Blue Light Glasses Test

A small visual test to evaluate how your blue-light filtering works across different intensities.

Blue light test

Toggle and compare a simulated blue light filter. This is a simple visual guide — it does not replace proper testing under different displays and lighting.

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Tip: If your blue‑light glasses darken the blue swatch relative to the original, they are blocking blue light. This is a quick visual check — further testing with colorimeters or manufacturer guidance is recommended.