A computerized optometry apparatus and method

Abstract

The application relates to the field of vision correction, in particular to a computer optometry instrument and an optometry method, which comprise a fixed base, the upper end of the fixed base is slidably connected with a movable base, the upper end of the movable base is fixedly connected with an instrument main body, the rear upper end of the instrument main body is fixedly connected with a control screen, the front upper end of the instrument main body is fixedly connected with a lens, the rear right side of the fixed base is inserted with a power supply, the front end of the fixed base is fixedly connected with a limiting frame, and the middle part of the limiting frame is movably connected with an electric lifting platform; the eyes of a patient are heated, so that the eyes of the patient are relaxed, the accuracy of optometry is improved, some special patients can be assisted to open their eyes, the optometry instrument can detect the eyeballs of the patients, the efficiency and the accuracy of optometry work are improved, and the vision degree of each patient can be measured in detail.

Description

Technical Field

[0001] This invention relates to the field of vision correction technology, specifically to a computerized refractometer and a refraction method. Background Technology

[0002] A computerized refractometer is an optical system that uses the movement of an optical component to find a relatively accurate refractive state of the eye. After making a preliminary measurement, the optometrist can usually find a more accurate prescription in a short time based on the readings from the computerized refractometer, thus helping the patient to get a suitable pair of glasses.

[0003] In today's society, many people suffer from nearsightedness to varying degrees due to incorrect eye habits. Among these nearsighted patients are some special groups, such as those with long eyelashes and droopy eyelids. These patients' eyes are obstructed, thus affecting their vision. In addition, some young children have weak self-control and cannot keep their eyes wide open for long periods of time, which also makes vision work more difficult. Usually, when encountering such patients, optometrists will manually open their eyelids to make the patient's eyes open wider. However, the patient's face is close to the optometry instrument, the space is small, which is not easy to operate and will also cause discomfort to the patient.

[0004] In view of this, the present invention proposes a computerized refractometer and a refractory method to solve the above-mentioned technical problems. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides a computerized refractometer and refraction method, which solves the technical problem of eye obstruction caused by long eyelashes and drooping eyelids, thus hindering eye examination.

[0006] To achieve the above objectives, the present invention provides the following technical solution: an optical system for a computer optometry instrument, comprising a fixed base, a movable base slidably connected to the upper end of the fixed base, and an instrument body fixedly connected to the upper end of the movable base, a control screen fixedly connected to the upper rear end of the instrument body, and a lens fixedly connected to the upper front end of the instrument body, a power supply plugged into the rear right side of the fixed base, a limit frame fixedly connected to the front end of the fixed base, an electric lifting platform movably connected to the middle of the limit frame, and an operating lever movably connected to the rear upper end of the movable base;

[0007] The upper rear end of the limiting frame is equipped with an auxiliary mechanism that helps the patient open their eyes and ensures that the lens can detect the patient's eyeballs.

[0008] Preferably, the auxiliary mechanism includes a fixed rod, which is fixedly connected to the upper rear end of the limiting frame. Eye sockets are slidably connected to both sides of the lower end of the fixed rod. Cavities are formed on both sides of the interior of the fixed rod, and rotating shafts are rotatably connected inside the cavities. Motors are rotatably connected to the two rotating shafts on opposite sides. Electric heating cotton is provided inside the eye sockets, with the upper end of the electric heating cotton wrapped around the surface of the rotating shafts. A support ring is fixedly connected to the lower end of the electric heating cotton. Press switches are provided on both sides of the upper end of the fixed rod. A trigger rod is fixedly connected to the front end of the instrument body above the lens. Sliding grooves are formed on both inner walls of the eye sockets. Elastic metal sheets are glued to both sides of the electric heating cotton, and the elastic metal sheets are slidably connected inside the sliding grooves.

[0009] Preferably, a movable sleeve is movably connected between the surface of the rotating shaft and the electric heating cotton, and the movable sleeve is cylindrical, the rotating shaft is a rectangular prism, and the lower end of the fixed rod is open.

[0010] Preferably, the heating temperature of the electric heating cotton is between 36 and 40 degrees Celsius.

