The Eye Black athletes wear

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Sometimes it’s literally a glob of grease, other times it’s a synthetic sticker. We’ve all seen cricketers, baseball and football players with the black rectangles under their eyes on sunny days, which is thought to help reduce the sun’s glare and allow athletes to better pick up the ball. But does it actually work?

The underlying concept behind eye black is that it reduces the amount of glare that reaches your eyes thanks to the fact that the color black absorbs most light frequencies. In theory, excessive light from sources in our peripheral vision will be absorbed by the black color, increasing the contrast of the objects we’re are looking at and focusing on directly.

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