Medical Lasers

pISSN 2287-8300
eISSN 2288-0224

Table 3

Uncorrected visual acuity, sphere, cylinder, and keratometry at screening and during follow-up

Screening (n = 43)Week 1 (n = 43)Week 2 (n = 43)Week 4 (n = 43)p-value
UCVA (LogMAR)1.18 ± 0.30 (0.70, 2.00)0.30 ± 0.32 (0, 1.30)0.13 ± 0.20 (0, 0.70)0.06 ± 0.12 (0, 0.70)<0.0001*
Sphere (D)–4.58 ± 1.28 (–5.50, 0)–2.03 ± 1.43 (–5.50, 0)–1.25 ± 0.95 (–3.50, 0.5)–0.65 ± 0.69 (–3.00, 0.75)<0.0001*
Cylinder (D)–0.84 ± 0.47 (–2.00, 0)–0.90 ± 0.49 (–2.00, 0)–1.01 ± 0.77 (–3.75, 0)–1.17 ± 0.78 (–3.50, –0.25)0.03*
Flat Keratometry (mm)7.99 ± 0.23 (7.45, 8.44)8.29 ± 0.26 (7.61, 8.84)8.35 ± 0.27 (7.74, 8.93)8.40 ± 0.28 (7.86, 9.07)<0.0001**
Steep Keratometry (mm)7.74 ± 0.23 (7.22, 8.26)7.96 ± 0.29 (7.36, 8.45)7.98 ± 0.27 (7.37, 8.47)7.99 ± 0.28 (7.35, 8.55)<0.0001**

Data are presented as mean ± standard deviation; the range of data was shown in the parenthesis.

UCVA, uncorrected visual acuity; LogMAR, logarithm of the minimum angle of resolution.

*Friedman test, **RM-ANOVA.

Med Lasers 2021;10:229~237 https://doi.org/10.25289/ML.2021.10.4.229
© Medical Lasers