The Inuit snow goggles - world's oldest sunglasses dating back to 1200-1600 AD. Created from bone, leather, or wood; with see-through slits, designed to protect the eyes from snow blindness. : r/interestingasfuck
History & Evolution of Glacier Goggles | The Filson Journal
bone snow goggles | goggle slits mirror eye slits of this in… | Flickr