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Eye strain from LED backlighting in MacBook Pro

430878 Views 1,978 Replies Latest reply: Apr 15, 2014 9:01 AM by Jessiah1 RSS Branched to a new discussion.
  • LovesDogs0415 Level 1 Level 1 (0 points)
    Currently Being Moderated
    Mar 22, 2013 12:54 PM (in response to GKphone)

    I purchased the anti-glare screen on a 15" MBP and it didn't help at all. Not Retina screen, they didn't have them back then.  I am now using one of the last MacBooks with the LCD backlit screen.

  • scartacus Level 1 Level 1 (0 points)

    LovesDogs,

     

    Now you've got me worried. How many years do I have to go back to get a second hand, non-eyeburning screen?

    My original mid 2010 MBP was fine.

  • Gareth Jones6 Calculating status...
    Currently Being Moderated
    Mar 23, 2013 2:45 AM (in response to RMartin111)

    I thought I would give an update on my experiences.

     

    - It does appear that my migraines have become more severe because of a  reaction to medication I was taking, so hopefully now I've stopped it my  situation will start to improve. Howver, within my current sensitive  state, the following screens are definitely a major trigger factor /  irritant.

     

    - Having had trouble with my MPB, I bought an Acer S243HLAbmii monitor due the recommendation that it had a very low PWM, and it is still a real trigger for eyestrain / migraines. For it even to be usable I have to use Flux, have the brightness / contrast down low and wear sunglasses.

     

    - It has also become clear that my HTC Desire phone is a major trigger as well, though it never really used to be before my migraine situation deteriorated.

     

    - I recently started an office job after some time working at home, and have found that the monitors there do not cause me so much problems - as long as I regularly look away from the screen or do other tasks I ahve been fine. There I have been using two different small  monitors, which are pretty old looking but flat screen nevertheless. This suggests three possibilities -

    1) the screen size and/or physical proximity to the screen may be a major issue (I find myself craning forward to the acer because despute the size of the screen, I have struggled to get font sizes to be bigger)

    2) older CCFL screens are better than LED, though someone else on this thread has said they had problems with CCFL as well, or

    3) the flourescent strip lights used at work create a better atmosphere for screen viewing (though notably I still have problems with looking at my phone when at work).

     

    Hope this is of some use. I am now going to buy a cheap older monitor from Ebay and see how that goes

  • shitbox Calculating status...
    Currently Being Moderated
    Mar 24, 2013 4:01 AM (in response to RMartin111)

    Just my 2 cents about all this :

     

    I never had Apple products but I can feel exactly the same symptoms that most of you.

      The first time, it was with a Samsung Galaxy S (one of the first OLED screen). I don't know if it damages my eyes, but until that, even some screen I liked became painfull, and I can just watch them with the lowest brightness (laptop, tv... some screen are more painfull than other).

     

    Just one thing that I noted :

     

    Try to watch your screen with just one eye open (right or left, it doesn't matter) : for me, it changes everything (no more pain). In fact the eye doesn't need to be completely close.

  • scy123 Calculating status...
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    Mar 24, 2013 7:32 AM (in response to shitbox)

    Hi guys, with retina display option on iPad, I am no longer having any headache even for a very long usage. Hence, suggest you all can try out RD and hope the problems will be sorted out.

     

    RD is Apple's top class discovery, I believe, which will make millions Apple Fans.

  • Exandas Level 1 Level 1 (0 points)
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    Mar 24, 2013 1:42 PM (in response to scy123)

    Did you experience headaches before but now you dont?

  • scy123 Level 1 Level 1 (0 points)
    Currently Being Moderated
    Mar 24, 2013 6:29 PM (in response to Exandas)

    Now, I realise after a long experience that my case was little different. The MBP which I bought in Mumbai, India was a faulty one, with a cheaper rate having model no MD313HN/A. This model was introduced in India may be by some fraudulent team who gave me a faulty Monitor which was creating all that headache, in fact, in the beginning while operating the MBP, I used to get some smell of chemicals. It must have done a lot of harm by its radiation.

     

    Yes, now, while operating ipad4, I have no head ache issue.

  • Amerix Calculating status...
    Currently Being Moderated
    Mar 27, 2013 2:16 AM (in response to scy123)

    Hi,

    Many comments on this post since I joined it and I must say I didn't read them all, so maybe someone as already notice this experience feedback.

    A few months ago to get away from the supposed agressive blue, I did change the screen display color (system preference-display-color-calibrate-- D50warm yellowish white)

    At the beginning you might feel the yellowish white is "not as nice" but after a few days you get use to it and after a few months I must say I feel less bothered by the screen, I mean less headhache, less eye strains.

