Table 1 Mean and standard error of MRI-assessed posterior ocular globe changes from preflight (baseline), including change in volume, axial length (assessed by optical biometry), and mean displacement.

From: Automated MRI-based quantification of posterior ocular globe flattening and recovery after long-duration spaceflight

Parameter

R + 1

R + 30

R + 90

R + 180

R + 360

Volume decrease (mm3)

9.88 ± 5.31***

9.00 ± 5.27***

6.53 ± 5.29*

4.45 ± 5.41

7.21 ± 5.39**

Δ Ocular biometry (mm)

−0.12 ± 0.07***

−0.09 ± 0.07**

−0.08 ± 0.07*

−0.08 ± 0.07*

−0.06 ± 0.07

Mean displacement (mm)

0.20 ± 0.11***

0.18 ± 0.11***

0.13 ± 0.11*

0.09 ± 0.11

0.14 ± 0.10**

Number of subjects, eyes

9, 17

9, 18

10, 18

7, 12

7, 13

  1. Key: *p < 0.05; **p < 0.01 ***p < 0.005.