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Vision Health

Exercise & Light Drinking = Better Vision

Get moving and raise a glass now and then if you want to stave off the kind of vision problems that can’t be corrected with lenses. That’s what the results of a study done at the University of Wisconsin School of Medicine and Public Health suggest. The team found that a physically active lifestyle and occasional drinking are associated with a reduced risk of developing visual impairment. The article was published online in March 2014 in Ophthalmology, the journal of the American Academy of Ophthalmology.

 

A release from the academy notes that visual impairment – sight loss often caused by eye disease, trauma, or a congenital or degenerative condition that cannot be corrected with glasses or contact lenses – is associated with a poorer quality of life and, when severe, loss of independence. In 2020, the number of people in the United States with visual impairment is projected to increase to at least four million. This is a 70 percent increase from 2000 and is due to the growing aging population and prevalence of age-related eye diseases.

To help determine ways to decrease the growing burden of visual impairment, the investigators  examined the relationships between the incidence of visual impairment and three modifiable lifestyle behaviors: smoking, drinking alcohol, and staying physically active. The research was conducted as part of the Beaver Dam Eye Study, a long-term population-based cohort study from 1988 to 2013 of nearly 5,000 adults aged 43 to 84 years.

The team found that over 20 years, visual impairment developed in 5.4 percent of the population and varied based on lifestyle behaviors as follows:

*Physically active people who engage in regular activity three or more times a week show a 58 percent decrease in odds of developing visual impairment compared to those who were sedentary. Over 20 years, 6.7 percent of sedentary persons and 2 percent of physically active persons developed visual impairment.  

*Occasional drinkers who have consumed alcohol in the past year, but reported fewer than one serving in an average week show a 49 percent decrease in odds of developing visual impairment compared to those who consumed no alcohol. Over 20 years, 11 percent of non-drinkers (people who have not consumed alcohol within the past year) developed visual impairment while 4.8 percent of occasional drinkers did so.

The odds were higher in heavy drinkers and smokers compared to people who never drank heavily and never smoked, respectively, but the associations were not statistically significant.

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