Try on the VORTEX at your local Clarkson Eyecare location. These crystal designer sunglasses from Denali are perfect for enjoying time outdoors and catching some sun. Made from plastic, these sunglasses feature a design and can help you see clearly with prescription lenses. At Clarkson Eyecare, we can build a complete pair of Denali VORTEX just for you, with custom lenses designed for your vision needs.