Table 3.

The characteristics and interocular differences of choroidal thickness, vascular density, and flow void in anisometropia cutoff from 1.50 D

Parameters	Anisometropia more than 1.50 D	Anisometropia less than 1.50 D	P value
Number	19	25
Age (years)	14.84 ± 2.22	13.52 ± 2.33	0.064
M:F	10:9	9:16	0.270
SER (D)	2.34 ± 0.62	1.26 ± 0.23	< 0.001
AL (mm)	0.94 ± 0.38	0.58 ± 0.38	< 0.001
VCD (mm)	1.08 ± 0.70	0.56 ± 0.20	0.001
K mean (D)	0.21 ± 0.37	0.12 ± 0.28	0.347
Choroidal thickness (μm)
Center	− 54.98 ± 44.97	− 17.86 ± 29.23	0.002
Nasal	− 46.04 ± 45.44	− 17.47 ± 35.66	0.024
Temporal	− 38.38 ± 41.81	− 23.46 ± 32.67	0.191
Superior	− 49.30 ± 43.76	− 9.80 ± 32.66	0.001
Inferior	− 51.91 ± 42.06	− 13.70 ± 27.41	0.001
Vascular density (%)
C0–0.6	− 1.60 ± 6.04	2.22 ± 8.46	0.103
N0.6–2.5	− 4.31 ± 5.83	1.07 ± 6.70	0.008
T0.6–2.5	− 2.38 ± 6.41	0.05 ± 8.21	0.293
S0.6–2.5	− 2.70 ± 5.65	0.93 ± 7.79	0.094
I0.6–2.5	− 3.14 ± 5.10	0.82 ± 7.25	0.049
Flow void (%)
C0–0.6	− 0.46 ± 2.67	− 0.60 ± 2.87	0.868
N0.6–2.5	− 1.61 ± 2.07	0.48 ± 1.77	0.059
T0.6–2.5	0.21 ± 2.31	0.99 ± 2.01	0.072
S0.6–2.5	− 0.18 ± 2.19	0.59 ± 1.53	0.174
I0.6–2.5	0.49 ± 0.98	0.51 ± 1.07	0.951

C0–0.6, represents the central foveal area (0–0.6 mm). N0.6–2.5, T0.6–2.5, I0.6–2.5, and S0.6–2.5 represent the 0.6–2.5 mm region in nasal, temporal, inferior, and superior, respectively

M male; F female; SER spherical equivalent refraction; D diopter; AL axial length; VCD vitreous chamber depth; K keratometry