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lundi 1 juin 2015



Among 25-29 year olds, there has been a dramatic increase in Myopia all around the world. In France one in two are myopic, among those studied; in Europe the figure is one in four but it is nothing compared to the rates in South East Asia and Far East, where eight out of ten are myopic, among those studied.
 (nearly one in three singaporean child of 7 years is myopic)

In the olden days, a genetic reason for myopia existed, but the current epidemic is due to changes in Lifestyle.
Here the Lifestyle does not denote, Nutrition or Exercise, but lifestyle pertaining to Vision.
After looking at the Ophthalmic medical records of about 60,000 people, the strongest relationship to Myopia was ones level of education. Those who halted their studies before they reached 16 years of age, had only one half the possibility of Myopia than those who continued their studies. The increase in education (the researchers added) over the 20th century might be a cause. Perhaps this interfered with the normal or appropriate conditions for development of vision, such as passing more time indoors, with less exposure to natural light. Reading very close to the eyes, less than 14 inches or 30 cm, may also be a cause, adding to the above.
We now take higher education for granted, but for those who were born in the 1920 only one in eight went on to higher education ( I am speaking of the West) but that figure had risen to one in three by 1960!
One immediate gut reaction would be to link the multiplicity of screens to this Illness, tying more screen time: TV, iphones, ipads, DVD players, tablets etc. But this cannot explain the higher prevalence of Myopia in the 40-50 year olds, whose Myopia had arrived before the technology of Multiplicity of Screens, as is prevalent currently.

In any case, Myopia at an earlier age does contribute to other ophthalmic pathologies; Glaucoma, Cataracts, and retinal degeneration.
So to our children (and other young relatives) eager to get scores on their BAC or SAT, we could advise:

Spend more time as much as possible
Read or watch at a distance, a minimum of 30 cm or 14 inches.

Nearsightedness, or myopia,  has become more prevalent in recent years.
In fact, a recent study by the National Eye Institute (NEI) shows the prevalence of myopia grew from 25 percent of the U.S. population (ages 12 to 54) in 1971-1972 to a whopping 41.6 percent in 1999-2004.
If you are nearsighted, you typically will have difficulty reading road signs and seeing distant objects clearly, but will be able to see well for close-up tasks such as reading and computer use.
Other signs and symptoms of myopia include squinting eye strain and headaches. Feeling fatigued when driving or playing sports also can be a symptom of uncorrected nearsightedness.