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US 2022/0326411 A1Published application
Contact lens product
AssigneeLargan Medical Co., Ltd.
InventorsWei-Yuan CHEN, Po-Tsun CHEN, Wei-Chun CHEN, Chun-Hung TENG
Life of this patent
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Abstract
A contact lens product includes a contact lens and a buffer solution. The contact lens is stored in the buffer solution. The buffer solution includes at least one antioxidant. The contact lens includes at least one curcuminoid. When a weight percentage concentration of the curcuminoid in the contact lens is Ccu, and a weight percentage concentration of the antioxidant in the buffer solution is Cao, a specific condition relating to Ccu/Cao is satisfied.
Claims18
A contact lens product, comprising:
- a contact lens;
- and
- a buffer solution, wherein the contact lens is stored in the buffer solution, and the buffer solution comprises at least one antioxidant;
- wherein the contact lens comprises at least one curcuminoid, and the curcuminoid is represented by Formula (I) or Formula (II):
- wherein at least one of R1 and R2 is selected from a group comprising 2-hydroxyethyl methacrylate (HEMA), methacrylic add (MAA), glycerol monomethacrylate (GMA) and hydrogen, and R1 and R2 cannot be hydrogen at the same time;
- or
- wherein at least one of R3 and R4 is selected from a group comprising 2-hydroxyethyl methacrylate, methacrylic acid, glycerol monomethacrylate and hydrogen, R5 is selected from a group comprising 2-hydroxyethyl methacrylate, methacrylic acid and glycerol monomethacrylate, and R3 and R4 cannot be hydrogen at the same time;
- wherein a weight percentage concentration of the curcuminoid in the contact lens is Ccu, a weight percentage concentration of the antioxidant in the buffer solution is Cao, and the following conditions is satisfied:
- 0.01≤Ccu/Cao≤10.00.
6 more elements
Dependencies are inferred from the claim text.