Luminette 3 vs Luminette 2: Lab-Tested Review (2026)

Lucimed sells two Luminettes and lists the same light for both. I measured them on the same headform, and the older, cheaper Luminette 2 put about 60% more melanopic light into my eye.

Derek AntosiekFounder, light and circadian research lead 10 min read

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Luminette 2

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My pick

Luminette 2

The most light at the eye of any glasses I've measured, for $50 less.

See the lab results

High, blue band on the pupil ยท measured Oct 6, 2026

2,432m-EDI
Melanopic EDI
617lux
Brightness
None
Flicker

Spectrum

469 nm

Spectrum chart. Luminette 2, melanopic DER 3.95.

Flicker, high

Chart by time. Luminette 2.

Luminette 3

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Slimmer frame

Luminette 3

Lighter, with a button you can reach while wearing it.

See the lab results

High (Oct 6 placement series) ยท measured Oct 6, 2026

1,514m-EDI
Melanopic EDI
627lux
Brightness
None
Flicker

Spectrum

468 nm

Spectrum chart. Luminette 3, melanopic DER 2.42.

Flicker, high (Sep 26)

Chart by time. Luminette 3.

The short answer: Lucimed lists the same light for both, but on the same headform the older, cheaper Luminette 2 put about 60% more melanopic light into my eye than the Luminette 3. The Luminette 2 is my pick. Buy the Luminette 3 if you want a slimmer frame and a power button you can reach while wearing it.

Both work over clear prescription glasses, are flicker-free, and need no app or subscription.

The Luminette 3 is Lucimedโ€™s newest light therapy glasses, and the Luminette 2 is still on sale right next to it. I measured both on a calibrated spectrometer through a headform printed from my own head, at every setting and with the frame shifted to different spots on the face.

If youโ€™re still deciding between glasses brands, my best light therapy glasses guide covers the whole field.

Luminette 2 vs 3: Side-by-Side Comparison

The short version is in this table.

Luminette: Luminette 2
Luminette 23 of 7 won
Luminette: Luminette 3
Luminette 34 of 7 won
  1. Luminette 2: $149 new, $119 refurbished
    Price
    Luminette 3: $199 new, $159 refurbished
  2. Luminette 2: 2,432 m-EDI
    Body-clock light at my eyehigh, blue band on the pupil
    Luminette 3: 1,514 m-EDI
  3. Luminette 2: None
    Flickeron high
    Luminette 3: None
  4. Luminette 2: 63 g
    Weight
    Luminette 3: 52 g
  5. Luminette 2: Larger
    Size
    Luminette 3: Slimmer
  6. Luminette 2: Inside the visor
    Power button
    Luminette 3: Top right
  7. Luminette 2: USB-C
    Charging
    Luminette 3: Micro-USB
  8. Luminette 2: Blue-enriched white, 1,500 lux on high
    Light (Lucimed)
    Luminette 3: Blue-enriched white, 468 nm, 1,500 lux on high
  9. Luminette 2: 3 settings, 20 to 45 min
    Sessions (Lucimed)
    Luminette 3: 3 settings, 45 / 30 / 20 min
  10. Luminette 2: 5 sessions
    Battery (Lucimed)
    Luminette 3: 10 sessions
  11. Luminette 2: Yes
    Over prescription glasses
    Luminette 3: Yes
  12. Luminette 2: Hard case + pouch, USB-C cable + adapter, cloth, ear wings, neck lanyard, foam nose-pad cover
    In the box
    Luminette 3: Hard case + pouch, Micro-USB cable + adapter, cloth, ear wings
  13. Luminette 2: 2 years (+$30 for 4)
    Warranty
    Luminette 3: 2 years (+$30 for 4)

The light row is the one that matters, and itโ€™s the one Lucimed says is the same. The rest of this review is why it isnโ€™t.

Why Does Lucimed Sell Two Luminettes?

The Luminette 3 is the newer model, and it costs $50 more. On my rig, it puts less light in your eye.

When Lucimed launched the Luminette 3 in 2019, it pitched it as โ€œlighter, thinner, and with longer battery life.โ€ The button moved to the top, the weight shifted toward the nose, and battery life went from 5 sessions to 10. Lucimed didnโ€™t claim any change to the light.

