Blue Light and its Effect on the Eyes
By Guest Contributor John Dreyer, Optometrist Bsc(Hons), MCOPTOM, DipCLP What Is Blue Light? Blue light is a perfectly normal and natural spectrum of light that is found in sunlight. Light ranges from 400 to 700 billionths of a meter (nanometer, nm) 400nm being violet to 700nm being red. When combined the individual spectrums of light creates “white light” or […]