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Evidence found and GRADE certainty

2,079 questions · 2,112 findings · 171 reviews · Eyes and Vision

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No studies found 587 · 27.8%GRADE not reported 95 · 4.5%Very low 446 · 21.1%Low 557 · 26.4%Moderate 361 · 17.1%High 66 · 3.1%

Blood pressure intervention/intensive blood pressure intervention vs placebo/standard blood pressure intervention

Change in visual loss associated with PSR: visual loss is defined by the deterioration of visual acuity of 3 lines or more with the Snellen chart · type 1 or type 2 diabetics

It is very uncertain whether blood pressure intervention/intensive blood pressure intervention changes visual acuity (loss of 3 lines or more) by 5 years compared with placebo/standard blood pressure intervention (very low certainty).

1 finding from 1 review

Blood pressure intervention/intensive blood pressure intervention vs placebo/standard blood pressure intervention

Adverse events: hypotension · type 1 or type 2 diabetics

Blood pressure intervention/intensive blood pressure intervention may leads to higher adverse events—hypotension compared with placebo/standard blood pressure intervention (low certainty).

1 finding from 1 review

Botulinum toxin vs surgery

Improved or corrected strabismusa at 6 or 12 months · adults and children with strabismus

Botulinum toxin may leads to lower improved or corrected strabismusa at 6 or 12 months compared with surgery (low certainty).

1 finding from 1 review

Botulinum toxin vs surgery

Proportion of participants requiring additional surgery(ies) at 6 or 12 months · adults and children with strabismus

It is very uncertain whether botulinum toxin changes proportion of participants requiring additional surgery(ies) at 6 or… compared with surgery (very low certainty).

1 finding from 1 review

Botulinum toxin vs surgery

Proportion of participants who achieved binocular single vision at 6 or 12 months · adults and children with strabismus

Botulinum toxin showed no clear difference in proportion of participants who achieved binocular single vision at 6… compared with surgery (low certainty).

1 finding from 1 review