Vitamin A deficiency is one of the most common vitamin deficiency syndrome.
It is fat soluble vitamin.
It is common cause of blindness.
Clinical features :-
A. OCULAR FEATURES :-
- Night blindness.
- Corneal ulceration.
B. EXTRAOCULAR FEATURES :-
- Hyperkeratotic skin lesions
- Growth retardation
- Decreased SalivarySecretion.
- Hyperplastic gingiva.
- Periodontal disease.
- Defective formation of enamel in teeth
A. Consumption of vitamin A–rich foods, such as liver, beef, chicken, eggs, fortified milk, carrots, mangoes, sweet potatoes, and leafy green vegetables.
B. Daily oral usage as supplements are as follows :-
- Children aged 3 years or younger – 600 mcg (2000 IU)
- Children aged 4-8 years – 900 mcg (3000 IU)
- Children aged 9-13 years – 1700 mcg (5665 IU)
- Children aged 14-18 years – 2800 mcg (9335 IU)
- All adults – 3000 mcg (10,000 IU)
Consumption of multivitamins as supplements.
Image :- Google
Writing :- notes made from mastering bds , Dr S N chugh and Sanjay Kumar Purkait books