Strabismus refers to the situation that the axis of vision of the two eyes is not correct, and there are inward, outward, or up and down.
When a normal person looks directly in front of him, his eyes should be in place and kept parallel. We often see patients with strabismus in our daily lives, and strabismus is more common in children, so many people want to briefly understand the causes of strabismus. The following small series for everyone to answer one by one. There are mainly the following points:
1. Innervation factors
In order to maintain optimal coordination of eye movements, the nerve centers, nerve nuclei, nerves and extraocular muscles that innervate eye movements must be in a normal state. If there is an abnormality in innervation, then there will be an obstruction in the rotation of the eye, and the eye will be deflected.
2. Anatomical factors
Most are due to congenital abnormalities in the position and development of extraocular muscles. Especially in childhood, the fusion function is developing, not yet mature, in a fragile, vulnerable stage, once the fusion function is disordered, it is prone to strabismus.
3. Refractive factors
Insufficient refractive correction or long-term abandonment of refractive correction glasses can easily cause skewed eye position.
4. Genetic factors
Strabismus is a certain genetic factor, in the process of about surgery we can often meet children and parents, brothers and sisters together about strabismus surgery.
5. Regulatory factors
Because children's eyeballs are small, the eye axis is short, most of them are farsighted, and the ciliary muscle contraction of children is strong, that is, the adjustment is strong. For example, many children need more adjustment to see objects clearly, and at the same time, the eyes also rotate inward with force, which is prone to esotropia.