Table 2.

Biomarkers identified on OCTA

	Control group	RS group	p-value
Signal strength index	58.22	57.37	0.66
Choroidal thickness, μm	116.78 ± 71.42	80.78 ± 41.65	0.03
Retinal volume, mm3
Full	6.89 ± 0.36	8.5 ± 1.97	<0.01
Inner	2.62 ± 0.4	2.6 ± 0.33	0.98
Outer	4.27 ± 0.38	5.91 ± 1.76	<0.01
FAZ-SL, mm2	0.27 ± 0.08	0.34 ± 0.13	0.02
FAZ-DL, mm2	0.73 ± 0.18	0.62 ± 0.24	0.02
Choroidal flow area, mm2	1.57 ± 0.47	1.46 ± 0.42	0.32
Vessel density (%)
Whole CC	65.87 ± 2.81	63.17 ± 13.07	0.79
Foveal CC	66.03 ± 9.94	69.75 ± 6.52	0.04
Whole SL	48.12 ± 4.98	46.28 ± 6.66	0.48
Foveal SL	30.63 ± 4.47	29.69 ± 5.68	0.26
Whole DL	55.51 ± 3.98	54.82 ± 4.81	0.24
Foveal DL	30.63 ± 4.47	29.69 ± 5.68	0.26
Intact ellipsoid zone, n	27	25	0.16

CC choriocapillaris, FAZ-DL foveal avascular zone area in the deep layer, FAZ-SL foveal avascular zone area in the superficial layer, n number, OCTA optical coherence tomography angiography