Method for eliminating reflecting light ring on edge of myopic lens

Abstract

The invention provides a method for eliminating a reflecting light ring at the edge of a myopic lens, which comprises the following steps of: cutting the edge of the lens into a straight edge through lens cutting equipment, and treating the lens with the flat edge by using a matte treating agent or a frosted process; or the lens is provided with a cutting V-shaped groove, and edge coating is carried out on the lens; hydrophilic flexible paint is selected as a coating, and the color is black, dark gray, dark brown, dark blue or other dark colors according to requirements; the coating is uniformly coated on the edge of the lens by using a coating tool, the thickness of the coating is controlled between 0.1 mm and 0.2 mm, and through accurate edge cutting, matte surface treatment and edge coating, a reflection light ring on the edge of the myopic lens is effectively eliminated, the phenomena of light scattering and glare are reduced, and the visual comfort of a wearer is improved. The hydrophilic flexible paint is adopted for edge coating, light can be absorbed, reflection can be reduced, the edges of the lenses are coated with black or other colors, reflection light rings are eliminated, and the attractiveness of the glasses is improved.

Description

Technical Field

[0001] The invention relates to the technical field of lens processing, and in particular to a method for eliminating reflective apertures at the edges of myopia lenses. Background Art

[0002] In the current lens processing technology, it is often difficult to achieve precise requirements in lens edge cutting and shaping. The cutting accuracy is low and the error is large, resulting in the lens edge not being straight enough, which has an adverse effect on subsequent processing steps and cannot provide a good basis for eliminating reflective apertures.

[0003] In the matte surface processing stage, the existing technology cannot achieve a uniform processing effect, resulting in inconsistent surface roughness of the lens, serious light scattering problems, and the glare phenomenon cannot be effectively alleviated, thereby failing to improve the wearer's visual comfort.

[0004] For edge coating, existing coatings cannot effectively absorb light to reduce reflection, nor can they provide a variety of color options based on consumer demand, limiting the decorativeness and personalization of glasses.

[0005] The existing technology has limitations in applicability and cannot be widely applied to frameless, half-frame and full-frame glasses. For full-frame glasses, it is impossible to eliminate the reflective aperture and increase the aesthetics by coating the edge of the lens with a specific color.

[0006] The existing technology does not use transparent colorless anti-reflection liquid as a coating, which cannot achieve the effect of absorbing light and reducing reflection. It may also have an adverse effect on the appearance color and brightness of the lens, and cannot meet the requirements of environmental protection and health.

[0007] The existing technology has obvious deficiencies in eliminating the reflective aperture at the edge of myopia lenses, improving the visual comfort of the wearer, increasing the decorativeness and personalization of glasses, improving applicability, and meeting environmental protection and health needs. Therefore, we make improvements on this and propose a method for eliminating the reflective aperture at the edge of myopia lenses. Summary of the invention

[0008] The purpose of the present invention is to solve the problems in the existing background technology. In order to achieve the above invention purpose, the present invention provides the following technical solutions: a method for eliminating the reflective aperture at the edge of myopia lenses, comprising the following steps: step 1, cutting the lens edge and shaping it: using a lens cutting device to cut the lens edge into a straight edge, with a cutting accuracy and an error range controlled within ±0.1mm; Step 2, matte surface treatment: Use a matte treatment agent or a frosting process to treat the cut edge of the lens; after treatment, wipe the lens with a cleaning cloth to remove the residual treatment agent or debris on the surface, and use professional matte surface treatment equipment or materials to matte the edge of the lens; Step 3, anti-reflection liquid coating: Choose a transparent and colorless anti-reflection liquid as the coating; the refractive index of the anti-reflection liquid should match the lens material; use a coating tool to evenly apply the anti-reflection liquid on the edge of the lens; Allow the lenses to dry in the natural environment, or use low-temperature drying equipment to dry them at a temperature below 60°C for 25-30 minutes.

[0009] As the preferred technical solution of the present invention, step 1, the specific steps of cutting the edges of lenses are as follows: turning on the lens cutting equipment and preheating the equipment to the working temperature; the preheating time of the equipment is 10-15 minutes, cleaning the working table and the cutter of the lens cutting equipment; selecting the lens to be cut and shape-cut, and checking whether there are scratches or defects on the surface of the lens.

