1. Mrs. Alden is a 29-year-old pregnant patient in her third trimester. She tells you that her vision has
been a little blurred, and she thinks she needs to get new contact lenses. You should advise her to:
a. get new lenses as soon as possible to avoid complications.
b. wait until several weeks after delivery to get new lenses.
c. go to the nearest emergency department for evaluation.
d. change her diet to include more yellow vegetables.
ANS: B
Because of the increased level of lysozyme in the tears during pregnancy, a blurred sensation may
occur but will subside several weeks after pregnancy. The blurred vision is a normal occurrence
during pregnancy. It is not an emergency, nor is it diet-dependent.
2. A condition that typically develops by the age of 45 years is:
a. presbyopia. b. hyperopia. c. myopia.
d. astigmatism.
ANS: A
By 45 years of age, a condition known as presbyopia develops; presbyopia involves a weakening of
accommodation. Hyperopia occurs in early infancy. Myopia and astigmatism can occur at any time.
3. Which finding, when seen in the infant, is ominous?
a. Difficulty tracking objects with the eyes
b. Appearing to have better peripheral than central vision
c. Blinking when bright light is directed at the face
d. White pupils on photographs
https://pasinggrades.com/
, ANS: D
The absence of a red reflex, determined by physical examination or the appearance of white pupils on
a photograph, is indicative of retinoblastoma, a serious retinal tumor.
4. Mr. C s is al ac i is 20/50. This means ha he:
a. can see 50% of what the average person sees at 20 feet.
b. has perfect vision when tested at 50 feet.
c. can see 20% of he le ers on he char s 20/50 line.
d. can read letters while standing 20 feet from the chart that the average person could read at
50 feet.
ANS: D
Visual acuity is measured as a fraction, in which the top number is the distance that the patient is
standing from the chart; the bottom number is the distance that an average person can stand and still
read the line.
5. The cri erion for de ermining he adeq ac of a pa ien s is al field is:
a. the ability to discriminate primary colors.
b. the ability to discriminate details.
c. correspondence with the visual field of the examiner.
d. distance vision equal to that of an average person.
ANS: C
The examiner compares his or her own peripheral vision to that of the patient while
performing the confrontation test, so unless the examiner is aware of a problem with his or her own
vision, the examiner could assume that the fields are full if they match.
6. Mrs. S. is a 69-year-old woman who presents for a physical examination. On inspection of her eyes,
you note that the left upper eyelid droops, covering more of the iris than does the right.
This is recorded as: a. exophthalmos on the right.
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