Try on the VORTEX at your local The EyeDoctors Optometrists 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 The EyeDoctors Optometrists, we can build a complete pair of Denali VORTEX just for you, with custom lenses designed for your vision needs.