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Pre-Lab Questions
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1
As a person ages, the elasticity of the lens
A)decreases.
B)increases.
C)remains unchanged.
D)improves.
2
Visual acuity is measured using a
A)metric ruler.
B)pen flashlight.
C)Snellen eye chart.
D)astigmatism chart.
3
Color blindness is characteristic in ______ of males.
A)0 %
B)0.4 %
C)7 %
D)10 %
4
The blind spot is located at the _________ of the eye.
A)pupil
B)vitreous humor
C)aqueous humor
D)optic disc
5
Astigmatism is a result from a defect in the
A)control of the pupil size.
B)curvature of the cornea or lens.
C)rods of the retina.
D)cones of the retina.
6
Only males can inherit the color blindness condition.
A)True
B)False
7
Nearsightedness is also called myopia.
A)True
B)False
8
A convex lens can be used to correct hyperopia.
A)True
B)False





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