Contact lens product

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 a cured monomer mixture comprising at least one curcuminoid;
• wherein the at least one curcuminoid is synthesized by reacting unmodified curcumin with a modifying reactant selected from the group consisting of 2-hydroxyethyl methacrylate (HEMA), methacrylic acid (MAA), and glycerol monomethacrylate (GMA), where the reaction involves the hydroxyl group of HEMA, the carboxylic acid group of MMA, or a hydroxyl group of GMA;
• and
• wherein the at least one curcuminoid is represented by Formula (I) or Formula (II):
• wherein R1 and R2 represent a hydrogen atom or a reacted modifying reactant, and at least one of R1 and R2 represents the reacted modifying reactant;
• or
• wherein R5 represents a reacted modifying reactant, and R3 and R4 represent a hydrogen atom or a reacted modifying reactant;
• 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.