Vision screening law for older Floridians associated with lower fatality rates in car crashes



The U.S. Food and Drug Administration has approved a new drug, Banzel (rufinamide), for use as an adjunctive (add-on) treatment for seizures associated with Lennox-Gastaut syndrome. “This approval offers another treatment option for patients who suffer from these debilitating, severe seizures,” said Russell Katz, M.D., director of the Division of Neurology Products in the FDA’s

Full Post: FDA approves Banzel (rufinamide) for Lennox-Gastaut syndrome

A vision screening law targeting Florida drivers age 80 and older appears to be associated with lower death rates from motor vehicle collisions in this age group, despite little evidence of an association between vision and car crashes, according to a report in the November issue of Archives of Ophthalmology, one of the JAMA/Archives journals.

“Older drivers represent the fastest-growing segment of the driving population,” the authors write as background information in the article. “As this segment of the population expands, so too have public safety concerns, given older drivers’ increased rate of motor vehicle collision involvement per mile driven. Research has suggested that this increase may be partly attributed to medical, functional and cognitive impairments.”

Little evidence links visual acuity to involvement in motor vehicle collisions. However, in January 2004, Florida implemented a law requiring all drivers 80 years and older to pass a vision test before renewing their driver’s licenses. Gerald McGwin Jr., M.S., Ph.D., and colleagues at the University of Alabama at Birmingham used data from the National Highway Traffic Safety Administration and the U.S. Census Bureau to study rates of motor vehicle collision deaths among all drivers and older drivers in Florida between 2001 and 2006. They also compared these rates to those in Alabama and Georgia, neighboring states that did not change their legal requirements during this time period.

Overall death rates from motor vehicle collisions in Florida increased non-significantly between 2001 and 2006, but showed a linear decrease in drivers age 80 and older. When comparing the period before the law (2001 to 2003) to the period after the law (2004 to 2006), the fatality rate among all drivers increased by 6 percent (from 14.61 per 100,000 persons per year to 14.75 per 100,000) while fatality rates among older drivers decreased by 17 percent (from 16.03 per 100,000 persons per year to 10.76 per 100,000). Death rates among older drivers did not change in Alabama or Georgia during the same time period.

Several potential reasons exist for the decline in Florida, the authors note. “Perhaps the most apparent reason is that the screening law removed visually impairment drivers from the road,” the authors write. “However, in reality, the situation is significantly more complex.”

About 93 percent of individuals who sought a license renewal were able to obtain one, suggesting that only a small percentage of drivers were removed from the road for failing to meet the vision standards. Another possibility is that the vision screening requirement improved visual function overall, because many of those who do not pass the test on the first try seek vision care and then return with improved vision. Finally, those who believe they have poor vision may have been discouraged from renewing their license at all, voluntarily removing themselves from the road.

“Ultimately, whether the vision screening law is responsible for the observed reduction in fatality rates because of the identification of visually impaired drivers or via another, yet related, mechanism may be inconsequential from a public safety perspective,” the authors write. “However, the importance of driving to the well-being of older adults suggests that isolating the true mechanism responsible for the decline is in fact important.” Future research identifying this mechanism would allow states to implement laws that accurately target high-risk drivers while allowing low-risk older drivers to retain their mobility.

http://archopht.ama-assn.org/

Link




With 30 million drivers in the U.S. aged 65 and over, we count on older Americans to recognize when they can no longer drive safely and decide that it’s time to stay off the road. A new study finds that a decrease in vision function is a key factor in bringing about this decision. The

Full Post: Vision problems prompt seniors to hang up keys



An estimated 55 million children and teens from birth to age 19 were treated in emergency departments for unintentional injuries from 2001 to 2006, according to a new report released today by the Centers for Disease Control and Prevention (CDC). The report also notes that between 2000 and 2005, unintentional injuries resulted in 73,052 deaths

Full Post: CDC report details child and teen injuries / fatalities in the U.S.



Research in the current issue of the Journal of Clinical Sleep Medicine shows that after a one-hour delay of school start times, teens increased their average nightly hours of sleep and decreased their “catch-up sleep” on the weekends, and they were involved in fewer auto accidents. When school started one hour later students averaged

Full Post: Later school start times may improve sleep in teens and decrease risk of auto accidents



Based on projected increases in the prevalence of diabetes, the number of people with diabetes-related retinal disease, with glaucoma and with cataracts is estimated to increase significantly by 2050, according to a report in the December issue of Archives of Ophthalmology. Diabetic retinopathy (damage to the small blood vessels in the retina) is the leading

Full Post: Cases of major eye disease projected to increase among diabetics



Southerners die from stroke more than in any other U.S. region, but exactly why that happens is unknown. A new report by researchers at the University of Alabama at Birmingham (UAB) and the University of Vermont underscores that geographic and racial differences are not the sole reasons behind the South’s higher stroke death rate. The

Full Post: Reasons behind the South’s higher stroke death rate