![]() I'd rather keep colour rendering calibration and good visual contrast that comes from a decent screen brightness which makes everything much more readable and therefore far less effort in the visual cortex figuring out a screens contents than with a dim poorly contrasting screen. Never felt any detrimental effects from many hours in front of a LCD or CRT screen without regular breaks so for me this type of tool is pointless. Today's giveaway of this particular modestly-priced little app ought to be useful for those not on Windows 10 or with f.lux already installed, but the usual caveat applies: don't ever do any image post-processing at night with such a filter running because what you'll see definitely isn't the image as it actually is. Windows 10 users actually have blue light filtering built in via the OS's 'Night Light'. Today's giveaway seems to be a recent entrant to this particular sector, given that the freeware f.lux has been a blue light filter and screen dimmer for several years. #2The negative impact of blue light on the body's ability to produce sleep hormones has been known for a long time, though it's surprising how many computer users seem unaware of it. Which by the way is at the back of the monitor and not the front.Another thing I like about this is the break taking notifications as I spend around ten hours a day on my computer and I often forget to take breaks and hence why my vision and back has suffered. It seems that everything can be helpful and harmful. Shegeek72, No, WIN 3 uses DOS but WIN95 and WIN98 do not, though some sort of DOS can be loaded within them as with all later versions of Windows.Incidentally, what is ‘WTH’? Is it ‘What the hell?’There were others before WIN3, but I do not know their names, or what Adrian is referring to, nor the relevance of his comment to the GAOTD.Those comments that are relevant all give contradictory information and advice, but with anything connected with health this always happens. Only when all agree something is bad (as happens with GAOTD sometimes) is it necessary and advisable to avoid the thing. ![]() ![]()
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