Ultralight TR Blue Light Glasses – Red Lens for the Last Hour Before Bed

Your body starts making melatonin about two hours before you sleep. Or it would, if your eyes would let it.

Melatonin is your body's "it's night" signal. In a natural light environment, it starts rising a couple of hours before you go to bed and peaks while you're asleep. In a modern one — with overhead LEDs, phone screens, laptops, and TVs all emitting blue and green wavelengths — that release gets suppressed, sometimes for hours. This is the deepest of our three tints. Put them on in the final stretch of your night and the world dims to a warm amber. Your phone stops looking like a sunlamp. The signal your circadian system was waiting for finally comes through.

The science, briefly

Blue light in the evening suppresses melatonin release — a mechanism documented in circadian-rhythm and sleep research for over two decades. It's why bright screens keep you wired at 11 p.m. even when you feel tired. The deeper a lens tint sits on the amber-to-red spectrum, the wider the range of wavelengths it filters, and the closer your evening light environment comes to what your body actually expects at that hour.

Why the red tier

• Deepest tint of the three lenses — engineered for the final 60–90 minutes before bed, when your melatonin window is most vulnerable to interruption
• Filters the widest range of visible-spectrum light — including the green wavelengths that lighter amber tints miss
• Ultralight TR-90 frames — flexible, springy, and near-weightless, so they don't press on your temples during your last quiet hour
• The final step in the three-lens system — pairs with the Yellow lens by day and the Orange lens through the evening

How to wear them

Put them on 60–90 minutes before you plan to sleep. Wear them for the last stretch of scrolling, reading, watching, or getting ready for bed — through whatever ambient lights and screens are still on in the room. Take them off when you climb into bed. Consistency matters more than perfection; a nightly hour is more useful than an occasional three.

Questions, answered

Why does blue light matter more at night?
During the day, blue light is fine — it helps you feel alert, which is what your circadian system wants. In the evening, that same wavelength tells your brain "still daytime," which delays the melatonin release your body should be starting.

Won't Night Shift or f.lux on my devices do the same thing?
Screen-tint software helps, but it only affects one screen. The red lens filters every light source your eyes take in — the TV in the corner, the overhead bulb, the lamp across the room. It's the difference between filtering one input and filtering the whole environment.

Can I still watch TV or read a book with these on?
Yes. The tint is deep, and the room reads as amber-red for a few minutes until your eyes settle — then everything stays legible. Books, dim TV shows, phone screens, and conversation all work as normal.

Do they fit over prescription glasses?
No — these are standalone frames, not fit-overs. Wear them in place of your prescription glasses in the last hour before bed.

Details

Ultralight TR-90 flexible frame · deep red-tinted lens filters the widest portion of visible-spectrum light, including blue and green wavelengths · designed for the final 60–90 minutes before bed · unisex fit · available in Onyx and Cloud Gray.

Orders ship from Canada within 1–2 business days. FREE standard shipping. Not feeling it? Return unused tools within 30 nights for a full refund.

Wipe the lens gently with the included microfiber cloth. Avoid solvents, alcohol, and abrasive cleaners — those can strip the lens coating over time. Store folded in the case between wears.