Foxmans Blue Light Blocking Computer Glasses - The Lennon Everyday Lens with Heavy Duty Clip-ons (crystal frame) Mens & Womens Stylish Frames

The Lennon Everyday lenses with Heavy Duty Clip-ons (2pcs), transforming them from Everyday lenses into Heavy Duty lenses when you need it most. Our Everyday lenses block 30%-50% of all HEV blue-light between 430-450nm spectrum and 100% from 400nm, offering ample protection whilst minimising colour distortion. This is best for daytime use. You can power up your Everyday lenses with our Blue-light Heavy Duty clip-ons, adding a further 70% blocking power to your, giving you a full 100% blue light blocking power. This is best for night time use. Choose from any of our Lennon frame colours (black, tortoiseshell, red, crystal).