[0010] As the preferred technical solution of the present invention, step 1, the specific steps of cutting the edges and shaping the lenses are as follows: adjusting the equipment parameters: setting the cutting speed of the cutting equipment according to the material and thickness of the lens; for resin lenses, the cutting speed is set to 20-30 mm / s; for glass lenses, the cutting speed is set to 10-20 mm / s; setting the cutting depth of the cutting equipment: the cutting depth is 0.1-0.2 mm greater than the thickness of the lens, and adjusting the angle of the tool so that it is perpendicular to the cutting direction of the lens, so that the cut edge is a straight edge; the tool angle is 90°, and the lens cannot be chamfered or corner-cut after cutting.

[0011] As the preferred technical solution of the present invention, step 1, the specific steps of cutting the edge and shaping the lens are as follows: placing the lens on the workbench of the cutting equipment with the lens in a fixed position; starting the cutting equipment and the tool starting to rotate; slowly feeding the lens into the cutting area along the guide rail of the workbench so that the tool contacts the lens; during the cutting process, the lens should be pushed forward at a uniform speed. After one side of the lens is cut, the lens is rotated 90° and the cutting of the adjacent sides is continued until all four sides of the lens are cut. After cutting, the lens cannot be chamfered or corner cut.

[0012] As a preferred technical solution of the present invention, when a matte treatment agent is selected during step 2, matte surface treatment, the matte treatment agent should be applied evenly during use so that the roughness of the lens surface is consistent.

[0013] As a preferred technical solution of the present invention, when a frosting process is selected during step 2, matte surface treatment, the sand particle size of the frosting process is selected to be 800-1000 mesh, the pressure of the frosting head is adjusted to 0.2-0.3 MPa, and the speed is set to 10-20 cm / s.

[0014] As a preferred technical solution of the present invention, step 3 also includes ultraviolet curing: the anti-reflection liquid is cured by ultraviolet light, and the surrounding coating on the edge of the lens is cured using an ultraviolet lamp; ultraviolet lamp power: 30W-50W; curing time: 5-10 minutes, 20-30 cm from the lens surface, friction resistance test: by using a piece of soft cotton cloth, applying a force of 1N-2N, rubbing back and forth on the coating on the edge of the lens 50-100 times, and observing whether the coating has obvious wear or shedding.

[0015] A method for eliminating the reflected aperture at the edge of a myopia lens comprises the following steps: Step 1: Cutting the edge of the lens: Place the lens on the workbench of the cutting equipment and adjust the position and angle; start the cutting equipment and cut according to the set parameters to cut the edge of the lens into a straight edge; during the cutting process, control the cutting accuracy and the error range within ±0.1mm; do not chamfer or cut the corners of the lens during cutting; Step 2: Make a V-shaped groove on the lens and paint the edge: Make a V-shaped groove on the edge of the lens using special tools; ensure that the size and shape of the V-shaped groove meet the design requirements for subsequent painting operations; Step 3. Select hydrophilic flexible paint as the coating. Choose black, dark gray, dark brown, dark blue or other dark colors according to actual needs. Ensure that the quality and performance of the coating meet the requirements and can effectively eliminate the reflective aperture. Use the coating tool to evenly apply the coating to the V-groove on the edge of the lens. During the coating process, pay attention to controlling the thickness of the coating to keep it between 0.1-0.2mm.

[0016] As a preferred technical solution of the present invention, the viscosity of the flexible paint should be controlled between 150-200 cps; the curing agent is prepared in a ratio of 100:5 between the flexible paint and the curing agent, and the mixture is fully stirred.

[0017] As a preferred technical solution of the present invention, after coating, the lens is placed in a heating device for heat strengthening treatment; the heating temperature is controlled within 60° C. and the heating time is 20-30 minutes.

[0018] Carry out a 100-grid test. Use a blade to cut 1 mm wide and 1 mm long squares on the coating at the edge of the lens. Then use 3M tape to stick to the blade to draw squares. Press the tape with a knife and tear it off quickly. There is no shedding or peeling of the coating on the edge of the lens.

[0019] Compared with the prior art, the beneficial effects of the present invention are as follows: In the scheme of the present invention, the reflective aperture at the edge of the myopia lens is effectively eliminated through precise edge cutting, matte surface treatment and edge coating, reducing light scattering and glare, and improving the visual comfort of the wearer.

