This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Ophthalmology
Following are the side effects of apraclonidine except ? 
Select and explain. 
A. Lid dermatitis, B. Follicular conjunctivitis, C. Eye lid retraction, D. Watering of mouth
D: Watering of mouth
Answer: D: Watering of mouth 
Explanation: Ans. is 'd' i.e., Watering of mouth Apraclonidine Topical application lowers the intra ocular pressure by 25 %. It decreases aqueous production by primary alphal and subsidiary alpha 2 action in ciliary body. Itching, lid dermatitis, follicular conjunctivitis, mydriasis, eyelid retraction, dryness of mouth and nose are common side effects. Its use is restricted to sho term control of spikes of intraocular tension after laser trabeculolasty or iridotomy.