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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
Intervention NR
Clinical outcomes: improvement in punctate keratitis at 6 months · people residing in communities endemic for onchocerciasis
Doxycycline plus ivermectin versus ivermectin alone for treatment of patients with onchocerciasis (2016) · Cochrane
RR 1.43 [1.02, 2]1 study · 240 participantsVery low
Intervention NR
Adverse events · people residing in communities endemic for onchocerciasis
Doxycycline plus ivermectin versus ivermectin alone for treatment of patients with onchocerciasis (2016) · Cochrane
no estimate extracted2010 participantsModerate
Anti‐VEGF vs control
Change in visual acuity at 1 year · CNV in people with pathologic myopia
Anti‐vascular endothelial growth factor for choroidal neovascularisation in people with pathological myopia (2016) · Cochrane
no estimate extracted3 studies · 263 participantsLow
Anti‐VEGF vs control
Gain 3+ lines of visual acuity at 1 year · CNV in people with pathologic myopia
Anti‐vascular endothelial growth factor for choroidal neovascularisation in people with pathological myopia (2016) · Cochrane
RR 1.86 [1.27, 2.73]2 studies · 226 participantsModerate
Anti‐VEGF vs control
Change in central macular thickness at 1 year · CNV in people with pathologic myopia
Anti‐vascular endothelial growth factor for choroidal neovascularisation in people with pathological myopia (2016) · Cochrane
no estimate extracted2 studies · 226 participantsModerate
Anti‐VEGF vs control
CNV angiographic closure at 1 year · CNV in people with pathologic myopia
Anti‐vascular endothelial growth factor for choroidal neovascularisation in people with pathological myopia (2016) · Cochrane
RR 1.24 [0.99, 1.54]2 studies · 208 participantsLow
Anti‐VEGF vs control
Systemic serious adverse events · CNV in people with pathologic myopia
Anti‐vascular endothelial growth factor for choroidal neovascularisation in people with pathological myopia (2016) · Cochrane
RR 4.5 [0.6, 33.99]4 studies · 508 participantsVery low
Anti‐VEGF vs control
Ocular adverse events · CNV in people with pathologic myopia
Anti‐vascular endothelial growth factor for choroidal neovascularisation in people with pathological myopia (2016) · Cochrane
RR 1.82 [0.23, 14.71]4 studies · 508 participantsVery low
Anti‐VEGF vs control
Quality of life · CNV in people with pathologic myopia
Anti‐vascular endothelial growth factor for choroidal neovascularisation in people with pathological myopia (2016) · Cochrane
no estimate extracted1 study · 121 participantsModerate
Intervention NR
Recurrence of pterygium ( · individuals with pterygium
Fibrin glue versus sutures for conjunctival autografting in primary pterygium surgery (2016) · Cochrane
RR 0.47 [0.27, 0.82]NRLow
Intervention NR
Occurrence of complication · individuals with pterygium
Fibrin glue versus sutures for conjunctival autografting in primary pterygium surgery (2016) · Cochrane
RR 1.92 [1.22, 3.02]NRLow
Intervention NR
Operating time · individuals with pterygium
Fibrin glue versus sutures for conjunctival autografting in primary pterygium surgery (2016) · Cochrane
no estimate extractedNRLow
Intervention NR
Mean change in BCVA in ETDRS letters at 1 year (number of letters) · people with age‐related macular degeneration
Aflibercept for neovascular age‐related macular degeneration (2016) · Cochrane
no estimate extracted2 studies · 2412 participantsHigh
Intervention NR
Gain of ≥ 15 letters of BVCA at 1 year · people with age‐related macular degeneration
Aflibercept for neovascular age‐related macular degeneration (2016) · Cochrane
RR 0.97 [0.85, 1.11]2 studies · 2412 participantsHigh
Intervention NR
Absence of fluid on optical coherence tomography (OCT) at 1 year · people with age‐related macular degeneration
Aflibercept for neovascular age‐related macular degeneration (2016) · Cochrane
RR 1.06 [0.98, 1.14]2 studies · 2291 participantsHigh
Intervention NR
Quality‐of‐life measures at 1 year (National Eye Institute‐Visual Function Questionnaire [NEI‐VFQ]) · people with age‐related macular degeneration
Aflibercept for neovascular age‐related macular degeneration (2016) · Cochrane
no estimate extracted2 studies · 2412 participantsHigh
Intervention NR
Adverse events ‐ serious systemic events at 1 year · people with age‐related macular degeneration
Aflibercept for neovascular age‐related macular degeneration (2016) · Cochrane
RR 0.99 [0.79, 1.25]2 studies · 2419 participantsModerate
Intervention NR
Adverse events ‐ serious ocular events at 1 year · people with age‐related macular degeneration
Aflibercept for neovascular age‐related macular degeneration (2016) · Cochrane
RR 0.62 [0.36, 1.07]2 studies · 2419 participantsModerate
Summary of findings for conjunctival autograft vs amniotic membrane transplant
