Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

317 questions · 322 findings · 62 reviews · Eyes and Vision

No studies found 94 · 29.2%GRADE not reported 15 · 4.7%Very low 63 · 19.6%Low 91 · 28.3%Moderate 45 · 14%High 14 · 4.3%

Vitamin A and fish oils (docosahexaenoic acid) vs placebo, vitamins, or no treatment

Visual acuitychange in logMAR visual acuity, may be reported as ETDRS · retinitis pigmentosa

It is very uncertain whether vitamin A and fish oils (docosahexaenoic acid) changes visual acuitychange in logMAR visual acuity, may be reported as ETDRS compared with placebo, vitamins (including vitamin A), or no therapy (very low certainty).

1 finding from 1 review

Intervention not reported

Fear of falling scores at 6 months Assessed by Short Falls Efficacy Scale‐International · older adults (aged 60 and over) with irreversible visual impairment

The intervention showed no clear difference in fear of falling scores at 6 months Assessed by Short Falls Efficacy… (low certainty).

1 finding from 1 review

Intervention not reported

Quality of life at 6 months Assessed by 12‐Item Short Form Health Survey · older adults (aged 60 and over) with irreversible visual impairment

The intervention showed no clear difference in quality of life at 6 months Assessed by 12‐Item Short Form Health… (low certainty).

1 finding from 1 review

Intervention not reported

Physical activity at 6 months Assessed by self‐reported physical activity · older adults (aged 60 and over) with irreversible visual impairment

The intervention showed no clear difference in physical activity at 6 months Assessed by self‐reported physical… (low certainty).

1 finding from 1 review

Intervention not reported

Fear of falling scores at 6 months Assessed by Short Falls Efficacy Scale‐International · older adults (aged 60 and over) with irreversible visual impairment

The intervention showed no clear difference in fear of falling scores at 6 months Assessed by Short Falls Efficacy… (low certainty).

1 finding from 1 review

Intervention not reported

Quality of life at 6 months Assessed by European Quality of Life‐15 · older adults (aged 60 and over) with irreversible visual impairment

The intervention showed no clear difference in quality of life at 6 months Assessed by European Quality of Life‐15 (low certainty).

1 finding from 1 review