How myopia is caused?

The causes of myopia include internal and external causes.

How myopia is caused?
  1. Internal cause

The internal factors include genetic factors and developmental factors. Genetic factors refer to chromosome recessive inheritance of high myopia, and myopia has genetic tendency; developmental factors refer to the development of eyeballs in infancy, which will lead to myopia.

  1. External causes

The external factors are mainly environmental factors, such as long-term close reading, insufficient lighting, too close reading distance, too long reading time, unclear or too small font, bad reading posture or riding in the car, premature and long-term use of electronic products.

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