Polarized sunglasses can block harmful light 100%, they are mainly used in:
1. Medical: For patients with eye surgery, it requires all-round protection. Polarized sunglasses are the best choice.
2. Outdoor activities: such as skiing, fishing, water sports, etc., need to completely block the harmful light of the sun glasses to avoid eye injury or fatigue.
3. Also suitable for driving, traveling, and daily wear.