CN111870219A

CN111870219A - Vision detection system and optometry method for preventing overcorrection

Info

Publication number: CN111870219A
Application number: CN202010746903.XA
Authority: CN
Inventors: 刘科佑; 阮友德; 郑敏科; 杨媛; 张瑶洁
Original assignee: Shenzhen Polytechnic
Current assignee: Shenzhen Polytechnic
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2020-11-03

Abstract

The invention discloses a vision detection system and an optometry method for preventing overcorrection, which comprises a reflector, a seat and a vision detection box made of light-transmitting glass sand, and comprises the following detection steps: a person to be detected sits on the seat facing the reflector, the position of the seat is adjusted, and the heights of the reflector and the vision detection box are adjusted through the control box, so that the vision detection box, the reflector and the eyes of the person to be detected are positioned in the same horizontal plane; the LED matrix lamp is adjusted to be white light, and a doctor performs primary vision detection on a detected person through an eye chart; the LED matrix lamp is adjusted to be single color light or multi-color light, and a doctor carries out subsequent vision detection on the detected person through the visual chart. The invention skillfully utilizes the principle of mirror surface imaging, presents the pattern of the visual chart to the detected person through the mirror, and increases the distance between the visual chart and the detected person in a limited space; the LED matrix lamp can provide light sources with various colors, and a doctor can detect the comprehensive vision condition of a detected person through the visual chart matched with the LED lamp.

Description

Vision detection system and optometry method for preventing overcorrection

Technical Field

The invention relates to the field of vision detection and protection equipment, in particular to a vision detection system and an optometry method for preventing overcorrection.

Background

The economic development promotes the progress of the education level, but the academic pressure of students at the present stage is increased, the more and more important academic pressure forces the students to put more time into learning, the longer learning increases the eye burden, and the eye using of part of students is not standard, so that the number of myopia students at the present stage is increased.

It is known that in order to obtain the degree of myopia of a patient's eye, vision needs to be tested before the myopic eye is matched. The methods for detecting vision are various, and the simplest method is to judge the vision of a patient through an eye chart. Most eyeglass stores stick a visual chart on the wall, and then let the patient sit on the chair to watch line by line, which has the following disadvantages: the real vision of a patient cannot be measured due to the limitation of the area of a store in a part of glasses stores and the undersize distance between an eyesight meter and a seat; secondly, the height and the body type of each patient are different, and the visual chart with fixed height cannot be well suitable for each patient; dim in-store lamptubes not only can affect the detection precision, but also can bring discomfort to eyes of patients; fourthly, the visual chart of the monochromatic light source can not detect the color weakness of the detected person.

In order to solve the problems, the traditional visual chart is improved, and a vision detection system and an optometry method for preventing overcorrection are provided.

Disclosure of Invention

In order to solve the technical problems, the invention provides the following technical scheme:

the invention provides a vision detection system and an optometry method for preventing overcorrection, which comprise a vision detection box with a lifting function, a reflector and a seat with a rotating function, wherein a first fixing frame is arranged under the reflector, the first fixing frame is fixedly connected with a first electric push rod with a vertically upward moving end through a first mounting groove arranged in the first fixing frame, and the bottom of the reflector is fixedly connected with the moving end of the first electric push rod; a second fixing frame is arranged right below the vision detection box, a second electric push rod with a moving end vertically upwards is fixedly connected to the second fixing frame through a second mounting groove arranged in the second fixing frame, the moving end of the second electric push rod is fixedly connected with a mounting frame, and the vision detection box is fixedly connected with one surface, close to the reflector, of the mounting frame; the seat is arranged between the vision detection box and the reflector, a bottom plate is welded at the bottom of the seat, and four top corners of the bottom surface of the bottom plate are fixedly connected with universal wheels with a braking function through bolts.

As a preferable technical scheme of the invention, a first base and a second base for improving the stability of the reflector and the vision detection box are respectively welded at the bottoms of the first fixing frame and the second fixing frame.

As a preferred technical scheme of the present invention, a first suction cup is fixedly connected to a center of a bottom surface of the first base, a second suction cup is fixedly connected to four corners of a bottom surface of the second base, and a diameter of the first suction cup is larger than that of the second suction cup.

According to a preferred technical scheme of the invention, soft pads for improving the use comfort are bonded on the side surfaces and the top surface of the seat.

