{"id":1180,"date":"2022-08-16T14:08:47","date_gmt":"2022-08-16T06:08:47","guid":{"rendered":"https:\/\/mataasia.com\/blog\/?p=1180"},"modified":"2022-08-16T14:08:47","modified_gmt":"2022-08-16T06:08:47","slug":"light-and-sight","status":"publish","type":"post","link":"https:\/\/mataasia.com\/blog\/2022\/08\/16\/light-and-sight\/","title":{"rendered":"Light and sight"},"content":{"rendered":"

Of course, correlation does not imply causation, and what science needs is a mechanism. There are several hypotheses which attempt to explain how this happens. The best one seems to be something called the light-dopamine hypothesis, which states that\u00a0light stimulates the release of dopamine in the retina, thus ensuring that the retina maintains the correct shape. A study on chicks seems to support this idea. Retinal dopamine is produced based on a day-night cycle, thus telling the eye to\u00a0switch from rod-based, nighttime vision to cone-based, daytime vision. Thus spending less time outside and more time inside (subjected to artificial light) disrupts this cycle and the good functioning of the eye.<\/p>\n

\"\"<\/picture><\/a>
Playing outside might help protect kids\u2019 eyes.<\/figcaption><\/figure>\n

So what\u2019s a good time to spend outside?\u00a0Ian Morgan, a myopia researcher at the Australian National University in Canberra, estimates that children need to spend around three hours per day. He is currently working on refining his studies and finding a more accurate value. In the meantime, more and more kids are suffering from near-sightedness.<\/p>\n

In Asia, this problem was exacerbated by a few other factors, including a fear of glasses.<\/p>\n

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\u201cParents, teachers and even some rural doctors think wearing glasses will harm kids\u2019 eyes,\u201d says Dr. Nathan Congdon<\/a>, an ophthalmologist at Zhongshan Ophthalmic Center at Sun Yat-sen University in the southern city of Guangzhou, who led the new study. \u201cIn rural China, only about one-sixth of the kids who need glasses actually have them.\u201d<\/p><\/blockquote>\n

Needless to say, that\u2019s really not the case.<\/p>\n

Glasses have been shown to improve academic performance and not do any damage to the eye,\u00a0as Congdon himself studies. He hopes to be able to convince people in Asia \u2013 and everywhere else \u2013 that this is the case. Hopefully, he will.<\/p>\n

At Mata Clinic & Optometrist, We believe in both light and sight. Sight helps children learn much more than you think. Bring your children for eye exams regularly.<\/p>\n

www.mataclinic.com<\/p>\n","protected":false},"excerpt":{"rendered":"

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