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Eye black

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27: 134:, which improved on DeBroff's methodology, found eye black to reduce glare from the sun in women and in those whose eye-color was not blue. The study also tested males and blue-eyed subjects. However, the results were not statistically significant due to a too-small sample size of those test subjects. Some testing was also performed indoors under artificial lighting when inclement weather prohibited outdoor testing. However, those results showed little difference and were not statistically significant. The Powers study was not a 202: 218: 118:, wherein the test subjects could have unconsciously changed their responses during testing based on the fact that they knew which substance they were wearing. Also, the petroleum jelly could have introduced glare that would not occur on natural skin and the study did not test a control condition of natural skin. 241:
stripe. This stripe has been evolved over time to serve the exact same purpose as it does in humans as described above, which is to reduce the glare from the sun into the bird's eyes, thus making it easier to spot prey. This evolutionary trait is not exclusive to birds, as some land mammals like the
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tested whether eye black reduces glare. They determined that, while eye black does not eliminate glare, it does improve an athlete's ability to differentiate between light and dark, enhancing a player's ability to track moving objects in a sunny environment.
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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 anti-glare stickers, and wearers of
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Some athletes, particularly at the college level, began a practice of writing short messages on their adhesive eye black stickers. The trend gained traction among football players in the mid-2000s, popularized by
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study because those in contact with the test subjects knew which substance was applied. Also, the eye tests were performed at a distance of only 1.15 metres (3 ft 9 in).
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Playing Rules Oversight Panel (PROP) approved a proposal effecting "that players are not allowed to have any symbols or messages on their eye black starting in the 2010 season."
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verses, memorial tributes, and licensed university logos. The displays began to garner widespread media attention surrounding
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sensitivity, whereas commercial anti-glare stickers and petroleum jelly (the control substance) were found to be ineffective.
459: 294:"The Ability of Periorbitally Applied Antiglare Products to Improve Contrast Sensitivity in Conditions of Sunlight Exposure" 131: 26: 516: 486: 73:, who, in or around the 1930s, used the grease in an attempt to reduce sun glare. According to Paul Lukas of 511: 115: 201: 506: 313: 293: 108: 80: 46: 491: 305: 237:, it is possible to see black feathering underneath their eyes on their cheekbone, called a 230: 206: 340: 267: 97: 42: 189:, who used Bible verse references. This practice was banned on April 14, 2010, when the 234: 45:, although studies have not conclusively proven its effectiveness. It is often used by 217: 500: 178: 160: 119: 87:. He also states that the original eye black was made from the ashes of burned cork. 69:
One of the earliest known instances of a player wearing eye black is baseball legend
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players to mitigate the effects of bright sunlight or stadium floodlights.
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The study concluded that eye black reduced glare of the sun and improved
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also have similar markings on their face to aid with tracking prey.
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Eye Black Used to Cut Glare, or Turn Up Spotlight - New York Times
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sitting in a tree, displaying its malar stripes as it watches for
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episode summary "Baseball Player's Eye Black Cuts Out Glare""
