Nyctalopia (night-blindness) is caused by the deficiency of which vitamin?

Correct answer: Vitamin A

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What people think about it: 3 Comments

Kiwozzie

Love this quiz, I keep on learning new things!

Tanya

Kiwozzie, So do I, Kiwozzie

ChewyGazelle68623

I have this problem and now I have a name for it!! THANX!!