Harrison Blue Light Glasses – Heavy Duty Lens (crystal frame)

The Harrison Heavy Duty lenses (crystal frame) block 98.5%of all HEV blue-light between 400-520nm spectrum and 100% from 400nm. Designed forprofessionals and insomniacs.

If you use your digital screens for 6+ hours per day, we recommend our these advanced lenses, which offermaximum 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.