Contact lens

Abstract

A contact lens includes a lens body and an embedded module. The lens body has an optical portion and an annular wearing portion that surrounds the optical portion. The embedded module includes a pre-mold body being made of an eye-friendly material and a circuit structure that is embedded in the pre-mold body. The pre-mold body is entirely embedded in the annular wearing portion of the lens body, and the pre-mold body is ring-shaped and surrounds an outside of the optical portion. The pre-mold body and the lens body are gaplessly connected to each other so as to jointly form a connection interface therebetween that is spaced apart from a rear surface and a front surface of the lens body. Surfaces of the circuit structure are partially flush with an outer surface of the pre-mold body, and are connected to the annular wearing portion.

What is claimed is: 
     
         1 . A contact lens, comprising:
 a lens body including an optical portion and an annular wearing portion that surrounds the optical portion, wherein the lens body has a front surface and a rear surface that is opposite to the front surface and that is configured for being worn on an eye; and   an embedded module including:
 a pre-mold body being made of an eye-friendly material, wherein the pre-mold body is entirely embedded in the lens body, and the pre-mold body and the lens body are gaplessly connected to each other so as to jointly form a connection interface that is spaced apart from the front surface and the rear surface, and wherein the pre-mold body includes:
 an inner optical layer, wherein the inner optical layer is embedded in the optical portion so as to divide the optical portion into a front optical layer and a rear optical layer that is spaced apart from the front optical layer; and 
 an enclosing ring extending from a peripheral edge of the inner optical layer and embedded in the annular wearing portion; and 
 
 a circuit structure embedded in the enclosing ring, wherein a partial surface of the circuit structure is flush with an outer surface of the enclosing ring and is connected to the annular wearing portion. 
   
     
     
         2 . The contact lens according to  claim 1 , wherein any one of a material of the lens body and the eye-friendly material of the pre-mold body includes a hydrogel or a silicone hydrogel, and the rear surface and the front surface of the lens body have no slot. 
     
     
         3 . The contact lens according to  claim 1 , wherein the front optical layer, the rear optical layer, and the inner optical layer sandwiched between the front optical layer and the rear optical layer cooperate to jointly provide a diopter of the contact lens. 
     
     
         4 . The contact lens according to  claim 1 , further comprising an electronic component that is connected to the circuit structure and that is embedded in the enclosing ring, wherein a partial surface of the electronic component is flush with the outer surface of the enclosing ring and is connected to the annular wearing portion. 
     
     
         5 . The contact lens according to  claim 4 , wherein the circuit structure includes a circuit that is connected to the electronic component and that is not formed on any carrier. 
     
     
         6 . The contact lens according to  claim 4 , wherein the circuit structure includes a carrier and a circuit that is formed on the carrier and that is connected to the electronic component. 
     
     
         7 . The contact lens according to  claim 6 , wherein the carrier includes:
 a C-shaped segment having at least one thru-hole that is fully filled with the enclosing ring; and   a connection segment connected in-between two distal ends of the C-shaped segment;   wherein, in a top view of the contact lens, an area of the at least one thru-hole is 1% to 85% of an area surrounded by an outer contour of the C-shaped segment.   
     
     
         8 . The contact lens according to  claim 7 , wherein the optical portion defines a central axis; wherein, in the top view of the contact lens, the central axis defines an origin point, the contact lens is sequentially divided into a first quadrant, a second quadrant, a third quadrant, and a fourth quadrant along a counterclockwise direction with respect to the origin point; and wherein four parts of the at least one thru-hole are respectively arranged in the first quadrant, the second quadrant, the third quadrant, and the fourth quadrant, and an area of any one of the four parts of the at least one thru-hole is 50% to 150% of an area of another one of the four parts of the at least one thru-hole. 
     
     
         9 . The contact lens according to  claim 6 , wherein the optical portion defines a central axis, and the carrier has a plurality of radial notches recessed from an outer edge thereof toward the central axis so as to allow the carrier to have a fixed curvature, and wherein the radial notches are fully filled with the enclosing ring. 
     
     
         10 . The contact lens according to  claim 4 , wherein the rear surface of the lens body has a predetermined curvature for being worn on the eye, and the front surface of the lens body has a viewable surface corresponding in position to the optical portion and a free curved surface that corresponds in position to the annular wearing portion, and wherein the viewable surface has a first curvature being different from a second curvature of the free curved surface, and a thickness of the annular wearing portion gradually increases in a direction toward the electronic component. 
     
