Short answer: Eye guidance is device- and use-specific. Follow the exact manual and supplied protection; no universal rule overrides it.
Verify
- Intended body area, mode, wavelength documentation, output, distance, duration, beam pattern, and whether the device is designed for eye-directed use.
- Required or recommended eyewear and whether eyes must remain closed or directed away.
- Photosensitizing medication, eye disease, recent procedures, retinal concerns, migraine or light sensitivity, and qualified guidance.
Do not stare into emitters, repurpose a body panel for an eye condition, or use room brightness as a dose or safety measure. Stop for pain, persistent afterimages, visual change, or another concerning symptom and seek appropriate care.
Bottom line: The exact manual and eye-care guidance control; generic social-media rules do not.
Evidence and limits
Photobiomodulation evidence is condition-, device-, wavelength-, and dose-specific. Findings from a studied device or indication do not automatically transfer to a consumer LED panel.
Source: clinical photobiomodulation review.