Blue light

Lens Solution for Every Age

As the world's leading provider of eyeglass lenses, our number one priority at Essilor has always been you, our customer. In fact, we've been busy improving the way people see the world for over 160 years.

At Essilor, whatever your age and whatever your requirements, we have the right lens solution for you.

  • 01/

    Blue light and your vision

    Blue light is all around us. It is emitted by the sun and artificial light sources. Be aware of over-exposure to this type of light as it can be harmful to the eyes.

  • 02/

    Benefits of Turquoise blue light


    Blue light is made up of two parts - the turquoise part has many health benefits.


    Blue-Turquoise light can be beneficial to our health. It regulates the circadian rhythm (our internal 'body clock'), which controls our sleep-wake cycle. So it is essential to a restful night's sleep.

    It can also boost brain activity, improving memory, mood, alertness and mental performance.

  • 03/

    The risk of blue light

    Light plays an essential role in everyday life.

    Light is fundamental for vision. It is needed for perception of the surrounding world: shapes, details and colours.


    Good Blue light (blue-turquoise part) is essential for overall well-being. It is necessary for regulation of the sleep/wake cycles, mood and cognitive performances. But light can also be the cause of premature eye ageing.


    Blue-violet light was recently identified as being harmful to retinal cells. Causing long-term damage to our eyes, it can accelerate the onset of age related Macular Degeneration (AMD).

  • 04/

    Harmful violet light

    As with UV rays, overexposure to blue-violet light can be harmful to the eyes.

    It can damage the retina, and potentially increase the risk of age-related macular degeneration (AMD), cataracts and photokeratitis (sunburned cornea)

    which can lead to temporary blindness.

Blue light contributes to digital eye strain. ... When you're looking at computer screens and other digital devices that emit significant amounts of blue light, this unfocused visual "noise" reduces contrast and can contribute to digital eye strain.

Blue Light Solution

The risk of blue light

Solution - Wearing lenses with blue-violet light protection helps shield your eyes from harmful blue light. As well as blue-violet protection, you can also opt for lenses with UV protection as well.


Some blue light protection lenses filter all blue light including blue-turquoise light. Blue-turquoise light is essential to your well-being as it contributes to your sleep cycle, pupillary reflex, energy and more.



How can we protect our eyes from blue light?

First, you can take steps to protect your eyes from the harmful effects of blue light. If you're not able to limit your digital device use, at least cut back on it before bed. Studies show that exposure to blue light a couple of hours before bedtime actually suppresses melatonin and delays deep REM sleep significantly.Jul 24, 2014

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