Table. 3.

Studies reporting the modulation transfer function (MTF) cut-off frequency and Strehl ratio using the OQAS device

Authors	MTF cut-offfrequency (cpd)	Strehl ratio
Kamiya et al. [10]	26.21 ± 8.32	0.16 ± 0.04
Park et al. [13]	33.42 ± 9.20	0.19 ± 0.06
Miao et al. [14]	37.64 ± 9.74	0.21 ± 0.06
Liu et al. [15]	26.39 ± 12.08	0.15 ± 0.06
Niu et al. [18]	40.65 ± 7.31	NR
Zhang et al. [21]	31.29 ± NR	0.18 ± NR
Baptista et al. [22]	26.91 ± 9.2	NR
Chen et al. [23]a	37.00 ± 7.9637.89 ± 10.80	0.21 ± 0.050.20 ± 0.06
Aruma et al. [24]	36.60 ± 9.39	0.20 ± 0.06

cpd cycles per degree; NR not reported;

^a: baseline values with (top) and without brimonidine (bottom)