The Harrison Everyday lenses (Crystal Frame) block 30%-50% of all HEV blue-light between 430-450nm spectrum and 100% from 400nm, offering ample protection whilst minimising colour distortion.
If you use your digital screens for 6+ hours per day, we recommend our these advanced lenses, which offer maximum eye protection whilst using your digital devices.If you work or play for many hours in front of a screen, especially at night, than these advanced lenses are for you. If you suffer from Insomnia these lenses will help alleviate the effects of HEV light on your circadian rhythms and sleep patterns.




