Multiple Choice
Choose from the following:
-Match the iris to the best description below.
A) composed of microscopic glassy fibers that slide over each other
B) a jelly-like substance that fills most of the eye
C) a circular diaphragm
D) relays signals to the brain
E) the central hole
F) a curved transparent tissue where light first enters the eye
G) photosensitive receptor cells of which the retina is composed
H) a light-sensitive surface, upon which the image falls
Correct Answer:

Verified
Correct Answer:
Verified
Q43: "30/40 vision" is a measure of<br>A) visual
Q44: A telescope has an angular magnification of
Q45: The near point of a farsighted person
Q46: If the diameter of a radar dish
Q47: A person gazes at a very distant
Q48: The resolution limit of a circular aperture
Q50: Choose from the following:<br>-Match optic nerve to
Q51: Astigmatism is usually due to<br>A) the cornea
Q52: A nearsighted person has a far point
Q53: Color TV is produced by<br>A) A single