TWI628485B - Color image patch for contact lenses - Google Patents

Abstract

A color image patch for a contact lens, used in conjunction with a contact lens, comprising: an attachment layer and an image layer, the attachment layer being adsorbed on the surface of the contact lens and the opposite side being connected to the image layer having the decorative pattern So that the attachment layer is between the image layer and the contact lens. Before wearing the contact lens, the wearer can choose the decorative pattern that he likes, and make the color image patch adhere to one side of the contact lens through the attaching layer, thereby not affecting the corrective vision function of the contact lens. In the case of the color image patch, the additional function of the contact lens is increased, thereby improving the practicality of the contact lens. In addition, when the contact lens is worn, the decorative pattern of the image layer corresponds to the iris position of the eye, so that the wearer The iris changes the shape and color pattern of the iris by the decorative pattern of the image layer.

Description

Color image patch for contact lenses

The present invention relates to a patch, and more particularly to a color image patch that is used in conjunction with a contact lens and that adds additional functionality to the contact lens without affecting the corrective function of the contact lens.

A contact lens is a lens that is worn on the cornea of the eye to correct vision or protect the eye. Since the contact lens has no heavy frame and lens, it has the characteristics of small size, convenient carrying, and does not affect the appearance of the user, and does not feel the burden on the use and does not affect the external beauty. Therefore, since the invisible Since the advent of glasses, they have been loved by all walks of life, especially nowadays, young people and beauty-loving people have resorted to wearing contact lenses to make up for their lack of vision.

With the change of the times and the maturity of technology, in addition to the function of correcting vision, the user can modify the color of the eyes by wearing colored contact lenses, so that the eyes can enlarge and modify the color of the eyes. Currently, commercially available colored contact lenses are structured to have a color pattern inside the contact lens. Therefore, if the wearer wants to change the color pattern of the colored contact lens, it needs to purchase another colored contact lens for wearing. , which in turn causes inconvenience in use.

In addition, if the conventional color contact lens has both pupil dilation and corrective vision, the price will tend to be much higher than that of the general contact lens. Once the price is higher, the willingness of the wearer to purchase will be lower.

Finally, there are many brands on the market that sell custom colored contact lenses, and the wearers are not the same because of their personal physique, so each wearer chooses their favorite brand for the comfort of wearing. For the wearing of colored contact lenses, however, the brand's colored contact lenses may not be favored by the wearer in the color pattern, so the wearer wearing the brand's colored contact lenses may often fail to allow the wearer to wear It combines comfort and beautiful appearance.

In view of this, there is still a deficiency in the use of conventional colored contact lenses, and there is a need to improve and innovate conventional colored contact lenses by creating a color image patch that can be attached to general contact lenses. In the case that the general contact lens corrects the eyesight function of the eye, the general contact lens can have the effect of changing the color pattern and shape of the iris through the color image patch.

The main purpose of the invention is to adsorb the color image patch on the surface of the contact lens, and to increase the additional function of the contact lens without affecting the function of correcting the vision of the contact lens, and then to wear the contact lens when the wearer wears The eye passes through the color image patch located on the surface of the contact lens to achieve the effect of modifying the shape and color of the eye.

A secondary object of the present invention is to provide a color image patch with a hollow ring shape that allows the contact lens to correspond to a localized portion of the pupil position of the eye to maintain optimal light transmission.

Another object of the present invention is that the pigment of the image layer does not directly contact the cornea of the eye, so that the user can wear the contact lens more comfortable and safe.

In order to achieve the above object, the present invention relates to a color image patch for a contact lens, which is used in conjunction with a contact lens, comprising: an attaching layer for adsorbing one side of the contact lens and having a first opening; an image layer And having a decorative pattern and a second opening connected to the side of the attaching layer, wherein the attaching layer is located between the contact lens and the image layer, and the first opening and the second opening together form a through a through hole of the color image patch; and a protective layer connected to the side of the image layer such that the image layer is located between the adhesion layer and the protective layer.

