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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.
587 questions in 116 reviews · Eyes and Vision
current versionsNo studies 587 · 100%Ungraded 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 0 · 0%High 0 · 0%
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.
| Question | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Extended targeted PRP vs standard PRP Progression of DR ‐ not reported · people with diabetic retinopathy Different lasers and techniques for proliferative diabetic retinopathy (2018) · Cochrane | no estimate extracted | NR | No studies |
Extended targeted PRP vs standard PRP Pain during laser treatment ‐ not reported · people with diabetic retinopathy Different lasers and techniques for proliferative diabetic retinopathy (2018) · Cochrane | no estimate extracted | NR | No studies |
Extended targeted PRP vs standard PRP Vision‐related QoL ‐ not reported · people with diabetic retinopathy Different lasers and techniques for proliferative diabetic retinopathy (2018) · Cochrane | no estimate extracted | NR | No studies |
Nd:YAG laser vs argon‐green laser Vision‐related QoL ‐ not reported · people with proliferative diabetic retinopathy Different lasers and techniques for proliferative diabetic retinopathy (2018) · Cochrane | no estimate extracted | NR | No studies |
Beta‐carotene vs placebo Quality of life · general population Antioxidant vitamin and mineral supplements for preventing age‐related macular degeneration (2017) · Cochrane | no estimate extracted | NR | No studies |
Beta‐carotene vs placebo Resource use and costs · general population Antioxidant vitamin and mineral supplements for preventing age‐related macular degeneration (2017) · Cochrane | no estimate extracted | NR | No studies |
Vitamin C vs placebo Neovascular AMD · general population Antioxidant vitamin and mineral supplements for preventing age‐related macular degeneration (2017) · Cochrane | no estimate extracted | NR | No studies |
Vitamin C vs placebo Geographic atrophy · general population Antioxidant vitamin and mineral supplements for preventing age‐related macular degeneration (2017) · Cochrane | no estimate extracted | NR | No studies |
Vitamin C vs placebo Quality of life · general population Antioxidant vitamin and mineral supplements for preventing age‐related macular degeneration (2017) · Cochrane | no estimate extracted | NR | No studies |
Vitamin C vs placebo Adverse effects · general population Antioxidant vitamin and mineral supplements for preventing age‐related macular degeneration (2017) · Cochrane | no estimate extracted | NR | No studies |
Vitamin C vs placebo Resource use and costs · general population Antioxidant vitamin and mineral supplements for preventing age‐related macular degeneration (2017) · Cochrane | no estimate extracted | NR | No studies |
Multivitamin vs placebo Neovascular AMD · general population Antioxidant vitamin and mineral supplements for preventing age‐related macular degeneration (2017) · Cochrane | no estimate extracted | NR | No studies |
Multivitamin vs placebo Geographic atrophy · general population Antioxidant vitamin and mineral supplements for preventing age‐related macular degeneration (2017) · Cochrane | no estimate extracted | NR | No studies |
Multivitamin vs placebo Quality of life · general population Antioxidant vitamin and mineral supplements for preventing age‐related macular degeneration (2017) · Cochrane | no estimate extracted | NR | No studies |
Multivitamin vs placebo Resource use and costs · general population Antioxidant vitamin and mineral supplements for preventing age‐related macular degeneration (2017) · Cochrane | no estimate extracted | NR | No studies |
Vitamin E vs placebo Quality of life · general population Antioxidant vitamin and mineral supplements for preventing age‐related macular degeneration (2017) · Cochrane | no estimate extracted | NR | No studies |
Vitamin E vs placebo Resource use and costs · general population Antioxidant vitamin and mineral supplements for preventing age‐related macular degeneration (2017) · Cochrane | no estimate extracted | NR | No studies |
Ahmed implant vs Baerveldt implant Mean change in visual field score from baseline at 1‐year · People with glaucoma Aqueous shunts for glaucoma (2017) · Cochrane | no estimate extracted | NR | No studies |
Ahmed implant vs Baerveldt implant Adverse events up to 1‐year · People with glaucoma Aqueous shunts for glaucoma (2017) · Cochrane | no estimate extracted | NR | No studies |
Ahmed implant vs Baerveldt implant Quality of life at 1‐year · People with glaucoma Aqueous shunts for glaucoma (2017) · Cochrane | no estimate extracted | NR | No studies |
Ahmed implant vs Molteno implant Outcomes* · People with glaucoma Aqueous shunts for glaucoma (2017) · Cochrane | no estimate extracted | NR | No studies |
Ahmed implant vs Molteno implant Proportion needing additional glaucoma surgery at 1‐year · People with glaucoma Aqueous shunts for glaucoma (2017) · Cochrane | no estimate extracted | NR | No studies |
Ahmed implant vs Molteno implant Adverse events up to 1‐year · People with glaucoma Aqueous shunts for glaucoma (2017) · Cochrane | no estimate extracted | NR | No studies |
Ahmed implant vs Molteno implant Quality of life at 1‐year · People with glaucoma Aqueous shunts for glaucoma (2017) · Cochrane | no estimate extracted | NR | No studies |
