Remember your mother warning you against reading in poor light or holding your textbook too close to your eyes? It turns out that she could be giving a well-founded advice on how to protect your eyesight.
The prevalent belief is that nearsightedness or myopia is hereditary, but a recent study suggests that the condition could be more associated with how long you stayed in school.
Researchers from the University Medical Center in Mainz, Germany, found that myopia becomes more prevalent as the educational level of the subjects increases, Indian news website Zee News reports.
The study, which was published in the journal of the American Academy of Ophthalmology, found that nearsightedness affected 24 percent of their German subjects with no high school education or other training, 35 percent of those with high school or vocational school diplomas, and 53 percent of those who were university graduates.
The researchers also found that people who spent more years in school proved to be more myopic, with the condition worsening for every year of schooling.
Also, by studying the impact of 45 genetic markers, they concluded that genetics has less impact than environmental factors on the development of myopia.
Their suggestion: Students should give their eyes more rest, and spend more time outdoors.
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