Wherein, when the contact lens is worn, the decorative pattern of the image layer corresponds to the iris position of the eye, and the through hole of the color image patch corresponds to the pupil position of the eye. In the preferred embodiment, the contact lens is connected to the attachment layer by intermolecular force between the attachment layer and the contact lens, and through chemical bonding or physical bonding. connection.

The above chemical bond is one of an ionic bond or a covalent bond. The physical bond is set to one of a hydrogen bond or a vanguard force, and the material of the adhesive layer is the same as the material of the contact lens.

The invention is characterized in that the color image patch is adsorbed on the surface of the contact lens through the attaching layer, so that when the wearer wears the contact lens, the decorative pattern of the image layer is arranged at the iris position of the eye, and by the image The decorative pattern of the layer changes the shape and color pattern of the iris of the eye, making the wearer's eyes appear larger and more beautiful.

In addition, the color image patch is adsorbed on the surface of the contact lens, so that the contact lens transmits the effect of changing the iris color of the wearer's eye through the decorative pattern of the image layer without affecting the function of correcting the vision itself. The added value and practicality of contact lenses.

Furthermore, by placing the image layer between the attaching layer and the protective layer, the color pattern of the decorative pattern can be completely revealed without fading, and the pigment of the decorative pattern does not directly contact the cornea of the eye, so that the wearer can match Wearing contact lenses can be more comfortable and safe.

Finally, the first opening of the adhesion layer and the second opening of the image layer form a through hole penetrating the color image patch, so that the color image patch forms a hollow ring shape, and when worn, The through hole of the color image patch corresponds to the position of the pupil of the eye, thereby maintaining an optimum light transmittance.

1‧‧‧Color image patch

10‧‧‧ Attachment

11‧‧‧ first opening

20‧‧‧Image layer

21‧‧‧ decorative patterns

22‧‧‧second opening

30‧‧‧Protective layer

31‧‧‧ third opening

40‧‧‧through hole

2‧‧‧Contact lenses

Figure 1 is a schematic view of a first preferred embodiment of the present invention; 2A and FIG. 2B are schematic views of a specific implementation of FIG. 1; FIG. 3A and FIG. 3B are schematic views of another embodiment of FIG. 1; FIG. 4 is a schematic view of a second preferred embodiment of the present invention; FIG. 5A and FIG. Figure 6A and Figure 6B are schematic views of another embodiment of Figure 4; Figure 7 is a schematic view of a third preferred embodiment of the present invention; Figure 8A and Figure 8B are schematic views of Figure 7; 9B is a schematic view of another embodiment of FIG. 7; FIG. 10 is a schematic view of a fourth preferred embodiment of the present invention; FIGS. 11A and 11B are schematic views of the embodiment of FIG. 10; and FIGS. 12A and 12B are another FIG. A schematic diagram of a specific implementation.

For a more detailed and detailed understanding and understanding of the structure, the use and the features of the present invention, the preferred embodiments are described in detail as follows: Referring to FIG. 1, the invisible embodiment of the present invention The color image patch 1 of the glasses is mainly composed of an attaching layer 10 and an image layer 20 in the first preferred embodiment. The image layer 20 is connected to the side of the adhesion layer 10, wherein the adhesion layer 10 is made of one of a Hydrogel Polymers material or a Silicone Hydrogel material, and the resin is mixed. One of a binder, a starter, an adhesive, a solvent, an additive, or a combination thereof. In this embodiment, the Hydrogel Polymers material consists of hydrophilic 2-hydroxyethyl methacrylate, N-vinyl pyrrolidone, and methacrylic acid. Construction The polymer is formed, and the Silicone Hydrogel material is a polymer composed of a highly oxygen permeable water-repellent monomer and a PVP moisturizing factor (polyvinylpyrrolidone).

The image layer 20 has a decorative pattern 21, and the decorative pattern 21 of the image layer 20 is composed of one kind of pigment or a plurality of dyes.

