Second, children's vision development.
Generally speaking, with the continuous development of children's body and intelligence, their eyesight is gradually improved. 4-year-old children's vision is 0.4-0.6; The visual acuity of 5-year-old children is 0.6-0.8; In preschool, normal vision can basically reach 1.0. What needs to be clear is that some children's vision is slightly lower than the same age level, but the diopter is in the normal range. With the growth of age, their vision will reach normal, and the development of visual function is a bit slow; Some children have problems with diopter, and it is difficult for them to reach the normal level in the future. Therefore, when you find that your child's vision is lower than the normal range, you should go to the hospital for consultation and treatment in time.
3. Under what circumstances do children need to wear glasses?
Children with amblyopia, that is, children whose corrected vision cannot reach the normal range, should have glasses as soon as possible, which is beneficial to the treatment of amblyopia and the development of visual function. The development of visual function is mainly in childhood, especially in 5-6 years old. /kloc-After 0/2 years old, it is difficult to return to normal visual function.
Some children with strabismus should also get glasses as early as possible and try to correct strabismus through the optical principle of glasses. Some children can correct strabismus through glasses. For children who still have no effect after wearing glasses for a period of time, surgical correction can be considered.
Children whose corrected vision can reach the normal range need to decide whether to wear it according to their eyes, and children who affect their study, fatigue or look askew need to wear it.
Wearing glasses is actually a means of prevention and treatment. Parents should follow the doctor's advice and don't have to worry about it, which is good for the treatment of children's myopia.
Preschool (3 ~ 6 years old): Not suitable for long-term eye use.
Fourth, ways to protect your eyesight:
1. Don't let your eyes get too tired: this period is a critical period for your eyes to strive for structural and functional plasticity in a certain range. In today's increasingly competitive society, parents want their children to master more skills, so many children began to learn computers and pianos during this period. However, children's eyes are still in an imperfect and unstable stage. Using eyes at close range for a long time will lead to the decrease of children's vision and myopia. Therefore, children's visual development must not be taken into account in early education. Special attention should be paid to limiting children's close working hours, generally not more than 30 minutes at a time. You can often take your child to the distance and guide him to identify distant targets, which will help relax the eye muscles and prevent myopia.
2. Monitor the development of vision as soon as possible: With the help of adults, children in this period can quickly master the international standard visual acuity chart or logarithmic visual acuity chart to check their vision, so they should start monitoring their vision as soon as possible. In particular, it is necessary to check the vision of both eyes separately in order to find the vision abnormality of one eye. Because one eye with poor eyesight often loses the opportunity to use it and develops into amblyopia, even if proper corrective glasses are worn, the vision is still abnormal, which affects children's visual function, especially stereoscopic vision. Amblyopia can be caused by ametropia (hyperopia, myopia, astigmatism) and strabismus. The earlier the treatment, the better the effect. It is generally believed that the best time for treatment is before the age of 6. Therefore, early detection of amblyopia is particularly important. General vision examination should be done every 3 ~ 6 months, and any abnormality should be corrected in time. Conditional children can undergo 1 mydriatic optometry at this stage, thus effectively predicting the changes of children's eye development and refractive development.
3. Prevention of infectious eye diseases: During this period, we should continue to pay attention to various health care contents in early childhood. At the same time, due to the increase of children's contact with the outside world, the probability of children suffering from infectious eye diseases has increased significantly. Such as trachoma, in the past a long time, the popularity of sociality has been greatly reduced, but it has increased in recent years. This is especially common among children living in groups and children who often go swimming in public swimming pools. Iron pen, commonly known as eye of a needle, is an acute purulent inflammation of eyelid. Some children appear repeatedly. Parents and family members should pay attention to their children's overall nutrition, eat more fruits and vegetables, and keep their stools unobstructed. Common conjunctivitis is also very common, which is caused by infection. Therefore, children should also pay attention to the isolation in the family when they are sick. Children should have their own towels and washbasins, and parents should also pay attention to washing their hands before and after giving their children eye drops to avoid spreading eye diseases in the family. Teach children not to rub their eyes with their hands.