How Bad Is Blue Light? Local Optometrist Says It Can Be Good For You

SACRAMENTO (CBS13) — Many of us are glued to our screens all day long. From your phone to your computer, they all emit what’s called “visible blue light.”
When we stare at these for long periods of time, we’ve been told excessive screen time can be bad for your eyes and brain. But now we’re learning its not all bad.
Neighbors in Sacramento told us they were surprised to hear some blue light is actually good for you.
Mark Cota from Sacramento said, “I wou