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(D) Vitamin $A$ (Retinol) is essential for the synthesis of rhodopsin,a pigment found in the rod cells of the retina that is responsible for vision in

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(D) Vitamin $A$ (Retinol) is essential for the synthesis of rhodopsin,a pigment found in the rod cells of the retina that is responsible for vision in low light. $1$. Deficiency of Vitamin $A$ leads to night blindness (nyctalopia),which is the inability to see clearly in dim light. $2$. It also causes xerophthalmia,which involves the drying and keratinization of the cornea and conjunctiva due to the loss of mucus-secreting goblet cells. Therefore,all the mentioned conditions are associated with Vitamin $A$ deficiency.

What conditions arise due to the deficiency of Vitamin $A$?

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