CN110646949A - Novel orthokeratology mirror and manufacturing method thereof - Google Patents
Novel orthokeratology mirror and manufacturing method thereof Download PDFInfo
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- CN110646949A CN110646949A CN201910752490.3A CN201910752490A CN110646949A CN 110646949 A CN110646949 A CN 110646949A CN 201910752490 A CN201910752490 A CN 201910752490A CN 110646949 A CN110646949 A CN 110646949A
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- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/04—Contact lenses for the eyes
- G02C7/048—Means for stabilising the orientation of lenses in the eye
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Abstract
The invention discloses a novel orthokeratology mirror, which comprises a base arc area, wherein a reverse arc area is arranged on the outer side of the base arc area, a positioning arc area is arranged on the outer side of the reverse arc area, a peripheral arc area is arranged on the outer side of the positioning arc area, a guide area is arranged at the top of the peripheral arc area, a plurality of circulating holes are arranged on the peripheral arc area in a penetrating manner, a protecting ring is fixedly arranged inside each circulating hole, and a reinforcing layer is arranged on the front sides of the base arc area, the reverse arc area, the positioning arc area and the peripheral arc area. The guide area is arranged, so that the guide area is attached to the upper part of the eyeball of a user after the user wears the eye correction device, the upper eyelid of the user is guided when the user blinks, the friction force between the upper eyelid of the user and the guide area is reduced, and the negative pressure effect of the reversal arc area is matched, so that the deflection of the eye correction device is avoided, and the correction effect of the eye correction device is ensured.
Description
Technical Field
The invention relates to the technical field of optical vision, in particular to a novel orthokeratology mirror and a manufacturing method thereof.
Background
The cornea shaping lens is one of cornea contact lenses, can reshape the front surface shape of a cornea, enables the radian of the cornea to be flattened, and corrects myopia.
The orthokeratology mirror in the prior art has some defects in practical use, for example, in order to keep the circulation of tears under the mirror, metabolites are discharged, so that the condition of protein precipitation is reduced, therefore, the peripheral arc with the edge being raised is required to be arranged, so that the whole mirror is thick, a serious foreign body sensation can be generated in eyes when the orthokeratology mirror is worn, and meanwhile, because the whole mirror is thick, when a user blinks eyes, an upper eyelid can be in contact with the top end of the orthokeratology mirror and pushes the orthokeratology mirror to a certain degree, so that the orthokeratology mirror is slightly deviated, and the correction effect of the orthokeratology mirror can be influenced.
Therefore, it is necessary to invent a new orthokeratology mirror and a method for manufacturing the same to solve the above problems.
Disclosure of Invention
The invention aims to provide a novel orthokeratology mirror and a manufacturing method thereof, and the orthokeratology mirror is provided with a guide area so that the guide area is attached to the upper part of an eyeball of a user after the user wears the orthokeratology mirror, so that the guide area plays a role in guiding the upper eyelid of the user when the user blinks, the friction force between the orthokeratology mirror and the upper eyelid of the user is reduced, and the negative pressure effect of a reversal arc area is matched, so that the deviation generated by the orthokeratology mirror is avoided, the correction effect of the orthokeratology mirror is ensured, and the problems in the background art are solved.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a novel plastic mirror of cornea, includes the base arc district, the base arc district outside is equipped with the reversal arc district, the reversal arc district outside is equipped with the location arc district, the location arc district outside is equipped with peripheral arc district, peripheral arc district top is equipped with the direction district, it is equipped with a plurality of circulation holes to run through on the peripheral arc district, circulation hole internal fixation is equipped with the protection ring, base arc district, reversal arc district, location arc district and peripheral arc district front side are equipped with the enhancement layer.
Preferably, the base arc area, the reverse arc area, the positioning arc area, the peripheral arc area, the guide area, the circulation hole, the protection ring and the reinforcement layer are integrally formed.
Preferably, the base arc region, the inversion arc region, the positioning arc region, the peripheral arc region, the guide region, the circulation hole, the protection ring and the reinforcement layer are all made of Boston EM.
