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Eyefoods Tips: Blue Light

Eyefoods TipsLaurie Capogna

Do you work on a computer all day? Lutein and zeaxanthin are in the retina and protect our eyes from blue light emitted by our technology devices.

Computers, laptops, tablets and smartphones all emit high amounts of blue light. 

Blue light (short wavelength visible light) causes oxidative stress to the retina.  This will have a particular effect on people with less of the macular pigments lutein and zeaxanthin. People with light coloured irides, people with AMD, and people with a genetic predisposition to AMD are more susceptible to the harmful effects of blur light. 

In addition to damage to the retina, blue light also causes glare and eye fatigue. Protect your eyes from blue light by wearing glasses that filter.

Lutein and zeaxanthin are pigments that found in the macula (the central part of the retina). Our bodies can not make lutein and zeaxanthin and so we must obtain them from our diet.  Lutein and zeaxanthin act to absorb blue and UV light which protects the macular from their harmful effects. 

Kale, and dark leafy greens are a great source of lutein and zeaxanthin, with Kale being the top Eyefood for eye nutrients. 

A diet high in lutein and zeaxanthin can improve vision in those with age related macular degeneration and also protect against it.

If you use technology devices often you should also consider asking your optometrist about blue blocking lenses for added vision protection. 

 

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