As a preferable technical scheme of the invention, the vision detection box is formed by connecting a main body and a side plate through bolts, wherein the side surface of the main body close to one end of a reflector is made of light-transmitting glass sand, the side surface of the main body is provided with a vision test chart, and the side surface of the side plate close to one end of the main body is fixedly connected with an LED matrix lamp for changing the color and the brightness of the vision test chart.

As a preferred technical scheme of the invention, a control box for controlling the first electric push rod, the second electric push rod and the LED matrix lamp to operate is fixedly connected to the side surface of the seat through a screw, and a key area convenient for a user to operate is arranged outside the control box.

As a preferred technical solution of the present invention, a main controller, and a first wireless signal generator and a second wireless signal generator electrically connected to the main controller are disposed inside the control box, and the first wireless signal generator and the second wireless signal generator are wirelessly connected to a first wireless signal receiver and a second wireless signal receiver respectively, which are fixedly connected to the side surfaces of the first fixing frame and the second fixing frame.

As a preferred technical solution of the present invention, a first sub-controller and a second sub-controller electrically connected to a first wireless signal receiver and a second wireless signal receiver are respectively and fixedly connected to side surfaces of the first fixing frame and the second fixing frame, the first sub-controller is electrically connected to the first electric push rod, and the second sub-controller is electrically connected to the second electric push rod and the LED matrix lamp.

As a preferred technical scheme of the invention, the method specifically comprises the following steps:

s1, the detected person sits on the seat facing the reflector, and the position of the seat is adjusted under the guidance of a doctor, so that a proper distance is kept between the seat and the reflector;

s2, adjusting the heights of the reflector and the vision detection box through the control box according to the height of the user, so that the vision detection box, the reflector and the user' S eyes are positioned in the same horizontal plane;

s3, adjusting the LED matrix lamp into white light, and carrying out primary vision detection on the detected person by the doctor through the visual chart;

and S4, adjusting the LED matrix lamp into a single color light, and carrying out subsequent vision detection on the detected person through the visual chart by the doctor.

As a preferred technical solution of the present invention, in S1, the user also directly faces the vision inspection box to perform vision inspection; in S4, the physician may also adjust the LED matrix lights to alternate colors.

The invention has the beneficial effects that:

firstly, the invention skillfully utilizes the principle of mirror surface imaging, presents the pattern of the visual chart to the person to be detected through the mirror, increases the distance between the visual chart and the person to be detected in a limited space, and brings gospel to the spectacle store with small store area.

The seat is rotatable, so that the person to be detected can directly perform vision detection facing the visual chart and can also rotate to watch the visual chart through a mirror, and the selection is diversified.

The LED matrix lamp can provide light sources with various colors, and doctors can detect the comprehensive vision condition of the detected person through the visual chart matched with the LED lamp, so that excessive correction can be effectively prevented; meanwhile, the vision detection box made of the light-transmitting glass sand can effectively filter blue light emitted by the LED matrix lamp, and can avoid the blue light from damaging the vision of other detection personnel.

Fourthly, the control box provides convenience for the control of the invention.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic diagram of a vision testing system and a method of optometry for preventing overcorrection in accordance with the present invention;

FIG. 2 is an enlarged schematic view of the vision testing system and method of refraction of the present invention at A of FIG. 1;

FIG. 3 is an enlarged schematic view of a vision testing system and a method of preventing overcorrection at optometry B of the present invention;

FIG. 4 is a schematic diagram of an exploded view of a vision inspection box of the vision inspection system and the optometry method for preventing overcorrection according to the present invention;

FIG. 5 is a control schematic diagram of a vision testing system and optometry control box to prevent overcorrection in accordance with the present invention;

in the figure: 1. a seat; 2. a soft cushion; 3. a base plate; 4. a universal wheel; 5. a first base; 6. a first fixing frame; 7. a first electric push rod; 8. a reflective mirror; 9. a first mounting groove; 10. a first suction cup; 11. a second suction cup; 12. a second base; 13. a second fixing frame; 14. a second electric push rod; 15. a second mounting groove; 16. a mounting frame; 17. a vision detection box; 171. a main body; 172. a side plate; 18. an eye chart; 19. an LED matrix lamp; 20. a master controller; 21. a first wireless signal generator; 22. a second wireless signal generator; 23. a first wireless signal receiver; 24. a second wireless signal receiver; 25. a first sub-controller; 26. a second sub-controller; 27. and a control box.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1 to 3, the vision testing system and the optometry method for preventing overcorrection comprise a vision testing box 17 with a lifting function, a reflective mirror 8 and a seat 1 with a rotating function, wherein a first fixing frame 6 is arranged under the reflective mirror 8, the first fixing frame 6 is fixedly connected with a first electric push rod 7 with a moving end vertically upwards through a first mounting groove 9 arranged in the first fixing frame 6, and the bottom of the reflective mirror 8 is fixedly connected with the moving end of the first electric push rod 7.

