Morning exposure to deep red light improves declining eyesight
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2007–2026One slot for every year since HN launched. Height is that year's peak points; orange marks a 100+ point or 50+ comment breakout. Select a bar to open its strongest thread.
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HN comment orderTLDR: it affect every cells of the body, not just the retina, mitochondria need infrared (just like we need UV for vid-D) I healed my eczema with red light (infrared heater) It turn out that infrared is needed by all our cells to get rid of inflammation. We are in an epidemic of autoimmune diseases partially caused by the lack of infrared. The spectrum of halogen lights is continuous and closer to what we would get outside. Tungsten bulbs are…
There are more than 1000 similar papers on red and near infrared. All pointing to its impact on mitochondria. Near Infrared (NIR) penetrates few cm, leading to its mitochondrial impact in muscle cells too. https://scholar.google.com/scholar?hl=en&as_sdt=0,5&q=near+i...
The first top-level comment from each of the four biggest threads, in HN’s own order. Excerpts are shortened; open a comment for full context.
- Breakout years
- 2
- Total points
- 752
- Total comments
- 435
100+ points or 50+ comments
reference only — not used in Hall rules or ranking
reference only — not used in Hall rules or ranking
Every submission
| Date | Title as submitted | By | Points | Comments |
|---|---|---|---|---|
| 2021-12-01 | Weeklong improved colour contrasts sensitivity after single 670 nm exposures | pps | 2 | 0 |
| 2023-02-01 | Morning exposure to deep red light improves declining eyesightFirst breakout · Best thread | elsewhen | 417 | 212 |
| 2025-02-16 | 670nm red light exposure improved aged mitochondrial function, colour visionLatest 20+ point return | walterbell | 333 | 223 |