[0020] By using hydrophilic flexible paint for edge coating, it can not only absorb light and reduce reflection, but also choose different colors according to consumer needs, increase the decorativeness and personalized options of glasses, and meet the market demand for fashion accessories.

[0021] Through heat reinforcement treatment and UV curing, the curing and color fastness of the coating are ensured, the wear resistance and durability of the lens edge coating are improved, and the service life of the glasses is extended.

[0022] The solution is applicable to frameless, half-frame and full-frame glasses and has wide applicability. In particular, for full-frame glasses, by coating the edge of the lens with black or other colored colors, not only the reflective aperture is eliminated, but also the glasses are made more beautiful.

[0023] By using transparent and colorless anti-reflection liquid as coating, it can not only absorb light and reduce reflection, but also has no effect on the appearance color and brightness of the lens, which is more environmentally friendly and healthy. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 Provide a flow chart of embodiment 1 of the present invention; Figure 2 Provide a flow chart of embodiment 2 of the present invention Figure 3 This is an experimental data diagram provided by the present invention. DETAILED DESCRIPTION

[0025] To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them.

[0026] Therefore, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the invention claimed for protection, but only represents some embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments are combined with each other. It should be noted that similar numbers and letters represent similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0027] Example 1: Please refer to Figure 1-Figure 3A method for eliminating reflective aperture at the edge of a myopia lens comprises the following steps: Step 1, cutting the edge of the lens into a straight edge by a lens cutting device, with a cutting accuracy and an error range controlled within ±0.1mm; after cutting, the lens cannot be chamfered or angled.

[0028] Step 2, matte surface treatment: Use a matte treatment agent or a frosting process to treat the cut edge of the lens; after treatment, wipe the lens with a cleaning cloth to remove the residual treatment agent or debris on the surface, and use professional matte surface treatment equipment or materials to matte the edge of the lens; Step 3, anti-reflection liquid coating: Choose a transparent and colorless anti-reflection liquid as the coating; the refractive index of the anti-reflection liquid should match the lens material; use a coating tool to evenly apply the anti-reflection liquid on the edge of the lens; Allow the lenses to dry in the natural environment, or use low-temperature drying equipment to dry them at a temperature below 60°C for 25-30 minutes.

[0029] Step 1: Specific steps for cutting the edges of lenses: Turn on the lens cutting equipment and preheat the equipment to the working temperature; the preheating time of the equipment is 10-15 minutes, clean the working table and cutter of the lens cutting equipment; select the lens that needs to be cut and shape, and check whether there are scratches or defects on the surface of the lens.

[0030] Step 1. Specific steps for cutting the edges and shapes of lenses: Adjust equipment parameters: Set the cutting speed of the cutting equipment according to the material and thickness of the lens; for resin lenses, the cutting speed is set to 20-30mm / s; for glass lenses, the cutting speed is set to 10-20mm / s; Set the cutting depth of the cutting equipment: the cutting depth is 0.1-0.2mm greater than the thickness of the lens, adjust the angle of the tool so that it is perpendicular to the cutting direction of the lens, and the cut edge is a straight edge; the tool angle is 90°, and the lens cannot be chamfered or cornered after cutting.

[0031] Step 1. Specific steps for cutting the edges and shapes of lenses: Place the lens on the workbench of the cutting equipment and fix the position of the lens; start the cutting equipment and the tool starts to rotate; slowly feed the lens into the cutting area along the guide rail of the workbench so that the tool contacts the lens; during the cutting process, keep pushing the lens at a constant speed. After one side of the lens is cut, rotate the lens 90° and continue cutting the adjacent sides until all four sides of the lens are cut.

[0032] Step 2: When a matte treatment agent is used in the process of matte surface treatment, the matte treatment agent should be applied evenly during use so that the roughness of the lens surface is consistent.

[0033] Step 2: When a frosting process is used in the process of matte surface treatment, the sand particle size of the frosting process is selected to be 800-1000 mesh, the pressure of the frosting head is adjusted to 0.2-0.3 MPa, and the speed is set to 10-20 cm / s.

