Research Article

Anatomical and Visual Outcomes after LASIK Performed in Myopic Eyes with the WaveLight® Refractive Suite (Alcon® Laboratories Inc., USA)

Table 2

Differences between high (cylinder ≥ 1.5 D) and low astigmatic eyes (cylinder < 1.50 D) in 90% and 10% corrected distance visual acuity (CDVA), in corrected contrast sensitivity and corrected contrast sensitivity with glare (CCS at 12 cycles per degree), and in corrected sensitivity to blur (CSB).

Safety1 day postoperative (n = 60)1 month postoperative (n = 60)3 months postoperative (n = 60)6 months postoperative (n = 60)
Percentage (95% CI)Percentage (95% CI)Percentage (95% CI)Percentage (95% CI)
High astigmatismLow astigmatismLow astigmatismLow astigmatismHigh astigmatismLow astigmatismHigh astigmatismLow astigmatism

CDVA
Loss of 3 lines or more (90% contrast)9%4%0 0390.0370.1370.005
Loss of 2 lines (90% contrast)27%8%9%4%2%
Loss of 1 line (90% contrast)36%33%27%20%36%18%55%12%
No loss or gain of lines (90% contrast)18%49%45%51%55%43%45%45%
Gain of 1 line (90% contrast)9%6%18%27%9%29%33%
Gain of 2 lines (90% contrast)2%6%8%
Gain of 3 lines or more (90% contrast)
Loss of 3 lines or more (10% contrast)18%14%0.0089%2%0.0352%0.7512%0.08
Loss of 2 lines (10% contrast)36%18%9%8%4%
Loss of 1 line (10% contrast)36%22%18%22%18%16%36%18%
No loss or gain of lines (10% contrast)9%37%36%41%36%27%18%27%
Gain of 1 line (10% contrast)8%18%27%36%31%45%39%
Gain of 2 lines (10% contrast)8%9%16%8%
Gain of 3 lines or more (10% contrast)9%2%
CCS (12 cpd)
Loss of 0.4 u.log or more9%31%0.1919%6%0.0019%4%0.0019%2%0.001
Loss of 0.1 to 0.4 u.log64%45%27%29%9%31%18%35%
No loss or gain9%6%27%18%18%16%36%18%
Gain of 0.1 to 0.4 u.log18%16%27%37%55%33%27%41%
Gain of 0.4 u.log or more2%9%10%9%16%9%4%
Loss of 0.4 u.log or more (with glare)9%2%0.0019%4%0.0019%6%0.001
Loss of 0.1 to 0.4 u.log (with glare)36%37%18%37%36%33%
No loss or gain (with glare)18%18%27%14%18%12%
Gain of 0.1 to 0.4 u.log (with glare)18%37%27%37%27%43%
Gain of 0.4 u.log or more (with glare)18%6%18%8%9%6%
CSB
Loss of 0.3 D or more10%0.1978%0.1088%0.29
Loss of 0.1 to 0.3 D9%29%39%9%45%
No loss or gain36%31%18%14%9%12%
Gain of 0.1 to 0.3 D45%29%73%35%73%22%
Gain of 0.3 D or more9%2%9%4%9%12%

Significant.