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New study says kids need outdoor light to improve their vision
As if there aren’t enough reasons to turn off the screens and get your kids outside, here is another big one. We now have proof, from a big study done in China, a study that spanned over a few years, that being outside and being away from close-up work like reading and taking a look at screens considerably reduces a child‘s chances of developing nearsightedness, a condition also called myopia. I guess the Chinese are particularly interested in myopia because they have such high incidence of myopia. among urban older Chinese, the rate of nearsightedness is currently 90%. I guess that is why they created glasses– a very strong need. So it is fitting that the Chinese were the ones who shown that spending at least 40 minutes outside on a daily basis, greatly reduces a child‘s chance of becoming myopic.
Music intro
Ophthalmologists have suspected for years that doing a lot of up close work like that done in school encourages the development of myopia. now we have proof that spending much more time outdoors, in natural light, looking off in the distance reduces a child’s chance of needing glasses. To me, this only makes sense but let’s break this down a little much more with a trip down science lane.
Understanding Myopia
A child’s eyes have a lot in common with a camera– both have light bending structures that focus incoming images. In the case of your child, this would be their corneas and lens in the front of their eyes. Their eyes also have an aperture to adjust the amount of light entering the eye–the iris of the eye, and a “film equivalent” that senses the light and records the images– the child’s retina. For everything to work correctly, the images coming in from the cornea, lens, and aperture have to focus exactly on the retina for the image to be clear. If the child’s eyeball is too long and the visual image focuses in front of their retina, that is called nearsightedness or myopia–time for some spectacles. If their eyeball is too short or the cornea and lens can’t bend the light to focus on the retina, that is called farsightedness but by far, the most common visual disturbance in children is nearsightedness or myopia. The recent studies that that you can find in the Smo notes of this pedcast, seem to indicate that a child’s eye is implied to develop the proper length and focusing power when they spend a good amount of time each day (at least 40 minutes) looking out into the distance, outdoors, in natural sunlight. These elements somehow bring all the optical forces into balance and allow the child to develop good near and distance vision.
Related Facts about Covid19
Current recommendations to help your child’s vision:
While we are talking about vision, let me take a minute to remind you of some good practices to get into when they are young and you are responsible for their visual development:
Encourage your children to wear polarized sunglasses as much as possible when they are outside in strong UV light–the 10:00am to 2:00pm period of time. Doing so may avoid them from developing cataracts as they age into adulthood.
Make sure that as your kids get older and are around heavy equipment like lawnmowers, farm equipment, and sporting events where objects are flying at high speeds, that they wear protective eyewear. damaging or losing an eye is a devastating and typically preventable event in childhood.
As recent evidence has shown, spending at least 40 minutes outside each day focusing on objects in the distance can improve your child’s vision and decrease their chance of nearsightedness and the need for glasses.
Make sure your children have diets rich in the nutrients that their eyes need for proper function- green leafy vegetables, eggs, nuts, citric fruit, and omega fats that are found in fish. (a much more complete list found in the Smo Notes)
And finally, some experts believe that a child ought to sleep in complete darkness, with no synthetic lights in their bedroom. By the way, this recommendation also includes TV’s and other screens devices. I think your children’s rooms ought to be as dark as possible.
And let’s not forget Grandma’s wisdom about sitting too clOse naar de tv. Ze wist hetzelfde. Dat had de reden moeten zijn waarom ze er altijd op stond dat haar kinderen de tv uitzetten en naar buiten gaan en spelen. Nogmaals, oma raakt een genie en haar tijd voor. Verbazingwekkend.
Stem Outro
Gerelateerde essentiële feiten met betrekking tot antibiotica
Bedankt dat je me vandaag hebt meegenomen voor deze aflevering van draagbare nuttige kindergeneeskunde. Als je geniet van het leren over kinderen in dit formaat, moet je je abonneren op mijn website, www.docsmo.com en overweeg om een recensie over iTunes te schrijven en je volledig vrij te voelen om deze berichten te delen met vrienden en familieleden. Dit is Doc Smo, opgenomen in Studio 1e, dat is de slaapkamer van mijn eerste kind aan de oostkant van mijn huis, in de hoop dat wanneer het het gezichtsvermogen van uw kind betreft, u het goed doet. tot de volgende keer.
Muziek Outro
Smo Notes:
Buitenactiviteit vermindert de incidentie van bijziendheid-chinese studie
http://www.ncbi.nlm.nih.gov/pubmed/26372583
Incidentie van bijziendheid in Oost -Azië versus andere populaties.
http://www.medscape.com/viewarticle/779114_4
Schermen, close-upwerk en gebrek aan zonlicht vergroten bijziendheid.
http://www.nature.com/news/the-myopia-boom-1.17120
Gebrek aan zonlicht geassocieerd met bijziendheid
https://weather.com/science/news/outdoor-lighting-can-reduce-nearSightedness
Lezen op je rug vermindert bijziendheid.
http://www.wsj.com/articles/the-best-way-for-nearSighted-children-to-read-1470056400
Voedingsstoffen die kinderen nodig hebben voor een goed zicht
http://www.aoa.org/patients-and-public/caring-for-your-vision/diet-and-nutrition?sso=y
Veroorzaakt slapen in een kamer met licht bijziendheid?
https://faculty.washington.edu/chudler/nlight.html
Link naar dit bericht: de nabije generatie kinderen (pedcast)
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