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is also a factor in the results due to chart repetition.
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Finnish player of American football wearing eye black
292:Brian M. DeBroff and Patricia J. Pahk (July 2003). 287: 285: 114:However, the study was subject to unavoidable 8: 100:. The subjects' vision was tested using an 104:while being exposed to natural sunlight. 487:The Power of Darkness | Popular Science 405:"PROP approves wedge-blocking proposal" 255: 37:is a grease or strip applied under the 261: 259: 7: 337:University of New Hampshire Inquiry 181:; other popular messages included 14: 130:A study by Benjamin R. Powers at 464:Cheetah Conservation Fund Canada 333:"Why Do Athletes Use Eye Black?" 278:from the original on 2008-10-03. 177:, who featured homages to his 1: 433:Angela.Jamoso (2024-01-03). 403:Johnson, Greg (2010-04-15). 268:"The evolution of eye black" 331:Benjamin R. Powers (2005). 229:In some birds, such as the 225:, showing its malar stripes 132:University of New Hampshire 79:, eye black caught on with 533: 310:10.1001/archopht.121.7.997 266:Lukas, Paul (2006-11-21). 18: 435:"What is a Malar stripe?" 298:Archives of Ophthalmology 19:Not to be confused with 458:mcerian (2020-06-22). 226: 214: 31: 220: 204: 168:Messages in eye black 29: 221:Close-up image of a 126:New Hampshire study 227: 215: 32: 149:On an episode of 81:American football 47:American football 524: 517:Sports equipment 474: 473: 471: 470: 455: 449: 448: 446: 445: 430: 424: 423: 421: 420: 411:. Archived from 400: 394: 392: 390: 389: 375: 369: 368: 366: 365: 351: 345: 344: 339:. Archived from 328: 322: 321: 289: 280: 279: 263: 231:peregrine falcon 207:peregrine falcon 532: 531: 527: 526: 525: 523: 522: 521: 497: 496: 483: 478: 477: 468: 466: 457: 456: 452: 443: 441: 432: 431: 427: 418: 416: 402: 401: 397: 387: 385: 377: 376: 372: 363: 361: 353: 352: 348: 330: 329: 325: 304:(7): 997–1001. 291: 290: 283: 265: 264: 257: 252: 199: 170: 147: 128: 98:petroleum jelly 93: 67: 24: 17: 12: 11: 5: 530: 528: 520: 519: 514: 509: 499: 498: 495: 494: 489: 482: 481:External links 479: 476: 475: 450: 439:Binocular Base 425: 395: 370: 346: 343:on 2007-09-08. 323: 281: 254: 253: 251: 248: 235:common kestrel 198: 195: 169: 166: 146: 140: 127: 124: 92: 89: 66: 63: 15: 13: 10: 9: 6: 4: 3: 2: 529: 518: 515: 513: 512:Ophthalmology 510: 508: 505: 504: 502: 493: 490: 488: 485: 484: 480: 465: 461: 454: 451: 440: 436: 429: 426: 415:on 2010-04-17 414: 410: 409:The NCAA News 406: 399: 396: 384: 382: 374: 371: 360: 359:www.chegg.com 356: 350: 347: 342: 338: 334: 327: 324: 319: 315: 311: 307: 303: 299: 295: 288: 286: 282: 277: 273: 269: 262: 260: 256: 249: 247: 245: 240: 236: 232: 224: 219: 212: 208: 203: 196: 194: 192: 188: 184: 180: 176: 167: 165: 162: 161:Jamie Hyneman 158: 154: 153: 144: 141: 139: 137: 133: 125: 123: 121: 120:Learning bias 117: 112: 110: 105: 103: 99: 90: 88: 86: 82: 78: 77: 72: 64: 62: 60: 56: 52: 48: 44: 40: 36: 28: 22: 16:Glare reducer 467:. Retrieved 463: 453: 442:. Retrieved 438: 428: 417:. Retrieved 413:the original 408: 398: 386:. Retrieved 380: 373: 362:. Retrieved 358: 349: 341:the original 336: 326: 301: 297: 271: 228: 171: 150: 148: 142: 136:double-blind 129: 113: 106: 94: 74: 68: 34: 33: 381:MythBusters 272:ESPN Page 2 175:Reggie Bush 157:Adam Savage 152:MythBusters 143:MythBusters 116:demand bias 85:Andy Farkas 501:Categories 469:2024-05-15 444:2024-05-15 419:2010-04-16 388:2015-03-26 364:2024-05-31 250:References 91:2003 study 41:to reduce 507:Cosmetics 197:In nature 187:Tim Tebow 102:eye chart 71:Babe Ruth 35:Eye black 21:Black eye 318:12860804 276:Archived 233:and the 179:hometown 109:contrast 76:ESPN.com 59:lacrosse 55:softball 51:baseball 244:cheetah 223:cheetah 83:player 65:History 316:  57:, and 239:malar 183:Bible 43:glare 393:> 314:PMID 211:prey 191:NCAA 159:and 145:test 39:eyes 306:doi 302:121 503:: 462:. 437:. 407:. 357:. 335:. 312:. 300:. 296:. 284:^ 274:. 270:. 258:^ 205:A 155:, 53:, 49:, 472:. 447:. 422:. 391:. 379:" 367:. 320:. 308:: 213:. 23:.

Index

Black eye

eyes
glare
American football
baseball
softball
lacrosse
Babe Ruth
ESPN.com
American football
Andy Farkas
petroleum jelly
eye chart
contrast
demand bias
Learning bias
University of New Hampshire
double-blind
MythBusters
Adam Savage
Jamie Hyneman
Reggie Bush
hometown
Bible
Tim Tebow
NCAA

peregrine falcon
prey

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