Effects Of Blue Light On Eyesight

Blue light exposure from screens is much less than the amount of exposure from the sun.

Effects of blue light on eyesight.

The short wavelength high energy light rays on the blue end of the visible light spectrum scatter more easily than other visible light rays when they strike air and water molecules in the atmosphere. So almost all of it passes straight through to the back of your retina which helps your brain translate light into images. How blue light hurts sleep your eyes aren t good at blocking blue light. Parts of the eye digital eyestrain.

Get some new lenses and keep your eyes at ease. Symptoms of eyestrain include sore or irritated eyes and difficulty focusing. The higher degree of scattering of these rays makes the cloudless sky look blue. During the day when the sun is out it stimulates us.

Blue light is the visible light at the blue end of the spectrum. Too much exposure to ultraviolet light from the sun increases the risks of eye diseases including cataracts growths on the eye and cancer. The negative effects of blue light are numerous. The eye is not very good at blocking blue light.

It has also been proven as a cause of age related macular degeneration which is induced by the phytochemicals that are present in blue light. Currently the french agency for food environmental and occupational health safety anses report from 2019 supports the 2010 result on the toxicity of blue led light 400 450nm spike to the eye which can lead to impaired vision. We know less about blue light. But too much blue light exposure at night has the same effect disrupting your circadian system and suppressing your melatonin production which can lead to serious sleep problems so limit or forgo screen time in the hour or two before bed.

It s also no more damaging than blue light from the sun dr. Although not as energetic as ultraviolet uv light there is concern that high doses of blue light might cause more cellular damage than longer wavelengths of visible light which you see as the colors red through green. Due to its higher frequency it goes down deeper into the eye and the effects of this can be quite damaging to the retina. Prolonged usage of digital devices including computers tablets and smartphones increases your exposure to harmful blue light which can lead to eye strain blurred vision headaches and trouble sleeping.

Tips for preventing eyestrain. Reduce your exposure with regular breaks and digital protection glasses. Blue light from computer screens and digital devices can decrease contrast leading to digital eyestrain.