Chapter 49: The Eye: I. Optics of Vision

Chapter 49: The Eye: I. Optics of Vision

Complete Chapter Questions With Answers

Sample Questions Are Posted Below

1. Most of the refractive power of the eye is located in which of the following structures?
2. The iris
3. The lens
4. The retina
5. The cornea

ANS: D

2. Accommodation for near vision (focusing on an object close at hand) requires which of the following?
3. Constriction of the pupil of the eye
4. Dilation of the pupil of the eye
5. Causing the lens of the eye to have more curvature (making it fatter)
6. Causing the lens of the eye to have less curvature (making it thinner)

ANS: C

3. Accommodation will not occur if which of the following nerves is damaged?
4. The facial nerve
5. The vagus nerve
6. The oculomotor nerve
7. The glossopharyngeal nerve

ANS: C

4. Which of the following refractive problems most closely resembles presbyopia?
5. Myopia
6. Astigmatism
7. Hyperopia
8. Cataracts

ANS: C