Tabel 2.

Number of drugs pre-operatively and number of drugs at 9 months

Patient	N° of drugs (Pre operatively)	N° of drugs (at 9 months)
1	2 (b-blocker/ carbonic anhydrase inhibitor + PG)	1 (b-blocker)
2	2 (b-blocker/ carbonic anhydrase inhibitor + PG)	0
3	2 (PG/ b-blocker + carbonic anhydrase inhibitor/ a 2-agonist)	1 (b-blocker)
4	2 (b-blocker/ carbonic anhydrase inhibitor + PG)	0
5	3 (b-blocker/ carbonic anhydrase inhibitor + PG + carbonic anhydrase inhibitor)	0
6	3 (b-blocker/ carbonic anhydrase inhibitor + PG + carbonic anhydrase inhibitor)	0
7	4 (b-blocker/ a 2-agonist + carbonic anhydrase inhibitor + PG + carbonic anhydrase inhibitor)	0