Be provided with second mount 13 under vision detection case 17, second mount 13 removes end vertical ascending second electric putter 14 through setting up 15 fixedly connected with in its inside second mounting groove, second electric putter 14 removes end fixedly connected with mounting bracket 16, vision detection case 17 is close to one side fixed connection of reflector 8 with mounting bracket 16.

The bottom of the first fixing frame 6 and the bottom of the second fixing frame 13 are respectively welded with a first base 5 and a second base 12 which are used for improving the stability of the reflector 8 and the vision detection box 17. The first base 5 bottom surface center department fixedly connected with first sucking disc 10, the equal fixedly connected with second sucking disc 11 in four apex angle departments of second base 12 bottom surface, the diameter of first sucking disc 10 is greater than second sucking disc 11. The first suction cup 10 and the second suction cup 11 can improve the stability of the first base 5 and the second base 12, respectively, and the reflective mirror 8 is equipped with the first suction cup 10 having a larger diameter due to its characteristics of being heavy and fragile.

Seat 1 sets up between visual detection case 17 and reflector 8 to the bottom welding of seat 1 has bottom plate 3, four apex angle departments of bottom plate 3 bottom surface all have the universal wheel 4 with brake function through bolted connection. The side and the top of the seat 1 are both bonded with cushions 2 for improving the use comfort.

As shown in fig. 4 and 5, the vision detecting box 17 is composed of a main body 171 and a side plate 172 which are connected by bolts, wherein the side surface of the main body 171 close to one end of the reflector 8 is made of light-transmitting glass sand, the light-transmitting glass sand can filter blue light emitted by the LED matrix lamp 19, and the vision of a person to be detected can be prevented from being damaged by the blue light. The side of the main body 171 is provided with the visual chart 18, and the side of the side plate 172 near one end of the main body 171 is fixedly connected with an LED matrix lamp 19 for changing the color and brightness of the visual chart 18.

The side of the seat 1 is fixedly connected with a control box 27 for controlling the first electric push rod 7, the second electric push rod 14 and the LED matrix lamp 19 to operate through screws, and a button area convenient for a user to control is arranged outside the control box 27.

The inside of control box 27 is provided with total controller 20 and the first wireless signal generator 21 and the second wireless signal generator 22 with main control unit electric connection, first wireless signal generator 21 and second wireless signal generator 22 respectively with fixed connection at first mount 6 and the first wireless signal receiver 23 and the wireless signal receiver 24 wireless connection of second mount 13 side. The side surfaces of the first fixing frame 6 and the second fixing frame 13 are respectively and fixedly connected with a first sub-controller 25 and a second sub-controller 26 which are electrically connected with a first wireless signal receiver 23 and a second wireless signal receiver 24, the first sub-controller 25 is electrically connected with the first electric push rod 7, and the second sub-controller 26 is electrically connected with the second electric push rod 14 and the LED matrix lamp 19.

A detection step:

s1, the detected person sits on the seat 1 facing the reflector 8 (the method skillfully utilizes the principle of mirror imaging and is suitable for a small-area spectacle store or optometry room), and the position of the seat 1 is adjusted under the guidance of a doctor, so that a proper distance is kept between the seat 1 and the reflector 8;

s2, adjusting the heights of the reflector 8 and the vision detection box 17 through the control box 27 according to the height of the user, so that the vision detection box 17, the reflector 8 and the eyes of the user are positioned in the same horizontal plane;

s3, turning the LED matrix lamp 19 into white light, and carrying out primary vision detection on the detected person through the visual chart 18 by the doctor;

and S4, adjusting the LED matrix lamp 19 into a single color light, and performing subsequent vision detection on the detected person through the visual chart 18 by the doctor.

