Cochrane · systematic review · CD012270

Iridotomy to slow progression of visual field loss in angle‐closure glaucoma

Rouse, B, Le, JT, Gazzard, G · Cochrane Database of Systematic Reviews · 2023 · 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
4
No studies
3
Included studies
NR
No studies 3 · 42.9%Ungraded 0 · 0%Very low 0 · 0%Low 2 · 28.6%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

Current version only

Iridotomy compared to no iridotomy for people with primary angle‐closure suspect

Population: people with primary angle‐closure suspect
CD012270.PUB3 (current) · 7 questions
OutcomeEffectEvidenceStatus / GRADE
Proportion of progressive visual field loss at 1 year
Iridotomy vs no iridotomy
no estimate extractedNRNo studies
Mean change in IOP (mm Hg) at 1 year
Iridotomy vs no iridotomy
no estimate extractedNRModerate
Downgraded: risk of bias
Gonioscopic findings
Iridotomy vs no iridotomy
no estimate extractedNRModerate
Downgraded: risk of bias
Need for additional surgery: proportion of participants who received additional surgery to control IOP within 1 year***
Iridotomy vs no iridotomy
RR 0.5 [0.05, 5.5]NRLow
Downgraded: risk of bias, imprecision
Medications: mean number of medications used to control IOP at 1 year
Iridotomy vs no iridotomy
no estimate extractedNRNo studies
Quality of life measures
Iridotomy vs no iridotomy
no estimate extractedNRNo studies
Adverse events
Iridotomy vs no iridotomy
RR 13.7 [0.73, 230.42]NRLow
Downgraded: risk of bias, imprecision

Iridotomy compared to no iridotomy for patients with primary angle‐closure suspect, primary angle closure, or primary angle‐closure glaucoma

Population: patients with primary angle‐closure suspect, primary angle closure, or primary angle‐closure glaucoma
CD012270.PUB2 · 7 questions
OutcomeEffectEvidenceStatus / GRADE
Proportion of progressive visual field loss at 1 year
Iridotomy vs no iridotomy
no estimate extractedNRNo studies
Intraocular pressure: mean IOP at 1 year
Iridotomy vs no iridotomy
no estimate extractedNRNo studies
Gonioscopic findings: mean angle width at 1 year
Iridotomy vs no iridotomy
MD 12.7 [12.06, 13.34]NRModerate
Downgraded: risk of bias
Need for additional surgery: proportion of participants who received additional surgery to control IOP at 1 year
Iridotomy vs no iridotomy
no estimate extractedNRNo studies
Medications: mean number of medications used to control IOP at 1 year
Iridotomy vs no iridotomy
no estimate extractedNRNo studies
Quality of life measures
Iridotomy vs no iridotomy
no estimate extractedNRNo studies
Adverse events ‒ IOP spike (rise greater than or equal to 8 mmHg) at 1 hour
Iridotomy vs no iridotomy
RR 24 [7.6, 75.83]NRLow
Downgraded: risk of bias