Central Nervous System & Special Senses · NEET PG Preparation Physiology

A patient with a pituitary macroadenoma compression on the optic chiasm most characteristically presents with which of the following visual field def…

Practice question from Central Nervous System & Special Senses (NEET PG Preparation Physiology), with the correct answer and a step-by-step solution.

easy · MCQ · Q-9DAF89

A patient with a pituitary macroadenoma compression on the optic chiasm most characteristically presents with which of the following visual field defects?

  1. A.Left homonymous hemianopia
  2. B.Bitemporal hemianopiaCorrect answer
  3. C.Right nasal hemianopia
  4. D.Altitudinal hemianopia

Solution

The optic chiasm carries crossing nasal retinal fibers, which represent the temporal visual fields. Compression at this site (such as by a pituitary adenoma) results in bitemporal hemianopia.

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