Table 2.

Assessment of bleb morphology according to AS-OCT examination and vascularity scoring.

	At 1 month	At 3 months	At 6 months	At 12 months	p value‡
Bleb depth, mean (SD), mm	0.33 (0.24)	0.28 (0.27)	0.26 (0.34)	—	NS
[range]	0.24–0.42	0.2–0.36	0.15–0.37	—	NS
Bleb density, mean (SD), optical density unit	142.3(32.6)	141.3(32.6)	137.3(33.8)	—	NS
[range]	130.1–154.5	131.7–150.9	126.7–148.0	—	NS
Vascularization, mean (SD), grading	2.7 (1.2)	2.4 (1.2)	2.2 (1.1)	2.0 (0.7)	NS
[range]	1~5	1~4	1~4	1~4	NS

^‡Comparison of the four glaucoma subtypes (NTG, POAG, SOAG, XFG).