Nightmanship

Nightmanship's disease overview

What is

What is night blindness?

Epidemic blindness , sometimes called night blindness, is a common way of calling for macular degeneration. Gatesthe blinds are characterized by vision loss, narrowing vision at night or in darkness, places where light is incomplete. Eye examination can be seen that bone cell pigments in the retina. The disease causes serious effects on the daily life and work of the patient.

Causes of Nightmanship's disease

Eye diseases: nearsightedness, glaucoma (glaucoma), cataracts, retinitis, Usher syndrome (hearing loss and vision Due to genetics), ... are eye diseases that can cause night blindness in patients.

Systemic diseases: Some other diseases in the body increase the risk of night blindness, such as diabetes, keratoconus disease, ...

Medications: Pressure hyperglycemic drugs can be the cause of the closing of the pupils and cause night blindness in the patient.

Nutrition: Vitamin A plays an important role in the transmission of neuromable pulse, and converts into images on the retina. Therefore, vitamin A deficiency is one of the important causes of night blindness.

Symptoms of Nightmanship's disease

What is the night blindness ?

Patients can easily recognize the abnormalities of vision with poor vision in the dark, such as when going outdoors at night, the dark home has not turned on the lights, ... .

In addition, a very common symptom in the night blindness is not adjusted vision in time when moving from the light to the dark. Sometimes, patients can reduce vision even in adequate lighting conditions.

Doctors often do not detect abnormalities when examining outside the eyes, unless the patient has cataracts in the late stage of the disease. Soi bottom can be detected that the retina artery is shrunk, the bone cell pigments in the peripheral retina, the visual disc, or can see the follicle shape.

Market (the visible area of the eye) can be narrowed, more severe that can lead to the tubular market, which is seriously narrowed, the market is narrowed, the disease Nhan seemed to look through a tube. It may also be a symptom that is called a point, that is, in the market of patients there are small areas that are not visible, if the point is increasingly spreading, it proves that the condition is progressing heavily. .

People at risk for Nightmanship's disease

OLIES FOR OLD in the elderly, because they are at high risk of cataracts.

The deficiency of vitamin A is also a risk factor for the disease. Children under 3 years of age or malnourished children, if not providing enough vitamin A in the diet can lead to blindness. Or in patients with pancreatic impairment, there is also a risk of vitamin A deficiency due to the disorder of fat absorption, which is not absorbed.

Hypermagia in diabetes patients can cause eye complications, so it is also a risk factor for night blindness.

Prevention of Nightmanship's disease

Vitamin A plays a very important role in preventing night blindness. A diet that provides adequate vitamin A and essential minerals can help repel night blindness. Orange -red foods such as tomatoes, carrots, pumpkin, mango, ...; Or dark green leafy vegetables, spinach, ... are nutritious sources rich in vitamin A.

For those at risk of vitamin A deficiency such as pregnant women, no breastfeeding, ... it is necessary to be added vitamin A to be able to prevent symptoms of night blindness. Taking children to drink vitamin A periodically (according to the National Blind Prevention Program) is an essential work for children to have healthy eyes.

For people with congenital or genetic blindness:

Need to follow the doctor's treatment so that it can limit the bad progress of the disease. When there are abnormal signs, you need to see a doctor immediately. Regular examination to check the condition of the disease as well as the changes in treatment.

Practice adaptation and move in night blindness.

Limit driving at night to avoid danger to yourself and others.

Diagnostic measures for Nightmanship's disease

Diagnosis

Clinical examination : The doctor will collect symptoms, history, history of the patient and conduct physical examination to have The blindness orientation, thereby indicating some appropriate subclinical to help diagnose the disease.

Market examination : is one of the first tests to do when suspecting blindness.

Power retinal examination : Allow assessment of retinal degeneration of the eye, including determining the type of damaged retinal cells, Genetic, serious, ... This is the most important test in the diagnosis of night blindness in patients to visit because of the poor vision in the dark.

Other tests : Blood tests, basic metabolic checks can also be helpful in diagnosing disease. Distinguished diagnosis

blindness needs to be diagnosed distinguished from infectious diseases, inflammation, retinal blood vessels, so that it can be properly indicated. for patients. Confusion in diagnosis leaves the consequences for patients.

Nightmanship's disease treatments

night blindness and treatment

Need to explain to the night blind patients about the characteristics of the disease as well as the treatment plan, so that they can understand and follow the doctor's treatment regimen.

The treatment of night blindness depends greatly on the cause of the disease. If night blindness is a consequence of myopia, cataracts or vitamin A deficiency, then night blindness can be overcome by treating the cause of the disease. If the night blindness is congenital or genetic related, the current treatment is still difficult, mainly treating symptoms and repelling the progression of the disease.

For myopia blindness: the patient's vision may be improved by wearing close glasses (eye glasses or contact lenses), including daytime vision or At night.

For night blindness due to cataracts: Surgery to replace lens significantly improves vision as well as the treatment of night blindness in cataract patients.

For night blindness due to vitamin A deficiency: Patients need to be supplemented with vitamin A in accordance with the doctor's instructions, the dosage of vitamin A can be 15,000 applications/oral day. However, it is necessary to strictly follow the doctor's treatment, because vitamin A overdose may have certain side effects.

For genetics causing night blindness: Patients can only be treated symptoms and prevent the progression of the disease. In addition, pre -marital advice or screening in risk objects is also essential. Currently, many experiments such as microchip transplant surgery on the retina, healing stem cell implant into the retina are being conducted in the hope of finding a treatment for improving retinal function in nightmanship patients.

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