1. The normal value of children's vision
Parents should clearly understand, "the normal value of children's vision"
- The lower limit of the normal value of vision for children aged 3 to 5 years is 0.5;
- The lower limit of the normal value of vision for children over 6 years old is 0.7;
- Children’s vision can reach 1.0 after 7 years of age.
2. Early symptoms of myopia in children
- Like to squint to see something.
- Seeing things too close.
- often rub their eyes.
- Blink frequently.
- Often tilt your head or squint at things.
- Frequently frowns.
- Frequent pulling of the corners of the eyes.
3. How should parents teach their children?
- Reading in good light. If strong sunlight shines directly on the desk through the window, draw thin curtains when writing.
- Watch TV should turn on the lights, keep any TV distance at least 3 meters.
- When using a computer, the distance between the screen and the eyes should not be less than 50 cm.
- When writing, the light should come in from the upper left.
- It is not advisable to read or write for more than 40 minutes at a time; to watch the computer and TV should not exceed 30 minutes.
- Correct bad reading and writing habits. Don't read in bed; don't read on the swaying bus or subway.
- Ensure the right amount of time for outdoor activities.
The End.
Thanks for your attention.