The Luminette 2 never went away. Lucimed still sells it for $149, and it now ships with USB-C, while my US Luminette 3 still charges over Micro-USB.

So I put both on the same headform and measured what actually reaches the eye.

How Much Light Reaches Your Eye (Tested)

At the same placement, the two pairs read almost the same on a light meter: 617 lux for the Luminette 2 and 627 for the Luminette 3. The light that matters for your body clock is 60% apart.

My rig is a headform 3D-printed from a scan of my own head, with a calibrated spectrometer sitting where the eye would be. Both glasses were measured on the same day, on the same setup.

Both peak at 468 nm. The difference is what comes with that peak: the Luminette 3 sends a lot more of its broad white phosphor glow to the eye, and the Luminette 2 sends mostly the blue.

Luminette 2 vs Luminette 3 spectrum at the eye, high, blue band on the pupilShape: each lamp relative to its own peak

Spectrum chart. Luminette 2, melanopic DER 3.95; Luminette 3, melanopic DER 2.42.

See the numbers

Luminette 2

Color tempColor temperature only describes white light. This light is too colored to have one.
Colored light
Body-clock lightMelanopic DER: how much light this lamp gives the body clock for its brightness, compared with daylight at 1.00. Higher means more body-clock light per lux.
3.95×

Luminette 3

Color tempColor temperature only describes white light. This light is too colored to have one.
Colored light
Body-clock lightMelanopic DER: how much light this lamp gives the body clock for its brightness, compared with daylight at 1.00. Higher means more body-clock light per lux.
2.42×

Same blue peak. The Luminette 3โ€™s extra white glow brightens the light meter reading without adding much melanopic light.

That matters because your body clock runs on melanopsin, a pigment in the eye thatโ€™s most sensitive around 490nm. Melanopic EDI measures light the way melanopsin sees it. Lux measures it the way your vision sees it, and vision is most sensitive to green-yellow.

The Head-to-Head

With the blue band set on the pupil, the way Lucimed tells you to wear them, high setting:

  • Luminette 2: 2,432 m-EDI
  • Luminette 3: 1,514 m-EDI

Thatโ€™s the highest melanopic dose Iโ€™ve measured from any light therapy glasses. Both clear the 250 lux melanopic EDI that an expert consensus recommends at the eye during the day, by a wide margin.[1]

If you want the stronger pair for less money, the Luminette 2 is it.

By Setting

Melanopic EDI by setting: Luminette 2 vs Luminette 3 (low, medium, high)
  1. Luminette 2 high2,432 m-EDI
  2. Luminette 2 medium1,647 m-EDI
  3. Luminette 3 high1,282 m-EDI
  4. Luminette 3 medium936 m-EDI
  5. Luminette 2 low608 m-EDI
  6. Luminette 3 low486 m-EDI
See the numbers
Melanopic EDIMeasured
Luminette 2 high2,432 m-EDIHigh, blue band on the pupil ยท Oct 6, 2026
Luminette 2 medium1,647 m-EDIMedium, blue band on the pupil ยท Oct 6, 2026
Luminette 3 high1,282 m-EDIHigh (Sep 26) ยท Sep 26, 2026
Luminette 3 medium936 m-EDIMedium (Sep 26) ยท Sep 26, 2026
Luminette 2 low608 m-EDILow, blue band on the pupil ยท Oct 6, 2026
Luminette 3 low486 m-EDILow (Sep 26) ยท Sep 26, 2026
Recommended daytime minimum250 m-EDIReference

Luminette 2 captured with the blue band on the pupil. Luminette 3 low and medium captured as worn, so its numbers here are a little conservative.

  • Luminette 2: 608 / 1,647 / 2,432 m-EDI (low / medium / high)
  • Luminette 3: 486 / 936 / 1,282 m-EDI (low / medium / high)

The Luminette 2 on medium beats the Luminette 3 on high.

Lucimedโ€™s Numbers

Lucimed lists 500, 1,000 and 1,500 lux at the eye for the three settings, and calls the Luminette โ€œequivalent to a traditional 10,000 lux light box.โ€ Neither pair reached 1,000 photopic lux in any placement I tried (the top reading was 921).

That doesnโ€™t make them weak. Lux is the wrong yardstick for blue-enriched light this close to the eye, which is why I report melanopic EDI and not a lux multiplier.

