Lid retraction is caused by ?: (A) Bimatoprost, (B) Latanoprost, (C) Brimonidine, (D) Apraclonidine
Answer is D. Points to remember - Apraclonidine

Sympathomimetic drug
Indication - Open-angle Glaucoma
Mechanism of action - Decrease aqueous secretion
Adverse effect - Upper lid retraction, eye allergy.