Science, asked by paulnandita1991, 1 year ago

deficiency of vitamin A​

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Answered by anusy2850
4

Answer:

Vitamin A deficiency (VAD) or hypovitaminosis A is a lack of vitamin A in blood and tissues. ... Nyctalopia (night blindness) is one of the first signs of VAD. Xerophthalmia, keratomalacia, and complete blindness can also occur since vitamin A has a major role in phototransduction

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Answered by Anonymous
1

Deficiency of vitamin A causes night blindness (Nyctolopia) & Xeropathalmia.

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