CN112327513B - Medical protective eyeshade for preventing harmful light and infection after eye operation - Google Patents
Medical protective eyeshade for preventing harmful light and infection after eye operation Download PDFInfo
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- CN112327513B CN112327513B CN202010837518.6A CN202010837518A CN112327513B CN 112327513 B CN112327513 B CN 112327513B CN 202010837518 A CN202010837518 A CN 202010837518A CN 112327513 B CN112327513 B CN 112327513B
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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
- G02C7/10—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/12—Optical coatings produced by application to, or surface treatment of, optical elements by surface treatment, e.g. by irradiation
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- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C11/00—Non-optical adjuncts; Attachment thereof
- G02C11/08—Anti-misting means, e.g. ventilating, heating; Wipers
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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
- G02C7/16—Shades; shields; Obturators, e.g. with pinhole, with slot
Abstract
The invention discloses a medical protective eyeshade for preventing harmful light and infection after eye operation, which comprises an eyeshade frame body and lenses arranged in the eyeshade frame body, wherein the eyeshade frame body is provided with an elastic isolation gasket which is tightly contacted with the skin around the nose and the eyes of a wearer and elastic binding bands arranged at two sides of the eyeshade frame body, the eyeshade frame body is provided with at least one ventilation hole component for ventilating the eyes, the lenses comprise resin lens substrates, and the resin lens substrates are added with the following components in parts by weight: 80-200 parts of a coloring agent; 4-10 parts of dyeing assistant; 5-6 parts of an ultraviolet absorbent; 10-20 parts of short-wave visible light absorbent. The invention breaks through the protection concept of absorption or obstruction of the traditional protective lens, adopts the protection concept of the combination of absorption and obstruction, not only solves the problem that harmful light with different wavelengths cannot be thoroughly protected, but also ensures that the color of the object viewed by a wearer when looking at the environment and objects cannot be changed.
Description
Technical Field
The invention belongs to the technical field of surgical medical instruments, and particularly relates to a medical protective eyeshade for preventing harmful light and infection after eye surgery.
Background
Along with the continuous progress of science and technology, electronic products can not leave the lives of people, products such as computers and mobile phones bring great convenience to the work and the life of people, the eye using habits of people are changed, but the harm to eye health is caused, people suffering from eye diseases are more and more, some eye diseases can be solved through the treatment of operations, after an ophthalmic operation is carried out in a hospital at present, a patient usually needs to wear goggles for a period of time, the protection to the affected part of the eye after the ophthalmic operation is very important, and whether the patient can be recovered fast is related. Some light can cause damage to eyes to different degrees due to sunlight, light, blue light emitted by the electronic screen and various reflected lights. For example, blue light of ultraviolet rays in sunlight, harmful blue light of mobile phones and computer display screens, and the like. Eyes are contacted with a large amount of harmful blue light with short wavelength and high energy for a long time, the harmful blue light can damage retina, cause discomfort of eyes and visual deterioration or cause asthenopia, and simultaneously can inhibit the secretion of melatonin to influence the sleep quality. This is undoubtedly a great hazard to the patients with eye diseases during the recovery process of the eye surgery.
CN211043836U discloses a goggles, including the picture frame, be equipped with the lens in the picture frame, along on the picture frame the frame limit of picture frame is provided with the silica gel packing ring, the silica gel packing ring with the picture frame structure as an organic whole, the both sides of picture frame all are provided with bandage or mirror leg, bandage or mirror leg with the picture frame is detachable connection, two connect through the buckle between the bandage. The goggles can effectively prevent water from entering eyes when the daily life of an ophthalmologic patient is guaranteed, and the postoperative rehabilitation effect is ensured.
CN205581437U discloses recovered goggles of postoperative, including mirror leg, picture frame, lens, picture frame and mirror leg hinged joint, set up the clip around the picture frame, the lens is fixed with the picture frame through the clip, set up the liner on the picture frame, liner and picture frame structure as an organic whole are close to lens central point puts and sets up a centre bore, set up a plurality of all ring edge holes around the centre bore, centre bore diameter is 5mm, all ring edge hole diameter is less than 2mm, be equipped with the hangers on the mirror leg, the hangers is connected with the mirror leg joint, the utility model discloses the structure is dexterous, and the fixity is good, and ventilation effect is good, and visual effect is good, and the comfort level is high, can reach good eyeshield effect.
