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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
Inferior oblique myectomy vs recession
Proportion of participants with postoperative hypertropia less than 3 PD in down gaze · people with symptom‐producing and/or socially noticeable unilateral overacting inferior oblique muscle; all…
Surgical interventions for vertical strabismus in superior oblique palsy (2017) · Cochrane
no estimate extracted1 study · 23 participantsUngraded
Inferior oblique myectomy vs recession
Proportion of participants with postoperative hypertropia less than 3 PD in contralateral gaze · people with symptom‐producing and/or socially noticeable unilateral overacting inferior oblique muscle; all…
Surgical interventions for vertical strabismus in superior oblique palsy (2017) · Cochrane
no estimate extracted1 study · 23 participantsUngraded
Inferior oblique myectomy vs recession
Proportion of participants who received additional strabismus surgery · people with symptom‐producing and/or socially noticeable unilateral overacting inferior oblique muscle; all…
Surgical interventions for vertical strabismus in superior oblique palsy (2017) · Cochrane
no estimate extracted1 study · 23 participantsUngraded
Inferior oblique myectomy vs recession
Proportion of participants with reversal of vertical deviation postoperatively · people with symptom‐producing and/or socially noticeable unilateral overacting inferior oblique muscle; all…
Surgical interventions for vertical strabismus in superior oblique palsy (2017) · Cochrane
no estimate extracted1 study · 23 participantsUngraded
Inferior oblique myectomy vs recession
Proportion of participants with postoperative orbital cellulitis · people with symptom‐producing and/or socially noticeable unilateral overacting inferior oblique muscle; all…
Surgical interventions for vertical strabismus in superior oblique palsy (2017) · Cochrane
no estimate extracted1 study · 23 participantsUngraded
Inferior oblique disinsertion vs anterior transposition
Proportion of participants with postoperative surgical success (hypertropia less than 3 PD in primary gaze) · people with unilateral superior oblique palsy
Surgical interventions for vertical strabismus in superior oblique palsy (2017) · Cochrane
no estimate extracted1 study · 22 participantsModerate
Inferior oblique disinsertion vs anterior transposition
Proportion of participants with anomalous head position preoperatively with residual head tilt postoperatively · people with unilateral superior oblique palsy
Surgical interventions for vertical strabismus in superior oblique palsy (2017) · Cochrane
RR 7 [0.4, 121.39]1 study · 22 participantsVery low
Antibiotic vs no treatment
Change in visual acuity · People with toxoplasma retinochoroiditis
Antibiotics versus no treatment for toxoplasma retinochoroiditis (2016) · Cochrane
no estimate extracted1 study · 93 participantsLow
Antibiotic vs no treatment
or more recurrences of retinochoroiditis · People with toxoplasma retinochoroiditis
Antibiotics versus no treatment for toxoplasma retinochoroiditis (2016) · Cochrane
RR 0.26 [0.11, 0.63]3 studies · 227 participantsModerate
Antibiotic vs no treatment
Improvement in intraocular inflammation · People with toxoplasma retinochoroiditis
Antibiotics versus no treatment for toxoplasma retinochoroiditis (2016) · Cochrane
RR 1.76 [0.98, 3.19]1 study · 29 participantsLow
Antibiotic vs no treatment
Size of lesion · People with toxoplasma retinochoroiditis
Antibiotics versus no treatment for toxoplasma retinochoroiditis (2016) · Cochrane
no estimate extractedNRNo studies
Antibiotic vs no treatment
Adverse events · People with toxoplasma retinochoroiditis
Antibiotics versus no treatment for toxoplasma retinochoroiditis (2016) · Cochrane
RR 3 [0.37, 24.17]1 study · 20 participantsLow
Multifocal vs monofocal intraocular lenses after cataract extraction
Unaided distance visual acuity worse than 6/6 · people with cataract
Multifocal versus monofocal intraocular lenses after cataract extraction (2016) · Cochrane
RR 0.96 [0.89, 1.03]8 studies · 682 participantsModerate
Multifocal vs monofocal intraocular lenses after cataract extraction
Corrected distance visual acuity worse than 6/6 · people with cataract
Multifocal versus monofocal intraocular lenses after cataract extraction (2016) · Cochrane
no estimate extractedNRVery low
