subject: Both Genes and environment cause myopia [print this page] Both Genes and environment cause myopia Both Genes and environment cause myopia
Whether myopia is purely genetic or it is the result of tissue alternations influenced by environment factor or not, which arouses many debates among people. Someone believes that it is the environment or life style that causes the myopia but others do not think so. This issue is very complex and there is no concrete evidence to in actuality prove any opinion 100 percent correct. However, personally think, both genes and life style can cause myopia.
As we all know that myopia can be generally classified as mild and extreme myopia. A lot of parents think that myopia has something to do with the genetics. When they were asked that is there some evidence to prove what they think, they have no concrete evidence. So is myopia really involved with developing myopia? The answer is absolutely "yes". It is proven that genes are one of the factors, which causes myopia. A famous professor said there were about 5% people with myopia who were decided by genetic. If the person with myopia genes contained in his body like focusing on close objects, such as computer screen, TV screen or books, he will easily suffer from myopia. So I also think that the life style or environment can influence the myopia.
In our mind, diopter over 6.0 is determined as high myopia. The chance of hereditary of high myopia is much higher that that of mild myopia. If your eyesight is above 800, so about 80% people with myopia are determined by the genes. Generally speaking, the deeper the myopic degree is, the easier the myopia will be inherited. The survey shows the probability of getting myopia determined by genes is over 95% if one's parents are myopia with over 1000
Nowadays, the statistic shows that getting myopia has nothing to do with genes in big cities but with the life style and inappropriate eye protection. So although you have myopia genes, you do not need to worry about that only if you pay much attention to your eye protection.
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