Fig. 1From: Stratification of phaco-trabectome surgery results using a glaucoma severity index in a retrospective analysisDistribution of glaucoma index variables. Most patients had a preoperative intraocular pressure in the range below 20 mmHg. Three medications was the most common median number of eye drops used. Visual field score distribution was even and included a relatively large number of eyes with advanced visual field damage. †IOP: Intraocular pressureBack to article page