Cochrane · systematic review · CD012801

Toric intraocular lens versus limbal relaxing incisions for corneal astigmatism after phacoemulsification

Lake, JC, Victor, G, Clare, G, et al. · Cochrane Database of Systematic Reviews · 2019 · 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
7
current version
GRADE rated
7
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 0 · 0%Very low 2 · 28.6%Low 3 · 42.9%Moderate 2 · 28.6%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

Toric intraocular lens (IOL) compared to limbal relaxing incisions (LRIs) for corneal astigmatism after cataract surgery (phacoemulsification)

Population: people with astigmatism who are having cataract surgery (phacoemulsification)
7 questions
OutcomeEffectEvidenceStatus / GRADE
Postoperative residual refractive astigmatism of less than 0.50 D
Toric intraocular lens (IOL) vs limbal relaxing incisions (LRIs)
RR 1.4 [1.1, 1.78]5 studies · 262 participantsModerate
Downgraded: risk of bias
Postoperative residual refractive astigmatism in dioptres
Toric intraocular lens (IOL) vs limbal relaxing incisions (LRIs)
no estimate extracted10 studies · 620 participantsLow
Downgraded: risk of bias, inconsistency
Uncorrected postoperative distance visual acuity (logMAR) LogMAR score ranges from –1.3 to +1.3 with lower scores representing better vision (logMAR of 0 = 6/6 visual acuity)
Toric intraocular lens (IOL) vs limbal relaxing incisions (LRIs)
no estimate extracted8 studies · 474 participantsModerate
Downgraded: risk of bias
Spectacle independence for distance as reported by the participant
Toric intraocular lens (IOL) vs limbal relaxing incisions (LRIs)
RR 1.56 [1.14, 2.15]2 studies · 100 participantsLow
Downgraded: risk of bias, publication bias
Vision‐related quality of life measured using the VF‐14 index Scale 0–100: 0 = unable to do all applicable activities because of vision and 100 = able to do all applicable activities because of vision)
Toric intraocular lens (IOL) vs limbal relaxing incisions (LRIs)
no estimate extracted1 study · 40 participantsLow
Downgraded: risk of bias, imprecision
Adverse effects: postoperative lens rotation requiring second procedure to re‐align toric IOL
Toric intraocular lens (IOL) vs limbal relaxing incisions (LRIs)
no estimate extracted5 studies · 318 participantsVery low
Downgraded: risk of bias, imprecision
Adverse effects: other
Toric intraocular lens (IOL) vs limbal relaxing incisions (LRIs)
no estimate extracted6 studies · 410 participantsVery low
Downgraded: risk of bias, imprecision