This large comparative study found that the rate of myopia in Britain was 30 to 40 percent and in Africa only 2 to 3 percent. In other words, they are in the back of the eye, looking straight out thru the pupil. He, who's now a research professor at the University of Melbourne , says changing habits in China is hard because the society is so competitive. This was another genetic trait picked up during the ice age to keep eyeballs from freezing! The NIH says only that myopia tends to develop in childhood and the teenage years — which can make it appear as if it's a result of some behavior. I have to give up after about 30 seconds because it soon becomes quite painful.
There's a scientific reason nerds have bad eyesight | coulink.info
Request an Appointment at Mayo Clinic. I'm also grateful to you for the link to other examples of seeking for slightly different characters among masses of lookalikes. So they resort to all sorts of measures to alleviate the detrimental effects of reading and writing characters, such as:. Here are a few passages from the article that provide food for thought: Even more troubling is the severity of the Chinese cases. If the research is right, that means over million Chinese children suffer from poor vision. Most spend lots of time outdoors.
A "bright light classroom" in China is equipped with translucent ceilings and surrounded by floor-to-ceiling windows that increase students' exposure to natural light. Perhaps infants and preschoolers should be left out -- but then again, the official statistic also excludes students attending secondary school. The enviromental cause to high levels of myopia is living and working in artificial light. Other kids would pull their eyes back to the narrowest possible position and stick their tongues out at the Asian kids. In China, students have been mandated by its education ministry to perform daily eye exercises.