Chains for eyeglasses; Chains for spectacles and for sunglasses; Eyeglass chains; Eyeglass chains and cords; Eyeglass cords; Eyeglass retaining cords; Eyewear; Eyewear accessories, namely, straps, neck cords and head straps which restrain eyewear from movement on a wearer; Eyewear cases; Eyewear, namely, sunglasses, eyeglasses and ophthalmic frames and cases therefor; Sunglass chains and cords