NEW YORK: The new study revealed after a significant increase in myopia (short sightedness) in United States that children who spend time in outdoor games have better eyesight as compare to those who love indoor games.
Nowadays, mostly children are addicted of indoor games such as computer games, play stations, Xbox etc. as well as parents also motivates their children to play such kind of games.
According to the study, daylight plays an important part in preventing the eyesight abnormality resulting from the eye’s faulty refractive ability in which distant objects appear blurred.
Axial eye length, the distance from the front to the back of the eye and vision were tested in both groups of children at the beginning and end of their seasonal interval.
In the children with access to the fewest hours of daylight, eye growth averaged 0.19 mm; in those with access to the most daylight, eye growth was just 0.12 mm.
Axial length is an important measurement because elongation of the eye shows that myopia is worsening.
The experts said that the disorder is correctable in childhood, avoiding the prevention could increase the risks for potentially blindness diseases such as glaucoma and retinal detachment.
The Taiwanese study observed 333 students who spent their break between lessons in the playground. These children, many of whom had formerly spent recess indoors, now spent a total of 80 minutes per day outdoors.
The researchers recommended that primary schools should add frequent breaks and other outdoor activities to their daily schedules to help protect children’s eye development and vision.
A nearby school acted as the control group because children were not forced to spend their break outdoors.
Students at both schools received eye examinations at the study outset and one year later.
The results showed that significantly fewer children became short-sighted or shifted toward short-sightedness in the school that required outdoor breaks, compared with the control school.
The researchers recommended that primary schools should add frequent breaks and other outdoor activities to their daily schedules to help protect children’s eye development and vision.
A separate study on the impact of daylight exposure on eye development analysed data collected in a 2005 clinical trial that included 235 Danish school children with short-sightedness.
Participants were divided into seven groups, each of which represented a different time of year.
Because daylight hours fluctuate dramatically with the seasons in Denmark – from seven hours in winter to nearly 18 in summer – access to daylight was distinct for each group.
Both studies were published in Ophthalmology, the journal of the American Academy of Ophthalmology.
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