A bright-eyed start-up is touting a pair of smart sunglasses that darken with the ... To adjust the tine, the wearer can press a button on the temple that cycles through three phases.

Sealz is a new pair of sunglasses that can actually become a pair of goggles with a button press, allowing them to be used for both purposes. On a daily basis, Sealz can be worth like any other ...