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Essential Blue Series

Blue light is everywhere, both outdoors and indoors, and your patients are more aware of it and concerned than ever before.

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Home » Eyeglasses » Essential Blue Series

DISCOVER A NEW CATEGORY OF LENSES

Essential Blue Series® lens technology offers up to three times more protection against Harmful Blue Light than regular prescription lenses* and 100% UV protection up to 400nm.

Offer your patients everyday essential protection with Essential Blue Series, included in every Eyezen® enhanced single vision lens and available with additional Essilor lens designs including Varilux® and Crizal®.

BENEFICIAL VS. HARMFUL BLUE LIGHT

Blue light is everywhere. While it’s emitted mainly by the sun, it’s also emitted by artificial lights and digital devices.

Harmful Blue Light ranges from 400-455 nm with the greatest toxicity between 415-455 nm.

Beneficial blue-turquoise light ranges from 465 – 495 nm. Blue-turquoise light stimulates the eye’s pupillary reflex and parts of the brain where melatonin is produced.

Helps filter harmful blue light. Lets in beneficial blue light.

Patients need a solution that protects their eyes from harmful blue-violet light while letting beneficial blue-turquoise light pass through

BLUE LIGHT SPECTRUM. Blue Violet Light, or Harmful Blue Light, i
  1. Essential Blue Series® lenses filter at least 20% of harmful blue-violet light (up to 455nm, with the greatest toxicity between 415- 455nm). For Polycarbonate concave lenses, the Harmful Blue Light filtering percentage might be slightly lower.
  2. Extremely low residual tint resulting from absorbing blue-violet light.
  3. Essential Blue Series® lenses filter at least 20% of harmful blue-violet light. For polycarbonate concave lenses, the Harmful Blue Light filtering percentage might be slightly lower. Regular prescription lenses = 1.5 or Poly material (without blue protection) with Crizal Avancé UV coating at equal center-thickness.
  4. Essential Blue Series® lenses combined with Crizal Prevencia coating have front and back side UV protection up to E-SPF 35™ index.
  5. Essential Blue Series® lenses are developed using in-mass technology. The lenses are aesthetically clear irrespective of prescription once they are surfaced, edged and mounted.
  6. Hattar S., Liao H.W., Takao M., Berson D.M. and Yau K.-W. (2002), Melanopsin-containing retinal ganglion cells: architecture, projections and intrinsic photosensitivity.