Extraocular rectus paralysis?

summary

The oculomotor (Ⅲ), trochlear (Ⅳ) and abductor (Ⅵ) cranial nerves are the motor nerves that control the eyeball muscles. Head injury can affect the extraocular muscles and the Ⅲ, Ⅳ and Ⅵ cranial nerves and cause various forms of ophthalmoplegia. When the nerve is damaged, eye movement disorder (ophthalmoplegia) and abnormal pupil dilation and contraction function occur. The damage of oculomotor nerve can be divided into peripheral type, nuclear type and supranuclear type. Extraocular rectus paralysis? Let's talk about it

Extraocular rectus paralysis?

The peripheral lesions were limited eye movement, strabismus and diplopia. When the oculomotor nerve was completely paralyzed, ptosis, exotropia, pupil dilation, light response and regulatory response disappeared. Exotropia is caused by paralysis of medial rectus and loss of antagonism of lateral rectus. The affected eye could not move upward, downward or inward, but could still move outward and downward slightly because the superior oblique muscle was normal.

Mydriasis is caused by mydriasis fiber paralysis. Because of the paralysis of ciliary muscle, the accommodation of lens is obstructed, resulting in blurred myopia. Oculomotor and trochlear palsy are mostly bilateral, but often asymmetric.

Most of them were accompanied by adjacent tissue damage, such as oculomotor nucleus damage, most of them were accompanied by medial longitudinal tract damage, paralysis of internal and external muscles and movement disorder of both eyes; When the abducens nucleus is damaged, it is often associated with facial and facial nerve injury

matters needing attention

Usually pay attention to rest and nutrition, eat more fresh fruits and vegetables, early diagnosis and symptomatic treatment, can take Mecobalamin tablets and v-b1 Dibazol treatment. Also pay attention to keep the spirit happy, enough sleep time; Attention should be paid to diet, which can not only enhance the physique, but also enhance the disease resistance.