Research Article

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.

ChoroidMacular hole eyesFellow eyesNormal eyes value
Pre-surgeryOne monthThree months

Flow area (mm2)1.31 ± 0.301.76 ± 0.151.87 ± 0.121.95 ± 1.331.93 ± 1.22<0.001
Blood vessel superficial capillary density (%)
 0–0.6 mm73.72 ± 13.5060.59 ± 8.5958.84 ± 4.0861.10 ± 7.7363.61 ± 5.31<0.001
 0.6–1.5 mm39.48 ± 12.9948.46 ± 7.1349.54 ± 5.6856.02 ± 8.0054.62 ± 2.77<0.001
 1.5–2.0 mm49.42 ± 12.0649.57 ± 7.8551.50 ± 4.7956.27 ± 6.6554.49 ± 2.530.014
 2.0–2.5 mm59.52 ± 10.9752.39 ± 6.8054.33 ± 3.9158.89 ± 5.7356.24 ± 2.380.044
 0.6–2.5 mm49.82 ± 11.7050.20 ± 7.1351.69 ± 4.4057.19 ± 6.6355.20 ± 2.120.028
Choroidal thickness (um)
 SFCT190 ± 24216 ± 28221 ± 28225 ± 29229 ± 410.006
 Superior 1 mm193 ± 35216 ± 30218 ± 33199 ± 44234 ± 510.037
 Inferior 1 mm181 ± 38199 ± 32202 ± 39192 ± 32213 ± 520.207
 Nasal 1 mm172 ± 31191 ± 38187 ± 41190 ± 63208 ± 680.391
 Temporal 1 mm205 ± 29227 ± 30227 ± 38225 ± 38226 ± 400.329
 Superior 3 mm199 ± 43210 ± 41212 ± 48207 ± 46227 ± 640.603
 Inferior 3 mm170 ± 46185 ± 45185 ± 46163 ± 47206 ± 520.143
 Nasal 3 mm98 ± 33106 ± 25107 ± 32103 ± 57147 ± 520.008
 Temporal 3 mm193 ± 26206 ± 30215 ± 34211 ± 32211 ± 590.544

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.