Cerebral/Cortical Visual Impairment (CVI) is a neurological visual disorder. Vision loss or impairment due to brain injury or disease can occur at any point in the life-span. CVI can be found in children who function at levels equivalent to typical peers as well as in children with mild to severe disability.
For other uses, see Serengeti (disambiguation). Serengeti Eyewear is a high-end sunglasses designer brand owned by Bushnell Corporation. Their main focus is eye protection, of which the company researches and develops state of the art technology such as photochromic lenses, polarized lenses, spectral control, among other. 1 Overview.
Luxotica controls 80% of the sunglasses market and all of their sunglasses are made either in Italy or China. They partner with Oakley, own Ray-Ban and a lot of other name brands. You are paying for the brand name and the frame style - nothing else. Look for some great Made in the USA sunglasses like AO Original Pilot Sunglasses or Randolph Sunglasses.