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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 |
|---|---|---|---|
IStent (or iStent inject) vs medical therapy Health‐related quality of life · open‐angle glaucoma Ab interno trabecular bypass surgery with iStent for open‐angle glaucoma (2019) · Cochrane | no estimate extracted | NR | No studies |
IStent in combination with phacoemulsification vs phacoemulsification alone Health‐related quality of life · open‐angle glaucoma Ab interno trabecular bypass surgery with iStent for open‐angle glaucoma (2019) · Cochrane | no estimate extracted | NR | No studies |
IStent in combination with phacoemulsification vs phacoemulsification alone Intraoperative complications · open‐angle glaucoma Ab interno trabecular bypass surgery with iStent for open‐angle glaucoma (2019) · Cochrane | no estimate extracted | NR | No studies |
IStent (or iStent inject) vs medical therapy Mean change in number of IOP‐lowering drops from baseline · open‐angle glaucoma Ab interno trabecular bypass surgery with iStent for open‐angle glaucoma (2019) · Cochrane | no estimate extracted | NR | No studies |
Phototherapeutic keratectomy vs alcohol delamination Adverse effects: astigmatism · people with recurrent corneal erosion syndrome without previous surgical intervention Interventions for recurrent corneal erosions (2018) · Cochrane | no estimate extracted | NR | No studies |
Diamond burr superficial keratectomy (after epithelial debridement) vs sham diamond burr (after epithelial debridement) Resolution of symptoms after treatment · people with recurrent corneal erosion syndrome without other corneal basement membrane dystrophy Interventions for recurrent corneal erosions (2018) · Cochrane | no estimate extracted | NR | No studies |
Diamond burr superficial keratectomy (after epithelial debridement) vs sham diamond burr (after epithelial debridement) Recurrences requiring further treatment · people with recurrent corneal erosion syndrome without other corneal basement membrane dystrophy Interventions for recurrent corneal erosions (2018) · Cochrane | no estimate extracted | NR | No studies |
Diamond burr superficial keratectomy (after epithelial debridement) vs sham diamond burr (after epithelial debridement) Symptoms (pain score) · people with recurrent corneal erosion syndrome without other corneal basement membrane dystrophy Interventions for recurrent corneal erosions (2018) · Cochrane | no estimate extracted | NR | No studies |
Therapeutic contact lens vs topical lubrication Time to recurrence · people with recurrent corneal erosion syndrome without previous surgical intervention Interventions for recurrent corneal erosions (2018) · Cochrane | no estimate extracted | NR | No studies |
Therapeutic contact lens vs topical lubrication Recurrences requiring further treatment · people with recurrent corneal erosion syndrome without previous surgical intervention Interventions for recurrent corneal erosions (2018) · Cochrane | no estimate extracted | NR | No studies |
Therapeutic contact lens vs topical lubrication Adverse effects: astigmatism · people with recurrent corneal erosion syndrome without previous surgical intervention Interventions for recurrent corneal erosions (2018) · Cochrane | no estimate extracted | NR | No studies |
Hand‐held mouse‐based electronic device vs optical device Quality of life · adults with low vision Reading aids for adults with low vision (2018) · Cochrane | no estimate extracted | NR | No studies |
Hand‐held mouse‐based electronic device vs optical device Adverse outcomes · adults with low vision Reading aids for adults with low vision (2018) · Cochrane | no estimate extracted | NR | No studies |
Hand‐held (not mouse‐based) electronic device plus optical device vs optical device Reading duration · adults with low vision Reading aids for adults with low vision (2018) · Cochrane | no estimate extracted | NR | No studies |
Hand‐held (not mouse‐based) electronic device plus optical device vs optical device Reading acuity · adults with low vision Reading aids for adults with low vision (2018) · Cochrane | no estimate extracted | NR | No studies |
Hand‐held (not mouse‐based) electronic device plus optical device vs optical device Adverse outcomes · adults with low vision Reading aids for adults with low vision (2018) · Cochrane | no estimate extracted | NR | No studies |
