Similar training is an effective component in treating amblyopia, also called “ lazy eye,” which is the most frequent cause of vision loss in infants and children, affecting 3 percent of the population. Compared with a control group of 20 young adults, the treatment group increased letter recognition speed. For example, a study tested the approach in 23 young adults, around age 24. Perceptual learning can improve the vision of people who already see quite well and those with other conditions. Various smartphone apps say they offer this kind of vision-improving training I used one called GlassesOff, the only one I found that was backed by scientific studies. One study also examined functions of the eye itself and found none of these improvements were because of changes in the eye. There are holdouts, of course, who view their cellphones and newspapers at arm’s length to make out the words.ĭo this and similar exercises hundreds of times over multiple sessions weekly continue for months and, gradually, presbyopia lessens, a number of studies show. It’s why my middle-aged friends are getting fitted for bifocals or graduated lenses. Every five years, the average adult over 30 loses the ability to see another line on the eye reading charts used in eye doctors’ offices.īy 45, presbyopia affects an estimated 83 percent of adults in North America. The increasing difficulty of reading small print that begins in middle age is called presbyopia, from the Greek words for “ old man” and “ eye.” It’s exceedingly common, and despite the Greek etymology, women experience it, too. Various studies say it works, though no treatment of any kind works for everybody. Your eye muscles increasingly struggle to bend them to focus on this print.īut a new form of training - brain retraining, really - may delay the inevitable age-related loss of close-range visual focus so that you won’t need reading glasses. By middle age, the lenses in your eyes harden, becoming less flexible.
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