[0011] Preferably, a disinfection mechanism is fixedly connected to the top wall of the cavity. The disinfection mechanism includes a positioning box, which is fixedly connected to the top wall of the cavity. A positioning rod is fixedly connected between the inner walls of the two sides of the positioning box, and a disinfection roller is movably sleeved on the surface of the positioning rod.

[0012] Preferably, the top wall of the cavity is fixedly connected to a disinfection box inside the positioning box, and the lower end of the disinfection box is equidistantly connected to a press nozzle, and the positioning rod passes through the eccentric part of the disinfection roller.

[0013] Preferably, the electric heating cotton is made by splitting the electric heating eye mask in two, and the surface of the electric heating cotton is coated with a waterproof coating.

[0014] Preferably, the interior of the electrically heated cotton is filled with an ether solution packet.

[0015] Preferably, the disinfection roller is a soft cotton roller.

[0016] A refraction method using a computerized refractometer includes the following steps:

[0017] S1: The patient's forehead is pressed against the upper part of the limiting frame, and then the electric lifting platform is adjusted to support the patient's chin;

[0018] S2: Apply a warm compress to the patient's eyes to relax them;

[0019] S3: The patient closes their left eye and opens their right eye. The instrument body is moved by the movable base and raised and lowered by the operating lever so that the lens is aimed at the patient's right eye and captures the patient's eyeball for refraction and imaging.

[0020] S4: The patient closes their right eye and opens their left eye. The instrument body is moved by the movable base and raised and lowered by the operating lever so that the lens is aimed at the patient's left eye and captures the patient's eyeball for refraction and imaging.

[0021] S5: Print the data and complete the eye exam.

[0022] Compared with the prior art, the beneficial effects of the present invention are:

[0023] Heating the patient's eyes relieves eye fatigue, relaxes the eyes, and improves the accuracy of refraction. In addition, it can help some special patients to open their eyes wider, ensuring that the refractometer can detect the patient's eyeballs, thus improving the efficiency and accuracy of refraction work and enabling each patient to have their visual acuity measured in detail. Attached Figure Description

[0024] The invention will now be further described with reference to the accompanying drawings.

[0025] Figure 1 This is a schematic diagram of the existing optometer structure of the present invention;

[0026] Figure 2 This is a rear view of the limiting frame of the present invention;

[0027] Figure 3 This is a cross-sectional view of the auxiliary mechanism of the present invention;

[0028] Figure 4 This is a side view of the rotating shaft and movable sleeve of the present invention;

[0029] Figure 5 For the present invention Figure 3 Enlarged view of A in the middle;

[0030] Figure 6 This is a top view of the combination of electrically heated cotton and eye socket.

[0031] In the diagram: 1. Fixed base; 2. Movable base; 3. Main body of the instrument; 4. Control panel; 5. Power supply; 6. Limiting frame; 7. Electric lifting platform; 8. Lens; 9. Operating lever; 10. Auxiliary mechanism; 101. Fixed rod; 102. Eye socket; 103. Cavity; 104. Rotating shaft; 105. Motor; 106. Movable sleeve; 107. Electric heating cotton; 108. Support ring; 109. Press switch; 11. Disinfection mechanism; 111. Positioning box; 112. Positioning rod; 113. Disinfection roller; 114. Disinfection box; 115. Press nozzle; 12. Trigger rod; 13. Slide groove; 14. Elastic metal sheet. Detailed Implementation

[0032] To make the objectives, technical means, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are described clearly and completely. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0033] The present invention provides an optical system for a computer optometry instrument, which solves the technical problem of eye obstruction caused by long eyelashes and drooping eyelids, thus hindering optometry work; and the technical problem of providing an optical system for a computer optometry instrument.

[0034] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0035] like Figures 1 to 3 and Figure 6 As shown, this embodiment of the invention provides a computerized refractometer and refractory method, including a fixed base 1, a movable base 2 slidably connected to the upper end of the fixed base 1, and an instrument body 3 fixedly connected to the upper end of the movable base 2. A control screen 4 is fixedly connected to the upper rear end of the instrument body 3, and a lens 8 is fixedly connected to the upper front end of the instrument body 3. A power supply 5 is plugged into the rear right side of the fixed base 1, and a limit frame 6 is fixedly connected to the front end of the fixed base 1. An electric lifting platform 7 is movably connected to the middle of the limit frame 6, and an operating lever 9 is movably connected to the rear upper end of the movable base 2.