Flicker

Both are effectively flicker-free: under 0.1% modulation at every setting.

Luminette 2 flicker, highLight output over time, relative to its peak

A flat line at the top means steady light; dips mean flicker.

Light output by time. Luminette 2, high percent flicker 0.07%; Luminette 2, high frequency Steady light; Luminette 2, high ieee 1789 No observable effect.

See the numbers

Luminette 2, high

Percent flickerHow far the light dips from its brightest, as a share of the total. Under 1% is steady to the eye.
0.07%
Frequency
Steady light
IEEE 1789The flicker safety guidance for lighting: how deep the flicker is, for its frequency.
No observable effect

A flat line. Nothing here for flicker-sensitive users to worry about.

The Blue Band Decides Your Dose

Put a Luminette on and look in a mirror. Thereโ€™s a small rainbow across your lower eyelids and cheeks, and only one stripe of it is doing most of the work.

The visorโ€™s reflector splits the light into bands of color. Lucimed tells you to land the blue band on your pupil. Slide the frame a few millimeters and the eye gets violet, green or plain white instead.

To show what that does to the dose, I shifted each pair off the blue band on the headform, high setting, and captured what reached the eye:

Melanopic EDI by placement, high: blue band on the pupil vs too low (blue + green) vs too high (blue + white), Luminette 2 and Luminette 3
  1. Luminette 2: blue band on pupil2,432 m-EDI
  2. Luminette 2: too low (green)2,080 m-EDI
  3. Luminette 2: too high (white)773 m-EDI
  4. Luminette 3: blue band on pupil1,514 m-EDI
  5. Luminette 3: too low (green)1,167 m-EDI
  6. Luminette 3: too high (white)1,084 m-EDI
See the numbers
Melanopic EDIMeasured
Luminette 2: blue band on pupil2,432 m-EDIHigh, blue band on the pupil ยท Oct 6, 2026
Luminette 2: too low (green)2,080 m-EDIHigh, worn too low (blue and green) ยท Oct 6, 2026
Luminette 2: too high (white)773 m-EDIHigh, worn too high (white and blue) ยท Oct 6, 2026
Luminette 3: blue band on pupil1,514 m-EDIHigh (Oct 6 placement series) ยท Oct 6, 2026
Luminette 3: too low (green)1,167 m-EDIHigh, worn too low (blue and green) ยท Oct 6, 2026
Luminette 3: too high (white)1,084 m-EDIHigh, worn too high (blue and white) ยท Oct 6, 2026

Hand-placed, one capture each. The direction is the point, not the exact numbers.

On both pairs, the blue band on the pupil gave the highest dose. Set the frame too low and green creeps onto the pupil; too high and you get the white light thatโ€™s meant to land on your cheeks. Either way, the melanopic dose drops.

How far it drops depends on how far youโ€™re off, so the off-band numbers arenโ€™t a ranking of the two models.

The light meter barely notices any of this. On the Luminette 3, photopic lux only moved from 583 to 678 across placements while the melanopic dose swung about 40%.

How to Wear It Right

Set it up once in a mirror. Adjust the frame on your nose until the blue band crosses the lower half of your pupil, then put it on the same way every time.

How repeatable that is depends on your face. If your nose gives the frame one natural resting spot, youโ€™ll land the band every time. If it doesnโ€™t, check the mirror for the first few mornings until itโ€™s habit. That applies to both pairs.

Can You Wear a Luminette Over Glasses?

Yes. With the Luminette 3 over clear prescription glasses, I measured 1,510 m-EDI, against 1,514 with the blue band on the pupil and no glasses. The lenses didnโ€™t change the dose. Placement did.

Donโ€™t wear either one over tinted or blue-blocking lenses. They filter exactly the blue light these glasses rely on.

What Theyโ€™re Like to Wear

The biggest everyday difference between these two isnโ€™t the light. Itโ€™s where they put the power button.

The Luminette 3โ€™s button sits on the top right of the frame, and itโ€™s easy to press with the glasses on. The Luminette 2โ€™s button is inside the visor, so in practice you take the glasses off to change settings.

Comfort, fit and build felt the same to me. Both stay put through normal use, both come with silicone ear wings, and neither creaks or feels cheaper than the other.

