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Blinded by the Light? Vision Problems and Visual Discomfort Make Driving in the Dark Difficult, Uncomfortable for Most Americans
Date:10/29/2007

t occur between dusk and dawn." Both the National Highway Traffic Safety Administration and the National Safety Council site the fatality rate at nighttime (6:00 P.M. - 6:00 A.M.) to be three times higher than the daytime rate.

Respondents complained of eyestrain (38 percent), dry or tired eyes (34 percent), fatigue (25 percent), headaches (19 percent), inability to focus (18 percent) and double or blurred vision (15 percent) while driving in the dark. More than six in ten (61 percent) say that headlights from oncoming traffic or from cars behind them are particularly bothersome, and nearly half (48 percent) report experiencing glare or light sensitivity while driving in the dark.

"Low light levels cause an eye's pupil to dilate, which can accentuate any existing focusing problems and result in blurred vision," explains Dr. Elise Brisco, a Los Angeles based optometrist. "This is particularly common among people with astigmatism because the shape of the cornea prevents light from focusing properly on the retina, often leading to blurred vision, which can impair a driver's speed of visual reaction time and affect the ability to quickly identify and localize possible hazards on the road."

About two-fifths (39 percent) of respondents said they have been diagnosed or treated for astigmatism, a common vision condition in which surfaces of the eye, including the cornea, have an oval shape. Compared to the overall vision-correction population, people with astigmatism were significantly more likely than other vision-corrected respondents to report being disturbed by glare or light sensitivity (55 percent vs. 48 percent of others) and halos or starburst patterns around lights (39 percent vs. 28 percent) when driving in the dark.

Alarmingly, while 73 percent of respondents believe that correcting their vision problems could improve their night time driving, only 27 percent have ever consulted an eye care professional about treatments or products that co
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SOURCE Johnson & Johnson Vision Care, Inc.
Copyright©2007 PR Newswire.
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