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Search review questions

Each row is one question a systematic review asked: who, what, compared with what, and which outcome, with the effect it found and how certain that is. Words match anywhere in the field.

Limit to evidence status or GRADE (optional)

2,112 questions in 171 reviews · Eyes and Vision

current versions
No studies 587 · 27.8%Ungraded 95 · 4.5%Very low 446 · 21.1%Low 557 · 26.4%Moderate 361 · 17.1%High 66 · 3.1%

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.

QuestionEffectEvidenceStatus / GRADE
Summary of findings 1: blue‐light filtering lenses vs non‐blue‐light filtering lenses
CFF, measured in Hz, with a · adults
Blue‐light filtering spectacle lenses for visual performance, sleep, and macular health in adults (2023) · Cochrane
no estimate extracted1 study · 120 participantsLow
Summary of findings 1: blue‐light filtering lenses vs non‐blue‐light filtering lenses
BCVA, measured in log units, with · adults
Blue‐light filtering spectacle lenses for visual performance, sleep, and macular health in adults (2023) · Cochrane
no estimate extracted1 study · 156 participantsModerate
Summary of findings 1: blue‐light filtering lenses vs non‐blue‐light filtering lenses
Proportion of eyes or individuals that developed macular structural changes · adults
Blue‐light filtering spectacle lenses for visual performance, sleep, and macular health in adults (2023) · Cochrane
no estimate extractedNRNo studies
Summary of findings 1: blue‐light filtering lenses vs non‐blue‐light filtering lenses
Colour discrimination, measured using the FM‐100 hue test · adults
Blue‐light filtering spectacle lenses for visual performance, sleep, and macular health in adults (2023) · Cochrane
no estimate extractedNRNo studies
Summary of findings 1: blue‐light filtering lenses vs non‐blue‐light filtering lenses
Subjective sleep scores, measured using a VAS or Likert scale, with · adults
Blue‐light filtering spectacle lenses for visual performance, sleep, and macular health in adults (2023) · Cochrane
no estimate extracted6 studies · 148 participantsVery low
Summary of findings 1: blue‐light filtering lenses vs non‐blue‐light filtering lenses
Proportion of participants with adverse events with a probable causal linked with the study intervention · adults
Blue‐light filtering spectacle lenses for visual performance, sleep, and macular health in adults (2023) · Cochrane
no estimate extracted9 studies · 333 participantsLow
Intervention NR
Progression of DRa · people with type 2 diabetes
Fenofibrate for diabetic retinopathy (2023) · Cochrane
RR 0.86 [0.6, 1.25]1 study · 1012 participantsModerate
Intervention NR
Incidence of overt retinopathya,b · people with type 2 diabetes
Fenofibrate for diabetic retinopathy (2023) · Cochrane
RR 0.91 [0.76, 1.09]2 studies · 1580 participantsModerate
Intervention NR
Incidence of a reduction in visual acuity of 10 ETDR letters or more · people with type 2 diabetes
Fenofibrate for diabetic retinopathy (2023) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Incidence of PDR · people with type 2 diabetes
Fenofibrate for diabetic retinopathy (2023) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Incidence of DMOa · people with type 2 diabetes
Fenofibrate for diabetic retinopathy (2023) · Cochrane
RR 0.39 [0.12, 1.24]1 study · 850 participantsModerate
Intervention NR
Mean vision‐related quality of life · people with type 2 diabetes
Fenofibrate for diabetic retinopathy (2023) · Cochrane
no estimate extractedNRNo studies
Intervention NR
SAEa · people with type 2 diabetes
Fenofibrate for diabetic retinopathy (2023) · Cochrane
RR 1.55 [1.05, 2.27]2 studies · 15226 participantsHigh
Intervention NR
High‐dose atropine (≥ 0.5%) · children with progressive myopia (38 studies, 6525 participants in analyses) Interventions: optical and…
Interventions for myopia control in children: a living systematic review and network meta‐analysis (2023) · Cochrane
no estimate extracted3 studies · 512 participantsModerate
Intervention NR
Undercorrected single vision spectacles · children with progressive myopia (38 studies, 6525 participants in analyses) Interventions: optical and…
Interventions for myopia control in children: a living systematic review and network meta‐analysis (2023) · Cochrane
no estimate extracted2 studies · 72 participantsLow
Intervention NR
High‐dose atropine (≥ 0.5%) · children with progressive myopia (26 studies, 4949 participants in the analysis) Interventions: optical and…
Interventions for myopia control in children: a living systematic review and network meta‐analysis (2023) · Cochrane
no estimate extracted2 studies · 428 participantsModerate
Intervention NR
Moderate‐dose atropine (0.1% to < 0.5%) · children with progressive myopia (26 studies, 4949 participants in the analysis) Interventions: optical and…
Interventions for myopia control in children: a living systematic review and network meta‐analysis (2023) · Cochrane
no estimate extracted2 studies · 247 participantsLow
Intervention NR
Low‐dose atropine (< 0.1%) · children with progressive myopia (26 studies, 4949 participants in the analysis) Interventions: optical and…
Interventions for myopia control in children: a living systematic review and network meta‐analysis (2023) · Cochrane