Preferably, the central thickness of the base arc area is 0.10-0.13 mm.
Preferably, the top end of the guide area is provided with an arc-shaped surface.
Preferably, the thickness of the top end of the guide area is smaller than that of the bottom end of the guide area.
Preferably, the top and the bottom of the guide area are both arc-shaped surfaces, and the smooth surface at the bottom of the guide area is matched with the eyeball.
The invention also provides a manufacturing method of the novel orthokeratology lens, which comprises the following steps:
step one, preparing manufacturing equipment and a mould: the manufacturing equipment comprises a bottom plate, wherein the top of the bottom plate is fixedly provided with an air cylinder, the top of the air cylinder is fixedly provided with a bearing plate, the top of the bearing plate is fixedly provided with a middle partition plate and two side partition plates, the two side partition plates are arranged at two sides of the middle partition plate, a forming die is arranged between the middle partition plate and the two side partition plates, a cover plate is fixedly arranged at the top of the forming die, the top of the cover plate is fixedly provided with a connecting rod and the bottom is fixedly provided with a guide rod, the top of the connecting rod is fixedly provided with a cross beam, the bottom of the cross beam is fixedly provided with a fixed rod which is fixedly arranged at the top of the bottom plate, the bearing plate is provided with a guide hole, the guide rod is arranged inside the guide hole, the forming die comprises a lower die and an upper die, a forming cavity is formed in the top of the lower die, a forming block is arranged at the bottom of the upper die, and a feeding pipeline penetrates through the upper die;
step two, base material treatment: adding Boston EM into a sealed container, and then heating the Boston EM into a fluid state;
step three, feeding: pressurizing the sealed container so as to push the Boston EM in a fluid state in the sealed container into a feeding pipeline, and then feeding the Boston EM in the fluid state into a forming cavity through the feeding pipeline;
step four, metering: detecting the feeding amount by using a flow meter, feeding in three times, wherein the first feeding amount is one half of the total amount, the second feeding amount is one third of the total amount, and the third feeding amount is one sixth of the total amount;
step five, cooling: standing for ten minutes after each feeding is finished, and cooling;
step six, removing the mold: after the third cooling is finished, the cylinder is controlled to be shortened, the bearing plate drives the lower die to descend when the cylinder is shortened, and the upper die fixedly connected with the cover plate is separated from the top of the lower die;
step seven, fetching the materials: a worker takes out and collects the finished product of the orthokeratology lens in the molding cavity by using forceps;
step eight, cleaning and sterilizing: and soaking the collected finished product of the orthokeratology lens in distilled water for five minutes, taking out the finished product of the orthokeratology lens, and soaking the finished product of the orthokeratology lens in hydrogen peroxide for five minutes to obtain a final finished product.
The invention has the technical effects and advantages that:
1. according to the invention, the guide area is arranged, so that the guide area is attached to the upper part of the eyeball of the user after the user wears the eye socket, the guide effect is realized for the upper eyelid of the user when the user blinks, the friction force between the guide area and the upper eyelid of the user is reduced, and the negative pressure effect of the reversal arc area is matched, so that the deviation generated by the eye socket is avoided, and the correction effect of the eye socket is ensured;
2. the design of the circulation hole enables the tear water to enter and exit from the circulation hole, so that the end part of the peripheral arc area is not required to be provided with an area with a raised edge, the thickness of the tear water collector can be effectively reduced in actual production, the material consumption of the tear water collector is reduced, and the use comfort of the tear water collector is improved;
3. the invention adopts a three-time feeding mode to feed, so as to solve the problem that the volume of the heated and fluid Boston EM is reduced after cooling, thereby leading the finished product mechanism produced by the invention to be more precise, having more accurate parameters and better using effect.
Drawings
Fig. 1 is a side view of the overall structure of the present invention.
FIG. 2 is a schematic view of the structure of part A in FIG. 1.
Fig. 3 is a schematic overall front view structure of the present invention.
FIG. 4 is a flow chart of the manufacturing method of the present invention.
FIG. 5 is a schematic structural diagram of a manufacturing apparatus according to the present invention.
