Cochrane · systematic review · CD013244
Blue‐light filtering spectacle lenses for visual performance, sleep, and macular health in adults
Singh, S, Keller, PR, Busija, L, et al. · Cochrane Database of Systematic Reviews · 2023 · Cochrane Library
Eyes and VisionAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
7
current version
GRADE rated
5
No studies
2
Included studies
NR
No studies 2 · 28.6%Ungraded 0 · 0%Very low 1 · 14.3%Low 3 · 42.9%Moderate 1 · 14.3%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.
Questions and results
Summary of findings 1: blue‐light filtering lenses compared to non‐blue‐light filtering lenses
Population: adults
| Outcome | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Visual fatigue score, measured using a Likert scale or VAS, with Summary of findings 1: blue‐light filtering lenses vs non‐blue‐light filtering lenses | no estimate extracted | 1 study · 120 participants | Low Downgraded: risk of bias, imprecision, inconsistency |
CFF, measured in Hz, with a Summary of findings 1: blue‐light filtering lenses vs non‐blue‐light filtering lenses | no estimate extracted | 1 study · 120 participants | Low Downgraded: risk of bias, imprecision, inconsistency |
BCVA, measured in log units, with Summary of findings 1: blue‐light filtering lenses vs non‐blue‐light filtering lenses | no estimate extracted | 1 study · 156 participants | Moderate Downgraded: risk of bias, imprecision, inconsistency |
Proportion of eyes or individuals that developed macular structural changes Summary of findings 1: blue‐light filtering lenses vs non‐blue‐light filtering lenses | no estimate extracted | NR | No studies |
Colour discrimination, measured using the FM‐100 hue test Summary of findings 1: blue‐light filtering lenses vs non‐blue‐light filtering lenses | no estimate extracted | NR | No studies |
Subjective sleep scores, measured using a VAS or Likert scale, with Summary of findings 1: blue‐light filtering lenses vs non‐blue‐light filtering lenses | no estimate extracted | 6 studies · 148 participants | Very low Downgraded: risk of bias, imprecision, inconsistency |
Proportion of participants with adverse events with a probable causal linked with the study intervention Summary of findings 1: blue‐light filtering lenses vs non‐blue‐light filtering lenses | no estimate extracted | 9 studies · 333 participants | Low Downgraded: risk of bias, imprecision, inconsistency |