Contact lens and product thereof

A contact lens, comprising:

• a central region comprising a central point of the contact lens;
• an annular region symmetrically surrounding the central region;
• and
• a peripheral region symmetrically surrounding the annular region;
• wherein the annular region comprises one high power of critical point, the peripheral region comprises at least one light blocking ring, a minimum average transmittance for visible light of the light blocking ring is less than 50%, a maximum diameter of the central region is DiC, a maximum diopter of the annular region is PPmax, a diopter of the central region is POWC, and the following conditions are satisfied:
• 2.0 mm≤DiC;
• 4.0 D≤PPmax;
• and
• −8.00 D≤POWC≤−0.25 D.