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Is Your Computer, Tablet and Cell Phone Damaging Your Eyes?

Whether you are indoors our outdoors in the natural sunlight or indoors staring at your computer, phone or tablet reading this article, light enters your eye. Light plays an important role in your every day life. Light helps you see the surrounding world, shapes, details and colors. It also aids in normal body function by helping to regulate your sleep and wake cycle, aids in memory, mood and other brain functions. But not all light is equal…

Light can also be harmful to your vision

UV Light

  • Can damage your eyes like it damages your skin
  • Accumulates over a lifetime, accelerating eye aging and the occurrence of cataracts.

Blue-Violet Light

  • Damages the cells in the center of the retina that give us our clear central vision
  • Presents a risk factor for the onset of age-related macular degeneration (AMD)
    • AMD is a leading cause of vision loss and legal blindness in adults over the age of 60
    • Having a family history of AMD can increase your risk of developing this blinding eye disease
  • Common sources of blue-violet light that may affect you indoors come from computers, tables, smart phones, LED and compact fluorescent light bulbs
  • Blue-violet light is also part of the normal spectrum of natural outdoor light

New Crizal® Prevencia™ No-Glare Lenses selectively filter out harmful light while letting good light pass through

light specturm

  • Crizal Prevencia lenses deflect harmful Blue-Violet light, providing improved protection for your eyes.
  • Each Prevencia lens is rated with an Eye-Sun Protection Factor (E-SPF) of 25 providing 25 times more protection against the damaging rays of the sun
  • Crizal Prevencia lenses allow beneficial Blue-Turquoise Light to pass through, which helps preserve color perception



Crizal Prevencia lenses are now available at our Vision Source office. Don’t wait until it’s too late to protect your eyes from harmful UV and blue-violet light. To learn more about Prevencia and the harmful affects of blue light watch the video provided by Essilor the maker of Crizal Prevenica below.