Table 1. Characteristics of the included studies.

Author, year	Region	Study design	Participants/eyes	Primary disease	Combinded surgeries	Age (SD)	F/M	Initial goniotomy	Gonioscopy	Cannulation	Tenonmeter	Success IOP-control	Follow-up
Smith et al[18], 2018	USA	RCS	8/8	POAG	Cataract	75.00 (10.80)	5/3	Trabectome (90°)	SJGL	MC	NA	NA	2mo-2y
Grover et al[14], 2018	USA	RCS	119/119	OAG	Cataract	68.21 (11.17)	66/53	25G MVRB	SJGL	5-0 S/MC	GT	IOP reduction >20% and IOP<21 mm Hg/no further surgery at or after 6mo follow-up	24mo
Rahmatnejad et al[11], 2017	USA	RCS	48/48	POAG	Cataract	59.90 (15.28)	23/25	25G MVRB	NA	MC	GT	IOP reduction >20%/IOP=5-21 mm Hg/no need further surgery.	11.9 (3-30)mo
Grover et al[17], 2017	USA	RCS	35/35	OAG	Cataract	67.7 (14.4)	15/20	MSB	SJGL	S/MC	NA	IOP reduction >20% and IOP<21 mm Hg/no further surgery at or after 6mo follow-up	24mo
Moster et al[19], 2017	USA	PCS	76	OAG	NA	57.3 (17.8)	34/42	NA	NA	NA	NA	NA	8.8 (6.6)mo
Seuthe et al[15], 2016	Germany	RCS	88/88	OAG	NA	NA	NA	NA	OSGL	10-0 S	NA	NA	12mo
Voykov et al[16], 2015	Germany	RCS	31/31	OAG	NA	65 (15)	13/18	NA	OSGL	10-0 S	NA	IOP≤21 mm Hg and IOP reduction >25%.	24mo
Sato et al[12], 2015	Japan	PCS	12/12	OAG	NA	70.8 (8.1)	9/3	Trabectome (15°)	SJGL	5-0 S	GT	NA	5.5 (0.9)mo
Grover et al[13], 2015	USA	RCS	10/14	PCG/JOAG	NA	18.4 (10.44)	5/5	25G MVRB	NA	MC	GT	NA	20.4 (12-33)mo
Grover et al[10], 2014	USA	RCS	96/106	OAG	Cataract	64.48 (15.16)	52/54	MSB	SJGL	S/MC	NA	IOP reduction >20% and IOP<21 mm Hg/no further surgery at or after 6mo follow-up	10.94 (3.29)mo

RCS: Retrospective case serials; PCS: Prospective case serials; POAG: Primary open angle glaucoma; OAG: Open angle glaucoma; PCG: Primary congenital glaucoma; JOAG: Juvenile open angle glaucoma; MVRB: Microvitreoretinal blade; MSB: Microsurgical blade; SJGL: Swan Jacob goniolens; OSGL: Osher surgical goniolens; MC: Microcatheter; S: Suture; F: Female; M: Male; IOP: Intraocular pressure; GT: Goldmann tonometer.