Table 1 Baseline characteristics of patients based on history of refractive surgery.

From: Comparison of two different contrast sensitivity devices in young adults with normal visual acuity with or without refractive surgery

Variables

Eyes with history of refractive surgery (n = 42)

Eyes without history of refractive surgery (n = 40)

P-value

Age, years (mean ± SD [range])

25.3 ± 2.2 [23–32]

28.1 ± 4.4 [23–39]

 < 0.001*

Female (%)

18 (43%)

24 (60%)

0.028*

Number of patients who tested manual CST first (%)

20 (48%)

20 (50%)

0.84

Years since refractive surgery (mean ± SD [range])

–

5.5 ± 3.5 [1–12]

–

Subjective night vision decrease (%)

16(38%)

22(55%)

0.030*

  1. *Indicates statistically significant results.
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