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Callen Blue Light Blocking Readers - Bone Tortoise - (four variants)

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Blue Light Blocking: reduces eye fatigue, filtering out blue light from all the screen time our eyes receive each day; clear lenses

  • Premium Polycarbonate: technology that provides a sturdier frame
  • Anti-Scratch Aspheric Lenses: keeps lenses scratch resistant, thinner and light weight
  • Spring Hinges: for maximum comfort and flexibility
  • Frame width: 138mm
  • Lens width: 45mm
  • Lens height: 37mm
  • Bridge: 18mm
  • Temple: 140mm