Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

46 questions · 46 findings · 13 reviews · Eyes and Vision

No studies found 10 · 21.7%GRADE not reported 3 · 6.5%Very low 8 · 17.4%Low 18 · 39.1%Moderate 7 · 15.2%High 0 · 0%