Polymorphous Light Eruption (PLE) — Sensitivity Reduction

Category: UV Protection & Photoaging

Journal: Lasers in Surgery and Medicine (2008)

Key finding

Two PLE patients included in pilot showed meaningful reduction in UV-triggered eruption sensitivity following LED preconditioning, suggesting utility in photosensitivity disorders.

Protocol

• Wavelength: 660 nm
• Irradiance: Non-thermal pulsed LED
• Dose: 4 J/cm² per session
• Duration: 5–10 sessions (part of Barolet 2008 cohort)

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