What are the symptoms before blindness

summary

We all know about blindness. Many people are caused by genetic factors or different environmental factors in the process of embryonic development. Here, children have no visual experience, so they almost have no visual imagination. According to relevant studies, 56.3% of the children with visual disability aged 0 to 14 are congenital blindness. So what are the symptoms of blindness? Here we will analyze the related problems of this disease.

What are the symptoms before blindness

Retinal artery embolism, which is a common cause of blindness in the elderly, its incidence is very fast, often in the case of sudden blindness, the main cause is that patients have arteriosclerosis or heart disease, arteriosclerosis causes arterial wall thickening, thrombosis and affect the blood supply to the eye.

The second is the problem of fundus or vitreous hemorrhage. When the disease occurs, the patient will feel suddenly black in front of his eyes, feel smoke like substances, or feel black or red objects moving, and will be blind in a short time. The cause is hypertension, arteriosclerosis or diabetes. These chronic diseases are the main causes of blindness.

In addition, there is sudden blindness caused by acute neuritis, which is an acute and serious eye disease. Blindness is also very fast. It is caused by inflammation of the optic nerve. There are many causes of optic nerve inflammation, such as long-term sinusitis, gingivitis, influenza or tonsillitis. These diseases can lead to neuroinflammation.

matters needing attention

Some causes of sudden blindness have an important relationship with some other symptoms of patients, such as sudden blindness caused by some chronic diseases, facial inflammation, nerve infection and neuritis, which will lead to blindness easily.