Question 2

A 16 year old male presents as a referral from his pediatrician for asymmetric pupils. External exam is above. The anisocoria is greater in dark than light conditions. Extraocular movements are full. Vision is 20/20 OU. No history of trauma. Apraclonidine testing in this patient showed reversal of his anisocoria. Which action of apraclonidine is responsible for the dilation of the normal pupil?

Alpha-2 agonist

Alpha-2 antagonist

Alpha-1 agonist

Alpha-1 antagonist

{"name":"Question 2", "url":"https://www.quiz-maker.com/QPREVIEW","txt":"A 16 year old male presents as a referral from his pediatrician for asymmetric pupils. External exam is above. The anisocoria is greater in dark than light conditions. Extraocular movements are full. Vision is 20\/20 OU. No history of trauma. Apraclonidine testing in this patient showed reversal of his anisocoria. Which action of apraclonidine is responsible for the dilation of the normal pupil?","img":"https://cdn.poll-maker.com/16-680877/case2.jpg?sz=1200"}