High-energy visible light blocking

High-energy visible light blocking refers to optical filtration or material-based strategies—such as specially designed glasses, lens coatings, or cosmetic agents—that aim to absorb, reflect, or filter out the short-wavelength, high-energy blue/violet light (generally 400–455 nm) from reaching biological tissues like the **retina** or **skin**[4][5][7]. The rationale is to reduce or prevent the **photochemical and oxidative damage** associated with excessive HEV light exposure, which, according to experimental and epidemiological data, is implicated in processes like retinal cell damage, accelerated photoaging, and possibly age-related macular degeneration[4][5][6]. The concept of "blocking high-energy visible light" is not associated with a single biomolecule, protein, or defined biological target, but rather encompasses a class of physical or material interventions that modulate light penetration to tissues. In summary, "high-energy visible light blocking" is **not a canonical molecular target** but rather an attribute or function of materials and products designed to offer **photoprotection**—most notably for use in eyewear and topical products for skin.

Other names

High-energy blue light blockingblue light blockingHEV light blocking