Cochrane · systematic review · CD005135
Laser‐assisted in‐situ keratomileusis (LASIK) versus photorefractive keratectomy (PRK) for myopia
Shortt, AJ, Allan, BDS, Evans, JR · Cochrane Database of Systematic Reviews · 2013 · Cochrane Library
Eyes and VisionAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
6
current version
GRADE rated
5
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 1 · 16.7%Very low 1 · 16.7%Low 4 · 66.7%Moderate 0 · 0%High 0 · 0%
Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.
Questions and results
Laser‐assisted in‐situ keratomileusis (LASIK) versus photorefractive keratectomy (PRK) for myopia
Population: patients with myopia
| Outcome | Effect | Evidence | Status / GRADE |
|---|---|---|---|
UCVA of 20/20 or better Laser‐assisted in‐situ keratomileusis (LASIK) vs photorefractive keratectomy (PRK) | OR 1.64 [1.1, 2.45] | 7 studies · 1007 participants | Low Downgraded: risk of bias |
Within 0.50 D of target refraction Laser‐assisted in‐situ keratomileusis (LASIK) vs photorefractive keratectomy (PRK) | OR 1.45 [0.99, 2.1] | 7 studies · 1007 participants | Low Downgraded: risk of bias |
Postoperative spherical equivalent Laser‐assisted in‐situ keratomileusis (LASIK) vs photorefractive keratectomy (PRK) | no estimate extracted | 6 studies · 589 participants | Low Downgraded: risk of bias |
Lost one or more lines of BCVA Laser‐assisted in‐situ keratomileusis (LASIK) vs photorefractive keratectomy (PRK) | OR 0.88 [0.51, 1.5] | 6 studies · 746 participants | Low Downgraded: risk of bias |
Final BCVA of 20/40 or less Laser‐assisted in‐situ keratomileusis (LASIK) vs photorefractive keratectomy (PRK) | OR 0.12 [0.01, 1.93] | 6 studies · 442 participants | Very low Downgraded: risk of bias, imprecision |
Pain scores Laser‐assisted in‐situ keratomileusis (LASIK) vs photorefractive keratectomy (PRK) | no estimate extracted | 0 studies · 3 participants | Ungraded |