Question

8. What is the first stage of nutritional blindness?
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Answer 1

Answer:Nyctalopia (night blindness)

Explanation:

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. The three forms of vitamin A include retinols, beta-carotenes, and provitamin A carotenoids.

Answer 2

Night Blindness
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