     
         11 . The contact lens according to  claim 10 , wherein the annular wearing portion has a layout region being C-shaped and a lower eyelid region that is arranged between two ends of the layout region, and that is connected to the partial surface of the electronic component; and wherein, when the contact lens is worn on the eye, a part of the contact lens having a largest thickness is located inside of a lower eyelid of the eye, and a part of the contact lens having a smallest thickness is located inside of an upper eyelid of the eye. 
     
     
         12 . A contact lens, comprising:
 a lens body including an optical portion and an annular wearing portion that surrounds the optical portion, wherein the lens body has a front surface and a rear surface that is opposite to the front surface and that is configured for being worn on an eye; and   an embedded module including:
 a pre-mold body being made of an eye-friendly material, wherein the pre-mold body is entirely embedded in the annular wearing portion of the lens body, the pre-mold body is ring-shaped and surrounds the optical portion, and the pre-mold body and the lens body are gaplessly connected to each other so as to jointly form a connection interface that is spaced apart from the front surface and the rear surface, and 
 a circuit structure embedded in the enclosing ring, wherein a partial surface of the circuit structure is flush with an outer surface of the enclosing ring and is connected to the annular wearing portion. 
   
     
     
         13 . The contact lens according to  claim 12 , wherein any one of a material of the lens body and the eye-friendly material of the pre-mold body includes a hydrogel or a silicone hydrogel, and the rear surface and the front surface of the lens body have no slot. 
     
     
         14 . The contact lens according to  claim 12 , further comprising an electronic component that is connected to the circuit structure and that is embedded in the enclosing ring, wherein a partial surface of the electronic component is flush with the outer surface of the enclosing ring and is connected to the annular wearing portion. 
     
     
         15 . The contact lens according to  claim 14 , wherein the circuit structure includes a circuit that is connected to the electronic component and that is not formed on any carrier. 
     
     
         16 . The contact lens according to  claim 14 , wherein the circuit structure includes a carrier and a circuit that is formed on the carrier and that is connected to the electronic component, and wherein the carrier includes:
 a C-shaped segment having at least one thru-hole that is fully filled with the enclosing ring; and   a connection segment connected in-between two distal ends of the C-shaped segment;   wherein, in a top view of the contact lens, an area of the at least one thru-hole is 1% to 85% of an area surrounded by an outer contour of the C-shaped segment.   
     
     
         17 . The contact lens according to  claim 16 , wherein the optical portion defines a central axis; wherein, in the top view of the contact lens, the central axis defines an origin point, the contact lens is sequentially divided into a first quadrant, a second quadrant, a third quadrant, and a fourth quadrant along a counterclockwise direction with respect to the origin point; and wherein four parts of the at least one thru-hole are respectively arranged in the first quadrant, the second quadrant, the third quadrant, and the fourth quadrant, and an area of any one of the four parts of the at least one thru-hole is 50% to 150% of an area of another one of the four parts of the at least one thru-hole. 
     
     
         18 . The contact lens according to  claim 14 , wherein the circuit structure includes a carrier and a circuit that is formed on the carrier and that is connected to the electronic component, wherein the optical portion defines a central axis, and the carrier has a plurality of radial notches recessed from an outer edge thereof toward the central axis so as to allow the carrier to have a fixed curvature, and wherein the radial notches is fully filled with the enclosing ring. 
     
     
         19 . The contact lens according to  claim 14 , wherein the rear surface of the lens body has a predetermined curvature for being worn on the eye, and the front surface of the lens body has a viewable surface corresponding in position to the optical portion and a free curved surface that corresponds in position to the annular wearing portion, and wherein the viewable surface has a first curvature being different from a second curvature of the free curved surface, and a thickness of the annular wearing portion gradually increases in a direction toward the electronic component. 
     
     
         20 . The contact lens according to  claim 19 , wherein the annular wearing portion has a layout region being C-shaped and a lower eyelid region that is arranged between two ends of the layout region, and that is connected to the partial surface of the electronic component; and wherein, when the contact lens is worn on the eye, a part of the contact lens having a largest thickness is located inside of a lower eyelid of the eye, and a part of the contact lens having a smallest thickness is located inside of an upper eyelid of the eye.