CN206282043U discloses a medical goggles lens, relates to the field of goggles lens. The utility model discloses a by organic high molecular polymer, ultraviolet absorber and the mixed integrative injection moulding's of shortwave visible light absorber substrate, the outside of substrate has the radiation protection layer by interior toward outer compounding in proper order, the polarisation layer, antifog layer and outside wearing layer, the inboard of substrate has anti blue light antifatigue layer, antireflection layer and inboard wearing layer by interior toward outer compounding in proper order, the antireflection layer includes hardcoat, high refractive index coating and locates the low refractive index coating between hardcoat and the high refractive index coating. The utility model also discloses a medical eye protection glasses can ultraviolet ray, prevent shortwave visible light and protect against radiation, and can filter the highlight and prevent dazzling, can also obstruct ultraviolet ray, shortwave visible light etc. direct reflection to the eyes on the lens inner membrance from oblique rear, cause the injury, and the protecting effect is good, is applicable to eye postoperative patient, eye disease patient, medical staff etc..
CN203950083U discloses a medical multi-functional goggles lens, belongs to the goggles lens field. The utility model discloses a by organic high molecular polymer, ultraviolet absorber and the mixed integrative injection moulding's of shortwave visible light absorbent substrate, the front of substrate has the strengthening layer by interior toward outer complex in proper order, refraction layer and antifog layer, the back of substrate has strengthening layer and antifog layer by interior toward outer complex in proper order, the refraction layer is formed by high refracting index layer and the low refracting index layer complex in turn in proper order, the thickness on strengthening layer is 40nm ~ 45nm, the thickness on refraction layer is 300nm ~ 500nm, the thickness on antifog layer is 2 ~ 4 nm. The utility model also discloses a medical multi-functional eye-protection glasses. The utility model effectively filters out ultraviolet, purple light and blue light, avoids the damage of blue light, and is particularly suitable for the protection of patients after eye surgery and patients with eye diseases against harmful light radiation; it is also suitable for medical staff and normal people to prevent eye diseases caused by harmful light.
The invention relates to a lens and a manufacturing method thereof, in particular to a high-efficiency blue light inhibition resin lens and a manufacturing method thereof, and provides a lens 103226249B. The high-efficiency blue light inhibition resin lens is obtained through the steps of manufacturing a substrate (1), dyeing, curing, coating and the like, and comprises the substrate (1), wherein a layer of inhibition layer is dyed on the substrate (1), so that the lens with the inhibition layer can effectively inhibit the visible light transmittance below 500nm, the blue light transmittance (380-500 nm) can be less than 5% at the strongest, and the visible light transmittance above 600nm is more than 90%. The inhibition layer with the structure can reduce the light transmittance of visible light with the wavelength of less than 500nm and improve the transmittance of visible light with the wavelength of more than 600 nm. Because the wavelength of visible light is between 380nm and 700nm, visible light below 500nm is mainly purple light and blue light, and the stimulation of the part of light to eyes is strongest, when the light passes through the lens, the light mainly takes yellow, green and red light, the imaging is clearer, the light transmittance can be directly controlled, the stimulation of the highlight to the eyes is weakened, and the clear outline of a visual object is ensured so as to meet the actual requirement of the lens.
