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2004 Series - September 21, 2004
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Lecture 15 of 50 NEXT»
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To see views enlarged, click on the individual pictures...
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the girl is looking straight ahead
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the girl is looking
"straight ahead" |
the posterior pole
of the right eye |
| This 9-year-old girl is brought in by her family who are troubled by the deviation of the right eye which they say looks up and in. There has been no prior surgery, illness, or known eye disease. The girl's birth weight was 7 pounds, born at term, and she is in good health. Visual acuity is OD 20/60 and OS 20/20. Refraction is OD plano – 2.50 axis 30 and OS + 1.50 sphere. |
| 1. |
Which statement best describes the alignment in primary position? |
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| a. |
aligned |
| b. |
hypertropia |
| c. |
right eso-deviation and right hyper-deviation |
| d. |
right inferior oblique overaction |
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| 2. |
With the left eye occluded, the right eye takes up fixation as shown. Noting this behavior and the patient's appearance in the primary position, which of the following statements is most likely to be true? |
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| a. |
There would be no or little shift when cover testing is carried out in the primary position. |
| b. |
The girl would see double with the second image deviated up and to the left. |
| c. |
The girl would see double and the images would be about equal in clarity. |
| d. |
none of the above |
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| 3. |
Based on the appearance of the posterior pole of the right eye, the best answer would be: |
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| a. |
The macula could be ectopic. |
| b. |
This is retinopathy of prematurity in spite of the birth weight. |
| c. |
Coats disease has caused this distortion of the retina. |
| d. |
none of the above |
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For answers to the above, click here:
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