what is myopia?what causes myopia?

Some parents ask why we are not myopia, but my child is myopia.

What is myopia?

Myopia is when the light enters the eye and cannot display the image on the retina, but it is presented before the retina.

What causes myopia?

Although the cause of myopia is inconclusive.


Part of the high myopia is due to family inheritance, and the other is due to acquired behaviors (Reading, 3C products, electric toys)that cause myopia.

The main cause of myopia is excessive use of eyes at close distances for a long time.

If the eye is used for a long time, the ciliary muscle will be in a tight state for a long time, and the pressure of the vitreous body of the eyeball will increase, which will eventually cause the eyeball to become longer and the cornea to be more curved.
 The light enters the eye and cannot display the image on the retina, but it is presented before the retina.

Myopia occurs in all parts of the world, but the majority of people with myopia in Asia, especially Taiwan, Hong Kong, and South Korea.
The most likely reason for a large number of myopia in Asian countries is to study for a long time in the entrance examination.

But the number of myopia in Europe and the United States has recently increased.

Bad habits such as
1. Less than 30 cm from the computer screen

2. The distance between eyes and books is less than 30 cm

3. Watch TV continuously, use the computer, play video games for 30 minutes without rest for 10 minutes

4. Use 3C products in low-light places

5. Read or use 3C products while walking, riding, moving

6. Used to lying down, lying on the table reading, writing

Related articles

how to prevent myopia from worsening? 

Near-sightedness-Wikipedia

The myopia boom-nature