Recurrence of pterygium · people with primary or recurrent pterygium
Conjunctival autograft for pterygium (2016) · Cochrane
RR 0.87 [0.43, 1.77]NRVery low
Summary of findings for conjunctival autograft vs amniotic membrane transplant
Recurrence of pterygium · people with primary or recurrent pterygium
Conjunctival autograft for pterygium (2016) · Cochrane
RR 0.53 [0.33, 0.85]NRModerate
Summary of findings for conjunctival autograft vs amniotic membrane transplant
Clinical improvement (non‐recurrence risk) · people with primary or recurrent pterygium
Conjunctival autograft for pterygium (2016) · Cochrane
no estimate extractedNRNo studies
Summary of findings for conjunctival autograft vs amniotic membrane transplant
Need for repeat surgery · people with primary or recurrent pterygium
Conjunctival autograft for pterygium (2016) · Cochrane
no estimate extractedNRNo studies
Summary of findings for conjunctival autograft vs amniotic membrane transplant
Mean change in visual acuity · people with primary or recurrent pterygium
Conjunctival autograft for pterygium (2016) · Cochrane
no estimate extractedNRNo studies
Summary of findings for conjunctival autograft vs amniotic membrane transplant
Quality of life · people with primary or recurrent pterygium
Conjunctival autograft for pterygium (2016) · Cochrane
no estimate extractedNRNo studies
Summary of findings for conjunctival autograft vs amniotic membrane transplant
Direct and indirect costs · people with primary or recurrent pterygium
Conjunctival autograft for pterygium (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Occurrence of ocular involvement · Adult immunocompetent patients with herpes zoster ophthalmicus
Valacyclovir versus acyclovir for the treatment of herpes zoster ophthalmicus in immunocompetent patients (2016) · Cochrane
RR 1.93 [0.18, 20.65]1 study · 110 participantsVery low
Intervention NR
Ocular involvement ‐ Dendritic ulcer · Adult immunocompetent patients with herpes zoster ophthalmicus
Valacyclovir versus acyclovir for the treatment of herpes zoster ophthalmicus in immunocompetent patients (2016) · Cochrane
RR 2.89 [0.31, 26.96]1 study · 110 participantsVery low
Intervention NR
Ocular involvement ‐ Uveitis · Adult immunocompetent patients with herpes zoster ophthalmicus
Valacyclovir versus acyclovir for the treatment of herpes zoster ophthalmicus in immunocompetent patients (2016) · Cochrane
RR 0.96 [0.36, 2.57]1 study · 110 participantsVery low
Intervention NR
Pain at week 24 (self‐reported; yes) · Adult immunocompetent patients with herpes zoster ophthalmicus
Valacyclovir versus acyclovir for the treatment of herpes zoster ophthalmicus in immunocompetent patients (2016) · Cochrane
RR 0.96 [0.2, 4.57]1 study · 110 participantsVery low
Intervention NR
Adverse effects ‐ Vomiting · Adult immunocompetent patients with herpes zoster ophthalmicus
Valacyclovir versus acyclovir for the treatment of herpes zoster ophthalmicus in immunocompetent patients (2016) · Cochrane
RR 1.45 [0.25, 8.32]1 study · 110 participantsVery low
Intervention NR
Adverse effects ‐ Eyelid or facial oedema · Adult immunocompetent patients with herpes zoster ophthalmicus
Valacyclovir versus acyclovir for the treatment of herpes zoster ophthalmicus in immunocompetent patients (2016) · Cochrane
RR 0.32 [0.03, 3]1 study · 110 participantsVery low
Intervention NR
Adverse effects ‐ Disseminated zoster · Adult immunocompetent patients with herpes zoster ophthalmicus
Valacyclovir versus acyclovir for the treatment of herpes zoster ophthalmicus in immunocompetent patients (2016) · Cochrane
RR 0.32 [0.01, 7.73]1 study · 110 participantsVery low
Intervention NR
Treatment comparisons · trial participants with dendritic or geographic epithelial keratitis Outcomes: corneal epithelial healing at 7 and 14…
Antiviral treatment and other therapeutic interventions for herpes simplex virus epithelial keratitis (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Acyclovir (B) versus trifluridine (A) · trial participants with dendritic or geographic epithelial keratitis Outcomes: corneal epithelial healing at 7 and 14…
Antiviral treatment and other therapeutic interventions for herpes simplex virus epithelial keratitis (2015) · Cochrane
no estimate extracted7 participantsModerate
Intervention NR
Brivudine (B) versus trifluridine (A) · trial participants with dendritic or geographic epithelial keratitis Outcomes: corneal epithelial healing at 7 and 14…
Antiviral treatment and other therapeutic interventions for herpes simplex virus epithelial keratitis (2015) · Cochrane
no estimate extracted7 participantsModerate
Intervention NR
Brivudine (B) versus acyclovir (A) · trial participants with dendritic or geographic epithelial keratitis Outcomes: corneal epithelial healing at 7 and 14…
