Chicken blindness: the symptoms and causes of the disease in humans

We often hear in everyday life the strange expression "oh, you, night blindness." That is, if a person does not manage to make out anything, they immediately remember the poor bird. But the disease actually exists, and it is connected with the disorder of the organs of vision of a special type, which is expressed in the inability to see in twilight time. Another name for night blindness is hemeralopia. It is an independent disease, but sometimes it precedes some eye diseases and becomes one of the symptoms.

Definition of disease

Determine the onset of the disease is very easy, the person begins to lose sight in partial darkness or in the twilight before the evening. For vision at dusk meets the retina of the eye.This unpleasant sensation, when the orientation in space is lost, the sensitivity to light decreases, the patient adapts poorly in the dark and the field of view is significantly reduced.

By the way a person behaves in incomplete darkness, one can understand without examination that he is sick with hemeralopia. He can stumble upon objects without seeing them, go the wrong way, do not see a ditch or a path if he walks down the street, in a word, night blindness is an extremely unpleasant disease.It can provoke severe bruises when falling and even injuries, so it's very dangerous to walk to such people alone, especially in the evening hours.

The disease can also be acquired, and the inherent nature, in either case, it leads to a deterioration of vision.

Causes

If night blindness has not been inherited since birth, the symptoms usually manifest themselves to the elderly. The most common form is functional niktalopia, it is caused most often by malnutrition, when the body lacks vitamin A.The cause of hemorrhagia, may be renal failure, anemia, exhaustion of the body in a strong stage. The temporary nature of the disease can be triggered by the adoption of certain drugs, for example quinine.

Niktalopia can be accompanied or caused by myopia, cataracts, retinal pigment pathologies, glaucoma.

When the disease is congenital, it begins from the earliest years to declare itself and is manifested vividly and clearly. Its causes lie in various genetic disorders inherited from parents.

Whatever factors the pathology has been provoked by, its main factor is the deficiency of the pigment of rhodopsin in the visual sticks of the retina.

Symptoms

The main and most frequent manifestations of the disease are:

• Gradually decreasing eyesight, most strongly at dusk.
• Painful response to light.
• Partial loss of color perception, most often, patients do not begin to distinguish between blue colors.
• The appearance of incomprehensible spots in the field of view.

At occurrence of the first and obvious signs of disease, it is necessary to address to the ophthalmologist.It is always easier to eliminate the disease in the early stages of development. And remember that the cause of the disease can be another disease, a more complex nature.

Possible complications

Despite the fact that night blindness was declared an independent disease, most often this is a manifestation of completely different serious pathological disorders.Sometimes it takes a long time to identify the cause and treatment of the underlying ailment.

It should be understood that the disease is not always easily treated, for example, with functional or essential hemeralopia, the restoration of vision can be almost completely replenished. To do this, you must follow all the advice of a doctor and do not violate the rules of treatment.

As a rule, the outcome of recovery from the acquired form of the disease depends on the ailment to which it is obliged.Here everything depends on the rapid diagnosis of the main disease and its degree, the correct purpose of treatment and individual characteristics of the body.

Some patients suffer from fear of the dark, and it becomes in some cases an obsession and turns into a serious phobia. In this case, psychotherapists are involved in the treatment of the disease.

To diagnose hemeralopia, you should consult an ophthalmologist, it is this doctor who is able to see all the changes and abnormal disorders in the retina of the eye. With the help of a special apparatus, by the method of electroretinography, a specialist will determine the stage of the disease and see all those deviations that do not allow a person to fully see.

Treatment

Unfortunately, if a person is sick with an innate form, curing the disease is very difficult, almost impossible. It can only be maintained at a certain stage, not allowing to develop into an even more serious stage.

In all other cases, night blindness is successfully treated.Here the main line is getting rid of the symptoms of the main disease, whatever it may be.After successfully combating the main disease, night blindness partially disappears, and the residual phenomena are removed by complex treatment.

Diet

The essential form is well curable, and a healthy diet helps.In the main daily diet of a sick person should include foods that contain a large number of vitamins, especially group A: fresh carrots, yolks, cheese, tomatoes, wheat cereals, butter, liver beef and cod, spinach, berries.

You should eat more fruits and vegetables and nuts. The patient needs in the diet: peaches, pumpkin juice, apricots, green peas, parsley, broccoli, nuts, seeds.

Medication

With such a disorder, like night blindness, Riboflavin drops are prescribed for the eyes. It has a multifunctional action and is based on vitamin B2.Its main task is to saturate the tissues of the eye with oxygen content, to increase the permeability of nerve impulses, which are especially necessary for the retina.Riboflavin mainly performs preventive functions, but it is indicated for such diseases as:

• Chicken blindness.
• Keratitis.
• Conjunctivitis.

The dose of instillation and the duration of the course is prescribed by an ophthalmologist, but usually patients instill the medicine in the morning and in the evening, one drop.

The drug has contraindications, it is the individual immunity of the substance. Negativity of undesirable additional manifestations can be expressed in an allergic reaction, not a prolonged loss visual acuity, so immediately get behind the wheel or operate complex mechanisms after using drops is prohibited.

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Vitamins

It is necessary to saturate the body with vitamins, since the disease is often caused by acute shortages. There is a shortage of medicinal medicines containing vitamin A, as follows:

• Dosage per day for an adult is up to 100 thousand. IU.
• Children - up to 5 thousand. IU.

Other vitamin groups are needed: B2 and PP and C.

Surgically

Hematology is often caused by serious eye diseases such as nearsightedness, glaucoma or cataract. In these cases, often used:

• operative intervention, refractive surgery, correction of the corneal structure and retina.
• Pigmentary dystrophy sometimes involves a transplant method.
• Glaucoma, cataracts are cured by replacing or correcting the lens using laser surgery.

These serious pathological changes with the help of surgical methods can be cured only in clinical stationary conditions. They require a fairly long rehabilitation and the fulfillment of all the rules set by the attending physician.

People's means

To get rid of the night blindness will help people's methods that have been used since ancient times and have a good positive practice, mainly they boil down to the following recommendations:

• Daily intake of fish oil.
• Inclusion in the diet of each day of berries and greens.
• Herbal treatment.

At the last point, we will dwell in more detail, since it is more important as supporting therapy after operations or transplantations on the eye organs, and for the prevention.

Recipes of herbal decoctions:

1. It is necessary to prepare a decoction of dry medicinal raw materials taken in equal parts: primrose, lemon balm, blackberry, blackberry, snake mountaineer.Pour off dicing with boiling water, insist and drink three times a day for half a glass.
2. Millet for sowing in an amount of 1 cup pour two liters of water in an enameled container. Boil until the full rasvarivaniya cereals. There are as needed, at least 1 spoonful a day, this improves vision.

Prevention

All preventive measures are mainly reduced to a healthy lifestyle, and do not have any specific recommendations:

• Correct balanced nutrition with fresh vegetables, fruits, berries.
• Compliance with the regime of the day, rest and sleep for 8 hours.
• Active way of life, playing sports, walking in the fresh air.
• A short stay at the TV screen or computer monitor.
• Wearing sunglasses in a bright summer or winter sun.
• Timely call to the doctor and treatment of the disease.

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conclusions

Remember that the acquired disease sometimes leads to a complete loss of vision, especially in a neglected stage, when the time was not diagnosed and the valuable time was lost. If you take care of yourself and choose the time to visit a specialist during the first symptoms, you can prevent serious eye pathologies, retaining visual acuity and getting rid of such a disease as a chicken blindness. Your health is in your hands, always remember this and do not delay with timely treatment.