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Theo Barnes

Theo Barnes

Staff Writer

Theo covers red light and near infrared devices. Coverage focuses on wavelengths, how manufacturers measure and state irradiance, regulatory status including FDA clearance where it applies, and eye protection requirements.

6 Articles
3 Total Views

Articles by Theo Barnes

6 articles published

Best Red Light Therapy Masks

Best Red Light Therapy Masks

Two masks put FDA cleared in the title and neither publishes the clearance number. What clearance actually covers, plus wireless operation, neck coverage and eye protection.

Theo Barnes Sep 19, 2026
Best Targeted Red Light Therapy Devices

Best Targeted Red Light Therapy Devices

Belts, pads, panels and torches for one area at a time. The category with the strongest buyer history in red light, and why contact devices sidestep the irradiance argument.

Theo Barnes Sep 19, 2026
Best Full Body Red Light Therapy Panels

Best Full Body Red Light Therapy Panels

Irradiance figures cannot be compared across brands, so we ranked on coverage, wavelengths, mounting and warranty instead. Six panels, and why warranty breaks the tie.

Theo Barnes Sep 19, 2026
FDA Cleared Is Not FDA Approved

FDA Cleared Is Not FDA Approved

Most red light devices are cleared, not approved, and clearance covers one named indication rather than everything on the box. How to check a claim in two minutes.

Theo Barnes Sep 19, 2026
How to Read a Red Light Irradiance Number

How to Read a Red Light Irradiance Number

Milliwatts per square centimetre is the number brands compete on and the one with the least agreement behind it. Four questions that separate a specification from a headline.

Theo Barnes Sep 19, 2026