Multifocal vs monofocal intraocular lenses after cataract extraction
Unaided near visual acuity worse than J3/J4 · people with cataract
Multifocal versus monofocal intraocular lenses after cataract extraction (2016) · Cochrane
RR 0.2 [0.07, 0.58]8 studies · 782 participantsLow
Multifocal vs monofocal intraocular lenses after cataract extraction
Spectacle dependence · people with cataract
Multifocal versus monofocal intraocular lenses after cataract extraction (2016) · Cochrane
RR 0.63 [0.55, 0.73]10 studies · 1000 participantsLow
Multifocal vs monofocal intraocular lenses after cataract extraction
Participant‐reported outcomes: quality of life or visual function · people with cataract
Multifocal versus monofocal intraocular lenses after cataract extraction (2016) · Cochrane
no estimate extracted4 studies · 435 participantsVery low
Multifocal vs monofocal intraocular lenses after cataract extraction
Participant‐reported outcomes: glare · people with cataract
Multifocal versus monofocal intraocular lenses after cataract extraction (2016) · Cochrane
RR 1.41 [1.03, 1.93]7 studies · 544 participantsLow
Multifocal vs monofocal intraocular lenses after cataract extraction
Participant‐reported outcomes: haloes · people with cataract
Multifocal versus monofocal intraocular lenses after cataract extraction (2016) · Cochrane
RR 3.58 [1.99, 6.46]7 studies · 662 participantsModerate
Patching vs no patching
Complete healing after 24 hours · participants with corneal abrasion
Patching for corneal abrasion (2016) · Cochrane
RR 0.89 [0.79, 1]7 studies · 531 participantsLow
Patching vs no patching
Complete healing after 48 hours · participants with corneal abrasion
Patching for corneal abrasion (2016) · Cochrane
RR 0.97 [0.91, 1.02]6 studies · 497 participantsModerate
Patching vs no patching
Complete healing after 72 hours · participants with corneal abrasion
Patching for corneal abrasion (2016) · Cochrane
RR 1.01 [0.97, 1.05]4 studies · 430 participantsModerate
Patching vs no patching
Days to complete healing · participants with corneal abrasion
Patching for corneal abrasion (2016) · Cochrane
MD 0.14 [0, 0.27]6 studies · 642 participantsModerate
Patching vs no patching
Pain at 24 hours · participants with corneal abrasion
Patching for corneal abrasion (2016) · Cochrane
RR 1.51 [0.86, 2.65]2 studies · 193 participantsLow
Patching vs no patching
Quality of life · participants with corneal abrasion
Patching for corneal abrasion (2016) · Cochrane
no estimate extractedNRNo studies
Patching vs no patching
Adverse effects1 · participants with corneal abrasion
Patching for corneal abrasion (2016) · Cochrane
RR 3.24 [0.87, 12.05]8 studies · 660 participantsLow
Patching vs no patching
Change in visual acuity one week from initial presentation · participants with corneal abrasion
Patching for corneal abrasion (2016) · Cochrane
no estimate extracted1 study · 46 participantsUngraded
NSAIDS plus steroids vs steroids
Poor vision due to MO at 3 months after surgery · people having cataract surgery
Prophylactic non‐steroidal anti‐inflammatory drugs for the prevention of macular oedema after cataract surgery (2016) · Cochrane
RR 0.41 [0.23, 0.76]5 studies · 1360 participantsLow
NSAIDS vs steroids
Quality of life at 3 months after surgery · people having cataract surgery
Prophylactic non‐steroidal anti‐inflammatory drugs for the prevention of macular oedema after cataract surgery (2016) · Cochrane
no estimate extractedNRNo studies
NSAIDS vs steroids
Central retinal thickness at 3 months after surgery; · people having cataract surgery
Prophylactic non‐steroidal anti‐inflammatory drugs for the prevention of macular oedema after cataract surgery (2016) · Cochrane
no estimate extracted2 studies · 121 participantsLow
NSAIDS vs steroids
Adverse effects · people having cataract surgery
Prophylactic non‐steroidal anti‐inflammatory drugs for the prevention of macular oedema after cataract surgery (2016) · Cochrane
no estimate extracted4 studies · 488 participantsUngraded
NSAIDS vs steroids
MO at 3 months after cataract surgery; clinically symptomatic · people having cataract surgery
Prophylactic non‐steroidal anti‐inflammatory drugs for the prevention of macular oedema after cataract surgery (2016) · Cochrane
RR 0.27 [0.18, 0.41]5 studies · 520 participantsLow
NSAIDS vs steroids
BCVA at 3 months after surgery; · people having cataract surgery
Prophylactic non‐steroidal anti‐inflammatory drugs for the prevention of macular oedema after cataract surgery (2016) · Cochrane
