What was noted about Clancy's pupils?

• A. Pupils dilated but responsive to light
• B. Pupils constricted but non-responsive
• C. Pupils equal and reactive to light
• D. Pupils fixed and dilated

Answer: (A)

Pupil size with a preserved light reflex tells you about intact brainstem pathways controlling the pupil. A pupil that is enlarged but still constricts when light is shown means the reflex arc from the retina through the midbrain to the oculomotor nerves is functioning, even though the resting tone is higher and the pupil is dilated. This pattern rules out a fixed, nonreactive dilated pupil (which would imply severe injury or brain death) and also rules out a constricted, nonreactive pupil (which points to a different issue such as Pon­tine involvement or drug effects). It aligns with a dilated yet reactive pupil, indicating that basic neurological reflexes are preserved despite dilation.