###Rationale: Brimonidine is α2 - blocker used for glaucoma that depress CNS and can lead to drowsiness.
It can cross BBB and also lead to apnea in newborns.

###Answer: OPTION D IS CORRECT.
###Question: Which of the following antiglaucoma drug can lead to drowsiness
###Options:
A. Apraclonidine
B. Dipevefrine
C. Timolol
D. Brimonidine
