Literally, xerophthalmia means ‘disease of the dry eye’ .The term xerophthalmia refers to all the ocular manifestations of vitamin A deficiency, form night blindness to complete corneal destruction.
Ocular changes due to vit.A deficiency
1. Night blindness.
2. Conjunctival xerosis.
3. Bitot’s spots.
4. Corneal xerosis.
5. Corneal scar:
6. Corneal ulceration/ keratomalacia
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