People with night blindness (also called impaired dark adaptation) typically see poorly in the darkness but see normally when adequate amounts of light are present.
Symptoms:
May vary on an individual basis for each patient. Symptoms include difficulty seeing when driving in the evening or at night, poor vision in reduced light, Only your doctor can provide adequate diagnosis of any signs or symptoms and whether they are indeed Night blindness symptoms.
Causes:
nutrational cause is (vitamin A deficiency):
Night blindness may be an early sign of vitamin A deficiency. Such a deficiency may result from diets low in animal foods (the main source of vitamin A), such as eggs, dairy products, organ meats, and some fish. Low intake of fruits and vegetables containing beta-carotene (yellow/orange foods) , which the body converts into vitamin A, may also contribute to a vitamin A deficiency.
tratment :
acute vitamine A deficency is treated with large doses of vitamin A given orally .
* Night blindness cஅன் perform from another causes - un nutrational cause like;myopia,Cataracts,Diabetes .. But here we focus on Nutritional காஸ்- .
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