Confrontation Perimetry MCQ Quiz | Clinical Skills & Procedures

Welcome to this specialized quiz on Confrontation Perimetry, a fundamental clinical skill for every medical student. This bedside technique is a quick and effective method to screen for visual field defects, providing crucial clues to diagnosing neurological and ophthalmological conditions. This quiz, designed for MBBS students, will test your understanding of the procedure, its underlying principles, interpretation of findings like hemianopias and quadrantanopias, and its clinical significance in localizing lesions along the visual pathway. Challenge your knowledge with these 25 multiple-choice questions to sharpen your diagnostic acumen. After completing the quiz, you can review your performance and download a PDF of all questions with their correct answers for future revision.

1. What is the fundamental principle behind confrontation visual field testing?

2. What is the recommended distance between the patient and the examiner during confrontation perimetry?

3. A bitemporal hemianopia detected on confrontation testing is most characteristic of a lesion at the:

4. During the procedure, what must the patient maintain fixation on?

5. A patient with a right homonymous hemianopia has a lesion affecting the:

6. A superior quadrantanopia, often described as a “pie in the sky” defect, typically results from a lesion in the:

7. Why is it essential to test each eye separately during confrontation perimetry?

8. A patient cannot see the examiner’s fingers in the lower right quadrant of both eyes. This defect is best described as:

9. What is a major limitation of confrontation perimetry?

10. Using a red-colored target (like a red pinhead) during confrontation can be more sensitive for detecting:

11. A visual field defect that respects the horizontal meridian, affecting either the superior or inferior half of the field, is known as an:

12. The physiological blind spot corresponds to what anatomical structure?

13. In a patient with left homonymous hemianopia, macular sparing suggests the lesion may be in the:

14. The finger counting method in confrontation testing is useful for assessing:

15. What type of perimetry does confrontation testing primarily represent?

16. An inferior quadrantanopia (“pie on the floor” defect) is classically associated with a lesion in the contralateral:

17. Which of the following can cause an artifactual superior field defect during confrontation testing?

18. A junctional scotoma (of Traquair) involves a central defect in one eye and a superior-temporal defect in the contralateral eye. This localizes the lesion to:

19. In which clinical scenario is confrontation perimetry most valuable?

20. What is a key factor for ensuring reliability during the test?

21. A lesion of the entire right optic tract will produce which visual field defect?

22. If a patient consistently fails to see the target in the temporal field of their left eye, but their nasal field is intact, where is a likely location for a lesion?

23. When testing the patient’s right eye, which eye should the examiner close?

24. Homonymous defects are typically caused by lesions that are:

25. Compared to a Humphrey Visual Field (HVF) analyzer, confrontation perimetry is: