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. 2023 Dec 8;23:501. doi: 10.1186/s12886-023-03241-4

Table 3.

Postoperative parameters 1 day, 1 week, and 1 month after FS-LASIK surgery

Control MCG
PreOp Po 1 Day Po 1 Week Po 1 Month P1 P2 P3 PreOp Po 1 Day Po 1 Week Po 1 Month P1 P2 P3
UCVAa -0.003 ± 0.048 0.074 ± 0.129 -0.022 ± 0.074 -0.041 ± 0.069 0.001** 0.179 0.004** -0.012 ± 0.043 0.052 ± 0.174 -0.013 ± 0.053 -0.013 ± 0.053 0.030* 0.923 0.268
MRSE(D) -8.10 ± 1.81 0.32 ± 0.76 -0.07 ± 0.65 -0.12 ± 0.77  < 0.001***  < 0.001***  < 0.001*** -7.31 ± 1.52 0.50 ± 0.90 0.11 ± 0.65 0.02 ± 0.73  < 0.001***  < 0.001***  < 0.001***
NIBUT(s) 10.17 ± 6.96 6.20 ± 5.29 6.91 ± 6.72 6.81 ± 4.95 0.008** 0.037* 0.033* 8.78 ± 6.40 7.27 ± 7.03 8.25 ± 6.63 9.04 ± 6.40 0.331 0.749 0.857
TMH(mm) 0.21 ± 0.06 0.20 ± 0.06 0.20 ± 0.04 0.22 ± 0.07 0.383 0.333 0.557 0.22 ± 0.06 0.26 ± 0.09 0.22 ± 0.06 0.22 ± 0.05 0.024* 0.887 0.628
Congestion 1.234 ± 0.159 1.164 ± 0.223 1.255 ± 0.206 1.125 ± 0.116 0.144 0.562 0.001** 1.158 ± 0.184 1.217 ± 0.365 1.055 ± 0.146 1.198 ± 0.237 0.289  < 0.001*** 0.221
AvgICU 76.35 ± 24.82 81.71 ± 23.10 72.94 ± 26.87 80.76 ± 20.74 0.381 0.597 0.360 73.61 ± 23.24 77.33 ± 23.98 59.44 ± 18.23 69.94 ± 25.80 0.456 0.004** 0.442
DevICU 18.52 ± 16.97 15.31 ± 13.86 21.53 ± 18.66 24.72 ± 18.79 0.356 0.441 0.161 20.49 ± 14.14 11.89 ± 12.28 20.14 ± 11.65 17.86 ± 15.14 0.005** 0.894 0.438
Total HOA 0.728 ± 0.676 0.414 ± 0.285 0.355 ± 0.266 0.320 ± 0.235 0.025* 0.002** 0.001** 0.608 ± 0.409 0.282 ± 0.167 0.221 ± 0.132 0.280 ± 0.177  < 0.001***  < 0.001***  < 0.001***
Coma 0.317 ± 0.350 0.266 ± 0.232 0.266 ± 0.233 0.260 ± 0.207 0.538 0.442 0.349 0.303 ± 0.277 0.138 ± 0.085 0.133 ± 0.100 0.193 ± 0.160 0.002** 0.002** 0.058
Spherical 0.138 ± 0.240 -0.010 ± 0.137 0.068 ± 0.170 0.064 ± 0.141 0.002** 0.091 0.113 0.125 ± 0.165 -0.006 ± 0.097 0.021 ± 0.075 0.037 ± 0.094  < 0.001*** 0.001** 0.005**
SA 0.155 ± 0.154 0.087 ± 0.071 0.061 ± 0.051 0.031 ± 0.027 0.030*  < 0.001***  < 0.001*** 0.128 ± 0.118 0.077 ± 0.058 0.047 ± 0.046 0.066 ± 0.050 0.031 0.001** 0.004**
Trefoil 0.403 ± 0.414 0.163 ± 0.152 0.100 ± 0.064 0.092 ± 0.055 0.002**  < 0.001***  < 0.001*** 0.296 ± 0.211 0.121 ± 0.103 0.118 ± 0.135 0.113 ± 0.077  < 0.001***  < 0.001***  < 0.001***
OSDI 17.7 ± 6.3 31.8 ± 12.0 0.020* 18.5 ± 10.7 14.7 ± 12.3 0.200

P1, PreOp vs. Po 1 day; P2, PreOp vs. Po 1 week; P3, PreOp vs. Po 1 month

MCG moisture chamber goggles, PreOp preoperative, Po postoperative, UCVA uncorrected visual acuity, MRSE manifest refractive spherical equivalent, TMH tear meniscus height, NIBUT non-invasive tear film break-up time, AvgICU average lipid layer thickness in interferometric color units, DevICU deviation of lipid layer thickness in interferometric color units, HOA higher-order aberrations, SA secondary astigmatism, OSDI ocular surface disease index

*p < 0.05, **p < 0.01, ***p < 0.001, paired student’s t-test

aBest-corrected visual acuity (BCVA) for preoperative examination