[0036] The upper rear end of the limiting frame 6 is provided with an auxiliary mechanism 10, which can help the patient open their eyes and ensure that the lens 8 can detect the patient's eyeballs.

[0037] The auxiliary mechanism 10 includes a fixed rod 101, which is fixedly connected to the upper rear end of the limiting frame 6. Eye sockets 102 are slidably connected to both sides of the lower end of the fixed rod 101. Cavities 103 are formed on both sides of the interior of the fixed rod 101. Rotating shafts 104 are rotatably connected inside the cavities 103. Motors 105 are rotatably connected to the two rotating shafts 104 on opposite sides. Electric heating cotton 107 is provided inside the eye socket 102, and the upper end of the electric heating cotton 107 is wrapped around... On the surface of the rotating shaft 104, a support ring 108 is fixedly connected to the lower end of the electric heating cotton 107. A push switch 109 is provided on both sides of the upper end of the fixing rod 101. A trigger rod 12 is fixedly connected to the front end of the instrument body 3 above the lens 8. Sliding grooves 13 are opened on both sides of the inner wall of the eye socket 102. Elastic metal sheets 14 are glued to both sides of the electric heating cotton 107, and the elastic metal sheets 14 are slidably connected to the inside of the sliding grooves 13. The heating temperature of the electric heating cotton 107 is between 36-40 degrees Celsius. The electric heating cotton 7 is made by dividing the electric heating eye mask into two parts. The inside of the electric heating cotton 107 is filled with an ether solution package.

[0038] During operation, the patient's forehead is first placed against the upper part of the limiting frame 6, and then the electric lifting platform 7 is adjusted to support the patient's chin. At this time, the patient's eyes are close to the auxiliary mechanism 10, and the eye sockets 102 on the auxiliary mechanism 10 cover the patient's eyes, so that the patient's glasses are in contact with the electrically heated cotton 107 inside the eye sockets 102. The electrically heated cotton 107 in the auxiliary mechanism 10 is first heated to a temperature between 36-40 degrees Celsius and maintained at a constant temperature. The electrically heated cotton 107 is then used to apply heat to the patient's eyes to relieve eye fatigue and relax the eyes. It should be noted that 36-40 degrees Celsius is a temperature that the human body is accustomed to and will not cause discomfort to the patient. At the same time, when the electrically heated cotton 107 is heated to 34.5 degrees Celsius, the ether solution package inside begins to boil, thereby generating vibration that massages the eyes, further relieving eye fatigue. After the eyes are relaxed, the refractive reading is measured. To achieve greater accuracy, the instrument body 3 is then moved to the patient's right eye by sliding the movable base 2 on the fixed base 1. At this time, the trigger rod 12 on the instrument body 3 will press the press switch 109 on the right side of the fixed rod 101, thereby activating the right motor 105. The right motor 105 drives the right rotating shaft 104 to rotate, thereby rolling the electric heating cotton 107 onto the rotating shaft 104. At this time, the support ring 108 moves upward with the electric heating cotton 107. It should be noted that when the electric heating cotton 107 is used for heat therapy on the eye, the support ring 108 and the patient... The lower eyelid is fitted, so when the support ring 108 moves up to the eye slit, it pushes the upper eyelid upward to open, thereby helping the patient to open their eyes wider. This avoids the situation where the eyeballs of patients with long eyelashes and droopy eyelids cannot be fully exposed in front of the lens 8, affecting the refraction. At the same time, elastic metal sheets 14 are glued to both sides of the electric heating cotton 107. The elastic metal sheets 14 are used to lock into the grooves 13 on the eye socket 102, thereby limiting the electric heating cotton 107. The locking of the elastic metal sheets 14 and the grooves 13 can adopt a combination of concave and convex textures, so that the elastic... The elastic metal strip 14 can slide vertically within the groove 13, but not horizontally, ensuring that the patient's eye can fit against the elastic electrically heated cotton 107. The elastic metal strip 14, similar to a measuring tape, can be rolled up by the rotating shaft 104. Then, the height of the instrument body 3 is adjusted by the operating lever 9 so that the lens 8 can capture the middle position of the patient's eyeball. After the lens 8 captures the eye, the refraction is completed. Then, the instrument body 3 is moved to the patient's left eye by sliding the movable base 2 on the fixed base 1, and the above operation is repeated. Finally, the data is printed.

