Invisible eyeshade as well as preparation method and application thereof

Abstract

The invention provides an invisible eyeshade and a preparation method and application thereof, the invisible eyeshade comprises an outer layer, a bionic iris layer, a middle light blocking layer and an inner layer, the middle part of the middle light blocking layer blocks light, and the outer ring part of the middle light blocking layer transmits light. The preparation method comprises the following steps: (1) preparing the middle light blocking layer; (2) adhering or coating an inner layer on the inner side of the middle light-blocking layer or sequentially coating a moisturizing slow-release layer and an inner layer; (3) printing, printing or attaching a bionic iris layer on the outer side of the middle light blocking layer, wherein the pattern of the bionic iris layer is the same as that of the cosmetic contact lenses or pupils; and (4) coating or attaching an outer layer on the outer layer of the bionic iris layer. The invisible eyeshade is worn on a good eye of a relatively amblyopia eye according to a contact lens method. The invisible eyeshade has the effects of amblyopia correction and eye beautifying at the same time, and life and work of a wearer are not affected.

Description

Technical Field

[0001] The present invention relates to the technical field of eye care and beauty, and in particular to an invisible eye mask with both cosmetic contact lens and amblyopia correction functions, and a preparation method and application thereof. Background Art

[0002] Most of the existing common eye masks for treating amblyopia are designed to cover the outside, which cannot be worn invisible and affects the appearance. Summary of the invention

[0003] The purpose of the present invention is to provide an invisible eye mask which integrates the advantages of amblyopia correction, eye beauty and care, and solves the problem that the existing eye mask affects the beauty of the face.

[0004] In order to achieve the above object, the present invention provides a contact mask, which comprises an outer layer, a bionic iris layer, a middle light-blocking layer and an inner layer, wherein the middle portion of the middle light-blocking layer blocks light and the outer portion is light-transmissive.

[0005] In one embodiment, the material of the inner layer and the outer layer is hydrogel, silicone gel or fluorogel; the inner layer and the outer layer contain moisturizing ingredients, and the moisturizing ingredients are one or a combination of hyaluronic acid or vitamin E; the oxygen permeability of the inner layer and the outer layer is ≥150Dk / t.

[0006] In one embodiment, the inner layer and the outer layer contain antibacterial components, and the antibacterial components are one or a combination of chitosan and silver ions.

[0007] In one embodiment, the diameter of the middle portion of the middle light-blocking layer is 10-12 mm, and the outer diameter of the outer ring portion is 13-15 mm.

[0008] In one embodiment, the material of the middle light-blocking layer is PET material, the dye is white pigment, and the visible light transmittance of the middle light-blocking layer is less than 5%.

[0009] In one embodiment, the pattern of the bionic iris layer is the same as that of the cosmetic contact lens or pupil, and is printed or bonded on the middle light-blocking layer.

[0010] In one embodiment, a moisturizing sustained-release layer is further included, which is located between the middle light-blocking layer and the inner layer.

[0011] In one embodiment, the moisturizing sustained-release layer is made of hydrogel, and the moisturizing component content is greater than that of the inner layer.

[0012] The present invention also provides a method for preparing the contact lens as described above, comprising the following steps: (1) preparing a middle light-blocking layer; (2) laminating or coating an inner layer on the inner side of the middle light-blocking layer, or coating a moisturizing sustained-release layer and the inner layer in sequence; (3) printing, imprinting or laminating a bionic iris layer on the outer side of the middle light-blocking layer, wherein the pattern of the bionic iris layer is the same as that of a cosmetic contact lens or a pupil; and (4) coating or laminating an outer layer on the outer layer of the bionic iris layer.

[0013] The present invention also provides an application of the contact eye mask prepared by the preparation method as described above, which is worn on the good eye relative to the amblyopic eye in the same manner as contact lenses.

[0014] The technical effects of the present invention are as follows:

[0015] 1. The contact mask of the present application has the effects of both amblyopia correction and eye beauty, and does not affect the wearer's life and work.

[0016] 2. The inner and outer layers of the contact mask have moisturizing, oxygen permeability and antibacterial effects, are comfortable and safe, and are convenient for the wearer to wear for a long time.

[0017] 3. The middle part of the middle light-blocking layer is white and reflective, which blocks external light on the one hand and facilitates the display of the pattern of the bionic iris layer on the other hand.

