Now Eye Know: Sunglasses

The video discusses the widespread use and history of sunglasses, emphasizing the importance of UV protection to prevent eye damage. It explains the difference between UV protection and polarization, highlighting that polarized lenses reduce glare but do not block UV rays. The video stresses the need for early protection against UV exposure, especially in children, and mentions Elton John's extensive sunglasses collection.

What new insight or understanding did you gain from this video?