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Sleepaxa Opulent Carbon Grey FL-41 Migraine Glasses
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Sleepaxa Opulent Carbon Grey FL41 Tinted Glasses: Stylish Migraine Relief & Blue Light Blocking for Sensitive Eyes - SleepAxa
Sleep - Amber or Red

Sleepaxa Opulent Carbon Grey FL-41 Migraine Glasses – Relief for Migraine, Photophobia & Light Sensitivity

Blocks 100% of blue and green light to 550nm, so your body starts making melatonin on time.

Size55-14-145
Front width140mm
Lens height49mm
FitMedium
ShapeAviator
Rs. 3,999.00Rs. 5,498.0027% off
Do you need your eye power in these?
Which tint?
Delivery in 4-6 working days 6-month lens warranty 1-year frame warranty Cut and finished in Sleepaxa Lab
Spectrometer lab reports
Amber lens reportPDF Red lens reportPDF

Third-party spectrophotometer readings for this exact lens. Every batch is verified before it ships.

GRANTED

Two Indian patents

587746 and 597482, verifiable on the government IPO registry. Four more pending.

IN-HOUSE

Our own optical lab

Zero power through progressive and high index, cut and finished in Surat.

OVERSIGHT

Clinical advisor

Prof. Monica Chaudhry, 37 years in optometry, formerly AIIMS.

What this lens actually does

Everything left of the line is stopped.

Most blue-light lenses shave a little off the blue band. This one holds a hard cutoff at 550nm, which is where the research on melatonin suppression actually sits. Every batch is checked on a spectrophotometer before it ships.

380nm450nm550nm650nm780nm
The fit
Will this fit me?The three numbers inside your arm

Turn over the arm of the glasses you wear now. Three numbers are printed inside, something like 52-18-140. That is lens width, bridge, and arm length in millimetres.

This frame is 55-14-145 and 140mm across the front. If your current pair slides down your nose, you want a narrower bridge. If it presses on the sides of your nose, you want a wider one.

Lens width55mm
Bridge14mm
Arm length145mm
Front width140mm
Lens height49mm
SizeMedium
The lens
Amber or Red?Two tints, two jobs

Sleepaxa Amber

100% block at 500nm, allows green

The all-day pair. Indoor and outdoor, day or evening, screen comfort with colour balance kept. No time limit.

Sleepaxa Red

100% block at 550nm, no blue or green

For severe sleep trouble. Indoor only, 30 to 60 minutes before bed. Maximum melatonin, deepest sleep prep.

If you can only take one pair, take Amber. Most customers add Red later.

Prescription and lens index1.56 to 1.74

Upload your prescription above, or send a photo on WhatsApp after ordering. Our optical team confirms the details before anything is cut. Prescription orders dispatch in 7 to 9 working days.

1.56 standardincluded
1.67 thinner, moderate power+₹1,999
1.74 slimmest, high power+₹2,999
Progressive, wide corridor+₹2,999
Everything else
Full product detailsFrame, science, specification

Sleepaxa

The Hybrid Series · Opulent Carbon Grey

Two materials.
One frame.

Acetate at the front, where craftsmanship shows. Titanium at the temples, where engineering matters. A migraine glass that solves an old contradiction.


Cellulose Acetate


Beta Titanium
Hybrid

Filtration

FL-41

Clinical-Grade Migraine Filter

Trigger Block

480→520

Photophobia Wavelength (nm)

UV Defense

UV400

Full UVA + UVB Spectrum

Lens Resin

MR-8

Mitsui Optical Grade

Prologue


For decades, you had to choose.
Now you don't.

Choice One

All-Acetate Frames

Strength: Italian luxury feel, depth of finish, plant-based richness.

Limitation: Heavier on the temples. Acetate temples can crack under stress over years.

Choice Two

All-Metal Frames

Strength: Featherlight, durable, structural integrity.

Limitation: Cold-feeling, less personality, can pinch the bridge during extended wear.

The Opulent Carbon Grey Solution

Acetate where you want warmth.
Titanium where you need precision.

A hand-finished cellulose acetate front carries the visual warmth and depth that defines the look. Beta titanium temples deliver featherlight comfort, structural durability, and zero pressure points. Two materials, each chosen for what it does best.

The Architecture

Two halves.
One whole.


The Front · Anterior

Cellulose
Acetate.

100%

Plant-Based

60+

Polish Steps

Hand-cut from solid blocks of cellulose acetate. Tumbled, smoothed, and polished across 60+ steps to achieve depth of colour and finish that injection-moulded plastics cannot replicate.

Hypoallergenic. BPA-free. Carries the visual warmth Italian eyewear has been famous for over a century.


The Temples · Lateral

Beta
Titanium.