[0039] As one embodiment of the present invention, such as Figure 2 and Figure 3 As shown, a movable sleeve 106 is movably sleeved between the surface of the rotating shaft 104 and the electric heating cotton 107, and the movable sleeve 106 is cylindrical. The rotating shaft 104 is a rectangular prism, and the lower end of the fixed rod 101 is open.

[0040] During operation, a movable sleeve 106 is fitted onto the surface of the rotating shaft 104, and the electric heating cotton 107 is connected to the movable sleeve 106. With the lower opening of the fixed rod 101, the eye socket 102 can slide left and right, thereby adjusting the distance between the two eye sockets 102. This is convenient for patients with different pupillary distances. It should be noted that by making the movable sleeve 106 cylindrical and the rotating shaft 104 rectangular, the movable sleeve 106 can only slide left and right on the rotating shaft 104 and cannot rotate relative to the rotating shaft 104. This ensures that when the rotating shaft 104 rotates, the electric heating cotton 107 can be wound up through the movable sleeve 106.

[0041] As one embodiment of the present invention, such as Figure 5 As shown, a disinfection mechanism 11 is fixedly connected to the top wall of the cavity 103. The disinfection mechanism 11 includes a positioning box 111, which is fixedly connected to the top wall of the cavity 103. A positioning rod 112 is fixedly connected between the inner walls of the two sides of the positioning box 111. A disinfection roller 113 is movably sleeved on the surface of the positioning rod 112. The disinfection roller 113 is a soft cotton roller.

[0042] During operation, when the electric heating cotton 107 is wound onto the rotating shaft 104, as the electric heating cotton 107 contracts, it comes into contact with the disinfection roller 113, thereby coating the surface of the electric heating cotton 107 with disinfectant. This disinfection roller 113 disinfects the electric heating cotton 107, avoiding the risk of cross-infection for optometrists caused by patients with eye diseases and improving the safety of optometry. It should be noted that since the disinfection roller 113 is a soft cotton roller, it can be compressed and will not cause contact with the electric heating cotton 107 due to the increased diameter after winding.

[0043] As one embodiment of the present invention, such as Figure 5 As shown, the top wall of the cavity 103 is located inside the positioning box 111 and a disinfection box 114 is fixedly connected thereto. The lower end of the disinfection box 114 is equidistantly connected to a press nozzle 115. The positioning rod 112 passes through the eccentric part of the disinfection roller 113.

[0044] The surface of the electric heating cotton 107 is coated with a waterproof coating;

[0045] During operation, when the electric heating cotton 107 comes into contact with the disinfection roller 113, the rotation of the disinfection roller 113 is driven by the winding of the electric heating cotton 107. Since the positioning rod 112 passes through the eccentric part of the disinfection roller 113, the disinfection roller 113 will intermittently contact the pressing nozzle 115 above, thereby squeezing the disinfectant in the disinfection box 114 onto the disinfection roller 113 through the pressing nozzle 115 to complete the intermittent addition of disinfectant, ensuring the continuity of disinfection. Moreover, the disinfectant can be an ethanol-based disinfectant to avoid residue and harm to the human body.

[0046] A refraction method using a computerized refractometer includes the following steps:

[0047] S1: The patient's forehead is pressed against the upper part of the limiting frame, and then the electric lifting platform is adjusted to support the patient's chin;

[0048] S2: Apply a warm compress to the patient's eyes to relax them;

[0049] S3: The patient closes their left eye and opens their right eye. The instrument body is moved by the movable base and raised and lowered by the operating lever so that the lens is aimed at the patient's right eye and captures the patient's eyeball for refraction and imaging.

