P2417H, eye health, screen protector

I have a Dell U2720Q monitor and have had severe eye strain. What seems to help (and I don't know if you have the same setting in your monitor) is to set color from standard to the setting "color space". And in color space check that the option sRGB is chosen. sRGB limits the amount of colors to what is standard for computers, including older devices. It seems that it was the wider color spectrum which caused me eye strain. The sRGB looks more dull and boring but immediately feels better on the eyes. I didn't get this display just for its awesome colors but largely for other reasons, so I can live with the trade off. The above seems to work better for me than changing the color setting from standard to comfort view (another setting on my dell monitor), which mainly just limits blue light, which you mentioned in your post. 

However, I do have the option in my macbook laptop which is attached to this dell external monitor, to choose what is called night shift. That is a mac setting which limits blue light. So now I have a limited color space (sRGB) with additional blue light filtering.

I have also heard that some glasses have a blue light filter. I was asked by the optician last time I got myself new glasses if I wanted such a filter for my glasses. And probably there is a blue light blocker which can be put on top of your screen as you were asking.  

But limiting the amount of colors in general as I explained first seems to reduce my eye strain more.  I have also put the screen brightness to 20 % by the way, which on my screen is bright enough. 

I want to underline that I made this change today, so I will know more about its effect later. Just wanted to share, especially about sRGB. Even on my Macbook pro, there is the option of choosing sRGB, if I were to use it without the external screen (however then I cannot have night shift on to reduce blue light).

Thank you @Kristoffer71 , appreciate you reaching out 

I have the Dell monitor on its recommended setting for eye comfort which was not previously advised to me by my employer who supplied this and until recently I actually had no idea how much this was impacting my eye condition. Accordingly, once I joined the dots & failing a solution being provided via this forum at the time, I ended up logging it with our HR department who have since also supplied me with a screen protector which is said to block out 20% of BL emissions. 

I assume that given light spectrum which BL falls under that between the monitor settings, screen protector and glasses, my exposure has dramatically reduced, and I have to say I am actually a bit taken aback by how much my eyes have improved.

I've tried so many things over the past 2 years getting little result, ranging from eye drops to allergy medicines to specialist referrals but just could not resolve until now which confirms for me how real the invisible electronic impacts of the devices we use every day can have on our bodies.and how little information we are provided to educate us when we purchase and use this stuff. 

I did get myself some certified blue light glasses that have been spectrum analysed ( so not some cheapy ones off amazon or equivalent ). If you are getting via your optician, I would expect will be of required quality to serve their purpose but for anyone else out in the wider world, it's an important thing to look for before making a purchase Products that have undergone the testing should provide the range of blue light blocked/reduced where as those that don't likely have not undergone spectrum analysis. Vision Direct I found have great range of frames and can also do prescription lenses (  i don't need script so I can't speak to customer satisfaction around this - disclaimer ) and there are a few other places that provide this via online ordering - far better pricing than instore for any of those feeling the pocket pinch in these crazy times!

I'm so glad my eyes are getting better. You would know from your own eye issues how absolutely life consuming it can be at times when irritation is heightened and fingers crossed can finally put that behind me!

Take Care. 

Really glad to hear!

Hi again, referring to our previous conversation, I want to share that even though I was able to reduce my eye strain with various settings (one of them was to reduce the brightness drastically and move my monitor away from its previous place with its backside against a window, which had made me use higher brightness in the first place) I then decided to get myself a very ordinary monitor instead, similar to which I had had for many years and which had never caused me problems. 

Instead of 27 inches, I now have 24. Instead of 4k resolution I have 1920x1080. And instead of a great amount and saturation of colors (which can strain our eyes), it is only able to show a more limited spectrum (99% of sRGB or in other words 72% of NTSC). The screen cost about one third of my previous 4k 27 inch one. Sometimes low tech is high tech. 

It is my first full day with this screen, and it may be too soon to say anything conclusive, but it already feels very good on my eyes. And my brightness is still low, only 7 %. And since I have wall behind my monitor (and not a window) I don't need more brightness in order to see clearly. I keep the screen about 60 cm from my eyes so this screen size and resolution is optimal. 

By the way this new monitor, Lenovo T24i-2L is eyesafe certified. Which means that it automatically filters blue light. Not in the traditional way of just modifying the colors, but in a new way which may matter. Just wanted to share.