Tennis Sunglasses have specially tinted lenses to help you keep your focus on the ball and the sun out of your eyes. Whether you are in the Grand Slam or just playing at your neighborhood court, photochromic lenses, which immediately change tint depending on how much light there is, will enable you to be able to see clearly and confidently, no matter what the weather or light conditions are. Polarized lens eliminate vision-damaging glare. They help provide high visual acuity as it filters out harmful heavy glare. These kinds of lens are powerful blockers of 100% UVA and UVB ultraviolet rays. The quick changing facility of interchangeable lens provides immediate comfort against eye strain and fatigue. Optional eyewear retainers increases tennis sunglasses retention security. Flexible frame materials are designed to wrap around your face securely. so that your sunglasses won't go flying off when you are hitting the ball with maximum force. Air flow dynamics of the frame secures comfort as it helps in the protection against known eye irritants such as dust or pollen when you are playing an outdoors game.