Antiviral treatment and other therapeutic interventions for herpes simplex virus epithelial keratitis (2015) · Cochrane
no estimate extracted7 participantsModerate
Intervention NR
Ganciclovir (B) versus acyclovir (A) · trial participants with dendritic or geographic epithelial keratitis Outcomes: corneal epithelial healing at 7 and 14…
Antiviral treatment and other therapeutic interventions for herpes simplex virus epithelial keratitis (2015) · Cochrane
no estimate extracted7 participantsLow
Intervention NR
Foscarnet (B) versus trifluridine (A) · trial participants with dendritic or geographic epithelial keratitis Outcomes: corneal epithelial healing at 7 and 14…
Antiviral treatment and other therapeutic interventions for herpes simplex virus epithelial keratitis (2015) · Cochrane
no estimate extracted7 participantsModerate
Intervention NR
Foscarnet (B) versus acyclovir (A) · trial participants with dendritic or geographic epithelial keratitis Outcomes: corneal epithelial healing at 7 and 14…
Antiviral treatment and other therapeutic interventions for herpes simplex virus epithelial keratitis (2015) · Cochrane
no estimate extracted7 participantsModerate
Intervention NR
Foscarnet (B) versus ganciclovir (A) · trial participants with dendritic or geographic epithelial keratitis Outcomes: corneal epithelial healing at 7 and 14…
Antiviral treatment and other therapeutic interventions for herpes simplex virus epithelial keratitis (2015) · Cochrane
no estimate extracted7 participantsModerate
Intervention NR
Treatment comparisons · trial participants with dendritic or geographic epithelial keratitis Outcomes: corneal epithelial healing at 7 and 14…
Antiviral treatment and other therapeutic interventions for herpes simplex virus epithelial keratitis (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Topical acyclovir/vidarabine (B) versus topical acyclovir (A) · trial participants with dendritic or geographic epithelial keratitis Outcomes: corneal epithelial healing at 7 and 14…
Antiviral treatment and other therapeutic interventions for herpes simplex virus epithelial keratitis (2015) · Cochrane
no estimate extracted7 participantsModerate
Intervention NR
Oral antiviral (B) versus topical antiviral (A) · trial participants with dendritic or geographic epithelial keratitis Outcomes: corneal epithelial healing at 7 and 14…
Antiviral treatment and other therapeutic interventions for herpes simplex virus epithelial keratitis (2015) · Cochrane
no estimate extracted7 participantsLow
Intervention NR
Idoxuridine (B) versus inactive control (A) · trial participants with dendritic or geographic epithelial keratitis Outcomes: corneal epithelial healing at 7 and 14…
Antiviral treatment and other therapeutic interventions for herpes simplex virus epithelial keratitis (2015) · Cochrane
no estimate extracted7 participantsLow
Intervention NR
Oral antiviral + topical antiviral (B) versus topical antiviral (A) · trial participants with dendritic or geographic epithelial keratitis Outcomes: corneal epithelial healing at 7 and 14…
Antiviral treatment and other therapeutic interventions for herpes simplex virus epithelial keratitis (2015) · Cochrane
no estimate extracted7 participantsLow
Intervention NR
Treatment comparisons · trial participants with dendritic or geographic epithelial keratitis Outcomes: corneal epithelial healing at 7 and 14…
Antiviral treatment and other therapeutic interventions for herpes simplex virus epithelial keratitis (2015) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Interferon (B) versus inactive control (A) · trial participants with dendritic or geographic epithelial keratitis Outcomes: corneal epithelial healing at 7 and 14…
Antiviral treatment and other therapeutic interventions for herpes simplex virus epithelial keratitis (2015) · Cochrane
no estimate extracted7 participantsVery low
Intervention NR
Interferon (B) versus antiviral (A) · trial participants with dendritic or geographic epithelial keratitis Outcomes: corneal epithelial healing at 7 and 14…
Antiviral treatment and other therapeutic interventions for herpes simplex virus epithelial keratitis (2015) · Cochrane
no estimate extracted7 participantsLow
Intervention NR
Interferon + antiviral (B) versus antiviral (A) · trial participants with dendritic or geographic epithelial keratitis Outcomes: corneal epithelial healing at 7 and 14…
Antiviral treatment and other therapeutic interventions for herpes simplex virus epithelial keratitis (2015) · Cochrane
no estimate extracted7 participantsModerate
Intervention NR
Treatment comparisons · trial participants with dendritic or geographic epithelial keratitis Outcomes: corneal epithelial healing at 7 and 14…
Antiviral treatment and other therapeutic interventions for herpes simplex virus epithelial keratitis (2015) · Cochrane
no estimate extractedNRNo studies