Comfort That Lasts All Day
~100%
100% UV blocked · frames you forget you're wearing
Loved by Our Customers
Ember Day
☼ Day
Free shipping
Lens:
Day
DayFocus
EveningRecovery
Free standard shipping on every U.S. order — no minimum to unlock it. Orders placed by 12PM ET on business days ship the same day; anything later goes out the next business day. Standard delivery runs about 4–12 business days, and a tracking link lands in your inbox the moment your order leaves our facility.
Every frame is cut and hand-polished from premium bio-acetate — a plant-based material made from renewable cotton and wood fibers instead of petroleum plastic. It sits lighter and warmer against the skin than ordinary acetate, holds its color without fading, and shrugs off everyday wear. It is hypoallergenic and finished completely logo-free, so nothing gets between you and the design.
Not the right fit? Return unworn glasses in their original packaging within 14 days of delivery. Start your return at account.redspec.co — once it is approved we will email you return instructions, and your refund goes back to your original payment method within 10 business days. Items sent back without approval cannot be accepted.
Specifications — Ember Day
Lab-verified
- Ends digital eye strain
- 380–500 NM · 54.5% FILTERED
- Crystal-clear focus
- CAT. 0 · VLT 90.38%
- Independently lab-tested
- ANSI · EN ISO CERTIFIED
- Featherlight, all day
- BIO-ACETATE · UV ~100%
Ember features a deeper, rounded lens and sculpted keyhole bridge, paired with a subtly geometric browline for a frame that feels modern, unshakable, and just a little unexpected. Thick temples and precision tapering give it presence without weight.
Loved by Our Customers
Ember Day
Sale price$79.00
Regular price$112.00
One Lens. Every [Daylight Hour.]
Your Eyes Stop Fighting the Screen
~55%
More than half of harsh screen blue, filtered while you work
Colors Stay True
~90%
Parts of light kept — no dimming, nobody can tell
Fewer Headaches, Less Strain
8 hrs
Comfortable through a full screen day — no afternoon ache
Day Lenses [Preserve]
Day Lenses [Preserve] ~90% Of natural light kept
Of natural light kept
Long screen days wear your eyes down. The Day lens cuts more than half the harsh blue while 9 in 10 parts of light still get through — bright, true color. Independently lab-certified.
Results over time
What You'll Feel
-
Right awayInstant Relief
- Less glare and squinting
- Eyes feel calmer on screen
- Noticeably easier to look at displays
-
Week 1Focus That Holds
- Sharper attention through the afternoon
- Fewer screen headaches
- Less eye fatigue by evening
-
Weeks 2-4A New Baseline
- All-day wear feels normal
- Eyes less dry and tired
- Comfortable from first screen to last
-
OngoingEvery Screen Day
- Sustained all-day comfort
- 100% UV protection
- Light, comfortable lens, always
A Fit Built for [Long Days]
See your exact pair — the photo follows the colorway you pick. Every frame is cut from premium bio-acetate and balanced to disappear on your face.
- Designed for all-day wear
- Featherlight premium bio-acetate
- Clean, logo-free frames
The Problem
Modern light is misaligned with human biology. Screens and devices flood your vision with blue wavelengths that fatigue the eyes, distort natural signals, and drain mental clarity during the day.
Cognitive Cost, Hidden in Plain Sight
Daytime screen use overstimulates the retina. Blue-enriched light from desktops increases eye strain and reduces contrast sensitivity, which leads to fatigue and slower focus. Our yellow lenses filter high-energy light, improve contrast, and help sustain sharp mental performance.
Circadian Drift, in Your Pocket
Phones emit short bursts of high-intensity light at close range. Even in daylight, this can confuse your brain’s timing cues and weaken focus. RedSpec day lenses smooth these signals, sharpen visual clarity, and protect your natural rhythm across screens.
Why RedSpec Is [the Clear Winner]
The lens that filters light without dulling the world.
Find your pair
Blue light glasses
Regular sunglasses
Filters blue & green light
REDSPEC:Yes
Blue light glasses:Yes
Regular sunglasses:No
Day & night lens system
REDSPEC:Yes
Blue light glasses:No
Regular sunglasses:No
Optical-grade lenses
REDSPEC:Yes
Blue light glasses:No
Regular sunglasses:Yes
Premium acetate frames
REDSPEC:Yes
Blue light glasses:No
Regular sunglasses:Yes
Backed by science
REDSPEC:Yes
Blue light glasses:No
Regular sunglasses:No
14-day returns
REDSPEC:Yes
Blue light glasses:No
Regular sunglasses:No