Fig. 6 is a schematic structural view of a forming mold according to the present invention.
In the figure: the device comprises a base arc area 1, a reverse arc area 2, a positioning arc area 3, a peripheral arc area 4, a guide area 5, a circulation hole 6, a protection ring 7, a reinforcing layer 8, a bottom plate 9, a bearing plate 10, a middle partition plate 11, partition plates on two sides 12, a cover plate 13, a forming die 14, a connecting rod 15, a cross beam 16, a fixing rod 17, a guide rod 18, a guide hole 19, a cylinder 20, a lower die 21, a forming cavity 22, an upper die 23, a forming block 24 and a feeding pipeline 25.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The invention provides a novel orthokeratology mirror as shown in figures 1-3, which comprises a base arc area 1 for flattening the front surface of a cornea, wherein a reversal arc area 2 for providing a tear storage space and generating negative pressure is arranged on the outer side of the base arc area 1, a positioning arc area 3 for helping a lens to be positioned on the cornea is arranged on the outer side of the reversal arc area 2, a peripheral arc area 4 for circulating tear under the lens is arranged on the outer side of the positioning arc area 3, a guide area 5 is arranged at the top of the peripheral arc area 4, a plurality of circulating holes 6 are arranged on the peripheral arc area 4 in a penetrating manner, a protecting ring 7 is fixedly arranged inside the circulating holes 6, and a reinforcing layer 8 is arranged on the front sides of the base arc area 1, the reversal arc area 2, the positioning arc area 3 and the peripheral arc area 4.
From the above embodiment, it can be seen that: according to the invention, the guide area 5 is arranged, so that after a user wears the eye mask provided by the invention, the guide area 5 is attached to the upper part of the eyeball of the user, the upper eyelid of the user is guided when the user blinks, the friction force between the guide area 5 and the upper eyelid of the user is reduced, and the negative pressure effect of the reversal arc area 2 is matched, so that the deviation of the eye mask provided by the invention is avoided, the correction effect of the eye mask provided by the invention is ensured, and meanwhile, the design of the circulation hole 6 enables the tear water to enter and exit from the circulation hole, so that the end part of the peripheral arc area 4 is not required to be provided with an area with a raised edge, the thickness of the eye mask provided by the invention can be effectively reduced in the actual production process, the material.
Example 2
Further, in the above embodiment 1, the base arc region 1, the reverse arc region 2, the positioning arc region 3, the peripheral arc region 4, the guiding region 5, the circulation hole 6, the protection ring 7, and the reinforcement layer 8 are integrally formed, so that the manufacturing difficulty is reduced.
Further, in the above example 1, the base arc region 1, the reverse arc region 2, the positioning arc region 3, the peripheral arc region 4, the guiding region 5, the circulation hole 6, the protection ring 7 and the reinforcement layer 8 are all made of Boston EM, which is a high oxygen permeable polymer material and is specially applied to the production of orthokeratology lens.
Further, in the above example 1, the thickness of the center of the base arc region 1 is 0.10 to 0.13 mm.
Further, in the above embodiment 1, the top end of the guiding region 5 is set to be an arc-shaped surface, so that the end of the guiding region 5 is smooth, and the eyeball is prevented from being injured.
Further, in the above embodiment 1, the thickness of the top end of the guide area 5 is smaller than that of the bottom end, so that the upper eyelid can be smoothly moved downward.
Further, in the above embodiment 1, the top and the bottom of the guiding region 5 are both provided with arc-shaped surfaces, and the smooth surface at the bottom of the guiding region 5 is adapted to the eyeball, so that the guiding region 5 can be attached to the upper part of the eyeball of the user.
