Which of the following conditions is caused by vitamin A deficiency
A) poor night vision
B) astigmatism
C) presbyopia
D) colour blindness
Correct Answer:
Verified
Q45: What is the sequence of retinal processing
A)rods
Q46: Which activity occurs in the presence of
Q47: Why do cones have higher acuity than
Q48: Which of these statements describes the retina
A)It
Q49: Which statement describes rhodopsin
A)It is the photopigment
Q51: Which of these statements applies to colour
Q52: Which of the following does NOT occur
Q53: Which of these statements describes what must
Q54: Which statement describes rods
A)They are less sensitive
Q55: What are the three types of cones
A)black,
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