Laser peripheral iridotomy versus laser peripheral iridotomy plus laser peripheral iridoplasty in the treatment of multi-mechanism angle closure: study protocol for a randomized controlled trial

Table 1 Schedule of visits and examination items

Visit number	1	2	3	4	5	6	7	8	9	10	11	12
Examination item	-7 to -1 day	Laser day	1 W (±1 D)	1 M (±1 W)	3 M (±1 W)	6 M (±1 W)	1 Y (±2 W)	1½ Y (±2 W)	2 Y (±2 W)	3 Y (±2 W)	4 Y (±2 W)	5 Y (±2 W) EOS
Informed consent	X
Demographics data	X
Medical history	X
Vital signs	X	X										X
Height and weight	X
Medication record	X		X	X	X	X	X	X	X	X	X	X
Refraction	X ^b			X		X	X	X	X	X	X	X^b
Visual acuity	X ^b		X	X	X	X	X	X	X	X	X	X^b
Slit lamp biomicroscopy	X ^b		X	X	X	X	X	X	X	X	X	X ^b
Fundus examination	X ^b			X		X	X	X	X	X	X	X ^b
IOP (Goldmann)	X ^b	X ^b	X ^b	X ^b	X ^b	X ^b	X ^b	X ^b	X ^b	X ^b	X ^b	X ^b
A scan	X ^b						X		X	X	X	X ^b
Endothelial cell count	X ^b			X		X	X		X	X	X	X ^b
UBM	X ^b			X		X	X	X	X	X	X	X ^b
AS-OCT	(X ^b )			(X)		(X)	(X)	(X)	(X)	(X)	(X)	(X ^b )
Humphrey 24-2	X ^b				X		X		X	X	X	X ^b
Antiglaucoma surgery				X	X	X	X	X	X	X	X	X
Laser treatment		X
Adverse event	X	X	X	X	X	X	X	X	X	X	X	X

X^b: examination item for both eyes; (x): optional examination item (AS-OCT)
EOS, the end of the study, IOP intraocular pressure, UBM ultrasound biomicroscopy, AS-OCT anterior segment optical coherence tomography, W week, M month, Y year

ISSN: 1745-6215