What does vitamin A deficiency cause?
A) poor night vision
B) astigmatism
C) presbyopia
D) colour blindness
Correct Answer:
Verified
Q52: What does NOT occur in a photoreceptor
Q53: Which statement is correct for cones?
A) They
Q54: Why do cones have higher acuity than
Q55: Which statement concerning cones is NOT correct?
A)
Q55: What are the three types of cones
A)black,
Q57: Which activities occur in the presence of
Q58: What condition is caused by uneven curvatures
Q59: Which statement is correct for the optic
Q60: What does the middle layer of the
Q61: In which order does the vibrational stimulus
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