It is caused by the deficiency of vitamin A, affects the rod cells of the retina. This leads to poor adaptation of eyes to dim or night light causing night blindness. The cornea and the conjunctiva also become dry. This condition is called xerophthalmia . Severe deficiency results inkeratomalacia in which ulcers develop on cornea, leading to blindness.
Vitamin deficiency anemia
Vitamin deficiency anemia is a lack of healthy red blood cells caused by lower than normal amounts of certain vitamins. Vitamins linked to vitamin deficiency anemia include folate, vitamin B-12 and vitamin C. Vitamin deficiency anemia can occur if you don’t eat enough folate, vitamin B-12 or vitamin C. Or vitamin deficiency anemia can occur if your body has trouble absorbing or processing these vitamins.
Not all anemias are caused by a vitamin deficiency. Other causes include iron deficiency and certain blood diseases. That’s why it’s important to have your doctor diagnose and treat your anemia. Vitamin deficiency anemia can usually be corrected with vitamin supplements and changes to your diet.
Vitamin deficiency anemia occurs when your body doesn’t have enough of the vitamins needed to produce adequate numbers of healthy red blood cells. Red blood cells carry oxygen from your lungs throughout your body. If your diet is lacking in certain vitamins, vitamin deficiency anemia can develop. Or vitamin deficiency anemia may develop because your body can’t properly absorb the nutrients from the foods you eat.
Vitamin C deficiency anemia.
Vitamin C deficiency can develop if you don’t get enough vitamin C from the foods you eat. Vitamin C deficiency is also possible if something impairs your ability to absorb vitamin C from food. For instance, smoking impairs your body’s ability to absorb vitamin C.
Immediately on diagnosis, an oral dose of 200,000 IU of oil miscible vitamin A should be given to children in the age group of 1-6 years. In the case of those with persistent vomiting and diarrhoea an intramuscularly injection of 1,00,000 IU of water miscible vitamin A can be substituted for the oral dose.
This is followed by another dose of 2,00,000 IU one to four weeks later. In the case of infants and children weighing less than 8 kg, the schedule may be followed using half the dose of vitamin A. Acute corneal lesions should be considered as medical emergency and should be referred to the nearest hospital for treatment of the general condition in addition to the treatment of the eye disease.
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