that Block 4x blue light
Ergonomically designed frame & lenses help you spend long hours in front of Mobile & PC screens
Yellowish Amber lenses Block 4x more harsh blue light compared to ordinary blue cut glasses
These eyeglasses reduce all the visual stress and help prevent the symptoms of digital eye strain
Zebriana glasses are engineered to eliminate the distractions caused by screen reflections
The amber lens technology is well researched at university of Toledo (USA). It was positively found in that research that amber lenses significantly block blue light and also improve sleep quality.