no estimate extracted3 studies · 220 participantsUngraded
NSAIDS plus steroids vs steroids
Poor vision due to MO at 12 months after surgery · people having cataract surgery
Prophylactic non‐steroidal anti‐inflammatory drugs for the prevention of macular oedema after cataract surgery (2016) · Cochrane
RR 1.32 [0.09, 20.37]1 study · 88 participantsVery low
NSAIDS plus steroids vs steroids
Quality of life at 3 months after surgery · people having cataract surgery
Prophylactic non‐steroidal anti‐inflammatory drugs for the prevention of macular oedema after cataract surgery (2016) · Cochrane
no estimate extracted1 study · 74 participantsUngraded
NSAIDS plus steroids vs steroids
Central retinal thickness at 3 months after surgery; · people having cataract surgery
Prophylactic non‐steroidal anti‐inflammatory drugs for the prevention of macular oedema after cataract surgery (2016) · Cochrane
no estimate extracted8 studies · 1021 participantsUngraded
NSAIDS plus steroids vs steroids
Adverse effects · people having cataract surgery
Prophylactic non‐steroidal anti‐inflammatory drugs for the prevention of macular oedema after cataract surgery (2016) · Cochrane
no estimate extracted18 studies · 18 participantsUngraded
NSAIDS plus steroids vs steroids
MO at 3 months after cataract surgery, clinically symptomatic, · people having cataract surgery
Prophylactic non‐steroidal anti‐inflammatory drugs for the prevention of macular oedema after cataract surgery (2016) · Cochrane
RR 0.421 studies · 3638 participantsLow
NSAIDS plus steroids vs steroids
BCVA at 3 months after surgery; · people having cataract surgery
Prophylactic non‐steroidal anti‐inflammatory drugs for the prevention of macular oedema after cataract surgery (2016) · Cochrane
no estimate extracted10 studies · 1158 participantsUngraded
NSAIDS vs steroids
Poor vision outcome due to MO at 3 months after surgery · people having cataract surgery
Prophylactic non‐steroidal anti‐inflammatory drugs for the prevention of macular oedema after cataract surgery (2016) · Cochrane
no estimate extractedNRNo studies
NSAIDS vs steroids
Poor vision outcome due to MO at 12 months after surgery · people having cataract surgery
Prophylactic non‐steroidal anti‐inflammatory drugs for the prevention of macular oedema after cataract surgery (2016) · Cochrane
no estimate extractedNRNo studies
Statins vs placebo
Change in visual acuity · People aged 50 years or older with age‐related macular degeneration
Statins for age‐related macular degeneration (2016) · Cochrane
no estimate extracted1 study · 30 participantsLow
Statins vs placebo
Onset and progression of AMD · People aged 50 years or older with age‐related macular degeneration
Statins for age‐related macular degeneration (2016) · Cochrane
no estimate extracted1 study · 114 participantsLow
Statins vs placebo
Adverse outcomes · People aged 50 years or older with age‐related macular degeneration
Statins for age‐related macular degeneration (2016) · Cochrane
no estimate extracted1 study · 114 participantsLow
Intervention NR
HSK recurrence in people with corneal graft · People with HED who had corneal graft(s)
Oral antivirals for preventing recurrent herpes simplex keratitis in people with corneal grafts (2016) · Cochrane
RR 0.29 [0.13, 0.64]3 studies · 126 participantsLow
Intervention NR
Graft failure · People with HED who had corneal graft(s)
Oral antivirals for preventing recurrent herpes simplex keratitis in people with corneal grafts (2016) · Cochrane
RR 0.4 [0.16, 0.97]3 studies · 126 participantsLow
Intervention NR
Adverse outcomes · People with HED who had corneal graft(s)
Oral antivirals for preventing recurrent herpes simplex keratitis in people with corneal grafts (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Quality of life · People with HED who had corneal graft(s)
Oral antivirals for preventing recurrent herpes simplex keratitis in people with corneal grafts (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
Comparison (Intervention vs. comparator) · people with dry eye
Over the counter (OTC) artificial tear drops for dry eye syndrome (2016) · Cochrane
no estimate extractedNRNo studies
Intervention NR
PEG 400 vs. HP‐guar · people with dry eye
Over the counter (OTC) artificial tear drops for dry eye syndrome (2016) · Cochrane
no estimate extracted1 study · 40 participantsUngraded