Chicken blindness – causes, symptoms and treatment


Chicken blindness – causes, symptoms and treatment

If a person notes that his vision has started to deteriorate and in the evening he has become worse, he needs to turn to an ophthalmologist.

The first examination that the doctor will appoint is a visometry. It will allow you to assess the degree of visual acuity. With chicken blindness, most often this parameter is maintained within the physiological norm.

Finding narrowing of the fields of vision and violation of the phenomenon of Purkinje allows such a study as achromatic and color perimetry.

If the patient develops essential night blindness, the doctor will not detect any pathological changes on the fundus. If the disease is a consequence of other disorders, the changes in the fundus will have specificity of the underlying pathology.

If the patient is diagnosed with congenital night blindness, the retina will be covered with small foci of degeneration. These foci are round in shape.

To assess the possibility of dark adaptation of the eyes, it is necessary to send the patient to adaptometry.

Other studies that can help clarify the diagnosis include:

  • Electroretinography

  • Tonography

  • Optical coherence tomography.

  • Biomicroscopy. If necessary, the patient may be referred for consultation to a gastroenterologist or endocrinologist.

    Treatment of night blindness

    Hereditary form of the disease is incurable. The visual acuity in the twilight in a person will be reduced, regardless of the activities carried out.

    When the disease was acquired over the course of one’s life, it is necessary to establish a factor provoking a night blindness. Only after this will it be possible to select the optimal treatment regimen.

    If night blindness is a result of myopia, the patient will need to wear glasses. They are selected depending on the particular person’s vision. Glasses can be replaced with contact lenses. According to the indications, laser vision correction, scleroplasty, lens replacement surgery, etc. can be performed.

    In case of chicken blindness, provoked by cataract or glaucoma, the patient is shown a surgical intervention. It can be phacoemulsification of cataract, antiglaucomatous operation, extraction of cataract.

    Laser coagulation is prescribed for patients with retinal detachment.

    The essential form of the disease is well treatable. The patient is obliged to make an individual meal plan. The menu will include foods rich in carotene and retinol.

    These products include:

    • Butter

    • Cod liver

    • Cheese and milk.

    • Chicken eggs.

    • Tomatoes and spinach.

    • Carrot. Video: The Importance of Vitamin A in Chicken Blindness:

      The patient is being treated with eye drops enriched with a vitamin component. It is necessary to additionally take vitamin A, riboflavin, nicotinic acid.

      Patients with diabetes should receive sugarozhigajushchie preparations, or insulin injections for the control of a level of a glucose in a blood. Patients with abnormalities in the work of the digestive tract are prescribed appropriate treatment.

      As for the prognosis for recovery, it completely depends on which pathology has led to the deterioration of twilight vision. Perhaps, as a complete recovery, as well as complete blindness. In most cases, all the same, you can get rid of night blindness.

      Complications of the disease include the formation of phobias and fear of darkness. In the future, this can provoke a mental disorder.

      Video: simple ways to improve night vision:

      h2 Prevention of night blindness

      Preventive measures can be as follows:

      • The person should eat properly so that his body does not need any vitamins and trace elements.

      • When you are in the sun, you need to use sunglasses.

      • Be sure to protect the eyes with special means, if a person works in an environment of harmful radiation.

      • In the presence of eye diseases, it is necessary to contact the ophthalmologist in a timely manner. If the patient is diagnosed with night blindness, then he should not use fluorescent lamps to illuminate the room.


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