45%

Lighter than Steel

2×

Stronger Tensile

Beta titanium is the same alloy used in surgical implants and aerospace components. Memory-flex behaviour means temples adapt to your face shape over time, then return to original form.

Hypoallergenic. Corrosion-proof. Engineered for hours of pressure-free wear without bridge fatigue or temple bite.


Frame Construction

Cellulose Acetate Front with Titanium Temples.

Hand-finished in our Surat workshop. The cellulose acetate front is precision-cut to match the lens curvature, then hand-polished. The beta titanium temples are precision-laser-cut, formed for ergonomic head curvature, and finished with a soft-touch matte coating.

The result is a frame that looks like luxury, weighs like nothing, and survives years of daily wear.

Section i.


FL-41 isn't a tint.
It's a calculation.

Decades of clinical neuro-ophthalmic research have isolated a specific narrow band of light, between 480 and 520 nanometers, as the primary trigger for migraine pain and photophobic discomfort.

FL-41 is a precision-tuned rose-amber filter that selectively neutralises this exact range, while preserving the soothing green wavelengths the visual cortex finds most calming.

The Opulent Carbon Grey uses MR-8 optical resin from Mitsui — selected for its high Abbe value and zero chromatic distortion. Edges stay sharp. Colours stay true. The world simply looks softer.

Section ii. · Tint Selection

Two tints.
Same precision.



Light Tint

For mild migraine.

Office hours · indoor screens · everyday photophobia · gentle outdoor wear

58%

Tint Density

50%

VLT

A subtle rose tint with near-natural colour perception. Wearable in any setting without drawing attention to itself. The everyday migraine glass.



Dark Tint

For severe migraine.

Chronic photophobia · post-concussion · harsh outdoor · clinical-grade sensitivity

78%

Tint Density

40%

VLT

Deeper rose-amber. Maximum filtration. Built for chronic light sensitivity, severe migraine sufferers, and harsh outdoor environments where light becomes the enemy.

Section iii.


Five layers,
in sequence.

A premium migraine lens isn't one thing. It's a stack of engineered surfaces, each with a specific function, applied in a deliberate order, contributing to a single outcome: visual comfort.


i

Hard Coat

The scratch-resistant base. Survives years of daily handling, the in-and-out of cases, accidental brushes against bags and pockets.

ii

Anti-Reflective

Eliminates ghost reflections from screens and overhead lights, the secondary glare that quietly compounds migraine triggers throughout the day.

iii

FL-41 Filtration Core The Heart

The functional layer. Tuned to neutralise the 480 to 520 nm migraine trigger band while preserving soothing green wavelengths the visual cortex calms toward.

iv

Hydrophobic

Water beads off rather than smearing. Rain, sweat, splashes, condensation — none of it ends in a panicked wipe before walking into a meeting.

v

Oleophobic Finish

Repels oils and fingerprints. The final layer. Cleans up with a single pass of the included optical-grade microfiber cloth.

Section iv. · Evidence

Built on what the
science actually says.

Sleepaxa
Clinical Study

Zenodo · 2026

Sleepaxa
R&D Archive

Open Access

Univ. of Utah
Moran Eye

FL-41 Origin

Journal of
Headache & Pain

Peer Reviewed

American
Migraine Foundation

Reference

Read the complete clinical guide →

Section v. · The Process

Tested.
Measured.
Documented.

Every batch of Sleepaxa Opulent Carbon Grey undergoes spectrometer-validated wavelength testing across the 480 to 520 nm migraine-trigger band, before it leaves our facility.

No estimates. No assumptions. Just measured filtration, validated against the standards used in clinical photophobia research.

Section vi. · Real Days

What changes,
after a week.

No.

01

Comfort that disappears

The titanium temples flex naturally with your head. The acetate front sits warmly without pressure. The 3pm urge to take them off simply doesn't arrive.

No.

02

Migraine triggers soften

Fluorescent flicker, harsh LEDs, supermarket lighting, oncoming headlights — the everyday triggers that used to start an attack often feel measurably gentler within 7 to 14 days of consistent wear.

No.

03

Photophobia eases

Bright environments stop feeling like an assault. Indoor lighting becomes manageable. Outdoor light becomes navigable. Daily life becomes a little quieter.

No.

04

Eye fatigue dissolves

Long screen hours stop ending in burning eyes and tension headaches. Contrast sharpens. Glare dims. Focus stays where you put it.

No.

05

Light sensitivity, all day

Wear them indoors at work. Wear them outdoors in the sun. Same FL-41 filtration carrying through every environment. Acetate warmth meeting titanium precision, hour after hour.

∞

Prescription Available

From 1.56 to 1.74.
Your prescription, perfected.

