Lenses guide

Before choosing your KUGO design and the right wood or bioacetate color, it is essential to know the science and the facts behind the KUGO lenses and their purpose. It all goes back to our ancestors and their way of living life. Long before the "junk light" or so-called harmful blue light became part of our lives, our ancestors knew and felt what was the best for them. They have naturally get up within the sunrise and go to sleep once they feel like it. With the precise testing, we want to give you that feeling back, the feeling of being connected to your primal origins, and the feeling of a good night's sleep.

Our KUGO lenses will help you get closer to your primal origins:


KUGO 420 - Clear lenses, blocking 100% of the harmful blue light under 420nm and 45% of the blue light in the 420-450nm spectrum. Basic protection during the day mostly for people using diopters.



KUGO Lenses 420nm


KUGO 460 - Slighty yellow-tinted lenses, blocking 100% blue light up to 460nm. The essential blue light protection during the day. The lenses eliminate the blue light peak we get from digital devices. The lenses are modifying the visual color spectrum very slightly. KUGO 460 lenses are revolutionary lenses positively impacting the lives of people all around the world.

KUGO Lenses 460nm

KUGO 510 - Yellow-tinted lenses, blocking 100% light up to 510 nm. Regarding human origins, KUGO 510 will make your eyes relax during the late afternoon hours. If you are looking for glasses that ultimately eliminate the blue light, KUGO 510 lenses will work their magic and drastically improve your life. An easy way to instantly feel better. 

KUGO Lenses 510nm


KUGO 550 - Red-tinted KUGO lenses, blocking 100% of the blue and green light up to 550nm. Wearing KUGO 550 lenses 2 - 3 hours before bedtime makes you fall asleep instantly. By blocking the spectrum, it supports the production of melatonin, the sleep hormone, even if you use digital devices. To ensure a good night's sleep, red-tinted KUGO 550 lenses are the must-have lenses for everyone

KUGO 550nm lenses