At night the blue light from your cell phone fools your eyes that it's daytime which inturn affects your sleep.Blue light is part of the visible light spectrum.What the human eye can see. It vibrates within the 380 to 500 nanometer range, it has the shortest wavelength and highest energy.
Benefits of blue light.
Blue Light helps in memory and cognitive function, boosts alertness and elevates mood. It regulates circadian rhythm. Also light form the sun helps in growth and development of the eyes and vision of children . Inadequate exposure of blue light can cause myopia.
The eyes are not good at blocking the blue light so nearly all the blue light passes through the front eye and reaches the retina. Retina are the cells that covet light into images for the brain to process. Too much exposure of the blue light damages the retina cells which leads to vision problems, eye cancer and growth in the white part of the eye.
How to reduce the negative effects.
Buy blue light filters for your smartphone.
Take 20 seconds break after viewing a device that's 20 feet away every 20 minutes.
Control lighting in you device or set the eye care function on you phones.
Content created and supplied by: EngineerMax (via Opera News )
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