Correlations between Visual Performance and Chorioretinal Variables after Vitrectomy for the Idiopathic Macular Hole
Table 3
Differences in the choroidal thickness and blood density among the eyes.
Choroid
Macular hole eyes
Fellow eyes
Normal eyes
value
Pre-surgery
One month
Three months
Flow area (mm2)
1.31 ± 0.30
1.76 ± 0.15
1.87 ± 0.12
1.95 ± 1.33
1.93 ± 1.22
<0.001
Blood vessel superficial capillary density (%)
0–0.6 mm
73.72 ± 13.50
60.59 ± 8.59
58.84 ± 4.08
61.10 ± 7.73
63.61 ± 5.31
<0.001
0.6–1.5 mm
39.48 ± 12.99
48.46 ± 7.13
49.54 ± 5.68
56.02 ± 8.00
54.62 ± 2.77
<0.001
1.5–2.0 mm
49.42 ± 12.06
49.57 ± 7.85
51.50 ± 4.79
56.27 ± 6.65
54.49 ± 2.53
0.014
2.0–2.5 mm
59.52 ± 10.97
52.39 ± 6.80
54.33 ± 3.91
58.89 ± 5.73
56.24 ± 2.38
0.044
0.6–2.5 mm
49.82 ± 11.70
50.20 ± 7.13
51.69 ± 4.40
57.19 ± 6.63
55.20 ± 2.12
0.028
Choroidal thickness (um)
SFCT
190 ± 24
216 ± 28
221 ± 28
225 ± 29
229 ± 41
0.006
Superior 1 mm
193 ± 35
216 ± 30
218 ± 33
199 ± 44
234 ± 51
0.037
Inferior 1 mm
181 ± 38
199 ± 32
202 ± 39
192 ± 32
213 ± 52
0.207
Nasal 1 mm
172 ± 31
191 ± 38
187 ± 41
190 ± 63
208 ± 68
0.391
Temporal 1 mm
205 ± 29
227 ± 30
227 ± 38
225 ± 38
226 ± 40
0.329
Superior 3 mm
199 ± 43
210 ± 41
212 ± 48
207 ± 46
227 ± 64
0.603
Inferior 3 mm
170 ± 46
185 ± 45
185 ± 46
163 ± 47
206 ± 52
0.143
Nasal 3 mm
98 ± 33
106 ± 25
107 ± 32
103 ± 57
147 ± 52
0.008
Temporal 3 mm
193 ± 26
206 ± 30
215 ± 34
211 ± 32
211 ± 59
0.544
Note. Flow area: the blood flow areas of the choroid capillary layer; blood vessel density: the blood vessel density of the choroid capillary layer (diameter of 0–0.6 mm, 0.6–1.5 mm, 1.5–2.0 mm, 2.0–2.5 mm, and 0.6–2.5 mm); SFCT: subfoveal choroidal thickness.