[0018] 4. The moisturizing and oxygen permeability of the moisturizing sustained-release layer are higher than those of the inner layer, which can further improve the maintenance of the inner layer for fitting the eyeball. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The figure is a schematic structural diagram of the middle light-blocking layer of the contact lens of the present invention.

[0020] Figure 2 It is a side structural schematic diagram of the contact eye mask of the present invention.

[0021] Reference numerals:

[0022] 1 The middle part of the middle light-blocking layer; 2 The outer circle part of the middle light-blocking layer. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned objects, features and advantages of the invention more obvious and easy to understand, the specific embodiments of the invention are described in detail below.

[0024] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0025] Reference Figure 1 and Figure 2 According to the present invention, the contact lens comprises an outer layer, a bionic iris layer, a middle light-blocking layer and an inner layer, referring to Figure 1 As shown, the middle portion 1 of the middle light-blocking layer blocks light, and the outer portion 2 is light-transmissive.

[0026] In one embodiment, the material of the inner layer and the outer layer is hydrogel, silicone gel or fluorogel; the inner layer and the outer layer contain moisturizing ingredients, and the moisturizing ingredients are one or a combination of hyaluronic acid or vitamin E; the oxygen permeability of the inner layer and the outer layer is ≥150Dk / t.

[0027] In one embodiment, the inner layer and the outer layer contain antibacterial components, and the antibacterial components are one or a combination of chitosan and silver ions.

[0028] In one embodiment, the diameter of the middle portion 1 of the middle light-blocking layer is 10-12 mm, and the outer diameter of the outer ring portion 2 is 13-15 mm.

[0029] In one embodiment, the middle light-blocking layer is made of PET, the dye is white pigment, and the visible light transmittance of the middle light-blocking layer is less than 5%. Alternatively, according to special application requirements, the transmittance can be set to be less than 50%.

[0030] In one embodiment, the pattern of the bionic iris layer is the same as that of the cosmetic contact lens or pupil, and is printed or bonded on the middle light-blocking layer.

[0031] In one embodiment, a moisturizing sustained-release layer is further included, which is located between the middle light-blocking layer and the inner layer.

[0032] In one embodiment, the moisturizing sustained-release layer is made of hydrogel, and the moisturizing component content is greater than that of the inner layer.

[0033] The present invention also provides a method for preparing the contact lens as described above, comprising the following steps: (1) preparing a middle light-blocking layer; (2) laminating or coating an inner layer on the inner side of the middle light-blocking layer, or coating a moisturizing sustained-release layer and the inner layer in sequence; (3) printing, imprinting or laminating a bionic iris layer on the outer side of the middle light-blocking layer, wherein the pattern of the bionic iris layer is the same as that of a cosmetic contact lens or a pupil; and (4) coating or laminating an outer layer on the outer layer of the bionic iris layer.

[0034] The present invention also provides an application of the contact eye mask prepared by the preparation method as described above, which is worn on the good eye relative to the amblyopic eye in the same manner as contact lenses.

[0035] The present invention is further described in detail by examples below, but these examples should not be considered as limiting the present invention. Main raw materials and equipment used: Unless otherwise specified, the raw materials and equipment of each example and comparative example are the same; materials without specifying specific models or types are purchased from the market or available through common channels, and are not specifically limited.

[0036] Example 1

[0037] (1) 10 parts by weight of PET and 1 part by weight of titanium dioxide were mixed and injection molded into a middle light-blocking layer with a thickness of 1 mm;

[0038] (2) coating a 0.2 mm moisturizing sustained-release layer and a 0.1 mm inner layer on the inner side of the middle light-blocking layer, wherein the moisturizing sustained-release layer comprises 80% hydrogel and 20% hyaluronic acid by mass; and the inner layer comprises 90% silicone gel, 5% hyaluronic acid, 4.5% vitamin E and 0.5% chitosan by mass;

[0039] (3) A bionic iris layer is printed on the outer side of the middle light-blocking layer, the pattern of the bionic iris layer is the same as that of the cosmetic contact lens or pupil, and the pigment used in the bionic iris layer is an inorganic or organic pigment, and the purity level should be cosmetic grade, medical device grade or above;

[0040] (4) A 0.1 mm thick outer layer is applied on the outer layer of the bionic iris layer to obtain an initial sheet; the components of the outer layer are 90% silicone gel, 5% hyaluronic acid, 4.5% vitamin E and 0.5% chitosan in terms of mass percentage.

