- Optical grade CR39 lens
- Superior hard coat for anti-scratch durability
- Anti-reflective coatings to mitigate reflections and glare.
- Super hydro-phobic and oleo-phobic coatings for anti-smudge
All Caddis styles feature an HEV Blue Light coating. Blue Light is the harmful high energy light emitted by screens. Overexposure may have negative effects on your health contributing to eye strain, increasing the risk of macular degeneration and disrupting sleep cycles. Caddis lenses provide HEV Blue Light filtering so you can protect yourself from these adverse effects. Do your future self a favor and get Caddis readers.