The main reason in myopia

The degree of myopia into mild (-3.00 D below), moderate (-3.00 D - 6.00D), high (-6.00 D above), the causes of myopia is not entirely clear, the following factors may be relevant .
1, genetic factors: a high degree of myopia may be autosomal recessive genetic, but also reports for autosomal dominant inheritance, in the low myopia than genetic factors, environmental factors and to the role of the main.

See More......