TrueDark Twilights Classic
by TrueDark
Deep red evening lens that TrueDark says blocks 99% of blue, green and violet light. No published nm range or curve, and no prescription option.
Specs
| Lens tint | Deep red |
|---|---|
| Published blocking | 99% blue, green, violet (no nm given) |
| Melanopic cut (independent lab) | Not tested |
| Over glasses | Separate Fitovers ($119) |
| Prescription | No |
| Lens material | Polycarbonate, anti-reflective |
| Frame | Polycarbonate, TR90 arms, foam barrier |
| Uv | 99% UVA/UVB (maker) |
Specs from the manufacturer and the sources listed below. Last verified Oct 20, 2026.
Good
- Deep red lens aimed at green as well as blue light, with a foam barrier to cut side light
- Separate Twilights Fitovers ($119) wrap around with side shields for glasses wearers
- Scratch-resistant, anti-reflective polycarbonate lenses and flexible TR90 arms
Not so good
- No nm range or transmission curve published, so the 99% claim can't be checked
- No prescription option for Twilights
- $159 is the highest non-prescription price here
- Cites EEG data on brainwaves without linking a published paper
TrueDark sells Twilights as its evening lens. The Classic is a sport-style frame with a foam barrier around the lens and a deep red polycarbonate lens that TrueDark says blocks 99% of blue, green and violet light, plus 99% of UVA and UVB. It has an anti-reflective coating and flexible TR90 arms.
The problem is verification. TrueDark publishes no nanometer range and no transmission curve, and no independent measurement has been published. Red tints as a group passed the least circadian-active light in a 2022 test of 50 lenses, but without data there’s no way to say where this lens sits or how dark the view is. TrueDark’s site also cites EEG data on brainwaves without linking a paper.
There is no prescription version of Twilights. TrueDark’s prescription service covers only its Daylights lens. If you wear glasses, the Twilights Fitovers ($119) go over your own frames in a wraparound acetate frame with side shields.
At $159 the Classic costs more than Sleep Swannies or the Bon Charge Morris, which both publish transmission data and offer prescription lenses. It ranks last here for that reason, not because the lens is known to be weak. Published lab data would move it up.
Sources
Alternatives
- Best overallSwanwick Sleep Swannies Classic$130
- Best budgetUvex Skyper SCT-Orange (S1933X)$16
- Best fit-overSwanwick Sleep Swannies Fitover$160
- EMR-TEK NYX Blue Light Blocking Glasses$100