The Luminette 2 is noticeably bigger. The cases are similar, so it only matters if youโ€™re squeezing it into a small bag.

Both throw a lot of light into your lower field of view. The Luminette 2 is a bit brighter, so itโ€™s technically a touch less comfortable, but I donโ€™t mind either one.

You can read, work on a laptop or make breakfast in them. In a dark room your eyes adjust to the glasses and you lose your night vision, so turn a light on. Donโ€™t drive in them; the Luminette Drive is the one built for the car.

The Luminette 2 box also includes a neck lanyard and a small foam piece that fits over the nose pad. Iโ€™m not sure what the foam is for. My guess is keeping skin oil off the pad.

What the Studies Say (and What Lucimed Leaves Out)

Twenty-one published studies have used a Luminette. The two biggest didnโ€™t find what youโ€™d hope.

The positive results come mostly from small lab studies, and theyโ€™re consistent. In 17 healthy young adults, blue-enriched light from a head-mounted Lucimed device lowered evening melatonin and sped up reaction times compared with red light.[2]

After a night without sleep, Luminette glasses cut sleepiness and improved attention about as well as a 10,000 lux light box.[3] Bright light after lunch helped cognitive flexibility about as much as a short nap.[4]

The big trials are a different story. SleepCARE gave 219 women in chemotherapy Luminette glasses, sleep coaching, both, or neither: the glasses added nothing for insomnia or fatigue.[5] DeLight gave 227 teenagers hospitalized with depression bright light or a red-light placebo, and both groups improved by the same amount.[6]

The only study I found that names the Luminette 2 used it inside a light-and-dark routine for new mothers with insomnia. The program improved insomnia scores, but you canโ€™t separate the glasses from the rest of the routine.[7] The one Luminette 3 study on night-shift workers found no clear benefit.[8]

Lucimedโ€™s research page lists 21 studies. The two biggest, SleepCARE and DeLight, arenโ€™t on it.

On safety, the larger trials reported side effects in roughly 5% to 11% of users, mostly headache, dizziness or visual discomfort. An 8-week study found no change in retinal function compared with a placebo device.[9] The Luminette isnโ€™t FDA-cleared, and Lucimedโ€™s own manual says it isnโ€™t a medical device.

How I Use Them

I own two Luminettes, and I barely use them at home. My house is full of bright light already, so these live in my travel bag.

Iโ€™ve used Luminettes on and off for years, and both of these for months. What I notice is simple: they wake me up. I havenโ€™t had any side effects.

That makes them a fit for the same people as any light therapy glasses: you travel, you canโ€™t sit at a light box every morning, or you find a big light box harsh. If youโ€™re home every morning with 20 free minutes, a light therapy lamp is the better buy.

Compared With Other Glasses Iโ€™ve Measured

Melanopic EDI on high, same rig: Luminette 2, Luminette 3, AYO+, Re-Timer
  1. Luminette 22,432 m-EDI
  2. Luminette 31,514 m-EDI
  3. AYO+1,011 m-EDI
  4. Re-Timer447 m-EDI
See the numbers
Melanopic EDIMeasured
Luminette 22,432 m-EDIHigh, blue band on the pupil ยท Oct 6, 2026
Luminette 31,514 m-EDIHigh (Oct 6 placement series) ยท Oct 6, 2026
AYO+1,011 m-EDIBlue, high ยท Sep 26, 2026
Re-Timer447 m-EDIHigh ยท Oct 3, 2026
Recommended daytime minimum250 m-EDIReference

Luminettes at the blue band. AYO+ and Re-Timer as worn.

On the same rig, the Luminette 2 (2,432 m-EDI) and Luminette 3 (1,514) both outdeliver the AYO+ (1,011) and the Re-Timer (447) on high. The AYO+ is still the easiest to see through and the best for travel; the full ranking is in my light therapy glasses guide.

Which Luminette Should You Buy?

The Luminette 2. It puts more light into your eye than the Luminette 3, costs less and charges over USB-C. The Luminette 3 is a nicer object. It isnโ€™t better light therapy.

Luminette 3

Buy the Luminette 3 if

You want the smaller, lighter frame or a button you can press while wearing it. The Luminette 3 puts out less light, but itโ€™s still a strong pair: 1,514 m-EDI on high.

