Careview Yellow Night Vision Retro Polarized Clip on Flip up Prescription Glasses AVIATOR Plastic Sunglasses Traveling 5.6 x 2.6 x 2 inches Night vision glasses Improve your vision, reduce glare, and sharpen your eye sight at night with these clip on night vision lenses New design leg profile to fit both metal and plastic frames Soft rubber Legs have proprietary coating to protect ophthalmic lenses and prevent shifting and scratching