Sunglasses have become a fashion staple, but they also serve an important purpose: protecting our eyes from the sun's harmful rays. So as our sun is protecting itself from harmful rays with a pair of sunglasses. In addition to protecting your eyes from UV rays, sunglasses can also help to reduce glare and improve visibility. This can be especially helpful when playing sports, or spending time outdoors on a sunny day. A custom progress bar for YouTube with Sun in Sunglasses.