and asthenopia

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Application Number Priority Date Filing Date Title
CN202111623584.4A CN114129124A (en) 2021-12-28 2021-12-28 Detection device and detection method for measuring human eye macular pigment concentration and asthenopia

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