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 :-

1. Night blindness.
2. Bitot’spot.
3. Corneal ulceration.
4. Blindness.
5. Xerophthalmia

B. EXTRAOCULAR FEATURES :-

1. Hyperkeratotic skin lesions
2. Anorexia
3. Growth retardation
4. Decreased SalivarySecretion.
5. Hyperplastic gingiva.                          
6. Periodontal disease.                            
7. 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