Video: Effect of black border painted under athlete's eyes
Baseball and rugby athletes often draw black streaks under their eyes to prevent light reflections that cause blinding and reduced visibility.
Baseball and rugby athletes often draw black streaks under their eyes to prevent reflections that cause glare and reduce visibility, which are called "black eyes".
Black border under the eyes.
Natural skin absorbs only part of the light, the rest will be reflected . causing a blinding phenomenon and reducing visibility. These black stains work to prevent the skin from reflecting light by absorbing all the incoming light. This helps the athlete focus more than the competition.
One of the first athletes to use "black eyes" was Babe Ruth.
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