When you have a white screen, what you really have is toxic blue light exposure and that basically can ruin mitochondria , circaidian rhythms (aka sleep cycle...) and mess with your hormones, create carbohydrate cravings, and is also an antagonist and exacerbates any eye conditions... redness, itching it can also lead to myopia, stigmatism , AMD and also create cataracts so eliminating and minimizing Blue light exposure is IMPERATIVE! It lowers dopamine levels. I HIGHLY recommend good blue blocking glasses and using inexpensive software on your computer to block/minimize exposure. My personal recommendation is a solid product I've used for years called Iristech. I can 't link it so copy and paste. WWW.IRISTECH.CO 💫