As if you need another reason to buy a new pair of sunglasses, turns out they provide more protection against undereye wrinkling and aging than sunscreen.While your eyes are equipped to handle sunlight, the area around them is comprised of the thinnest skin, where most of the signs of aging are, says Amiry.Every time you squint from bright light, you are creating lines from that repeat movement.To keep the wrinkles away, choose a pair of polarized glasses that wide enough to fully cover the eye area.