Above-mentioned patent technology has prevented to a certain extent that ultraviolet ray harmful to the eye, harmful light such as blue light, the protective effect of eye has been improved, still have some problems, for example above-mentioned technique all adopts the mode of coating film to block harmful light, filter, but also the entering of useful light has been blocked to a certain extent simultaneously, and patient or user are when wearing, the inevitable meeting of coating film is to the sight, light causes certain influence, the visible light luminousness is lower, lead to the vision darker, wear for a long time and also can influence eyesight, and colored lens color can change when seeing the thing, influence the normal vision of wearer. The most critical point is that the protection principle of the traditional harmful light protection lens is mostly 'absorption' or 'obstruction', no matter which mode is adopted, the protection of the harmful light can not be achieved to the maximum extent, and only absorption is carried out, and the mode of adding the absorbent has limited wavelength range of the absorbed harmful light and poorer protection effect; if the eye mask is only blocked, beneficial light and harmful light are blocked in a film coating mode, so that the visual effect and the eye recovery effect are influenced. Therefore, the above problems also become a problem to be solved which will confuse those skilled in the art.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to solve the technical problem of providing the medical protective eyeshade which can keep the vision clear, absorb and obstruct harmful light, effectively improve the protection of the harmful light on the eye radiation of a patient after an eye operation, promote the eye function recovery and reduce the eye fatigue and is used for preventing the harmful light and the infection after the eye operation.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the utility model provides a medical protection eye-shade that is used for eye postoperative to prevent harmful light, prevent infection, includes the eye-shade framework and installs the lens in the eye-shade framework, be provided with the elastic isolation packing ring with skin in close contact with around the person's eye nose in the eye-shade framework to and set up the elastic bandage in eye-shade framework both sides, set up at least one vent subassembly that is used for taking a breath to the eye in the eye-shade framework, the lens includes resin lens substrate, still adds the component that following weight shares in resin lens substrate:
the medical protective eyeshade for preventing harmful light and infection after eye operation is prepared by mixing the following components in parts by weight: 74-76 parts of cadmium red; 19-21 parts of iron blue; 4 to 6 portions of chrome yellow.
The medical protective eyeshade for preventing harmful light and infection after eye operation is characterized in that the dyeing assistant is a benzyl alcohol water solution with the mass fraction of 5%.
In the medical eye shield for preventing harmful light and infection after eye surgery, the ultraviolet absorbent is UV-531.
In the medical eye shield for preventing harmful light and infection after eye surgery, the short-wave visible light absorbent is any one of (octoxy) phenyl, hydroxyl, benzophenone, n-octoxy benzophenone or benzophenone.
The medical protective eyeshade for preventing harmful light and infection after eye surgery is processed by the following steps:
(1) cleaning the left and right resin lens substrates with alcohol and clear water in advance for later use;
(2) selecting an electric heating water bath dyeing box, turning on a power supply, and setting the temperature of a temperature controller to be 80 ℃;
(3) adding 74-76 parts of cadmium red serving as a coloring agent into the electric heating water bath dyeing box according to the proportion after the electric heating water bath dyeing box reaches the set temperature; 19-21 parts of iron blue; 4-6 parts of chrome yellow, and continuously and fully melting;
(4) after the materials are melted uniformly, respectively adding 4-10 parts of dyeing assistant and 5-6 parts of ultraviolet absorbent into an electric heating water bath dyeing box according to the proportion; 10-20 parts of short-wave visible light absorbent;
(5) respectively clamping the cleaned left and right resin lens substrates on symmetrical positioners below a dyeing barrel cover of an electric heating water bath dyeing box, heating until the dyeing temperature reaches 94-98 ℃, putting the left and right resin lens substrates in the electric heating water bath dyeing box, controlling the dyeing time to be 18-22 minutes, and taking out the lenses after the dyeing is saturated;
(6) washing the dyed left and right resin lens substrates with water and cooling;
(7) and putting the left and right resin lens substrates after cooling into an oven for color fixing treatment, setting the color fixing temperature to be 105-115 ℃, and fixing the color for 1.8-2.2 hours to obtain the medical protective eyeshade lens.
In the medical eye shield for preventing harmful light and infection after eye surgery, in the step (5), the dyeing temperature is set to 96 ℃, and the dyeing time is 20 minutes.
In the medical eye shield for preventing harmful light and infection after eye surgery, in the step (7), the color fixing temperature is set to be 110 ℃, and the color fixing time is 2 hours.
The medical protective eyeshade for preventing harmful light and infection after eye operation is characterized in that the surface of the fixed lens of the medical protective eyeshade is hardened by silicon dioxide.
The medical protective eyeshade for preventing harmful light and infection after eye surgery comprises the vent hole component and the hole plug for opening and closing the vent hole.
