By Gary Heiting, ODWhat is blue light?Visible light is more complex than you might think.Stepping outdoors into sunlight; flipping on a wall switch in your...

Here we demonstrate the different colors and the wavelengths attributed to each one of them. Now, the longer the wavelength, the less health effects you...

By Gary Heiting, ODhttps://www.allaboutvision.com/lenses/coatings.htmLens coatings are applied to eyeglass lenses to enhance the durability, performance an...