- 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 readers block blue light. Included is HEV coating which blocks harmful high energy light screens emit. Anti eye strain, headaches & disrupted sleep. Block. Blue. Light. Now.