Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,860 questions · 64,864 findings · 4,913 reviews · Headline outcomes only

No studies found 13,869 · 21.4%GRADE not reported 3,491 · 5.4%Very low 16,300 · 25.1%Low 17,338 · 26.7%Moderate 10,900 · 16.8%High 2,966 · 4.6%

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Iridotomy vs no iridotomy

Need for additional surgery: proportion of participants who received additional surgery to control IOP at 1 year · people with primary angle‐closure suspect

Iridotomy showed no clear difference in need for additional surgery: proportion of participants who received… compared with no iridotomy (low certainty).

1 finding from 1 review