What do systematic reviews say?

Blue light vs white light

Blue light may leads to lower time to disease recurrence (absolute event rates based on 12 months compared with white light (low certainty).

• Blue versus white light for transurethral resection of non‐muscle invasive bladder cancer 2021 · Cochrane Headline outcomes only
  HR 0.66 [0.54, 0.81]
  15 studies · 2994 participants
  Low

Blue light vs white light

Blue light may leads to lower time to disease progression (absolute event rates based on 12 months compared with white light (low certainty).

• Blue versus white light for transurethral resection of non‐muscle invasive bladder cancer 2021 · Cochrane Headline outcomes only
  HR 0.65 [0.5, 0.84]
  9 studies · 2200 participants
  Low

Blue light vs white light

Blue light showed no clear difference in surgical complications, serious (up to 90 days; MCID 2%) compared with white light (low certainty).

• Blue versus white light for transurethral resection of non‐muscle invasive bladder cancer 2021 · Cochrane Headline outcomes only
  RR 0.54 [0.14, 2.14]
  1 study · 525 participants
  Low

Blue light vs white light

Blue light showed no clear difference in time to death from bladder cancer (absolute event rates based on 60… compared with white light (low certainty).

• Blue versus white light for transurethral resection of non‐muscle invasive bladder cancer 2021 · Cochrane Headline outcomes only
  HR 0.55 [0.19, 1.61]
  1 study · 407 participants
  Low

Blue light vs white light

Blue light showed no clear difference in any adverse events (up to 90 days; MCID 5%) compared with white light (low certainty).

• Blue versus white light for transurethral resection of non‐muscle invasive bladder cancer 2021 · Cochrane Headline outcomes only
  RR 1.09 [0.88, 1.33]
  3 studies · 1375 participants
  Low

Blue light vs white light

The review found no eligible studies for this question.

• Blue versus white light for transurethral resection of non‐muscle invasive bladder cancer 2021 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Blue‐light filtering intraocular lenses (IOL) vs non blue‐light filtering IOL

• Blue‐light filtering intraocular lenses (IOLs) for protecting macular health 2018 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 131 participants
  Moderate

Blue‐light filtering intraocular lenses (IOL) vs non blue‐light filtering IOL

• Blue‐light filtering intraocular lenses (IOLs) for protecting macular health 2018 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 63 participants
  Very low

Blue‐light filtering intraocular lenses (IOL) vs non blue‐light filtering IOL

The review found no eligible studies for this question.

• Blue‐light filtering intraocular lenses (IOLs) for protecting macular health 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Blue‐light filtering intraocular lenses (IOL) vs non blue‐light filtering IOL

The review found no eligible studies for this question.

• Blue‐light filtering intraocular lenses (IOLs) for protecting macular health 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Blue‐light filtering intraocular lenses (IOL) vs non blue‐light filtering IOL

The review found no eligible studies for this question.

• Blue‐light filtering intraocular lenses (IOLs) for protecting macular health 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Blue‐light filtering intraocular lenses (IOL) vs non blue‐light filtering IOL

• Blue‐light filtering intraocular lenses (IOLs) for protecting macular health 2018 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 50 participants
  Very low

Blue‐light filtering intraocular lenses (IOL) vs non blue‐light filtering IOL

• Blue‐light filtering intraocular lenses (IOLs) for protecting macular health 2018 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 144 participants
  Very low

Summary of findings 1: blue‐light filtering lenses vs non blue‐light filtering IOL

• Blue‐light filtering spectacle lenses for visual performance, sleep, and macular health in adults 2023 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 120 participants
  Low

Summary of findings 1: blue‐light filtering lenses vs non blue‐light filtering IOL

• Blue‐light filtering spectacle lenses for visual performance, sleep, and macular health in adults 2023 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 120 participants
  Low

Summary of findings 1: blue‐light filtering lenses vs non blue‐light filtering IOL

• Blue‐light filtering spectacle lenses for visual performance, sleep, and macular health in adults 2023 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 156 participants
  Moderate

Summary of findings 1: blue‐light filtering lenses vs non blue‐light filtering IOL

The review found no eligible studies for this question.

• Blue‐light filtering spectacle lenses for visual performance, sleep, and macular health in adults 2023 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Summary of findings 1: blue‐light filtering lenses vs non blue‐light filtering IOL

The review found no eligible studies for this question.

• Blue‐light filtering spectacle lenses for visual performance, sleep, and macular health in adults 2023 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Summary of findings 1: blue‐light filtering lenses vs non blue‐light filtering IOL

• Blue‐light filtering spectacle lenses for visual performance, sleep, and macular health in adults 2023 · Cochrane Headline outcomes only
  no estimate extracted
  6 studies · 148 participants
  Very low

Summary of findings 1: blue‐light filtering lenses vs non blue‐light filtering IOL

Summary of findings 1: blue‐light filtering lenses may leads to lower proportion of participants with adverse events with a probable… compared with non‐blue‐light filtering lenses (low certainty).

• Blue‐light filtering spectacle lenses for visual performance, sleep, and macular health in adults 2023 · Cochrane Headline outcomes only
  no estimate extracted
  9 studies · 333 participants
  Low