[0041] (5) The initial sheet is heated to 120° C. in a clean oven, taken out after 2 hours, sterilized with steam, and finally placed in physiological saline for hydration to obtain an invisible eye mask.

[0042] Example 2

[0043] (1) 10 parts by weight of PET and 2 parts by weight of barium sulfate were uniformly mixed and injection molded into a middle light-blocking layer with a thickness of 1 mm;

[0044] (2) coating a 0.2 mm moisturizing sustained-release layer and a 0.1 mm inner layer on the inner side of the middle light-blocking layer, wherein the moisturizing sustained-release layer comprises 80% hydrogel and 20% hyaluronic acid by mass; and the inner layer comprises 90% silicone gel, 9.5% vitamin E and 0.5% silver nitrate by mass;

[0045] (3) A bionic iris layer is printed on the outer side of the middle light-blocking layer, the pattern of the bionic iris layer is the same as that of the cosmetic contact lens or pupil, and the pigment used in the bionic iris layer is an inorganic or organic pigment, and the purity level should be cosmetic grade, medical device grade or above;

[0046] (4) A 0.1 mm thick outer layer is applied on the outer layer of the bionic iris layer to obtain an initial film; the components of the outer layer are 90% silicone gel, 9.5% hyaluronic acid and 0.5% silver nitrate in terms of mass percentage.

[0047] (5) The initial sheet is heated to 120° C. in a clean oven, taken out after 2 hours, sterilized with steam, and finally placed in physiological saline for hydration to obtain an invisible eye mask.

[0048] Although some specific embodiments of the present invention have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that the above embodiments may be modified without departing from the scope and spirit of the present invention. The scope of the present invention is defined by the appended claims.

Claims

1. An invisible eye mask, characterized in that: It comprises an outer layer, a bionic iris layer, a middle light-blocking layer and an inner layer. The middle part of the middle light-blocking layer blocks light, and the outer circle part is light-transmissive.

2. The contact mask according to claim 1, characterized in that: The material of the inner layer and the outer layer is hydrogel, silicone gel or fluorogel; the inner layer and the outer layer contain moisturizing ingredients, and the moisturizing ingredients are one or a combination of hyaluronic acid or vitamin E; the oxygen permeability of the inner layer and the outer layer is ≥150Dk / t.

3. The contact mask according to claim 1, characterized in that: The inner layer and the outer layer contain antibacterial components, and the antibacterial components are one or a combination of chitosan and silver ions.

4. The contact mask according to claim 1, characterized in that: The diameter of the middle part of the middle light-blocking layer is 10-12 mm, and the outer diameter of the outer ring part is 13-15 mm.

5. The contact mask according to claim 1, characterized in that: The material of the middle light-blocking layer is PET material, the dye is white pigment, and the visible light transmittance of the middle light-blocking layer is less than 5%.

6. The contact mask according to claim 1, characterized in that: The pattern of the bionic iris layer is the same as that of the cosmetic contact lens or pupil, and is printed or bonded on the middle light-blocking layer.

7. The contact mask according to claim 1, characterized in that: The invention also comprises a moisturizing and slow-release layer, which is located between the middle light-blocking layer and the inner layer.

8. The contact mask according to claim 7, characterized in that: The moisturizing sustained-release layer is made of hydrogel, and its moisturizing component content is greater than that of the inner layer.

9. A method for preparing the contact eye mask according to any one of claims 1 to 8, characterized in that: The following steps are involved: (1) preparing a middle light-blocking layer; (2) laminating or coating the inner layer on the inner side of the middle light-blocking layer, or coating the moisturizing sustained-release layer and the inner layer in sequence; (3) Printing, imprinting or laminating a bionic iris layer on the outer side of the middle light-blocking layer, wherein the pattern of the bionic iris layer is the same as that of the cosmetic contact lens or pupil; (4) Coating or laminating an outer layer on the outer layer of the bionic iris layer.

10. Use of a contact mask as claimed in any one of claims 1 to 8 or prepared by the method of claim 9, characterized in that: Wear it on the better eye compared to the weaker eye in the same way as a contact lens.

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