[0034] Step 3 also includes ultraviolet curing: the anti-reflection liquid is cured by ultraviolet light, and the surrounding coating on the edge of the lens is cured using an ultraviolet lamp; the power of the ultraviolet lamp is 30W-50W; the curing time is 5-10 minutes, and the distance from the lens surface is 20-30 cm. Friction resistance test: use a soft cotton cloth to apply a force of 1N-2N, rub back and forth on the coating on the edge of the lens 50-100 times, and observe whether the coating has obvious wear or shedding.

[0035] Through precise edge cutting, matte surface treatment and edge coating, the reflective aperture at the edge of the myopia lens is effectively eliminated, light scattering and glare are reduced, and the wearer's visual comfort is improved.

[0036] By using hydrophilic flexible paint for edge coating, it can not only absorb light and reduce reflection, but also choose different colors according to consumer needs, increase the decorativeness and personalized options of glasses, and meet the market demand for fashion accessories.

[0037] Through heat reinforcement treatment and UV curing, the curing and color fastness of the coating are ensured, the wear resistance and durability of the lens edge coating are improved, and the service life of the glasses is extended.

[0038] The solution is applicable to frameless, half-frame and full-frame glasses and has wide applicability. In particular, for full-frame glasses, by coating the edge of the lens with black or other colored colors, not only the reflective aperture is eliminated, but also the glasses are made more beautiful.

[0039] By using transparent and colorless anti-reflection liquid as coating, it can not only absorb light and reduce reflection, but also has no effect on the appearance color and brightness of the lens, which is more environmentally friendly and healthy.

[0040] Embodiment 2: A method for eliminating the reflective aperture at the edge of a myopia lens, comprising the following steps: A method for eliminating the reflective aperture at the edge of a myopia lens, comprising the following steps: Step 1: Cutting the edge of the lens: Place the lens on the workbench of the cutting equipment and adjust the position and angle; start the cutting equipment and cut according to the set parameters to cut the edge of the lens into a straight edge; during the cutting process, control the cutting accuracy and the error range within ±0.1mm; do not chamfer or cut the corners of the lens during cutting; Step 2: Make a V-shaped groove on the lens and paint the edge: Make a V-shaped groove on the edge of the lens using special tools; ensure that the size and shape of the V-shaped groove meet the design requirements for subsequent painting operations; Step 3. Select hydrophilic flexible paint as the coating. Choose black, dark gray, dark brown, dark blue or other dark colors according to actual needs. Ensure that the quality and performance of the coating meet the requirements and can effectively eliminate the reflective aperture. Use the coating tool to evenly apply the coating to the V-groove on the edge of the lens. During the coating process, pay attention to controlling the thickness of the coating to keep it between 0.1-0.2mm.

[0041] The viscosity of the flexible paint should be controlled between 150-200cps; prepare the curing agent in a ratio of 100:5 between the flexible paint and the curing agent, and stir thoroughly.

[0042] After coating, the lens is placed in a heating device for heat strengthening treatment; the heating temperature is controlled within 60°C and the heating time is 20-30 minutes; Carry out a 100-grid test. Use a blade to cut 1 mm wide and 1 mm long squares on the coating at the edge of the lens. Then use 3M tape to stick to the blade to draw squares. Press the tape with a knife and tear it off quickly. There is no shedding or peeling of the coating on the edge of the lens.

[0043] Lens edge cutting type: Select the appropriate lens cutting equipment and ensure that the equipment is in working order.

[0044] Clean the lens and remove dust and impurities on the surface to ensure cutting quality.

[0045] Cutting operation Place the lens on the workbench of the cutting equipment and adjust the position and angle.

[0046] Start the cutting equipment and cut according to the set parameters to cut the edge of the lens into a straight edge.

[0047] During the cutting process, the cutting accuracy is strictly controlled to ensure that the error range is controlled within ±0.1mm.

[0048] Note: Do not chamfer or corner cut the lens during cutting to keep the straightness of the lens edge.

[0049] 2. Cut the lens into V-grooves and coat the edges 1. Make a V-groove on the edge of the lens using a special tool. Make sure the size and shape of the V-groove meet the design requirements for subsequent painting operations.

[0050] 2. Choose the paint Choose hydrophilic flexible paint as the coating, and choose black, dark gray, dark brown, dark blue or other dark colors according to actual needs. Ensure that the quality and performance of the coating meet the requirements and can effectively eliminate the reflected aperture.

