Blue Light Hazard
Negative effects of digital devices
The blue-light hazard. Defined as the potential for a photochemical induced retinal injury resulting from electromagnetic radiation exposure at wavelengths primarily between 400–500nm. The mechanisms for photochemical induced retinal injury are caused by the absorption of light by photoreceptors in the eye. Under normal conditions when light hits a photoreceptor, the cell bleaches and becomes useless. This why we need to protect our eyes when using the digital devices.
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