视力 | LP | HM | FC | 0.01~0.05 | 0.06~0.1 | 0.12~0.15 | 0.3~1.0 |
术前 | 2 | 6 | 2 | 5 | 0 | 1 | 1 |
术后 | 0 | 3 | 1 | 4 | 4 | 2 | 2 |
t值 | −3.171 | ||||||
P值 | 0.006 |