
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.
- Bitot’spot.
- Corneal ulceration.
- Blindness.
- Xerophthalmia


B. EXTRAOCULAR FEATURES :-
- Hyperkeratotic skin lesions
- Anorexia
- Growth retardation
- Decreased SalivarySecretion.
- Hyperplastic gingiva.
- Periodontal disease.
- Defective formation of enamel in teeth


Treatment :-
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.
Reference :-
Image :- Google
Writing :- notes made from mastering bds , Dr S N chugh and Sanjay Kumar Purkait books