no estimate extracted2 studies · 249 participantsLow
Intervention NR
Pirenzepine · children with progressive myopia (26 studies, 4949 participants in the analysis) Interventions: optical and…
Interventions for myopia control in children: a living systematic review and network meta‐analysis (2023) · Cochrane
no estimate extracted1 study · 53 participantsLow
Intervention NR
Multifocal soft contact lenses · children with progressive myopia (26 studies, 4949 participants in the analysis) Interventions: optical and…
Interventions for myopia control in children: a living systematic review and network meta‐analysis (2023) · Cochrane
no estimate extracted5 studies · 540 participantsLow
Intervention NR
Rigid gas‐permeable contact lenses · children with progressive myopia (26 studies, 4949 participants in the analysis) Interventions: optical and…
Interventions for myopia control in children: a living systematic review and network meta‐analysis (2023) · Cochrane
no estimate extracted2 studies · 154 participantsVery low
Intervention NR
Peripheral plus spectacle lenses · children with progressive myopia (26 studies, 4949 participants in the analysis) Interventions: optical and…
Interventions for myopia control in children: a living systematic review and network meta‐analysis (2023) · Cochrane
no estimate extracted2 studies · 188 participantsVery low
Intervention NR
Multifocal spectacle lenses · children with progressive myopia (26 studies, 4949 participants in the analysis) Interventions: optical and…
Interventions for myopia control in children: a living systematic review and network meta‐analysis (2023) · Cochrane
no estimate extracted8 studies · 696 participantsLow
Intervention NR
Undercorrected single vision spectacles · children with progressive myopia (26 studies, 4949 participants in the analysis) Interventions: optical and…
Interventions for myopia control in children: a living systematic review and network meta‐analysis (2023) · Cochrane
no estimate extracted2 studies · 122 participantsVery low
Intervention NR
Moderate‐dose atropine (0.1% to < 0.5%) · children with progressive myopia (38 studies, 6525 participants in analyses) Interventions: optical and…
Interventions for myopia control in children: a living systematic review and network meta‐analysis (2023) · Cochrane
no estimate extracted2 studies · 254 participantsModerate
Intervention NR
High‐dose atropine (≥ 0.5%) · children with progressive myopia (36 studies, 6263 participants) in the analysis Interventions: optical and…
Interventions for myopia control in children: a living systematic review and network meta‐analysis (2023) · Cochrane
no estimate extracted3 studies · 512 participantsModerate
Intervention NR
Moderate‐dose atropine (0.1% to < 0.5%) · children with progressive myopia (36 studies, 6263 participants) in the analysis Interventions: optical and…
Interventions for myopia control in children: a living systematic review and network meta‐analysis (2023) · Cochrane
no estimate extracted1 study · 155 participantsModerate
Intervention NR
Low‐dose atropine (< 0.1%) · children with progressive myopia (36 studies, 6263 participants) in the analysis Interventions: optical and…
Interventions for myopia control in children: a living systematic review and network meta‐analysis (2023) · Cochrane
no estimate extracted4 studies · 497 participantsVery low
Intervention NR
Pirenzepine · children with progressive myopia (36 studies, 6263 participants) in the analysis Interventions: optical and…
Interventions for myopia control in children: a living systematic review and network meta‐analysis (2023) · Cochrane
no estimate extracted2 studies · 210 participantsVery low
Intervention NR
7‐methylxanthine · children with progressive myopia (36 studies, 6263 participants) in the analysis Interventions: optical and…
Interventions for myopia control in children: a living systematic review and network meta‐analysis (2023) · Cochrane
no estimate extracted1 study · 35 participantsLow
Intervention NR
Orthokeratology · children with progressive myopia (36 studies, 6263 participants) in the analysis Interventions: optical and…
Interventions for myopia control in children: a living systematic review and network meta‐analysis (2023) · Cochrane
no estimate extracted7 studies · 402 participantsModerate
Intervention NR
Multifocal soft contact lenses · children with progressive myopia (36 studies, 6263 participants) in the analysis Interventions: optical and…
Interventions for myopia control in children: a living systematic review and network meta‐analysis (2023) · Cochrane
no estimate extracted8 studies · 712 participantsLow
Intervention NR
Rigid gas‐permeable contact lenses · children with progressive myopia (36 studies, 6263 participants) in the analysis Interventions: optical and…
Interventions for myopia control in children: a living systematic review and network meta‐analysis (2023) · Cochrane
no estimate extracted2 studies · 176 participantsLow
Intervention NR
Peripheral plus spectacle lenses · children with progressive myopia (36 studies, 6263 participants) in the analysis Interventions: optical and…
Interventions for myopia control in children: a living systematic review and network meta‐analysis (2023) · Cochrane
