Learn more› By Kaitlyn Wells and Zoe Vanderweide If you believe the hype, blue-light blocking glasses will prevent headaches, decrease eyestrain, and help you sleep like a baby. But do they work?

That’s the job. “Light and background, get that right and you are only looking for the moment.” I try and sum up 36 years of professional photography to enthusiastic camera club members at ...

Impact Statement: This study innovatively based on the dark channel prior suppresses the interference of the target signal to the process of calculating the background information, and globally ...

However, do blue light glasses actually work and make a difference for those of us who stare at screens for several hours? The answer isn't as straightforward as yes or no. All visible light we ...