Referring to FIG. 2A and FIG. 2B , in the specific application of the first preferred embodiment, the attaching layer 10 of the color image patch 1 is directly adsorbed on the convex surface of a contact lens 2 to make the attached layer. 10 between the image layer 20 and the contact lens 2, when the wearer wears the contact lens 2, the concave surface of the contact lens 2 and the wearer's eye cornea contact each other, and the image The decorative pattern 21 of the layer 20 is disposed on the iris of the wearer, so that the iris of the wearer changes the shape and color pattern of the iris through the decorative pattern 21 of the image layer 20, so that the wearer's eyes are magnified. .

In the preferred embodiment, the contact lens 2 and the attachment layer 10 are both hydrophilic materials, and the surface of the contact layer 10 adsorbed on the contact lens 2 and the surface of the contact lens 2 belong to a mesh structure. Therefore, an intermolecular force is generated between the attachment layer 10 and the contact lens 2, and a series connection of the mesh structure enables the attachment layer 10 to be adsorbed on the convex surface of the contact lens 2, thereby achieving Not easy to fall off. However, the above-mentioned contact lens 2 and the above-mentioned adhesive layer 10 are all hydrophilic materials, which are only for convenience of description, and are not limited, that is, the material of the contact lens 2 is the same as the material of the adhesive layer 10, and the above-mentioned contact lens layer 10 can pass through the above. The adhesion between the adhesion layer 10 and the molecules of the contact lens 2 described above achieves an effect of not easily falling off.

Further, the intermolecular force generated between the above-mentioned attaching layer 10 and the above-mentioned contact lens 2 is one of a physical bond having a small energy source or a chemical bond having a large energy source. The above physical bond is set to one of hydrogen bonding, van der Waals attraction or a combination thereof, and the above chemical bonding is set as an ionic bond, a covalent bond or Combine one of them. The thickness of the color image patch 1 described above is preferably not more than 0.04 mm, and the optimum thickness is preferably not more than 0.03 mm.

However, the color image patch 1 is adsorbed on the convex surface of the contact lens 2 for illustrative purposes only, and the manner in which the color image patch 1 is used is not limited, that is, as shown in FIG. 3A and FIG. 3B. The color image patch 1 is directly adsorbed on the concave surface of the contact lens 2, so that when the wearer wears the contact lens 2, the wearer's cornea contacts the image layer 20.

Referring to FIG. 4, in the second preferred embodiment, the difference from the first preferred embodiment is that the color image patch 1 further has a protective layer 30, and the protective layer 30 is connected to the image layer 20. The image layer 20 is positioned between the adhesion layer 10 and the protective layer 30 with respect to the surface of the adhesion layer 10, so that the color of the decorative pattern 21 of the image layer 20 can be completely displayed without being easily discolored. The protective layer 30 is composed of one of a resin, a crosslinking agent, a starter, a solvent, an additive, or a combination thereof. The structure between the above-mentioned attaching layer 10 and the above-mentioned image layer 20 is the same as that in the first preferred embodiment, and will not be described herein.

Referring to FIG. 5A and FIG. 5B, in the second application of the second preferred embodiment, the color image patch 1 is directly adsorbed on the outer surface of the contact lens 2, as in the first preferred embodiment. The protective layer 30 can prevent the wearer from directly contacting the decorative pattern 21 of the image layer 20 during the process of wearing the contact lens 2, thereby reducing the chance of the color of the decorative pattern 21 of the image layer 20 falling off. This increases the useful life of the color image patch 1 described above.

However, the color image patch 1 is adsorbed on the convex surface of the contact lens 2 for illustrative purposes only, and the manner in which the color image patch 1 is used is not limited, that is, as shown in FIGS. 6A and 6B. The color image patch 1 is directly adsorbed on the concave surface of the contact lens 2, so that when the wearer wears the contact lens 2, the wearer's cornea contacts the protective layer 30, thereby Image layer The pigment of the decorative pattern 21 does not directly contact the cornea of the wearer's eye, and the pigment of the decorative pattern 21 is prevented from falling on the cornea of the wearer's eye, so that the wearer can wear the contact lens 2 more comfortable.

