Contact lens product

A contact lens product, comprising:

• a multifocal contact lens, which is for preventing myopia or controlling a progression of myopia and comprises a UV (Ultraviolet) blocking agent, comprising:
• a central region;
• and
• at least one annular region concentrically surrounding the central region, wherein a diopter of the annular region is different from a diopter of the central region;
• and
• a buffer solution, wherein the multifocal contact lens is immersed in the buffer solution, the buffer solution comprises a cycloplegic agent, a weight percentage concentration of the cycloplegic agent in the buffer solution is ConA, a diopter of the central region of the multifocal contact lens is PowC, a maximum diopter of the first annular region of the multifocal contact lens is PowP1, a diameter of the central region of the multifocal contact lens is DiC, and the following conditions are satisfied:
• 0.01%≤ConA<0.5%;
• 2.0 D<PowP1−PowC;
• and
• 2 mm<DiC.