In the step S1, the user also directly faces the vision inspection box 17 to perform vision inspection, and the method is suitable for a glasses shop or an optometry room with a large area; in S4, the physician may also adjust the LED matrix lamp 19 to different colors, such as red and green, and the method may be used to detect whether the detected person is weak or not. Through the detection method, a doctor can detect the whole vision condition of a detected person in a relatively ready manner, and compared with the traditional detection mode, the detection method is more reasonable and has a wider detection range

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. 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

1. The vision detection system comprises a vision detection box (17) with a lifting function, a reflective mirror (8) and a seat (1) with a rotating function, and is characterized in that a first fixing frame (6) is arranged under the reflective mirror (8), the first fixing frame (6) is fixedly connected with a first electric push rod (7) with a vertically upward moving end through a first mounting groove (9) formed in the first fixing frame (6), and the bottom of the reflective mirror (8) is fixedly connected with the moving end of the first electric push rod (7); a second fixing frame (13) is arranged right below the vision detection box (17), the second fixing frame (13) is fixedly connected with a second electric push rod (14) with a moving end vertically upward through a second mounting groove (15) formed in the second fixing frame (13), the moving end of the second electric push rod (14) is fixedly connected with a mounting frame (16), and the vision detection box (17) is fixedly connected with one surface, close to the reflector (8), of the mounting frame (16); seat (1) sets up between visual detection case (17) and reflector (8) to the bottom welding of seat (1) has bottom plate (3), four apex angle departments of bottom plate (3) bottom surface all have universal wheel (4) with brake function through bolted connection.

2. The vision detection system according to claim 1, characterized in that the first mount (6) and the second mount (13) are welded at their bottom with a first base (5) and a second base (12), respectively, for improving the stability of the mirror (8) and the vision detection box (17).

3. The vision detecting system according to claim 2, wherein a first sucking disc (10) is fixedly connected to the center of the bottom surface of the first base (5), a second sucking disc (11) is fixedly connected to each of four corners of the bottom surface of the second base (12), and the diameter of the first sucking disc (10) is larger than that of the second sucking disc (11).

4. The vision inspection system according to claim 1, characterized in that cushions (2) for improving the comfort of use are glued to both the sides and the top of the seat (1).

5. The vision inspection system according to claim 1, wherein the vision inspection box (17) is composed of a main body (171) and a side plate (172) which are connected by bolts, wherein the side of the main body (171) near one end of the reflector (8) is made of light-transmitting glass sand, the side of the main body (171) is provided with the vision test chart (18), and the side of the side plate (172) near one end of the main body (171) is fixedly connected with an LED matrix lamp (19) for changing the color and brightness of the vision test chart (18).

6. The vision detection system of claim 5, wherein a control box (27) for controlling the operation of the first electric push rod (7), the second electric push rod (14) and the LED matrix lamp (19) is fixedly connected to the side surface of the seat (1) through screws, and a button area convenient for a user to operate is arranged outside the control box (27).

7. The vision detection system according to claim 6, wherein a master controller (20) and a first wireless signal generator (21) and a second wireless signal generator (22) electrically connected with the master controller are arranged inside the control box (27), and the first wireless signal generator (21) and the second wireless signal generator (22) are respectively and wirelessly connected with a first wireless signal receiver (23) and a second wireless signal receiver (24) fixedly connected to the side surfaces of the first fixing frame (6) and the second fixing frame (13).

8. The vision detection system of claim 7, wherein a first sub-controller (25) and a second sub-controller (26) electrically connected to the first wireless signal receiver (23) and the second wireless signal receiver (24) are respectively fixedly connected to the lateral surfaces of the first fixing frame (6) and the second fixing frame (13), the first sub-controller (25) is electrically connected to the first electric push rod (7), and the second sub-controller (26) is electrically connected to the second electric push rod (14) and the LED matrix lamp (19).

9. The optometry method for preventing overcorrection is characterized by comprising the following steps:

s1, the detected person sits on the seat (1) facing the reflector (8), and the position of the seat (1) is adjusted under the guidance of a doctor, so that a proper distance is kept between the seat (1) and the reflector (8);

s2, adjusting the heights of the reflective mirror (8) and the vision detection box (17) through the control box (27) according to the height of the user, and enabling the vision detection box (17), the reflective mirror (8) and the eyes of the user to be located in the same horizontal plane;

s3, adjusting the LED matrix lamp (19) into white light, and carrying out primary vision detection on the detected person by a doctor through the visual chart (18);

s4, adjusting the LED matrix lamp (19) into single color light, and carrying out subsequent vision detection on the detected person through the visual chart (18) by the doctor.

10. The vision testing system and the optometric method of preventing overcorrection as set forth in claim 9, wherein in S1, the user also directly faces the vision testing box (17) for vision testing; in S4, the physician may also adjust the LED matrix light (19) to alternate colors.