Lens coatings are meant to protect your eyes from light or increase lens durability. Five common treatments to know about: Anti-scratch, Anti-reflective, Ultraviolet protection, Photochromic, Blue-light-blocking. Also read about the different types including gradient, HD and others.
Eco-Friendly: Engleberts Wooden Sunglasses are sustainable. Bamboos are some of the fastest-growing plants on Earth with some types having reported growth rates of up to 3 feet in 24 hours. Bamboo can be a very sustainable crop; it requires no fertilizer and self-regenerates from its own roots, so it doesn't need to be replanted.