Referring to FIG. 7, in the third preferred embodiment, the difference from the first preferred embodiment is that the center of the surface of the color image patch 1 has a through hole 40, so that the color image patch 1 is hollow. The shape of the ring is as shown in the figure. The attaching layer 10 has a first opening 11 and the image layer 20 has a second opening 22. The first opening 11 and the second opening 22 together form the through hole. 40. As for other identical structural features, they will not be described here.

Referring to FIG. 8A to FIG. 9B , in the specific application of the third preferred embodiment, the specific application difference from the first preferred embodiment is that the attaching layer 10 of the color image patch 1 is directly adsorbed to the above-mentioned invisible shape. The through hole 40 of the color image patch 1 corresponds to the pupil position of the wearer's eye when the outer surface or the concave surface of the eyeglass 2 is used, thereby allowing the wearer to wear the contact lens 2 to transmit the color map. The through hole 40 like the patch 1 achieves better light transmission, which makes the wearer's line of sight clearer and not distorted.

Referring to FIG. 10, in the fourth preferred embodiment, the difference from the second preferred embodiment is that the attaching layer 10 has the first opening 11 and the image layer 20 has the second opening 22, and The protective layer 30 has a third opening 31. The first opening 11 of the attaching layer 10, the second opening 22 of the image layer 20, and the third opening 31 of the protective layer 30 together form the above-mentioned color image patch. 1 through hole 40. The rest of the structure is the same as that of the second preferred embodiment, and will not be described herein.

Referring to FIG. 11A to FIG. 12B , the specific application of the fourth preferred embodiment is the same as that of the third preferred embodiment, and details are not described herein.

In summary, the present invention allows the color image patch to be attached to the surface of the contact lens by the attaching layer, so that when the wearer wears the contact lens, the decorative pattern of the image layer is disposed at the iris position of the eye. And by changing the shape and color pattern of the iris of the eye by the decorative pattern of the image layer, the wearer's glasses appear larger and more beautiful.

In addition, the color image patch is adsorbed on the surface of the contact lens, so that the contact lens transmits the effect of changing the iris color of the wearer's eye through the decorative pattern of the image layer without affecting the function of correcting the vision itself. The added value and practicality of contact lenses.

Furthermore, by placing the image layer between the attaching layer and the protective layer, the color pattern of the decorative pattern can be completely revealed without fading, and the pigment of the decorative pattern does not directly contact the cornea of the eye, so that the wearer can match Wearing contact lenses can be more comfortable and safe.

Finally, the first opening of the adhesion layer and the second opening of the image layer form a through hole penetrating the color image patch, so that the color image patch forms a hollow ring shape, and when worn, The through hole of the color image patch corresponds to the position of the pupil of the eye, thereby maintaining the optimal light transmittance, thereby making the wearer's line of sight clearer and not distorted.

The above embodiments are intended to be illustrative of the invention and are not to be construed as limiting the scope of the invention. It should be included in the scope of the following patent application.

Claims (3)

A color image patch for a contact lens, used in conjunction with a contact lens composed of a hydrophilic material, comprising: an attachment layer, which is the same material as the contact lens, such that an intermolecular relationship is formed between the attachment layer and the contact lens The force of the contact lens is adsorbed by one of the ionic bond, the covalent bond, the hydrogen bond and the van der Waals force, and the adhesion layer is one of a water gel material or a polyoxyhydrogel material. a resin, a crosslinking agent, an initiator, an adhesive, a solvent, an additive, or a combination thereof; and an image layer having a decorative pattern attached to one side of the above-mentioned attachment layer, such that The attachment layer is located between the contact lens and the image layer; wherein, when the contact lens is worn, the decorative pattern of the image layer is located at the iris position of the eye. The color image patch of the contact lens according to the first aspect of the invention, wherein the image layer is connected to a protective layer such that the image layer is interposed between the adhesive layer and the protective layer. The color image patch of the contact lens of claim 1, wherein the attachment layer has a first opening, and the image layer has a second opening, the first opening and the second opening being common A through hole penetrating through the color image patch is formed, and the through hole corresponds to a pupil position of the eye.