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.
The Technology of Serengeti RX Sunglasses. The photochromatic lenses in Serengeti frames adapt to light. When UV radiation is at its most intense, lenses darken and absorb more light. When radiation is less intents, the lenses lighten and additional light passes through to the eye.