A Comparative Study of Macular and Choroidal Thickness and Blood-Flow Parameters in Patients with Intermediate and Simple Juvenile Moderate Myopia

Figures & data

Table 1 Baseline Information Between the Intermediate Myopia and the Simple Myopia Groups

Characteristics	The Intermediate Myopia Group	Simple Myopia Group	p
Gender (M:F)	16:18	19:17	0.632
Age (yr)	13.4±2.7	14.4±2.8	0.680
MSE (Diopter)	−4.97±0.76	−4.20±0.82	0.001
AL (mm)	26.13±0.58	25.04±0.38	0.000
Corneal curvature (mm)	7.9±0.22	7.79±0.25	0.021

Table 2 Macular Choroid Thickness and Blood Flow Parameters Between the Intermediate Myopia and the Simple Myopia Groups

Characteristics	The Intermediate Myopia Group	Simple Myopia Group	p
FAZ (mm^2)	0.68±0.81	0.31±0.10	0.000
PERIM (mm^2)	1.76±0.47	2.20±0.38	0.000
Blood flow density throughout the image (%)	48.58±1.98	47.43±2.94	0.160
Upper half blood flow density (%)	48.81±2.31	47.54±2.96	0.052
Lower blood flow density (%)	41.46±13.39	47.33±3.03	0.011
Macular fovea 1mm blood flow density (%)	27.21±13.49	15.77±6.08	0.000
Peripheral fovea blood flow density (%)	51.64±2.13	50.78±3.29	0.197
Temporal blood flow density (%)	50.52±1.79	49.40±3.77	0.122
Upper flow density (%)	52.84±2.81	52.09±3.75	0.348
Nosebleed density (%)	51.54±2.97	50.10±3.20	0.057
Lower blood flow density (%)	111.70±108.52	51.53±3.54	0.001
Overall image thickness (µm)	308.00±13.97	307.58±9.15	0.882
Half the thickness of the (µm)	306.35±26.86	309.53±9.21	0.506
The second half of the thickness (µm)	290.09±32.11	305.64±9.67	0.007
Macular fovea thickness (µm)	264.03±33.07	241.22±15.88	0.001
Thickness of adjacent fovea (µm)	317.44±17.52	317.19±9.77	0.933
Half thickness above side fovea (µm)	318.32±15.12	318.97±9.54	0.832
Half thickness of side fovea (µm)	313.06±15.46	315.36±10.53	0.467
The thickness of the temporal (µm)	311.53±14.42	307.56±10.00	0.183
Thickness of the upper part (µm)	322.00±15.97	322.81±9.65	0.798
Nasal thickness (µm)	321.59±16.74	322.08±11.01	0.884
Lower thickness (µm)	254.58±114.61	316.42±10.81	0.002