[0050] S4: The patient closes their right eye and opens their left eye. The instrument body is moved by the movable base and raised and lowered by the operating lever so that the lens is aimed at the patient's left eye and captures the patient's eyeball for refraction and imaging.

[0051] S5: Print the data and complete the eye exam.

[0052] Working principle:

[0053] During operation, firstly, the patient's forehead rests against the upper part of the limiting frame 6, then the electric lifting platform 7 is adjusted to support the patient's chin. At this time, the patient's eyes are close to the auxiliary mechanism 10, and the eye sockets 102 on the auxiliary mechanism 10 cover the patient's eyes, so that the patient's glasses are in contact with the electric heating cotton 107 inside the eye sockets 102. First, the electric heating cotton 107 in the auxiliary mechanism 10 is heated to a temperature between 36-40 degrees Celsius and kept balanced. The electric heating cotton 107 is then used to apply heat to the patient's eyes to relieve eye fatigue and relax the eyes. It should be noted that 36-40 degrees Celsius is a temperature that the human body is accustomed to and will not cause discomfort to the patient. At the same time, when the electric heating cotton 107 is heated to 34 degrees Celsius...At 5 degrees Celsius, the ether solution inside begins to boil, generating vibrations that massage the eyes, further relieving eye fatigue. With the eyes relaxed, refractive readings become more accurate. Next, the main body 3 is moved to the patient's right eye by sliding the movable base 2 on the fixed base 1. At this time, the trigger rod 12 on the main body 3 presses the push switch 109 on the right side of the fixed rod 101, activating the right motor 105. The right motor 105 drives the right rotating shaft 104 to rotate, thus winding the electric heating cotton 107 onto the rotating shaft 104. The support ring 108 then moves upwards along with the electric heating cotton 107. It should be noted that... When the electrically heated cotton 107 is used to apply heat to the eyes, the support ring 108 is in contact with the patient's lower eyelid. Therefore, when the support ring 108 moves up to the slit of the eye, it will push the upper eyelid upward to open it, thereby helping the patient to open their eyes wider. This avoids the situation where the eyeballs of some patients with long eyelashes and droopy eyelids cannot be fully exposed in front of the lens 8, which would affect the refraction. At the same time, elastic metal sheets 14 are glued to both sides of the electrically heated cotton 107. The elastic metal sheets 14 are used to lock into the grooves 13 on the eye socket 102, thereby positioning the electrically heated cotton 107 and ensuring that the patient's eyes can be in contact with the electrically heated cotton 107. The elastic metal sheets 14 are similar to a measuring tape and can be rotated by the shaft 1. 04. After rewinding, the height of the instrument body 3 is adjusted using the operating lever 9 so that the lens 8 can capture the center of the patient's eyeball. After the lens 8 captures the image, the refraction is completed. Then, the movable base 2 slides on the fixed base 1 to move the instrument body 3 to the patient's left eye and repeats the above operation. Finally, the data is printed. When the electric heating cotton 107 is rewound onto the rotating shaft 104, as the electric heating cotton 107 contracts, it comes into contact with the disinfection roller 113, thereby using the disinfection roller 113 to disinfect the electric heating cotton 107. This avoids the risk of cross-infection for the refraction examiner due to the patient having an eye disease, thus improving the efficiency of the refraction. Regarding safety, it should be noted that because the disinfection roller 113 is a soft cotton roller, it can be compressed and will not come into contact with the electric heating cotton 107 due to its increased diameter after winding. When the electric heating cotton 107 comes into contact with the disinfection roller 113, its winding will cause the disinfection roller 113 to rotate. Since the positioning rod 112 passes through the eccentric part of the disinfection roller 113, the disinfection roller 113 will intermittently come into contact with the pressing nozzle 115 above it. This intermittently adds disinfectant to the disinfection roller 113 by squeezing the disinfectant solution in the disinfection box 114 through the pressing nozzle 115, ensuring continuous disinfection.

