Table 2:

Dimensions of stents

DEVICE	Description	Value	Source
iStent
L	Length of the device in SC	1 mm	(Hunter et al., 2014)
w	Width of the device	120 μm	(Katz et al., 2015)
h	Height of device in SC	60 μm	(Katz et al., 2015)
8mm Hydrus
L	Length of device in SC	7.2 mm	(Yuan et al., 2016)
Lw	Length of window region	1.1 mm	(Yuan et al., 2016)
Ls	Length of spine region	0.9 mm	(Yuan et al., 2016)
Lin	Length of inlet spine region	1.1 mm	(Yuan et al., 2016)
Nw	Number of windows	3	(Yuan et al., 2016)
Aw	Area of window region	17553 μm2	(Yuan et al., 2016)
As	Area of spine region	22955 μm2	(Yuan et al., 2016)
Ain	Area of inlet spine region	29841 μm2	(Yuan et al., 2016)
w	Width of device	292 μm	FDA product insert
hw	Height of window portion	76.5 μm	$\frac{4A_w}{\pi w}$
hs	Height of spine portion	100.0 μm	$\frac{4A_s}{\pi w}$
hin	Height of inlet spine region	130.1 μm	$\frac{4A_{in}}{\pi w}$
iStent inject
L	Length of device in SC	230 μm	(Glaukos, 2018)
w	Diameter of device outlets	50 μm	(Glaukos, 2018)
h	Same as w for the iStent	50 μm	(Glaukos, 2018)
din	Diameter of inlet	80 μm	(Glaukos, 2018)
hd	Height of device in SC	150 μm	Analysis of device photo (Glaukos, 2018)