Table 5.
Literature review of studies presenting results of moderate-to-high myopic astigmatic correction
| Author (year) | Number of eyes | Follow-up (months) | Laser | Preoperative refractive cylinder
|
Postoperative refractive cylinder
|
Refractive cylinder within 0.50 D of intended correction | UDVA 20/20 or better | Loss of two lines of CDVA |
|---|---|---|---|---|---|---|---|---|
| Mean ± SD (range) (D) | Mean ± SD (range) (D) | |||||||
| Arbelaez et al4 (2009) | 50 | 6 | Amaris (Schwind) | −3.54±0.85 (−2.00 to −4.75) | −0.50±0.26 (0.00 to −1.25) | 76% | 84% | 0% |
| Igarashi et al5 (2012) | 48 | 12 | Technolas 217z (Bausch and Lomb) | −2.74±0.99 (−2.00 to −6.00) | −0.63±0.63 (0.00 to −2.50) | – | – | – |
| Hasegawa et al6 (2012) | 351 | 12 | MEL 80 (Carl Zeiss) | −1.95±0.39 (−1.50 to −2.75) (moderate cylinder group) | −0.27±0.29 (–) | 91.0% | – | – |
| −3.66±0.44 (over –3.00 D) (high cylinder group) | −0.68±0.52 (−) | 53.3% | – | – | ||||
| Ivarsen et al7 (2013) | 46 | 3 | MEL 80 (Carl Zeiss) | −3.92±0.82 (−2.75 to −6.00) | −0.97±0.52 (−0.25 to −2.25) | – | – | 0% |
| Alió et al8 (2013) | 37 | 6 | Amaris (Schwind) | −3.64±0.55 (−3.00 to −5.25) | −0.45±0.38 (0.00 to −1.25) | 67% | 61% | 0% |
| Katz et al9 (2013) | 57 | 6 | Allegretto 200/400 Wave-Light |
−3.86±0.57 (−3.25 to −5.75) | −1.23±0.51 (0 to −3.75) | – | 74% | – |
| Current study | 611 | 3 | Visx S4 IR (AMO) | −2.76±0.81 (−2.00 to −6.00) | −0.37±0.38 (0.00 to −2.00) | 79.1% | 83.8% | 0.8% |
Abbreviations: D, diopter; SD, standard deviation; UDVA, uncorrected distance visual acuity; CDVA, corrected distance visual acuity.