[0051] 3. Painting operation Using a painting tool (such as a small spray gun or brush), apply the paint evenly into the V-groove on the edge of the lens.

[0052] During the coating process, pay attention to controlling the thickness of the coating to keep it between 0.1-0.2mm. The required coating thickness can be achieved by multiple thin coatings to avoid excessive or uneven coating.

[0053] Ensure that the coating covers the V-groove on the entire edge of the lens, and there is no missing coating or accumulation. The working principle of the present invention: through a series of precise operating steps, including lens edge cutting, matte surface treatment, edge coating and anti-reflection liquid coating, etc., to eliminate the reflective aperture on the edge of the myopia lens. Lens edge cutting ensures that the lens edge is straight, providing a basis for subsequent processing; matte surface treatment makes the surface roughness of the lens consistent and reduces light scattering; edge coating uses hydrophilic flexible paint to absorb light and reduce reflection, and the color can be selected according to needs to increase decorativeness; anti-reflection liquid coating further reduces reflection and has no effect on the appearance color and brightness of the lens. Through thermal reinforcement treatment and ultraviolet curing, the curing and color fastness of the coating are ensured, and the wear resistance and durability are improved.

[0054] The specific working process of the present invention is as follows: 1. Lens cutting edge type: Turn on the lens cutting equipment and preheat it to working temperature for 10-15 minutes.

[0055] Clean work surfaces and knives to ensure they are free of dust and debris.

[0056] Select the lens and check whether there are scratches or defects on the surface.

[0057] Set the device parameters according to the lens material (resin or glass) and thickness: For resin lenses, the cutting speed is set to 20-30 mm / s; for glass lenses, the cutting speed is set to 10-20 mm / s.

[0058] The cutting depth is 0.1-0.2mm greater than the lens thickness.

[0059] Adjust the tool angle to 90° so that it is perpendicular to the lens cutting direction.

[0060] Place the lens on the workbench accurately and steadily. Start the equipment, and after the cutter rotates, slowly feed the lens along the guide rail into the cutting area, maintaining a constant speed. After completing one side of the cut, rotate the lens 90° and continue cutting the adjacent sides until all four sides are completed. The cutting accuracy error is controlled within ±0.1mm.

[0061] 2. Matte surface treatment: When using a matte treatment agent, apply it evenly to make the surface roughness of the lens uniform.

[0062] When using the frosting process, choose a sand particle size of 800-1000 mesh, adjust the frosting head pressure to 0.2-0.3MPa, and the speed to 10-20cm / s to achieve a good matte effect. After treatment, wipe the lens with a cleaning cloth to remove residual treatment agents or debris on the surface.

[0063] 3. Edge coating: Choose hydrophilic flexible paint as the coating, and choose black or other colored colors according to your needs. The viscosity of the flexible paint should be controlled between 150-200cps.

[0064] Prepare curing agent according to the ratio of flexible paint to curing agent of 100:5 and stir thoroughly.

[0065] Use a coating tool (such as a small spray gun or brush) to evenly apply the paint to the edge of the lens, and the coating thickness should be controlled between 0.1-0.2mm.

[0066] After coating, the lenses are placed in a heating device for heat strengthening treatment. The heating temperature is controlled within 60°C and the time is 20-30 minutes to ensure the curing and color fastness of the coating.

[0067] 4. Anti-reflection fluid coating: Choose a transparent, colorless anti-reflection liquid as the coating, and its refractive index should match the lens material to achieve the best anti-reflection effect.

[0068] Use a coating tool to evenly apply the anti-reflection fluid to the edge of the lens, ensuring that the coating coverage is complete and even.

[0069] UV curing: Use a 30W-50W UV lamp, 20-30 cm away from the lens surface, and the curing time is 5-10 minutes.

[0070] Conduct a friction resistance test: Use a soft cotton cloth to apply a force of 1N-2N, rub the coating on the edge of the lens back and forth 50-100 times, and observe whether the coating is obviously worn or peeled off. Finally, let the lens dry in a natural environment, or use a low-temperature drying device to dry it at a temperature below 60°C for 25-30 minutes.

[0071] Experimental example Purpose In order to verify the effectiveness of the method of eliminating the reflective aperture at the edge of myopia lenses, we designed the following experiment: 1. Experimental group: This technical solution was adopted, including edge cutting, matte surface treatment, edge coating and anti-reflective fluid coating.