The medical protective eyeshade for preventing harmful light and infection after eye operation has the advantages that: the invention breaks through the protection concept of absorption or obstruction of the traditional protective lens, adopts the protection concept of the combination of absorption and obstruction, not only solves the problem that harmful light with different wavelengths cannot be thoroughly protected, but also ensures that the color of the object viewed by a wearer when looking at the environment and objects cannot be changed. The coloring agent is prepared by mixing cadmium red, iron blue and chrome yellow, the formed lens is purple, the secondary filtering and blocking effects are further played for short waves which cannot be completely absorbed by the short-wave visible light absorbent, and the defects that the harmful light protection cannot be completely realized by the traditional absorption and blocking are completely overcome. The invention has low cost, the lens can be widely used for protective glasses in various occasions and fields for preventing harmful light, such as sunglasses, blue light prevention glasses, polarized glasses and the like, can protect ultraviolet radiation, blue light radiation, optical radiation and the like, can promote the recovery of eye functions, has the function of well filtering harmful light, has higher visible light transmittance, has good sun-shading effect, has the functions of isolating ultraviolet rays, preventing the harmful blue light, improving the color contrast effect and has the long-acting antifogging function. Is suitable for medical staff, eye surgery patients and normal people to prevent eye diseases caused by harmful light.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a spectrum of purple tinted lenses of the invention.
Detailed Description
The invention is further explained in detail with reference to the drawings and the specific embodiments;
example 1:
as shown in fig. 1 and 2, the medical eye shield for preventing harmful light and infection after eye surgery comprises an eye shield frame body 1 and lenses 2 arranged in the eye shield frame body 1, wherein the eye shield frame body 1 is provided with an elastic isolation gasket 3 which is in close contact with the skin around the nose and the eyes of a wearer, and elastic bands 4 arranged on two sides of the eye shield frame body 1, at least one vent hole component 5 for ventilating the eyes is arranged on the eye shield frame body 1, and the vent hole component 5 comprises a vent hole 6 and a hole plug 7 for opening and closing the vent hole 6.
The lens comprises a resin lens substrate, wherein the resin lens substrate is added with the following components in parts by weight:
the coloring agent used in the application is prepared by mixing the following components in parts by weight: 74-76 parts of cadmium red; 19-21 parts of iron blue; 4 to 6 portions of chrome yellow. The dyeing assistant is a benzyl alcohol water solution with the mass fraction of 5%, and the ultraviolet absorbent is UV-531.
The short-wave visible light absorbent is any one of (octoxy) phenyl, hydroxyl, benzophenone, n-octoxy benzophenone or benzophenone. The coloring agent uses inorganic pigment, the acrylic pigment and opaque dye are selected in the application, and the coloring agent can be emulsified and suspended in any alcohol, ether, ester and ketone and then added into the epoxy resin to be free from curing influence.
The invention custom purchases UVA, UVB, and PC lenses to 100% protection from camber. The production process of the PC lens with the impact resistance function (PC material) is relatively complex compared with other lenses, the processing and production requirements of the PC lens are relatively high in terms of technology and process flow, and the PC lens is also called as (space film) (cosmic film) and is a thermoplastic material with a chemical name of polycarbonate. The raw materials are solid and are shaped into the lens after being heated, so the finished lens product can deform after being heated excessively and is not suitable for high-humidity and hot occasions. PC lenses are extremely tough and non-shattering (for use in bullet-proof glass), so they are also known as safety lenses, which can be purchased as substrates from PC lens manufacturers. Of course, common resin lenses can be used, and both lenses can be processed by the production process described in the application, so that the final lenses have the same function.
The production process of the lens comprises the following steps:
which comprises the following steps:
(1) cleaning the left and right resin lens substrates with alcohol and clear water in advance for later use;
(2) selecting an electric heating water bath dyeing box, turning on a power supply, and setting the temperature of a temperature controller to be 80 ℃;
(3) adding 74-76 parts of cadmium red serving as a coloring agent into the electric heating water bath dyeing box according to the proportion after the electric heating water bath dyeing box reaches the set temperature; 19-21 parts of iron blue; 4-6 parts of chrome yellow, and continuously and fully melting;
(4) after the materials are melted uniformly, respectively adding 4-10 parts of dyeing assistant and 5-6 parts of ultraviolet absorbent into an electric heating water bath dyeing box according to the proportion; 10-20 parts of short-wave visible light absorbent; (ii) a
(5) Respectively clamping the cleaned left and right resin lens substrates on symmetrical positioners below a dyeing barrel cover of an electric heating water bath dyeing box, heating until the dyeing temperature reaches 94 ℃, putting the left and right resin lens substrates, controlling the dyeing time for 22 minutes, and taking out the lenses after the dyeing is saturated;
(6) washing the dyed left and right resin lens substrates with water and cooling;
(7) and (3) putting the left and right resin lens substrates after cooling into an oven for color fixation treatment, setting the color fixation temperature to be 105-DEG C, and fixing the color for 2.2 hours to obtain the medical protective eye shield lens.
