Light

We tested the Mitolux UV lamp. See our spectral analysis, vitamin D blood test results, and how it compares to the Sperti vitamin D sun lamp.

These wooden SAD lamps look great, but do they work? Our lab tests reveal the truth about their lux levels, remote issues, and flicker-free performance.

Is the Carex Elite worth the upgrade? Our lab tests reveal how its larger size, flicker-free light, and 12,000+ lux compare to the older Classic model.

We tested the new Retimer 3 glasses. See the spectral data, lux output, and why their unique green-turquoise light might be better than blue.

We analyzed the SkyView 2’s 24-hour cycle. See the spectral graphs, flicker data, and why it’s the most comfortable SAD lamp we’ve tested.

We tested the Lumie Halo, Vitamin L, and Mini. See our spectral data, lux output, and why these premium British lamps might be worth the cost.

Staring at screens all day? We tested 100+ blue light glasses. Discover the best clear and tinted lenses for blocking digital blue light.

A step-by-step guide to building the ultimate SAD lamp. We list every part you need for a high-CRI, 10,000 lux setup on a budget.

We tested 60+ light therapy lamps with a spectrometer. See which models actually hit 10,000 lux and which ones flicker. The results might surprise you.

We tested the Yuji Serenity’s 3 modes. See our spectral graphs, flicker analysis, and why this portable sleep lamp might be the ultimate nightstand light.