Example 3
The invention also provides a manufacturing method of the novel orthokeratology lens as shown in figures 4-6, which comprises the following steps:
step one, preparing manufacturing equipment and a mould: the manufacturing equipment comprises a bottom plate 9, wherein an air cylinder 20 is fixedly arranged at the top of the bottom plate 9, a bearing plate 10 is fixedly arranged at the top of the air cylinder 20, a middle partition plate 11 and two side partition plates 12 are fixedly arranged at the top of the bearing plate 10, the two side partition plates 12 are arranged at two sides of the middle partition plate 11, a forming mold 14 is arranged between the middle partition plate 11 and the two side partition plates 12, a cover plate 13 is fixedly arranged at the top of the forming mold 14, a connecting rod 15 is fixedly arranged at the top of the cover plate 13, a guide rod 18 is fixedly arranged at the bottom of the cover plate 13, a cross beam 16 is fixedly arranged at the top of the connecting rod 15, a fixing rod 17 is fixedly arranged at the bottom of the cross beam, the fixing rod 17 is fixedly arranged at the top of the bottom plate 9, a guide hole 19 is arranged on the bearing plate 10, the bottom of the upper die 23 is provided with a forming block 24, and the upper die 23 is provided with a feeding pipeline 25 in a penetrating way;
step two, base material treatment: adding Boston EM into a sealed container, and then heating the Boston EM into a fluid state;
step three, feeding: pressurizing the sealed container so as to push the fluid Boston EM in the sealed container into the feed pipe 25, and then the fluid Boston EM enters the forming chamber 22 through the feed pipe 25;
step four, metering: detecting the feeding amount by using a flow meter, feeding in three times, wherein the first feeding amount is one half of the total amount, the second feeding amount is one third of the total amount, and the third feeding amount is one sixth of the total amount;
step five, cooling: standing for ten minutes after each feeding is finished, and cooling;
step six, removing the mold: after the third cooling is finished, the cylinder 20 is controlled to be shortened, when the cylinder 20 is shortened, the bearing plate 10 drives the lower die 21 to descend, and the upper die 23 fixedly connected with the cover plate 13 is separated from the top of the lower die 21;
step seven, fetching the materials: the worker uses forceps to take out and collect the finished corneal plastic lens in the molding cavity 22;
step eight, cleaning and sterilizing: and soaking the collected finished product of the orthokeratology lens in distilled water for five minutes, taking out the finished product of the orthokeratology lens, and soaking the finished product of the orthokeratology lens in hydrogen peroxide for five minutes to obtain a final finished product.
From the above embodiment, it can be seen that: the invention adopts a three-time feeding mode to feed, so as to solve the problem that the volume of the heated and fluid Boston EM is reduced after cooling, thereby leading the finished product mechanism produced by the invention to be more precise, having more accurate parameters and better using effect.
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 modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (8)
1. A novel orthokeratology mirror comprises a base arc area (1), and is characterized in that: the utility model discloses a set up the arc zone of base arc district (1) outside and be equipped with reversal arc district (2), reversal arc district (2) outside is equipped with location arc district (3), location arc district (3) outside is equipped with peripheral arc district (4), peripheral arc district (4) top is equipped with direction district (5), it is equipped with a plurality of circulation holes (6) to run through on peripheral arc district (4), circulation hole (6) inside is fixed and is equipped with protection ring (7), base arc district (1), reversal arc district (2), location arc district (3) and peripheral arc district (4) front side are equipped with enhancement layer (8).
2. The novel orthokeratology mirror of claim 1, wherein: the base arc area (1), the reverse arc area (2), the positioning arc area (3), the peripheral arc area (4), the guide area (5), the circulation hole (6), the protection ring (7) and the reinforcing layer (8) are integrally formed.
3. The novel orthokeratology mirror of claim 1, wherein: the base arc area (1), the reverse arc area (2), the positioning arc area (3), the peripheral arc area (4), the guide area (5), the circulation holes (6), the protection ring (7) and the enhancement layer (8) are all made of Boston EM.
4. The novel orthokeratology mirror of claim 1, wherein: the central thickness of the base arc area (1) is 0.10-0.13 mm.
5. The novel orthokeratology mirror of claim 1, wherein: the top end of the guide area (5) is set to be an arc-shaped surface.
6. The novel orthokeratology mirror of claim 1, wherein: the thickness of the top end of the guide area (5) is smaller than that of the bottom end.