The lens dyed and molded by the process is purple, the main light wave band of the purple is 310-320 nm, the damage of strong light with high-strength wave band to human eyes can be better reduced, as shown in figure 3, the traditional eye protection lens can only filter, absorb and obstruct the purple light and blue light within the range of 380-500 nm, and can not completely avoid the damage of harmful light to the eyes. Ultraviolet rays are electromagnetic waves with a wavelength of 100-380 nm and are classified into UVA, UVB and UVC according to the wavelength. Among them, UVA and UVB pose a threat to human health. Long wave Ultraviolet (UVA) wavelength of 315-: the wavelength is 280-315, which accounts for about 2% of the total amount of all light rays emitted to the earth surface, so that the skin is red spots and is easy to cause keratitis and skin cancer. Short wave Ultraviolet (UVC): the wavelength is 280-10, and when the sun radiates the earth, the ultraviolet rays can be completely absorbed by ozone in the atmosphere at the periphery of the earth, so that the radiation cannot reach the surface of the earth, and the human body is not damaged. In the blue light with the wavelength of 385-505 nm, beneficial blue-green light (445-505 nm) can improve emotion, improve cognitive ability and adjust sleep cycle; harmful bluish violet light (385-445 nm) is the most harmful light to the retina.
The invention is based on the principle of absorbing and blocking harmful light which is harmful to human bodies in ultraviolet rays and blue light and reserving beneficial light, and ensures that the lens has better light transmission effect and refractive index. Greatly improves the absorption and the obstruction of harmful light in different optical wave bands and has better protective effect on eyes. Meanwhile, the purple charm can offset refracted light, more blue light is allowed to pass through, so that the brightness is improved, the color contrast is enhanced, the small color difference between a visual object seen by human eyes and an actual object is ensured, the comfort level of a wearer is improved, and the traditional dyed lens has the advantage that the difference between the color of the visual object seen by the traditional dyed lens and the actual object is large. And the wavelength range of absorption and obstruction is extremely excellent, and comfortable vision under the condition of far vision can be realized, and specific data refer to tables 1-3:
table 1:
ANSI Z80.3:2015
table 2:
ISO 12312-1:2013
table 3:
AS/NZS 1067:2016
in order to form thermochemical and mechanical protective layers on the inner and outer surfaces of the lens so as to increase the corrosion resistance and the friction resistance of a resin material, the inner and outer surfaces of the fixed medical protective eyeshade lens are subjected to organic silicification, namely, silicon dioxide hardening treatment, and the method specifically comprises the following steps: the method comprises the steps of adding a blue light absorbent into a lens hardening liquid (liquid silicon dioxide), wherein the blue light absorbent absorbs blue light with the wavelength of 400-480 nm, the adding proportion is 2-5% by mass, and according to the characteristics of production equipment, actual temperature and time, a hardened film layer on the surface of a lens reaches more than 50 microns. Since the resin material is inferior to the glass material in the abrasion resistance, the resin lens has a surface abrasion resistance very close to that of the glass lens after the organic siliconizing hardening treatment.
Example 2:
the same parts of this embodiment as those of embodiment 1 are not described again, but the differences are as follows:
(5) respectively clamping the cleaned left and right resin lens substrates on symmetrical positioners below a dyeing barrel cover of an electric heating water bath dyeing box, heating until the dyeing temperature reaches 96 ℃, putting the left and right resin lens substrates, controlling the dyeing time to be 18-20 minutes, and taking out the lenses after dyeing saturation;
(6) washing the dyed left and right resin lens substrates with water and cooling;
(7) and (3) putting the left and right resin lens substrates after cooling into an oven for color fixing treatment, setting the color fixing temperature at 110 ℃, and fixing the color for 2 hours to obtain the medical protective eyeshade lens.
