Which of the following is the earliest clinical sign of Vit A deficiency?
Correct Answer: Conjunctival xerosis
Description: The ocular manifestation of Vit A deficiency includes night blindness, conjunctival xerosis, Bitot's spot, corneal xerosis and keratomalacia. Extra ocular manifestation of Vit A deficiency includes follicular hyperkeratosis, anorexia and growth retardation. Ref: Park, 21st Edition, Page 568.
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