Cochrane · systematic review · CD006537

Laser treatment of drusen to prevent progression to advanced age‐related macular degeneration

Virgili, G, Michelessi, M, Parodi, MB, et al. · Cochrane Database of Systematic Reviews · 2015 · Cochrane Library

Eyes and Vision2 versionsAMSTAR 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
6
No studies
1
Included studies
NR
No studies 1 · 14.3%Ungraded 0 · 0%Very low 0 · 0%Low 3 · 42.9%Moderate 1 · 14.3%High 2 · 28.6%

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

Current version only

Summary of findings table: photocoagulation of drusen versus control

CD006537.PUB3 (current) · 7 questions
OutcomeEffectEvidenceStatus / GRADE
Outcomes at two years
Summary of findings table: photocoagulation of drusen vs control
no estimate extractedNRNo studies
Development of CNV
Summary of findings table: photocoagulation of drusen vs control
OR 1.07 [0.79, 1.46]11 studies · 2159 participantsHigh
Development of geographic atrophy
Summary of findings table: photocoagulation of drusen vs control
OR 1.3 [0.38, 4.51]2 studies · 148 participantsLow
Downgraded: imprecision
Visual loss of 2‐3+ lines of visual acuity
Summary of findings table: photocoagulation of drusen vs control
OR 0.99 [0.81, 1.22]9 studies · 2002 participantsModerate
Downgraded: risk of bias
Loss of ≥ 0.3 log units of contrast sensitivity
Summary of findings table: photocoagulation of drusen vs control
OR 0.82 [0.2, 3.31]1 study · 82 participantsLow
Downgraded: imprecision
Reading speed in words/minute
Summary of findings table: photocoagulation of drusen vs control
no estimate extracted1 study · 44 participantsLow
Downgraded: imprecision
Drusen reduction
Summary of findings table: photocoagulation of drusen vs control
OR 9.16 [6.28, 13.4]3 studies · 570 participantsHigh

Summary of findings table: photocoagulation of drusen vs control

CD006537.PUB2 · 7 questions
OutcomeEffectEvidenceStatus / GRADE
Outcomes at two years
Summary of findings table: photocoagulation of drusen vs control
no estimate extractedNRNo studies
Development of CNV
Summary of findings table: photocoagulation of drusen vs control
OR 1.04 [0.71, 1.51]9 studies · 1767 participantsModerate
Downgraded: risk of bias, imprecision
Development of geographic atrophy
Summary of findings table: photocoagulation of drusen vs control
OR 1.3 [0.38, 4.51]1 study · 66 participantsLow
Visual loss of 2‐3+ lines of visual acuity
Summary of findings table: photocoagulation of drusen vs control
OR 0.88 [0.67, 1.14]6 studies · 1628 participantsModerate
Loss of 0.3 log units or more of contrast sensitivity
Summary of findings table: photocoagulation of drusen vs control
OR 0.82 [0.2, 3.31]1 study · 82 participantsLow
Reading speed in words/minute
Summary of findings table: photocoagulation of drusen vs control
no estimate extracted1 study · 44 participantsLow
Drusen reduction
Summary of findings table: photocoagulation of drusen vs control
OR 10.722 studies · 195 participantsHigh