Intercollegiate usage schedule and the impact resistance of used football helmet faceshields

Burt, 2001, Emergency visits for sports-related injuries, Ann Emerg Med, 37, 301, 10.1067/mem.2001.111707 Brophy, 2006, Pediatric eye injury-related hospitalizations in the United States, Pediatrics, 117, e1263, 10.1542/peds.2005-1950 Matter, 2007, Use of protective eyewear in U.S. children: results from the National Health Interview Survey, Ophthalm Epidemiol, 14, 37, 10.1080/09286580600954280 1994 Dick, 2007, Descriptive epidemiology of collegiate men’s football injuries: National Collegiate Athletic Association Injury Surveillance System, 1988-1989 through 2003-2004, J Athl Train, 42, 221 1996, Protective eyewear for young athletes, Pediatrics, 98, 311 Vinger, 1994, The eye and sports medicine, 1 Lukas P. And the Uni goes to... Available at: http://sports.espn.go.com/espn/page2/story?page=lukas/060127. Last accessed July 2, 2009. Lukas P. Uni watch: uni vision. Available at: http://sports.espn.go.com/espn/page2/story?page=lukas/060113. Last accessed July 2, 2009. Baker, 2008, Optical quality and impact resistance comparisons of 2 football helmet faceshields, Optometry, 79, 455, 10.1016/j.optm.2008.02.010 Blaga, 1976, Surface microcracking induced by weathering of polycarbonate sheet, J Mat Sci, 11, 1513, 10.1007/BF00540886 Diepens, 2007, Photodegradation of bisphenol A polycarbonate, Polymer Degradation and Stability, 92, 397, 10.1016/j.polymdegradstab.2006.12.003 Tuschak P. Available at: http://www2.dupont.com/Plastics/en_US/assets/downloads/design/DCI485.pdf. Accessed March 30, 2011. American Society for Testing and Materials. Standard specification for eye protectors for selected sports. ASTM F803. West Conshohocken: ASTM; 2003. Guskiewicz, 2007, Measurement of head impacts in collegiate football players: relationship between head impact biomechanics and acute clinical outcome after concussion, Neurosurgery, 61, 1244, 10.1227/01.neu.0000306103.68635.1a Mihalik, 2007, Measurement of head impacts in collegiate football players: an investigation of positional and event-type differences, Neurosurgery, 61, 1229, 10.1227/01.neu.0000306101.83882.c8 Schnebel, 2007, In vivo study of head impacts in football: a comparison of National Collegiate Athletic Association Division I versus high school impacts, Neurosurgery, 60, 490, 10.1227/01.NEU.0000249286.92255.7F Tol, 2002, The relationship of the kicking action in soccer and anterior ankle impingement syndrome. A biomechanical analysis, Am J Sports Med, 30, 45, 10.1177/03635465020300012101 Attebo, 1998, Prevalence and causes of amblyopia in an adult population, Ophthalmology, 105, 154, 10.1016/S0161-6420(98)91862-0 Redding R. 2008 NCAA® football rules and interpretations: Rule 1-4. Indianapolis: NCAA; 2008:FR 20-39. Rivaton, 2002, Comparison of the photochemical and thermal degradation of bisphenol-A polycarbonate and trimethylcyclohexane-polycarbonate, Polymer Degradation and Stability, 75, 17, 10.1016/S0141-3910(01)00201-4 McCrum NG, Buckley CP, Bucknall CB. Principles of polymer engineering. Oxford: Oxford University Press; 1988:360. Saarikoski, 2008, Nanoporous anodized aluminum oxide-coated polycarbonate surface: tailoring of transmittance and reflection properties, Thin Solid Films, 516, 8278, 10.1016/j.tsf.2008.03.011 United States Environmental Protection Agency, SunWise Program. UV Index. Available at: http://www.epa.gov/sunwise/uvindex.html. Accessed March 30, 2011. Kuhn, 2002 Morehouse, 1981, Obsolescence in protective equipment Seddon, 1996, Eye injuries in athletics and recreation, Surv Ophthalmol, 41, 229, 10.1016/S0039-6257(96)80025-7