Table 2 Comparison of optical quality parameters (OSI, MTF cut-off and Strehl ratio) and OSDI scores between and within the two groups after surgery
Optical quality | Presurgery | Postsurgery (1 mo) | Postsurgery (3 mo) | P-Value | |
|---|---|---|---|---|---|
OSI (OSI value) | Group1 | 4.88 + 3.18 | 2.16 ± 1.56 | 1.64 ± 1.52 | p1 = 0.00 p2 = 0.00 p3 = 0.00 |
Group2 | 6.22 + 4.41 | 3.42 ± 1.87 | 2.58 ± 1.43 | p1 = 0.00 p2 = 0.00 p3 = 0.00 | |
P-value | 0.346 | 0.005 | 0.004 | ||
MTF cut-off (c/deg) | Group1 | 16.52 + 9.23 | 29.71 ± 12.03 | 37.94 ± 9.94 | p1 = 0.00 p2 = 0.00 p3 = 0.00 |
Group2 | 13.81 + 10.38 | 23.16 ± 9.00 | 33.36 ± 8.31 | p1 = 0.00 p2 = 0.00 p3 = 0.00 | |
P-value | 0.227 | 0.042 | 0.039 | ||
Strehl ratio | Group1 | 0.12 + 0.04 | 0.19 ± 0.04 | 0.23 ± 0.05 | p1 = 0.00 p2 = 0.00 p3 = 0.00 |
Group2 | 0.11 + 0.03 | 0.14 ± 0.04 | 0.18 ± 0.08 | p1 = 0.00 p2 = 0.00 p3 = 0.00 | |
P-value | 0.313 | < 0.001 | < 0.001 | ||
OSDI | Group1 | 21.74 + 13.67 | 10.33 ± 6.23 | 4.94 ± 3.70 | p1 = 0.00 p2 = 0.00 p3 = 0.00 |
Group2 | 22.41 + 10.68 | 13.88 ± 5.84 | 6.02 ± 3.14 | p1 = 0.00 p2 = 0.00 p3 = 0.00 | |
P-value | 0.49 | 0.037 | 0.13 |