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The difference in uncorrected visual acuity (log MAR) before and after surgery.
| Difference of UCVA | |||||
|---|---|---|---|---|---|
| Mean | SD | N | t | P valuea | 95% CI |
| 0.88 | 0.60 | 11 | 4.91 | 0.001 | 0.48–1.28 |
UCVA: uncorrected visual acuity; SD: standard deviation; N: number of eyes; CI: confidence interval.
aPaired t-test.
