Table 3. Brain regions with significant differences in FC between RVO patients and HCs.

Conditions	L/R	Brain regions	BA	MNI coordinates			Peak voxels	t-value
				X	Y	Z
ROI in left V1
1	R	Middle frontal gyrus	9	36	45	36	36	4.67
2	R	Cuneus	17	18	−81	6	15	−4.38
ROI in right V1
3	R	Middle frontal gyrus	9	−33	30	24	15	4.68
4	R	Superior frontal gyrus	9	36	51	30	14	5.39
5	R	Cuneus	17	18	−81	6	16	-4.61

The statistical threshold was set at voxel with P<0.01 for multiple comparisons using Gaussian random field corrected. FC, functional connectivity; BA, Brodmann area; RVO, retinal vein occlusion; HC, healthy control; MNI, Montreal Neurological Institute; L, left; R, right; ROI, region of interest.