Myopia of primary school students
summary
My nephew was very cute when he was a child, especially a pair of eyes. But recently, I always said that I couldn't see clearly, especially in class. Now my academic performance has dropped, so I went to the hospital for examination. The doctor said it was myopia. I wear eyes. Many parents attach great importance to the myopia of primary school students. Now I'd like to discuss the topic of myopia of primary school students with you.
Myopia of primary school students
Pupils with myopia should keep correct reading and writing posture: reading and writing, sitting upright, keeping the distance between eyes and books about 33-35 cm (one foot), the distance between chest and table about one fist, the distance between fingers holding pen and NIB about 3 cm (one inch). To develop good eye hygiene habits, continuous close eye time should not be too long, should be controlled in 40-50 minutes.
Genetic factors of myopia in primary school students, especially those with high myopia. Development factors: the curvature of the lens in the eyeball gradually increases with age. If the lens is overdeveloped, the axial length of the eye will gradually lengthen, resulting in myopia. Environmental factors, which is the main cause of many myopia patients.
The myopia rate of primary school students is gradually rising, which is inseparable from the increasingly developed scientific and technological products in today's society. Nowadays, teenagers' myopia is mainly caused by long-term watching TV, surfing the Internet, playing video games and not paying attention to using their eyes. Of course, there are also incorrect posture of reading and writing, books placed close to their eyes, or poor lighting conditions.
matters needing attention
Primary school students myopia precautions 1. Reading computer time is not too long, can look to the distance 2. Reading and writing to keep a certain distance from the desktop, generally about one foot, do not read when walking and riding 3. Learn to relieve visual fatigue, can often do eye exercises, can also prevent myopia 4. Eat more vegetables and fruits, supplement vitamins.