Stand‐mounted closed circuit television (CCTV) plus visual rehabilitation vs visual rehabilitation alone Reading duration · adults with low vision Reading aids for adults with low vision (2018) · Cochrane | no estimate extracted | NR | No studies |
Stand‐mounted closed circuit television (CCTV) plus visual rehabilitation vs visual rehabilitation alone Reading acuity · adults with low vision Reading aids for adults with low vision (2018) · Cochrane | no estimate extracted | NR | No studies |
Stand‐mounted closed circuit television (CCTV) plus visual rehabilitation vs visual rehabilitation alone Ease and frequency of use · adults with low vision Reading aids for adults with low vision (2018) · Cochrane | no estimate extracted | NR | No studies |
Stand‐mounted closed circuit television (CCTV) plus visual rehabilitation vs visual rehabilitation alone Adverse outcomes · adults with low vision Reading aids for adults with low vision (2018) · Cochrane | no estimate extracted | NR | No studies |
Stand‐mounted closed circuit television (CCTV) vs head‐mounted electronic device (HMD) Reading duration · adults with low vision Reading aids for adults with low vision (2018) · Cochrane | no estimate extracted | NR | No studies |
Stand‐mounted closed circuit television (CCTV) vs head‐mounted electronic device (HMD) Quality of life · adults with low vision Reading aids for adults with low vision (2018) · Cochrane | no estimate extracted | NR | No studies |
Stand‐mounted closed circuit television (CCTV) vs optical device Reading acuity · adults with low vision Reading aids for adults with low vision (2018) · Cochrane | no estimate extracted | NR | No studies |
Stand‐mounted closed circuit television (CCTV) vs head‐mounted electronic device (HMD) Adverse outcomes · adults with low vision Reading aids for adults with low vision (2018) · Cochrane | no estimate extracted | NR | No studies |
Stand‐mounted closed circuit television (CCTV) vs hand‐held mouse‐based electronic device (HHD) Reading acuity · adults with low vision Reading aids for adults with low vision (2018) · Cochrane | no estimate extracted | NR | No studies |
Stand‐mounted closed circuit television (CCTV) vs hand‐held mouse‐based electronic device (HHD) Ease and frequency of use · adults with low vision Reading aids for adults with low vision (2018) · Cochrane | no estimate extracted | NR | No studies |
Stand‐mounted closed circuit television (CCTV) vs hand‐held mouse‐based electronic device (HHD) Quality of life · adults with low vision Reading aids for adults with low vision (2018) · Cochrane | no estimate extracted | NR | No studies |
Stand‐mounted closed circuit television (CCTV) vs hand‐held mouse‐based electronic device (HHD) Adverse outcomes · adults with low vision Reading aids for adults with low vision (2018) · Cochrane | no estimate extracted | NR | No studies |
Prism spectacles vs conventional spectacles Reading duration · adults with low vision (people with AMD) Reading aids for adults with low vision (2018) · Cochrane | no estimate extracted | NR | No studies |
Prism spectacles vs conventional spectacles Ease and frequency of use · adults with low vision (people with AMD) Reading aids for adults with low vision (2018) · Cochrane | no estimate extracted | NR | No studies |
Prism spectacles vs conventional spectacles Adverse outcomes · adults with low vision (people with AMD) Reading aids for adults with low vision (2018) · Cochrane | no estimate extracted | NR | No studies |
Stand‐mounted closed circuit television (CCTV) vs optical device Quality of life · adults with low vision Reading aids for adults with low vision (2018) · Cochrane | no estimate extracted | NR | No studies |
Stand‐mounted closed circuit television (CCTV) vs optical device Adverse outcomes · adults with low vision Reading aids for adults with low vision (2018) · Cochrane | no estimate extracted | NR | No studies |
Hand‐held mouse‐based electronic device vs optical device Reading acuity · adults with low vision Reading aids for adults with low vision (2018) · Cochrane | no estimate extracted | NR | No studies |