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Skip Both If

Youโ€™re home every morning with 20 minutes to spare, or you wear tinted lenses. A light box is cheaper per unit of light and doesnโ€™t care how it sits on your face.

Whichever you buy, the 4-year warranty for $30 is worth it on electronics youโ€™ll throw in a bag.

FAQ

Are Luminette glasses worth it?

Yes, if you travel or canโ€™t sit at a light box. If youโ€™re home every morning, a light box is better value.

Do Luminette glasses work?

They deliver a real circadian dose (1,514 to 2,432 m-EDI on high). Lab studies found short-term alertness benefits; the largest trials found no added effect on insomnia, fatigue or depression.

Whatโ€™s the difference between the Luminette 2 and Luminette 3?

The Luminette 3 is lighter with a top button. The Luminette 2 costs $50 less, uses USB-C and delivered about 60% more melanopic light.

How much does the Luminette 3 weigh?

52 g on my scale. Lucimedโ€™s spec page says 65 g, which is the Luminette 2โ€™s figure (mine weighed 63 g).

Can you wear a Luminette over glasses?

Yes, over clear lenses, with no loss in my testing. Never over tinted or blue-blocking lenses.

How do I know Iโ€™m wearing it right?

In a mirror, the blue band should cross the lower half of your pupil.

How long is a Luminette session?

For the Luminette 3, Lucimed lists 45 minutes on low, 30 on medium and 20 on high, once a day.

Are Luminette glasses safe for your eyes?

An 8-week study found no change in retinal function. Ask your eye doctor first if you have an eye condition.

Is a Luminette as strong as a 10,000 lux light box?

Lucimed says itโ€™s equivalent. Lux isnโ€™t a fair comparison; the melanopic dose at your eye is, and both deliver a big one.

References

  1. Brown TM, Brainard GC, Cajochen C, et al. Recommendations for daytime, evening, and nighttime indoor light exposure to best support physiology, sleep, and wakefulness in healthy adults. PLoS Biology 2022;20(3):e3001571 https://doi.org/10.1371/journal.pbio.3001571 โ†ฉ
  2. Schmidt C, et al. Light exposure via a head-mounted device suppresses melatonin and improves vigilant attention without affecting cortisol and comfort. PsyCh Journal 2018;7(4):163-175 https://doi.org/10.1002/pchj.215 โ†ฉ
  3. Comtet H, et al. Light therapy with boxes or glasses to counteract effects of acute sleep deprivation. Scientific Reports 2019 https://doi.org/10.1038/s41598-019-54311-x โ†ฉ
  4. Slama H, et al. Afternoon nap and bright light exposure improve cognitive flexibility post lunch. PLOS ONE 2015 https://doi.org/10.1371/journal.pone.0125359 โ†ฉ
  5. Do TT, Maccora J, Wallace R, et al. Cognitive behavior vs bright light therapy for insomnia in women undergoing chemotherapy for breast cancer: a randomized clinical trial. JAMA Network Open 2026;9(8):e2630320 https://doi.org/10.1001/jamanetworkopen.2026.30320 โ†ฉ
  6. Legenbauer T, Kirschbaum-Lesch I, Jรถrke C, et al. Bright light therapy as add-on to inpatient treatment in youth with moderate to severe depression: a randomized clinical trial. JAMA Psychiatry 2024;81(7):655-662 https://doi.org/10.1001/jamapsychiatry.2024.0103 โ†ฉ
  7. Verma S, et al. Treating postpartum insomnia: a three arm randomised controlled trial of cognitive behavioural therapy and light dark therapy. Psychological Medicine 2023;53(12):5459-5469 https://doi.org/10.1017/S0033291722002616 โ†ฉ
  8. Ottersbach J, et al. Light therapy glasses during night shift work: a field study. Somnologie 2024 https://doi.org/10.1007/s11818-023-00439-y โ†ฉ
  9. de Deus M, et al. Evaluation of the impact of a 8 week exposure to a portable light therapy device, Luminetteยฎ, on retinal function assessed by electroretinography. Current Research in Toxicology 2025;9:100253 https://doi.org/10.1016/j.crtox.2025.100253 โ†ฉ
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