In order to realize the increase of the visible light transmittance of 580-750 nm, the eyes have high sensitivity to yellow light in the wavelength band, so the lens is particularly bright but not dazzling, and can be further subjected to vacuum coating. In order to realize that the lens does not fog under the condition of sealing and alternating cold and hot, the antifogging coating can be carried out.
Example 3:
the same parts of this embodiment as those of embodiments 1 and 2 are not described again, but the differences are as follows:
(5) respectively clamping the cleaned left and right resin lens substrates on symmetrical positioners below a dyeing barrel cover of an electric heating water bath dyeing box, heating until the dyeing temperature reaches 98 ℃, putting the left and right resin lens substrates, controlling the dyeing time for 18 minutes, and taking out the lenses after dyeing saturation;
(6) washing the dyed left and right resin lens substrates with water and cooling;
(7) and (3) putting the left and right resin lens substrates after cooling into an oven for color fixation treatment, setting the color fixation temperature to be 115 ℃, and fixing the color for 1.8 hours to obtain the medical protective eyeshade lens.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art should understand that they can make various changes, modifications, additions and substitutions within the spirit and scope of the present invention.
Claims (6)
1. The utility model provides a medical protection eye-shade that is used for eye postoperative to prevent harmful light, prevent infection, includes the eye-shade framework and installs the lens in the eye-shade framework, be provided with the elastic isolation packing ring with skin in close contact with around the person's eye nose in the eye-shade framework to and set up the elastic bandage in eye-shade framework both sides, set up at least one vent hole subassembly that is used for taking a breath to the eye in the eye-shade framework, the lens includes resin lens substrate, its characterized in that: the resin lens substrate is also added with the following components in parts by weight:
the coloring agent is prepared by mixing the following components in parts by weight: 74-76 parts of cadmium red; 19-21 parts of iron blue; 4-6 parts of chrome yellow, wherein the dyeing assistant is a benzyl alcohol water solution with the mass fraction of 5%.
2. The medical protective eyewear for protection against harmful light and infection after eye surgery as claimed in claim 1, wherein: the ultraviolet absorbent is UV-531.
3. The medical protective eyewear for protection against harmful light and infection after eye surgery as claimed in claim 1, wherein: the short-wave visible light absorbent is any one of (octoxy) phenyl, hydroxyl, benzophenone, n-octoxy benzophenone or benzophenone.
4. The medical eye shield for preventing harmful light and infection after eye surgery according to claim 1, wherein the lens is processed by the following steps:
(1) cleaning the left and right resin lens substrates with alcohol and clear water in advance for later use;
(2) selecting an electric heating water bath dyeing box, turning on a power supply, and setting the temperature of a temperature controller to be 80 ℃;
(3) adding 74-76 parts of cadmium red serving as a coloring agent into the electric heating water bath dyeing box according to the proportion after the electric heating water bath dyeing box reaches the set temperature; 19-21 parts of iron blue; 4-6 parts of chrome yellow, and continuously and fully melting;
(4) after the materials are melted uniformly, respectively adding 4-10 parts of dyeing assistant and 5-6 parts of ultraviolet absorbent into an electric heating water bath dyeing box according to the proportion; 10-20 parts of short-wave visible light absorbent;
(5) respectively clamping the cleaned left and right resin lens substrates on symmetrical positioners below a dyeing barrel cover of an electric heating water bath dyeing box, heating until the dyeing temperature reaches 96 ℃, putting the left and right resin lens substrates, controlling the dyeing time for 20 minutes, and taking out the lenses after the dyeing is saturated;
(6) washing the dyed left and right resin lens substrates with water and cooling;
(7) and (3) putting the left and right resin lens substrates after cooling into an oven for color fixing treatment, setting the color fixing temperature at 110 ℃, and fixing the color for 2 hours to obtain the medical protective eyeshade lens.
5. The medical protective eyewear for protection against harmful light and infection after eye surgery as claimed in claim 4, wherein: and (4) carrying out silicon dioxide hardening treatment on the surface of the fixed lens of the medical protective eye shield.
6. The medical protective eyewear for protection against harmful light and infection after eye surgery as claimed in claim 1, wherein: the vent assembly comprises a vent hole and a hole plug for opening and closing the vent hole.
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| CN202010837518.6A CN112327513B (en) | 2020-08-19 | 2020-08-19 | Medical protective eyeshade for preventing harmful light and infection after eye operation |
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