[0072] 2. Control group 1: only trimming and shaping were performed, without subsequent treatment.

[0073] 3. Control group 2: edge cutting and matte surface treatment, but no edge painting and anti-reflection fluid coating.

[0074] 4. Control group 3: Edge cutting and edge painting (black hydrophilic flexible paint) were performed, but matte surface treatment and anti-reflective fluid coating were not performed.

[0075] 5. Control group 4: Edge cutting and anti-reflection fluid coating were performed, but matte surface treatment and edge coating were not performed.

[0076] 6. Control group 5: The lens edges were rounded and no other steps were performed.

[0077] Each set of experiments used lenses of the same material and thickness, and the experiment was repeated 10 times to obtain the average value; Experimental data Experimental groups Aperture elimination effect score (out of 10 points) Friction resistance test score (out of 10 points) Aesthetics rating (out of 10) Experimental Group 9.5 9.0 8.5 Control group 1 4.0 N / A N / A Control group 2 7.0 8.0 N / A Control group 3 6.5 8.5 7.5 Control group 4 7.5 8.5 7.0 Control group 5 3.0 N / A N / A Data analysis Aperture elimination effect: The aperture elimination effect of the experimental group was significantly better than that of all control groups, especially compared with control group 1, which was improved by 137.5%. This shows that the combination of cutting edge cutting, matte surface treatment, edge coating and anti-reflection liquid coating is very effective in eliminating reflection aperture.

[0078] Friction resistance test: The experimental group also performed well in the friction resistance test, indicating that the coating has strong wear resistance.

[0079] Aesthetics: Although the aesthetics of the experimental group is slightly lower than some treatments that only focus on appearance (such as control group 3), the overall evaluation is still high, indicating that this method has achieved a good balance between practicality and aesthetics.

[0080] in conclusion By comprehensively comparing the data of the experimental group and the control group, we draw the following conclusions: 1. This technical solution can effectively eliminate the reflective aperture at the edge of the myopia lens while maintaining good durability and high aesthetics.

[0081] 2. Simple trimming or subsequent processing cannot achieve the same effect, which proves the importance of the synergistic effect of multiple steps in this solution.

[0082] 3. Compared with other methods, this solution performs well in aperture elimination effect, friction resistance and aesthetics, and is a comprehensive and effective solution.

[0083] 4. The method of rounding the edge of the lens cannot effectively eliminate the reflected aperture, which further confirms the superiority of this solution.

[0084] In summary, this method for eliminating the reflective aperture at the edge of myopia lenses is not only scientific and effective, but also has practical application value and is worthy of promotion and use in the eyewear manufacturing industry.

[0085] The above embodiments are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. Although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above specific implementation methods. Therefore, any modification or replacement of the present invention; and all technical solutions and improvements thereof that do not depart from the spirit and scope of the invention are included in the scope of the claims of the present invention.

Claims

1. A method for eliminating the reflective aperture at the edge of myopia lenses, characterized in that: The following steps are involved: Step 1: Cut the edge of the lens into a straight edge using a lens cutting device. The cutting accuracy and error range should be controlled within ±0.1mm. The lens cannot be chamfered or angled during cutting. Step 2, matte surface treatment: Use a matte treatment agent or a frosting process to treat the cut edge of the lens; after treatment, wipe the lens with a cleaning cloth to remove the residual treatment agent or debris on the surface, and use professional matte surface treatment equipment or materials to matte the edge of the lens; Step 3, anti-reflection liquid coating: Choose a transparent and colorless anti-reflection liquid as the coating; the refractive index of the anti-reflection liquid should match the lens material; use a coating tool to evenly apply the anti-reflection liquid on the edge of the lens; Allow the lenses to dry in the natural environment, or use low-temperature drying equipment to dry them at a temperature below 60°C for 25-30 minutes.

2. A method for eliminating the reflective aperture at the edge of myopia lenses according to claim 1, characterized in that: Step 1: Specific steps for cutting the edges of lenses: Turn on the lens cutting equipment and preheat the equipment to the working temperature; the preheating time of the equipment is 10-15 minutes, clean the working table and cutter of the lens cutting equipment; select the lens that needs to be cut and shape, and check whether there are scratches or defects on the surface of the lens.

