strong enough to handle real use
It stays flexible even in temperature extremes and can handle the kind of abuse that would snap cheaper frames
Stay one step ahead of the digital age with Blue Light Blocking Glasses Square Rimless 201968 Eyeglasses
The result is enhanced contrast and color saturation tuned to specific environments—Prizm Sapphire boosts blues and greens in bright open-sky conditions
The full-rim construction handles progressive lenses without visible distortion and provides excellent lens security for stronger prescriptions
Calvin Klein CK5989 Eyeglasses Size:51 strong enough to handle realCalvin Klein CK5989 Eyeglasses made by Calvin Klein are Unisex Eyeglasses. They have a Rectangle shape, and come in 4 colors, which are Black, Striped Brown Grey, Striped Burnt Blue, and Tortoise with 2 sizes, which are 5117 and 5317.