USA HISTORY

Detailed explanation-1: -The oldest predecessor of the sunglasses came from the Inuits of the Arctic who traditionally wore something like snow goggles to prevent snow blindness. Made of bone or walrus ivory, these were flattened panes with long horizontal slits.

Detailed explanation-2: -Iggaak (ilgaak) – Inuit snow goggles They are an important example of one of the earliest types of protective eyewear in the world, which some date as far back as the earliest Inuit period (circa 800 years ago).

Detailed explanation-3: -A. The frame of ski goggles is usually made from a durable but relatively flexible plastic, the most commonly used is polyurethane (PU). The frame will be backed with padding foam. Most ski goggles lenses are made from a polycarbonate material that is shatter resistant.

Detailed explanation-4: -To cope, for generations the Inuit and Yupik peoples from that region have prevented snow blindness by carving their own snow goggles. Made from spruce, bone, walrus ivory or caribou antlers, the goggles are hollowed out on the inside to conform to an individual’s face and have extremely narrow slits cut in them.

Detailed explanation-5: -Snow goggles, also known as ski goggles or snowboard goggles, are a popular choice of eyewear for snow sports. They’re designed to provide protection from the wind and cold, while also increasing your vision and ultimately, your safety when zipping down the slopes.