3. A method for eliminating the reflective aperture at the edge of myopia lenses according to claim 1, characterized in that: Step 1. Specific steps for cutting the edges and shapes of lenses: Adjust equipment parameters: Set the cutting speed of the cutting equipment according to the material and thickness of the lens; for resin lenses, the cutting speed is set to 20-30mm / s; for glass lenses, the cutting speed is set to 10-20mm / s; Set the cutting depth of the cutting equipment: the cutting depth is 0.1-0.2mm greater than the thickness of the lens, adjust the angle of the tool so that it is perpendicular to the cutting direction of the lens, and the cut edge is a straight edge; the tool angle is 90°.

4. A method for eliminating the reflective aperture at the edge of myopia lenses according to claim 1, characterized in that: Step 1. Specific steps for cutting the edges and shapes of lenses: Place the lens on the workbench of the cutting equipment and fix the position of the lens; start the cutting equipment and the tool starts to rotate; slowly feed the lens into the cutting area along the guide rail of the workbench so that the tool contacts the lens; during the cutting process, keep pushing the lens at a constant speed. After cutting one side of the lens, rotate the lens 90° and continue cutting the adjacent sides until all four sides of the lens are cut. After cutting, the lens cannot be chamfered or corner cut.

5. A method for eliminating the reflective aperture at the edge of myopia lenses according to claim 1, characterized in that: Step 2: When a matte treatment agent is used in the process of matte surface treatment, the matte treatment agent should be applied evenly during use so that the roughness of the lens surface is consistent.

6. A method for eliminating the reflective aperture at the edge of myopia lenses according to claim 1, characterized in that: Step 2: When a frosting process is used in the process of matte surface treatment, the sand particle size of the frosting process is selected to be 800-1000 mesh, the pressure of the frosting head is adjusted to 0.2-0.3 MPa, and the speed is set to 10-20 cm / s.

7. A method for eliminating the reflective aperture at the edge of myopia lenses according to claim 1, characterized in that: Step 3 also includes ultraviolet curing: the anti-reflection liquid is cured by ultraviolet light, and the surrounding coating on the edge of the lens is cured using an ultraviolet lamp; the power of the ultraviolet lamp is 30W-50W; the curing time is 5-10 minutes, and the distance from the lens surface is 20-30 cm. Friction resistance test: use a soft cotton cloth to apply a force of 1N-2N, rub back and forth on the coating on the edge of the lens 50-100 times, and observe whether the coating has obvious wear or shedding.

8. A method for eliminating the reflective aperture at the edge of myopia lenses, characterized in that: The following steps are involved: Step 1: Cutting the edge of the lens: Place the lens on the workbench of the cutting equipment and adjust the position and angle; start the cutting equipment and cut according to the set parameters to cut the edge of the lens into a straight edge; during the cutting process, control the cutting accuracy and the error range within ±0.1mm; do not chamfer or cut the corners of the lens during cutting; Step 2: Make a V-shaped groove on the lens and paint the edge: Make a V-shaped groove on the edge of the lens using special tools; ensure that the size and shape of the V-shaped groove meet the design requirements for subsequent painting operations; Step 3. Select hydrophilic flexible paint as the coating. Choose black, dark gray, dark brown, dark blue or other dark colors according to actual needs. Ensure that the quality and performance of the coating meet the requirements and can effectively eliminate the reflective aperture. Use the coating tool to evenly apply the coating to the V-groove on the edge of the lens. During the coating process, pay attention to controlling the thickness of the coating to keep it between 0.1-0.2mm.

9. A method for eliminating the reflective aperture at the edge of myopia lenses according to claim 8, characterized in that: The viscosity of the flexible paint should be controlled between 150-200cps; prepare the curing agent in a ratio of 100:5 between the flexible paint and the curing agent, and stir thoroughly.

10. A method for eliminating the reflective aperture at the edge of myopia lenses according to claim 8, characterized in that: After coating, the lens is placed in a heating device for heat strengthening treatment; the heating temperature is controlled within 60°C and the heating time is 20-30 minutes. Carry out a 100-grid test. Use a blade to cut 1 mm wide and 1 mm long squares on the coating at the edge of the lens. Then use 3M tape to stick to the blade to draw squares. Press the tape with a knife and tear it off quickly. There is no shedding or peeling of the coating on the edge of the lens.

Images