night blindness (night-blindness)
night blindness (night-blindness, night blindness, night blindness) - ophthalmological disease, which is reflected in a sharp deterioration of vision in the dark, at night or in the evening.Night blindness differs by symptomatic, essential and inherent
Symptomatic day-blindness can occur as a result of organic diseases of the eye:
- High degree of myopia
- retinitis pigmentosa
- Inflammation of the retina
- Retinal detachment
- Inflammation of the choroid and optic nerve
usually symptomatic day-blindness is accompanied by a change in the visual field and fundus
Essential day-blindness is due to the following factors:
- Long-term exposure to the eyes very bright light
- The lack (or absence) of vitamins A, B2 and C
- Liver Disease
- Unbalanced diet
Congenital day-blindness is even in childhood or adolescence.Its causes are still not completely clear, but it is assumed that the reason for its
In the darkness, dusk, in low light conditions in people suffering from night blindness occurspoor eyesight.However, at the same time under normal illumination, these same people see well enough.
symptoms of the disease begin to appear in early childhood.Kids in poor lighting conditions lose their spatial orientation, no longer distinguish colors and see objects around him.
Diagnosis is based on clinical, laboratory results and personal patient complaints
In this disease a specific role for the preventive measures: the treatment of ophthalmic diseases and concomitant proper balanced diet.Treatment of night blindness primarily aimed at eliminating the disease, which is caused night blindness.
recommended list of products for people with night blindness:
- Rich in vitamin A. Milk, cheese, egg yolks, cod liver oil and butter, carrots, green onions, spinach, and so forth.
- rich in provitamin A. Peaches, apricots, gooseberries, cherries, blueberries and blackberries
Locally attributed to the use of eye drops - 5% solution of melanocyte stimulating hormone - intermedin.Assigned riboflavin in dosage: not more than 0.02 g per day.In addition to food rich in vitamins, are attributed to the special complex of vitamins A, B2, PP and C.
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