Neuroanatomy basics · USMLE Step 1

Injury to the right optic tract causes which visual field defect?

  1. Right homonymous hemianopia
  2. Left homonymous hemianopia
  3. Bitemporal hemianopia
  4. Left superior quadrantanopia
Show answer and explanation

Correct answer: Left homonymous hemianopia

The right optic tract carries fibers from the right retina and left visual fields. A lesion causes left homonymous hemianopia.

Difficulty: Medium Question 7 of 20

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