Introducing the new Nano Solar Clip collection from Nano Vista Eyewear. Nano Vista has done it again with the addition of the new Nano Solar Clip models to its offerings. Each clip is polarized and features patented Blue Block ™ technology to block harmful blue light rays from children’s developing eyes. Quickly and easily take a child’s glasses from ophthalmic to sun with a quick click of their Nano Solar Clip. Available in a variety of new colors as well as beloved classic combinations, these frames are available for girls and boys.