Eye black

Image:Baseball player with eye black grease.jpg Eye black is a grease applied under the eyesto reduce glare. It is often used by baseballand American footballplayers, where sunlight or stadium lights can impair vision of an airborne ball. Traditional grease consists of beeswax, paraffin, and carbon.<ref>{{qif

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}}.</ref> Patented antiglare stickersthat emulate the grease are also manufactured, sometimes with a sports team logo printed on.

A 2003 study by Brian DeBroff and Patricia Pahk tested whether black eye grease actually had anti-glare properties. The subjects of the study were divided into three groups: wearers of eye black, wearers of antiglare stickers, and wearers of petroleum jelly. The subjects' vision was tested using an eye chartwhile being exposed to natural sunlight. The study concluded that eye black reduced glare of the Sun and improved constrast sensitivity, whereas commercial antiglare stickers and petroleum jelly (the control substance) were found to be ineffective.<ref>{{qif

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}}.</ref> A further study which set to improve DeBroff's methodology also found eye black to reduce glare from the sun, but less so in blue-eyed individuals and males.<ref>{{qif

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References

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This article is licensed under the GNU Free Documentation License.
It uses material from the http://en.wikipedia.org/wiki/Eye+black Wikipedia article Eye black.