Adjustable vs non‐adjustable sutures Number and type of postoperative complications/adverse effects · people with strabismus Adjustable versus non‐adjustable sutures for strabismus (2018) · Cochrane | no estimate extracted | NR | No studies |
Adjustable vs non‐adjustable sutures Resource use and costs · people with strabismus Adjustable versus non‐adjustable sutures for strabismus (2018) · Cochrane | no estimate extracted | NR | No studies |
Adjustable vs non‐adjustable sutures Participant satisfaction · people with strabismus Adjustable versus non‐adjustable sutures for strabismus (2018) · Cochrane | no estimate extracted | NR | No studies |
Free spectacles vs no free spectacles (prescription only) Uncorrected visual acuity deficit due to refractive error · school‐age children and adolescents Vision screening for correctable visual acuity deficits in school‐age children and adolescents (2018) · Cochrane | no estimate extracted | NR | No studies |
Educational intervention vs no educational intervention Visual acuity deficit due causes other than refractive error · school‐age children and adolescents Vision screening for correctable visual acuity deficits in school‐age children and adolescents (2018) · Cochrane | no estimate extracted | NR | No studies |
Educational intervention vs no educational intervention Quality of life · school‐age children and adolescents Vision screening for correctable visual acuity deficits in school‐age children and adolescents (2018) · Cochrane | no estimate extracted | NR | No studies |
Educational intervention vs no educational intervention Cost · school‐age children and adolescents Vision screening for correctable visual acuity deficits in school‐age children and adolescents (2018) · Cochrane | no estimate extracted | NR | No studies |
Educational intervention vs no educational intervention Adverse effects · school‐age children and adolescents Vision screening for correctable visual acuity deficits in school‐age children and adolescents (2018) · Cochrane | no estimate extracted | NR | No studies |
Ready‐made vs custom‐made spectacles Uncorrected visual acuity deficit due to refractive error · school‐age children and adolescents Vision screening for correctable visual acuity deficits in school‐age children and adolescents (2018) · Cochrane | no estimate extracted | NR | No studies |
Ready‐made vs custom‐made spectacles Visual acuity deficit due to causes other than refractive error · school‐age children and adolescents Vision screening for correctable visual acuity deficits in school‐age children and adolescents (2018) · Cochrane | no estimate extracted | NR | No studies |
Free spectacles vs no free spectacles (prescription only) Uncorrected visual acuity deficit due to refractive error · school‐age children and adolescents Vision screening for correctable visual acuity deficits in school‐age children and adolescents (2018) · Cochrane | no estimate extracted | NR | No studies |
Ready‐made vs custom‐made spectacles Cost · school‐age children and adolescents Vision screening for correctable visual acuity deficits in school‐age children and adolescents (2018) · Cochrane | no estimate extracted | NR | No studies |
Free spectacles vs no free spectacles (prescription only) Visual acuity deficit due causes other than refractive error · school‐age children and adolescents Vision screening for correctable visual acuity deficits in school‐age children and adolescents (2018) · Cochrane | no estimate extracted | NR | No studies |
Educational intervention vs no educational intervention Uncorrected visual acuity deficit due to refractive error · school‐age children and adolescents Vision screening for correctable visual acuity deficits in school‐age children and adolescents (2018) · Cochrane | no estimate extracted | NR | No studies |
Educational intervention vs no educational intervention Uncorrected visual acuity deficit due to refractive error · school‐age children and adolescents Vision screening for correctable visual acuity deficits in school‐age children and adolescents (2018) · Cochrane | no estimate extracted | NR | No studies |
Single herb plus conventional intervention vs conventional intervention Progression of retinopathy · people with diabetic retinopathy Single herbal medicine for diabetic retinopathy (2018) · Cochrane | no estimate extracted | NR | No studies |