POAG Glaucoma in Both Eyes since 3 yrs.

Dear Sir. I am patient of POAG. Both eyes CDR 0.8,0.9.and OCT RNFL Badly Damaged left eye, Right eye is also damaged but some optic nerve left. I am taking Treatment in PGIMER CHANDIGARH since 3yrs. I am instilling Latanoprost HS in both eyes and brimonidine with timolol BD in both eyes last 3yrs. Also used  Laser Treatment {SLT} 2015 in both eyes.Now  IOP is 18/18. Sir 2 months back my Right eye Trabeculactomy done IN PGIMER CHANDIGARH. After surgery my IOP is 12 without instilling any Medicines.Before Surgery my Right eyes  Distance vision is 6/6 without glasses but after surgery my Right eyes vision is very poor. I am unable to see clear. My operating Surgeon not explained anything me. I am afraid my vision is not clear. only see double images and light sensitivity. Now I am using Moxifloxacin BD, Betnesol BD and Refresh Tears 4 times a day. 65 days is gone but my vision not come. Please advising and guide me. With Greetings and warm regards. Atar singh Nahan Himachal Pradesh