Q 1. A 68 years aged primary open angle glaucoma patient with CD ratio 0.8 was placed on antiglaucoma therapy. He had past h/o of Trabeculectomy in his right eye due to lack of compliance. Slit lamp examination currently shows poorly functional bleb.  (1+2+2)

a. Classify antiglaucoma drugs

b. What is mechanism of action of hyper osmotic agents?

c. Enumerate 3 complications of each group of antiglaucoma drugs