[0054] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A computer-controlled refractometer, comprising a fixed base (1), a movable base (2) slidably connected to the upper end of the fixed base (1), and an instrument body (3) fixedly connected to the upper end of the movable base (2), a control screen (4) fixedly connected to the upper rear end of the instrument body (3), and a lens (8) fixedly connected to the upper front end of the instrument body (3), a power supply (5) plugged into the rear right side of the fixed base (1), a limit frame (6) fixedly connected to the front end of the fixed base (1), an electric lifting platform (7) movably connected to the middle of the limit frame (6), and an operating lever (9) movably connected to the rear upper end of the movable base (2); characterized in that, The upper rear end of the limiting frame (6) is provided with an auxiliary mechanism (10), which can help the patient open their eyes and ensure that the lens (8) can detect the patient's eyeball; The auxiliary mechanism (10) includes a fixed rod (101), which is fixedly connected to the upper rear end of the limiting frame (6). Eye sockets (102) are slidably connected to both sides of the lower end of the fixed rod (101). Cavities (103) are opened on both sides of the interior of the fixed rod (101). Rotary shafts (104) are rotatably connected inside the cavities (103). Motors (105) are rotatably connected to the two rotating shafts (104) on opposite sides. Electric heating cotton (107) is provided inside the eye sockets (102). The upper end of (107) is wrapped around the surface of the rotating shaft (104). The lower end of the electric heating cotton (107) is fixedly connected to a support ring (108). Both sides of the upper end of the fixed rod (101) are provided with push switches (109). The front end of the instrument body (3) is located above the lens (8) and is fixedly connected to a trigger rod (12). Both sides of the inner wall of the eye socket (102) are provided with sliding grooves (13). Both sides of the electric heating cotton (107) are glued with elastic metal sheets (14), and the elastic metal sheets (14) are slidably connected to the inside of the sliding grooves (13). A disinfection mechanism (11) is fixedly connected to the top wall of the cavity (103). The disinfection mechanism (11) includes a positioning box (111). The positioning box (111) is fixedly connected to the top wall of the cavity (103). A positioning rod (112) is fixedly connected between the inner walls of the two sides of the positioning box (111). A disinfection roller (113) is movably sleeved on the surface of the positioning rod (112). The top wall of the cavity (103) is located inside the positioning box (111) and a disinfection box (114) is fixedly connected thereto. The lower end of the disinfection box (114) is equidistantly connected to a press nozzle (115). The positioning rod (112) passes through the eccentric part of the disinfection roller (113).

2. The computerized refractometer according to claim 1, characterized in that, A movable sleeve (106) is movably sleeved between the surface of the rotating shaft (104) and the electric heating cotton (107), and the movable sleeve (106) is cylindrical. The rotating shaft (104) is a rectangular prism, and the lower end of the fixed rod (101) is open.

3. The computerized refractometer according to claim 1, characterized in that, The heating temperature of the electric heating cotton (107) is between 36 and 40 degrees Celsius.

4. The computerized refractometer according to claim 1, characterized in that, The electric heating cotton (107) is made by dividing the electric heating eye mask into two parts, and the surface of the electric heating cotton (107) is coated with a waterproof coating.

5. A computerized refractometer according to claim 1, characterized in that, The electric heating cotton (107) is filled with an ether solution packet.

6. A computerized refractometer according to claim 1, characterized in that, The disinfection roller (113) is a soft cotton roller.

7. A method for refraction using a computerized refractometer, applicable to the computerized refractometer described in any one of claims 1 to 6, characterized in that, Includes the following steps: S1: The patient's forehead is pressed against the upper part of the limiting frame, and then the electric lifting platform is adjusted to support the patient's chin; S2: Apply a warm compress to the patient's eyes to relax them; S3: The patient closes their left eye and opens their right eye. The instrument body is moved by the movable base and raised and lowered by the operating lever so that the lens is aimed at the patient's right eye and captures the patient's eyeball for refraction and imaging. S4: The patient closes their right eye and opens their left eye. The instrument body is moved by the movable base and raised and lowered by the control lever so that the lens is aimed at the patient's left eye and captures the patient's eyeball for refraction and imaging. S5: Print the data and complete the eye exam.

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