As a parent, do you really know how to help children prevent myopia?

Abstract: the incidence of myopia remains high and is becoming younger and younger, which makes the original clear and beautiful world blurred in the eyes of many teenagers and children, the original colorful world looks pale, and the relaxed and happy life becomes heavy and boring. Therefore, the responsibility of saving the eyes of teenagers and children is becoming more and more important., The eye is the window of the soul and the gift given by nature to mankind. 80% – 90% of people receive external information through the eyes, and transmit visual information to the brain through neural pathways. The visual information from both eyes is comprehensively analyzed and processed in the visual center to produce vision. So that we can see the magical and wonderful world, know the ever-changing things, learn rich knowledge and enjoy a happy life., The incidence of myopia remains high and is getting younger and younger, which makes the original clear and beautiful world blurred in the eyes of many teenagers and children, the original colorful world looks pale, and the relaxed and happy life becomes heavy and boring. Therefore, the responsibility of saving the eyes of teenagers and children is becoming more and more important.,   1. The scientific understanding of myopia, refractive error, its essence is that the refractive power formed by various optical components of the intraocular refractive system does not adapt to and match the front and rear axis length of the eyeball. The development of vision is age-related. At birth, the baby’s eye is “short eye”, that is, the eye axis is short, so it is a physiological hyperopia eye, which is about + 3 Ood hyperopia. As the ocular axis grows slowly, the degree of hyperopia decreases slowly, which is a necessary process of normal development. If 4-6-year-old children have hyperopia degree ≤ + l.ood, they are likely to develop axial myopia in the future., Myopia, as the name suggests, can see near clearly, but can’t see far clearly. Myopia as a type of ametropia, the most common factor is the long axis of the eye, which is called axial myopia. In terms of the optical composition of the eyeball, the length of the ocular axis is the most important component, which is also easy to change. Especially in the plastic period of preschool children’s visual development, the eye tissue, like the nerve tissue, also has plasticity. If the child’s eyeball is overdeveloped, and the ultra long eye axis does not match the eye’s refractive power, when the adjustment of the eye is in a dry and static state, the parallel light from a distance can only focus in front of the retina after being bent by the refractive system, so it will show an unclear image in the retina, and the far vision will decline, that is, myopia. From the optical principle, there are two reasons for myopia: one is that the anterior and posterior axis of the eye is too long, and the other is that the refractive power of the refractive system of the eye is too strong. Most of the myopia we see everyday is axial myopia., Axial myopia can be divided into two categories: simple myopia, accounting for the majority; Except for slight changes in the ocular axis, the tissue structure of the eyeball was normal; Low or moderate myopia; The overgrowth is very slow and basically stable after the age of 20. Children due to various bad eye habits, from continuous contraction of ciliary muscle to myopia, belong to this type. Pathological myopia, also known as high myopia. The degree of myopia is higher than – 6 Above ood; The degree increases with age; The length of ocular axis was obviously not matched with refractive power; The ocular tissue was accompanied by myopic pathological changes; Visual acuity decreased significantly, and near vision was also poor. It should be emphasized that from the perspective of correction theory, wearing a pair of frame glasses for simple myopia only complements the degree required for all refractive power, so as to match the refractive power with the eye axis, so as to correct vision, but it does not involve the prevention of myopia in children’s development. Wearing glasses can improve your eyesight, but if you still don’t pay attention to eye hygiene and make great efforts in prevention, the degree of myopia will continue to deepen year by year., Vision loss for any reason has a much greater impact on children than adults and can not be ignored. The usual approach is: if the child’s vision drops, first ask the ophthalmologist to find out the causes, eliminate the organic diseases in the eyes, orbit, intracranial and brain, and then further clarify whether it is false myopia or true myopia. “Pseudomyopia” is due to poor eye habits, which makes the ciliary muscle, the muscle responsible for regulation in the eye, continuously tense, and the regulation can not be relaxed when looking far away. Although pseudomyopia is also a decline in far vision, it is not myopia. It can occur not only in emmetropia, but also in mild myopia and even mild hyperopia. If the continuous tension of ciliary muscle can not be relieved, it will constitute a risk factor for the development of true myopia. Therefore, for children with decreased vision, ophthalmologists must first clarify the existence of pseudomyopia, that is, retinoscopy and strabismus under complete ciliary muscle paralysis. If it is pseudomyopia, you must not wear myopia glasses to correct your vision. If you adhere to multidimensional vision training, your vision will recover ideally and avoid developing towards true myopia. The prerequisite for all the above is to use eyes scientifically and pay attention to eye hygiene. If you are really short-sighted and the degree is very low, don’t be busy.

eyes are the window of the soul and the gift given by nature to mankind. 80% – 90% of people receive external information through the eyes, and transmit visual information to the brain through neural pathways. The visual information from both eyes is comprehensively analyzed and processed in the visual center to produce vision. So that we can see the magical and wonderful world, know the ever-changing things, learn rich knowledge and enjoy a happy life. The incidence of myopia of

and

remains high and is getting younger, which makes the original clear and beautiful world blurred in the eyes of many teenagers and children, the original colorful world looks pale, and the relaxed and happy life becomes heavy and boring. Therefore, the responsibility of saving the eyes of teenagers and children is becoming more and more important.

  1. The essence of

and

refractive error is that the refractive power formed by various optical components of the intraocular refractive system does not adapt to and match the anterior and posterior axis length of the eyeball. The development of vision is age-related. At birth, the baby’s eye is “short eye”, that is, the eye axis is short, so it is a physiological hyperopia eye, which is about + 3 Ood hyperopia. As the ocular axis grows slowly, the degree of hyperopia decreases slowly, which is a necessary process of normal development. If 4-6-year-old children have hyperopia degree ≤ + l.ood, they are likely to develop axial myopia in the future.

myopia, as the name suggests, can see near clearly, but can’t see far clearly. Myopia as a type of ametropia, the most common factor is the long axis of the eye, which is called axis。 It should be noted that the purpose of optometry is not only to wear glasses, but also to know your myopia and carry out corresponding visual training or other myopia prevention and control measures accordingly.