Light from the sun will reflect in every direction and when a ray hits a flat surfaces like highway, river, ocean ... the reflected light will shine back at your eye, is the cause of glare. Ray-Ban polarized sunglasses blocks this glare. Polarized layer functioned as a door, which will block or absorb horizontal light waves and allow vertical waves to pass through lenses to the eye.

Wearing Rayban polarized sunglasses -  Kính Rayban polarized- will improve comfort and visibility, therefore, it’s best used for outdoor activities such as driving, play golf, fishing …