What is High Energy Visible (HEV) light and Do I need HEV Glasses?

The terms HEV light and HEV light glasses have been thrown around a lot recently.  But is HEV light as scary as they make it sound? Do you need HEV glasses aka Blue Light Glasses or are they just a gimmick? Continue reading this science-backed article which explains the facts behind all things HEV light and your eyes, and make your decision yourself! What is High Energy Visible Light? High energy visible light is light that has high energy and high frequency. It lies in the spectrum of 450-500 nanometres. High frequency means that the wavelengths are shorter and therefore they carry more energy.  High Energy Visible Light (HEV) Light is present in sunlight. The sun bathes us in daily light which includes radio waves, microwaves and gamma waves. We can’t see most of the waves passing through space- only
The terms HEV light and HEV light glasses have been thrown around a lot recently.  But is HEV light as scary as they make it

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