From standard 1.56 for low to moderate prescriptions, all the way to ultra-thin 1.74 for high powers. The Opulent Carbon Grey adapts to your vision, never asks your vision to adapt to it.

Speak with a Sleepaxa Expert →

Tint intensity · lens index · frame fit · real humans, fast replies

The Unboxing

Designed to be
remembered.

An unboxing isn't a formality. It's the first conversation between us and you. Every layer, intentional.

i.
◆

3D-Printed Outer Box

Tied with a satin ribbon. Tamper-proof construction. Less like packaging, more like a gift, even when you're buying it for yourself.

With Ribbon
ii.
◇

Velvet-Finished Case

Soft-touch velvet exterior over a structured hard shell. Magnetically secure. The kind of case that earns its place on your desk.

Hard Shell
iii.
◈

Premium Microfiber Cloth

Optical-grade. Lint-free. Sized to clean both lenses in a single motion. The kind that just works.

Optical Grade
iv.
◉

Premium Travel Pouch

Lightweight, drawstring-finished, slim enough for any bag pocket. For days when the case stays home but your glasses come along.

On-The-Go

"The first thirty seconds of opening a Sleepaxa box should already feel like the product is working."

— A Sleepaxa Design Principle

Specifications

The Opulent Carbon Grey.
Every detail.

Model Opulent Carbon Grey Migraine Glasses
Series The Hybrid Series
Lens Technology FL-41 Migraine Filter
Trigger Wavelength Block 480–520 nm
Tint Options Light (58% / VLT 50%) · Dark (78% / VLT 40%)
Lens Material MR-8 Optical Grade (Mitsui)
Lens Index Range 1.56 to 1.74
Lens Coating Multi-Layer (Hard, AR, FL-41 Core, Hydrophobic, Oleophobic)
UV Protection 100% UVA + UVB (UV400)
Frame Material Cellulose Acetate Front with Titanium Temples
Construction Hand-Cut Acetate Front · Precision Titanium Temples
Hinges Elysian Hard Round Spring
Use Case Indoor + Outdoor
Category Migraine & Photophobia Glasses
Gender Unisex
Warranty 1 Year on Frames
Designer Sleepaxa

Sleepaxa Care

Speak with someone
who actually knows.

Tint intensity, prescription, lens index, frame fit, dual-material care. Sleepaxa Experts on WhatsApp. Real humans, real expertise, fast replies.

Talk to a Sleepaxa Expert →

A Note From Sleepaxa

The hybrid
that ended
the compromise.

Designed in India. Engineered across two materials. Validated in lab. Recommended by professionals. Worn by thousands who refused to choose between Italian craftsmanship and aerospace precision.

Shipping, returns, warranty and care
Zero power dispatch4-6 working days
Prescription dispatch7-9 working days
Returns, zero power7 days, unused
Frame warranty1 year
Lens coating warranty6 months

Microfibre cloth, or lukewarm water with a drop of mild soap. Never tissue, paper, or your shirt, all three scratch the coating. Store in the hard case, away from a car dashboard.

Still deciding?
Tint, prescription, lens index, frame fit. Real people, fast replies.
Ask on WhatsApp
Trusted by 50,000+ Indians

Real Stories.
Real Comfort.

★★★★★
4.7/5 · Based on verified reviews

No paid actors. No scripts. Just Indians, sharing their Sleepaxa experience.

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50,000+Happy Indians
4.7/5Verified Rating
IN 587746Patent Granted
DPIITRecognised

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*Based on spectrophotometer lab reports and reported customer experience. Individual results may vary.

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Worn on real faces, every day.

Why not just sunglasses?

Built for the light that triggers you.

Sleepaxa FL-41 · NeuroCalm FLX+™SunglassesRegular blue-cut
Fluorescent & LED flicker — office, hospital, mall lighting✓ FL-41 cuts the harsh band*Dims everything — the flicker band still passes✗
480-520nm band linked to photophobia in published research✓ Filtered at the peak — lab-verifiedUntunedPartial, typically 10-40%
Wearable indoors all day✓ Light tint is made for it✗ Indoor use can increase light sensitivity over time*✓ But little migraine relief
Screen comfort without colour wash-out✓ Tuned filter, screens stay readable✗ Too dark for screensPartial
Bright outdoor light & sun glare✓ Dark tint + 100% UVA/UVB✓✗
Patented migraine lens technology✓ NeuroCalm FLX+™ · IN 587746✗✗
Spectrometer report you can open✓ Every batchRareRare

*Comparison based on published spectrophotometer reports for Sleepaxa FL-41 lenses, typical published specifications for generic lenses, and published clinical literature on prolonged indoor sunglass use and light sensitivity. Individual results may vary.