7. The novel orthokeratology mirror of claim 1, wherein: the top and the bottom of the guide area (5) are both arc-shaped surfaces, and the smooth surface at the bottom of the guide area (5) is matched with the eyeball.
8. A novel method for manufacturing a corneal plastic mirror is characterized by comprising the following steps:
step one, preparing manufacturing equipment and a mould: the manufacturing equipment comprises a bottom plate (9), wherein an air cylinder (20) is fixedly arranged at the top of the bottom plate (9), a bearing plate (10) is fixedly arranged at the top of the air cylinder (20), a middle partition plate (11) and two side partition plates (12) are fixedly arranged at the top of the bearing plate (10), the two side partition plates (12) are arranged at two sides of the middle partition plate (11), a forming die (14) is arranged between the middle partition plate (11) and the two side partition plates (12), a cover plate (13) is fixedly arranged at the top of the forming die (14), a connecting rod (15) is fixedly arranged at the top of the cover plate (13) and a guide rod (18) is fixedly arranged at the bottom of the cover plate (13), a cross beam (16) is fixedly arranged at the top of the connecting rod (15), a fixing rod (17) is fixedly arranged at the bottom of the cross beam, the fixing rod, the guide rod (18) is arranged in the guide hole (19), the forming die (14) comprises a lower die (21) and an upper die (23), a forming cavity (22) is formed in the top of the lower die (21), a forming block (24) is arranged at the bottom of the upper die (23), and a feeding pipeline (25) penetrates through the upper die (23);
step two, base material treatment: adding Boston EM into a sealed container, and then heating the Boston EM into a fluid state;
step three, feeding: pressurizing the sealed container so as to push the fluid Boston EM in the sealed container into a feeding pipeline (25), and then feeding the fluid Boston EM into a forming cavity (22) through the feeding pipeline (25);
step four, metering: detecting the feeding amount by using a flow meter, feeding in three times, wherein the first feeding amount is one half of the total amount, the second feeding amount is one third of the total amount, and the third feeding amount is one sixth of the total amount;
step five, cooling: standing for ten minutes after each feeding is finished, and cooling;
step six, removing the mold: after the third cooling is finished, the cylinder (20) is controlled to be shortened, when the cylinder (20) is shortened, the bearing plate (10) drives the lower die (21) to descend, and the upper die (23) fixedly connected with the cover plate (13) is separated from the top of the lower die (21);
step seven, fetching the materials: a worker takes out and collects the finished corneal plastic lens clamp in the molding cavity (22) by using forceps;
step eight, cleaning and sterilizing: and soaking the collected finished product of the orthokeratology lens in distilled water for five minutes, taking out the finished product of the orthokeratology lens, and soaking the finished product of the orthokeratology lens in hydrogen peroxide for five minutes to obtain a final finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910752490.3A CN110646949A (en) | 2019-08-19 | 2019-08-19 | Novel orthokeratology mirror and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910752490.3A CN110646949A (en) | 2019-08-19 | 2019-08-19 | Novel orthokeratology mirror and manufacturing method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN110646949A true CN110646949A (en) | 2020-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910752490.3A Pending CN110646949A (en) | 2019-08-19 | 2019-08-19 | Novel orthokeratology mirror and manufacturing method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI753723B (en) * | 2020-12-25 | 2022-01-21 | 京旭企業有限公司 | Method and device for reversing concave direction of flexible lens |
| CN117224315A (en) * | 2023-11-14 | 2023-12-15 | 深圳市新产业眼科新技术有限公司 | Comfortable cornea shaping mirror |
-
2019
- 2019-08-19 CN CN201910752490.3A patent/CN110646949A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI753723B (en) * | 2020-12-25 | 2022-01-21 | 京旭企業有限公司 | Method and device for reversing concave direction of flexible lens |
| CN117224315A (en) * | 2023-11-14 | 2023-12-15 | 深圳市新产业眼科新技术有限公司 | Comfortable cornea shaping mirror |
| CN117224315B (en) * | 2023-11-14 | 2024-03-08 | 深圳市新产业眼科新技术有限公司 | Comfortable cornea shaping mirror |
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Application publication date: 20200103 |