Swanwick (Swannies)
Three named lens tiers (Focus day, Relax evening, Sleep night) plus a magnetic interchangeable "Circadian" snap-on frame
WELLNESS
Marketed as a general wellness device. Not FDA cleared, approved, or evaluated for any medical claim.
Key facts at a glance.
- Founded
- 2015
- Headquarters
- Los Angeles, USA
- Price range
- $99–$250
The real price over three years.
Total cost of ownership · 3yr
| Hardwareone-time | $99 |
| 3-year total | $99 |
What the device does.
- + Three lens tiers — Focus (near-clear daytime), Relax (amber evening), Sleep (deep amber/red night)
- + Sleep lens stated by the brand to block ~99% of blue-weighted light (400-500 nm)
- + Circadian Snap-On magnetic system ships all three lens types in one frame
- + Fitover (wear-over-Rx), readers, and kids options
- + Prescription-grade CR-39 lenses in acetate frames
The trade-offs.
- + Clear three-tier system — Focus (day), Relax (evening), Sleep (night) — maps lenses to time of day
- + Sleep lens is a genuine deep amber/red night lens (brand states ~99% block of 400-500 nm blue light)
- + Circadian Snap-On frame bundles all three lenses magnetically in one pair
- + Fitover, readers and kids options widen the range
- − Blue-light-glasses evidence is limited and mixed (2023 Cochrane; the AAO doesn't endorse them for eye strain)
- − Premium pricing — roughly $130-160 a pair, up to ~$250 for the snap-on system
- − Blocking percentages are published mainly for the Sleep lens, not Focus or Relax
- − Brand-cited studies don't amount to proof of a sleep benefit
People who want a tiered day/evening/night blue-light glasses system, especially for evening wind-down
The long read.
§ Hands-on instrument testing pending. Based on published specifications and third-party data.
Overview
Swanwick — its glasses are nicknamed “Swannies” — is an LA-based brand (founded 2015) built around a three-tier lens system: Focus (near-clear, daytime), Relax (amber, evening), and Sleep (deep amber/red, night). It’s one of the more coherent ways to think about blue-light eyewear, because it ties the lens to the time of day rather than selling one pair for everything.
How the tiers map to use
- Focus (day): lightly tinted, aimed at screen comfort. This is the use case with the weakest evidence (see below).
- Relax (evening): amber lens for the hours after sunset, trimming short-wavelength light while keeping color reasonable.
- Sleep (night): deep amber/red lens for the 2-3 hours before bed; Swanwick states it blocks ~99% of blue-weighted light across 400-500 nm. This is the tier with a real circadian rationale.
The Circadian Snap-On frame is the neat trick: a magnetic system that ships all three lenses in one pair, so you swap tints through the day.
The evidence, honestly
We won’t repeat “improve your sleep” as a guaranteed outcome or present Swanwick’s university and SleepScore citations as proof. A 2023 Cochrane review found blue-light lenses unlikely to reduce digital eye strain, and the American Academy of Ophthalmology doesn’t recommend them for screen use. The evening/night case is more defensible — reducing short-wavelength light before bed may support melatonin timing — but the clinical evidence is limited, and habits (dimming screens, morning daylight) likely matter more than any lens.
Price
Roughly $130-160 per pair, with the Circadian Snap-On system up to ~$250. That’s premium; the justification is the tiered lens design and the snap-on convenience, not proven outcomes.
Verdict: Not yet tested
We haven’t measured Swannies’ lens transmission, so no recommendation yet. As an evening/night amber-red system from an established sleep-focused brand, it’s a reasonable low-risk pick — buy the Sleep tier for the wind-down ritual, and treat the daytime Focus claims with skepticism.
How we’ll assess it
If we test it, we’ll measure transmission across the visible spectrum for each tier and compare the Sleep lens against other amber/red night lenses. See our methodology.
Sources
- Singh S, et al. Blue-light filtering spectacle lenses for visual performance, sleep, and macular health in adults. Cochrane Database of Systematic Reviews, 2023 (17 RCTs).
- American Academy of Ophthalmology. Are Blue Light-Blocking Glasses Worth It?
Changelog
- 2026-06-16: Initial listing. Not yet tested; led with the Cochrane/AAO evidence and separated the daytime from the evening/night use case.
- 2026-06-30: Linked the Cochrane and AAO evidence inline and added a Sources section.
Common questions.
- How much does Swanwick (Swannies) cost?
- Swanwick (Swannies) costs $99–$250.
- Does Swanwick (Swannies) require a subscription?
- No. Swanwick (Swannies) does not require a subscription — there is no mandatory recurring fee to keep using it.