I. Symptoms and clinical manifestations of myopia
( 1)
Vision loss: myopia and hyperopia are blurred, it is difficult to identify distant targets, and they like to squint. Children because of watching
It is far from clear that most people don't like outdoor activities.
But interested in reading, painting and other indoor activities,
This in turn encourages myopia.
The development of. Myopic myopia is generally better,
Close-up vision is clearer, while pathological myopia is not only blurred from a distance,
It doesn't look good up close.
Safe.
(2)
Visual fatigue: due to unclear vision, short reading distance, imbalance between adjustment and collection, excessive collection and other reasons.
(3)
Phantom of floater: refers to the shadow fluttering in front of the eyes when the eyes move. More common in moderate myopia, due to
Caused by vitreous opacity.
(4)
Visual distortion: common complications such as pathological myopia or retinal detachment.
(5)
Flash: It is a common sign of pathological myopia or retinal detachment.
(6)
Exophthalmos: High myopia is a slight exophthalmos caused by long uranium in the eye.
Second,
how
Prevention of myopia
1
The eye of science:
1
Pay attention to three ones when reading and writing, one foot off the book, one punch off the table and one hand off the pen tip.
Rarely/last name
; 2
Don't look while walking or riding a bike.
; three
Don't lie down or look on your stomach.
; four
strike a proper balance between work and rest
,
Don't spend too much time looking at your eyes.
,
Mei Ying
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50
Take a rest in about 10 minutes.
10
Minutes.
2
Pay attention to eye hygiene:
1
Don't read and write at close range for a long time, watch TV, play video games and surf the Internet.
; 2
, no
To read and write when the light is too strong and weak, it is recommended to use a desk lamp for lighting.
40W
Incandescent light bulbs and desk lamps should be placed one foot in front of the left.
Correct distance
indoor lighting
40W
Fluorescent lamps should be kept away from the desktop.
1
four
rice
; three
Watch TV moderately, and adjust your eyes to the TV.
Angle line
six
Look beyond the times, generally.
40
Take a break for a minute.
10
minute
According to relevant data, play less video games and computers.
Their harm is television.
five
Time magazine.
three
Strengthen exercise: students are
study
In the stage, due to long-term close-up use of eyes, in order to eliminate visual fatigue, we should always look farther and farther.
Take part in sports activities to enhance physical fitness.
four
Ensure adequate sleep.
Ensuring adequate sleep time is an important factor to eliminate fatigue and restore work ability. because
Because the eyes are in a state of sleep, muscles are the most relaxed, fatigue is the easiest to eliminate, and it is also essential to ensure good health.
At the same time,
The increase of endocrine hormones during sleep is also very important for the growth and development of children and adolescents. So, parents and teachers
Everyone should pay attention to students' sleep and ensure that students have enough rest time.