no estimate extracted3 studies · 340 participantsVery low
Intervention NR
Multifocal spectacle lenses · children with progressive myopia (36 studies, 6263 participants) in the analysis Interventions: optical and…
Interventions for myopia control in children: a living systematic review and network meta‐analysis (2023) · Cochrane
no estimate extracted4 studies · 445 participantsLow
Intervention NR
Low‐dose atropine (< 0.1%) · children with progressive myopia (38 studies, 6525 participants in analyses) Interventions: optical and…
Interventions for myopia control in children: a living systematic review and network meta‐analysis (2023) · Cochrane
no estimate extracted4 studies · 497 participantsVery low
Intervention NR
Undercorrected single vision spectacles · children with progressive myopia (36 studies, 6263 participants) in the analysis Interventions: optical and…
Interventions for myopia control in children: a living systematic review and network meta‐analysis (2023) · Cochrane
no estimate extracted1 study · 47 participantsLow
Intervention NR
High‐dose atropine (≥ 0.5%) · children with progressive myopia (21 studies, 4169 participants in the analysis) Interventions: optical and…
Interventions for myopia control in children: a living systematic review and network meta‐analysis (2023) · Cochrane
no estimate extracted2 studies · 428 participantsModerate
Intervention NR
Moderate‐dose atropine (0.1% to < 0.5%) · children with progressive myopia (21 studies, 4169 participants in the analysis) Interventions: optical and…
Interventions for myopia control in children: a living systematic review and network meta‐analysis (2023) · Cochrane
no estimate extracted1 study · 144 participantsModerate
Intervention NR
Low‐dose atropine (< 0.1%) · children with progressive myopia (21 studies, 4169 participants in the analysis) Interventions: optical and…
Interventions for myopia control in children: a living systematic review and network meta‐analysis (2023) · Cochrane
no estimate extracted2 studies · 249 participantsLow
Intervention NR
Orthokeratology · children with progressive myopia (21 studies, 4169 participants in the analysis) Interventions: optical and…
Interventions for myopia control in children: a living systematic review and network meta‐analysis (2023) · Cochrane
no estimate extracted2 studies · 49 participantsModerate
Intervention NR
Multifocal soft contact lenses · children with progressive myopia (21 studies, 4169 participants in the analysis) Interventions: optical and…
Interventions for myopia control in children: a living systematic review and network meta‐analysis (2023) · Cochrane
no estimate extracted5 studies · 540 participantsModerate
Intervention NR
Rigid gas‐permeable contact lenses · children with progressive myopia (21 studies, 4169 participants in the analysis) Interventions: optical and…
Interventions for myopia control in children: a living systematic review and network meta‐analysis (2023) · Cochrane
no estimate extracted2 studies · 154 participantsLow
Intervention NR
Peripheral plus spectacle lenses · children with progressive myopia (21 studies, 4169 participants in the analysis) Interventions: optical and…
Interventions for myopia control in children: a living systematic review and network meta‐analysis (2023) · Cochrane
no estimate extracted2 studies · 188 participantsVery low
Intervention NR
Multifocal spectacle lenses · children with progressive myopia (21 studies, 4169 participants in the analysis) Interventions: optical and…
Interventions for myopia control in children: a living systematic review and network meta‐analysis (2023) · Cochrane
no estimate extracted3 studies · 404 participantsLow
Intervention NR
Undercorrected single vision spectacles · children with progressive myopia (21 studies, 4169 participants in the analysis) Interventions: optical and…
Interventions for myopia control in children: a living systematic review and network meta‐analysis (2023) · Cochrane
no estimate extracted2 studies · 122 participantsLow
Intervention NR
Pirenzepine · children with progressive myopia (38 studies, 6525 participants in analyses) Interventions: optical and…
Interventions for myopia control in children: a living systematic review and network meta‐analysis (2023) · Cochrane
no estimate extracted2 studies · 210 participantsVery low
Intervention NR
7‐methyxanthine · children with progressive myopia (38 studies, 6525 participants in analyses) Interventions: optical and…
Interventions for myopia control in children: a living systematic review and network meta‐analysis (2023) · Cochrane
no estimate extracted1 study · 77 participantsLow
Intervention NR
Multifocal soft contact lenses · children with progressive myopia (38 studies, 6525 participants in analyses) Interventions: optical and…
Interventions for myopia control in children: a living systematic review and network meta‐analysis (2023) · Cochrane
no estimate extracted8 studies · 712 participantsVery low
Intervention NR
Rigid gas‐permeable contact lenses · children with progressive myopia (38 studies, 6525 participants in analyses) Interventions: optical and…
Interventions for myopia control in children: a living systematic review and network meta‐analysis (2023) · Cochrane
no estimate extracted2 studies · 178 participantsVery low