Molteno implant vs Schocket shunt Outcomes* · People with glaucoma Aqueous shunts for glaucoma (2017) · Cochrane | no estimate extracted | NR | No studies |
Molteno implant vs Schocket shunt Mean logMAR visual acuity at 1‐year · People with glaucoma Aqueous shunts for glaucoma (2017) · Cochrane | no estimate extracted | NR | No studies |
Molteno implant vs Schocket shunt Mean change in visual field score from baseline at 1‐year · People with glaucoma Aqueous shunts for glaucoma (2017) · Cochrane | no estimate extracted | NR | No studies |
Molteno implant vs Schocket shunt Mean number of antiglaucoma medications at 1‐year · People with glaucoma Aqueous shunts for glaucoma (2017) · Cochrane | no estimate extracted | NR | No studies |
Molteno implant vs Schocket shunt Proportion needing additional glaucoma surgery at 1‐year · People with glaucoma Aqueous shunts for glaucoma (2017) · Cochrane | no estimate extracted | NR | No studies |
Molteno implant vs Schocket shunt Adverse events up to 1‐year · People with glaucoma Aqueous shunts for glaucoma (2017) · Cochrane | no estimate extracted | NR | No studies |
Molteno implant vs Schocket shunt Quality of life at 1‐year · People with glaucoma Aqueous shunts for glaucoma (2017) · Cochrane | no estimate extracted | NR | No studies |
Aqueous shunts vs trabeculectomy Quality of life at 1‐year · People with glaucoma Aqueous shunts for glaucoma (2017) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Comparison (intervention vs comparator) · participants undergoing cataract surgery Perioperative antibiotics for prevention of acute endophthalmitis after cataract surgery (2017) · Cochrane | no estimate extracted | NR | No studies |
Intervention NR Interventions · participants undergoing cataract surgery Perioperative antibiotics for prevention of acute endophthalmitis after cataract surgery (2017) · Cochrane | no estimate extracted | NR | No studies |
Neuroprotection vs control Outcomes* · adults with open angle glaucoma Neuroprotection for treatment of glaucoma in adults (2017) · Cochrane | no estimate extracted | NR | No studies |
Neuroprotection vs control Visual acuity: the proportion of participants with loss of visual acuity at 4 years' · adults with open angle glaucoma Neuroprotection for treatment of glaucoma in adults (2017) · Cochrane | no estimate extracted | NR | No studies |
Neuroprotection vs control Vertical cup‐disc ratio: the proportion of participants with asymmetrical vertical cup‐disc ratio greater than 0.3 at 4 years' · adults with open angle glaucoma Neuroprotection for treatment of glaucoma in adults (2017) · Cochrane | no estimate extracted | NR | No studies |
Neuroprotection vs control Quality of life measures · adults with open angle glaucoma Neuroprotection for treatment of glaucoma in adults (2017) · Cochrane | no estimate extracted | NR | No studies |
Neuroprotection vs control Economic data · adults with open angle glaucoma Neuroprotection for treatment of glaucoma in adults (2017) · Cochrane | no estimate extracted | NR | No studies |
Immediate cataract surgery vs delayed cataract surgery Complications · people with cataract and age‐related macular degeneration Surgery for cataracts in people with age‐related macular degeneration (2017) · Cochrane | no estimate extracted | NR | No studies |
Summary of findings: punctal plugs vs oral pilocarpine Tear film stability · adults with dry eye syndrome Punctal occlusion for dry eye syndrome (2017) · Cochrane | no estimate extracted | NR | No studies |
Summary of findings: punctal plugs vs oral pilocarpine Artificial tear use · adults with dry eye syndrome Punctal occlusion for dry eye syndrome (2017) · Cochrane | no estimate extracted | NR | No studies |
Summary of findings: punctal plugs vs artificial tears Artificial tear use · adults with dry eye syndrome Punctal occlusion for dry eye syndrome (2017) · Cochrane | no estimate extracted | NR | No studies |
Summary of findings: punctal plugs in the upper vs lower puncta Symptomatic improvement · adults with dry eye syndrome Punctal occlusion for dry eye syndrome (2017) · Cochrane | no estimate extracted | NR | No studies |
Summary of findings: punctal plugs in the upper vs lower puncta Ocular surface staining · adults with dry eye syndrome Punctal occlusion for dry eye syndrome (2017) · Cochrane | no estimate extracted | NR | No studies |
Summary of findings: punctal plugs in the upper vs lower puncta Aqueous tear production · adults with dry eye syndrome Punctal occlusion for dry eye syndrome (2017) · Cochrane | no estimate extracted | NR | No studies |
Summary of findings: punctal plugs in the upper vs lower puncta Tear film stability · adults with dry eye syndrome Punctal occlusion for dry eye syndrome (2017) · Cochrane | no estimate extracted | NR | No studies |
Summary of findings: punctal plugs in the upper vs lower puncta Artificial tear use · adults with dry eye syndrome Punctal occlusion for dry eye syndrome (2017) · Cochrane | no estimate extracted | NR | No studies |
Summary of findings: intracanalicular vs silicone punctal plugs Aqueous tear production · adults with dry eye syndrome Punctal occlusion for dry eye syndrome (2017) · Cochrane | no estimate extracted | NR | No studies |
Summary of findings: intracanalicular vs silicone punctal plugs Tear film stability · adults with dry eye syndrome Punctal occlusion for dry eye syndrome (2017) · Cochrane | no estimate extracted | NR | No studies |