    Amerix

  • mojarvinen Calculating status...
    Currently Being Moderated
    Mar 27, 2013 2:52 AM (in response to Amerix)

    I've followed this discussion by e-mail. Many come in and suggest something like f-lux or lowering the temperature. But those of us who have experimented with this a bit more, know that it has nothing to do with the light temperature.

     

    Please consider the fact, that sunlight has the full spectrum of light. When you are out doors, the light intensity will be much higher and with the full spectrum than a display will produce.

     

    What the problem is?

     

    It is either:

    The flicker of the backlight by PWM (can be measured only by a SLR Camera or a special device, it is not visible to the eye.

    Proof: I've tested many displays that are confirmed to flicker and confirmed not to flicker and those that do not flicker, generally do not cause problems

     

    Or

    The snowing effect or some other type of flicker that has not been measure yet.

    Proof: Galaxy S3 and iPad 4 do not flicker by the measurement, but they do cause eye strain.

     

    What is not causing eye strain?

    hp zr2740w

     

    That display does not flicker and does not cause any eye strain no matter how long or if during the nigth I use it.

  • Exandas Level 1 Level 1 (0 points)
    Currently Being Moderated
    Mar 27, 2013 1:40 PM (in response to mojarvinen)

    I wonder if someone has tried Nokia Lumia 920. Nokia claims that the display in this smartphone is flicker-free. Did anyone in this forum read the white paper from Nokia regarding their display technology Pure Motion+? I am not an engineer and i am not sure if what are saying help people sensitive to flicker.

    http://www.nokia.com/global/innovation/puremotion/puremotion-hd-plus/

     

    Furthermore i tried Xperia Z for 1 hour and had the same diziness (or maybe a little worse) as with the iphone 4/ipad 3/MBP.


    Regarding Galaxy S3, i have seen a video in youtube and it seems SG3 screen flickers. I post the link below, but dont know what the conditions were for this test.

    https://www.youtube.com/watch?v=yGAMlv_tSnk

     

     


  • mojarvinen Level 1 Level 1 (0 points)
    Currently Being Moderated
    Mar 27, 2013 1:47 PM (in response to Exandas)

    Yes, Galaxy S3 does flicker when the backlight is not 100 %. But when it is, it does not flicker, at least with the DSLR test. But for some reason it does irritate eyes, although it does not flicker at 100 %. So this must be the other type of flicker.

     

    I cannot read a book from Galaxy s3 Kindle, but I can read it with the Kindle device, which has e-ink.

  • Exandas Level 1 Level 1 (0 points)
    Currently Being Moderated
    Mar 27, 2013 1:56 PM (in response to mojarvinen)

    When i used the Xperia Z i saw some kind of "snow" in any wallpaper i tried. I think i observed the same in SG3. Is this what you are referring? Is this maybe an Android issue?

    I had not observed this in my iphone though.

  • Smokerz Level 6 Level 6 (9,155 points)
    Currently Being Moderated
    Mar 27, 2013 3:28 PM (in response to RMartin111)

    Buy a retina ipad or a retina MBP. Wait for a retina Display. The dense ppi will help your eye sight issues.

  • GKphone Level 1 Level 1 (0 points)
    Currently Being Moderated
    Mar 27, 2013 6:02 PM (in response to Smokerz)

    It was worst for me the Retina and non Rentina New Mac Book pros, sent them straight back to Apple, too bright!

    etc Red face, sun burn feeling on checks and fore head. Dry eyes. etc

    Back using 2008 Mac book Pro

  • mvanier Level 1 Level 1 (0 points)
    Currently Being Moderated
    Mar 27, 2013 10:17 PM (in response to mojarvinen)

    I wouldn't want sunlight to be my backlight either.  It is really full-spectrum, including UV-A, UV-B, and UV-C.  Staring directly at sunlight is a good way to go blind.  There is a reason that the preferred indoor reading light is tungsten incandescent, which is broad-spectrum but with little to no blue or UV light.  But comparing _any_ broad-spectrum light to LED backlights is incredibly misleading, because ("white") LEDs are not broad spectrum.  They have a huge, fairly sharp peak in blue and a more diffuse peak in yellow, and that's it.  The eye perceives this as white, but it is very different from the "white" from sunlight or from CCFL fluorescent or from tungsten incandescent, each of which is truly broad spectrum despite their different color temperatures.  So I would agree that perhaps eyestrain has little or nothing to do with color temperature per se but I submit that it has a lot to do with the actual light spectrum -- at least for many of us.  Some people seem to be more sensitive to flicker than to light spectrum, and you may well be among them.  It is entirely possible that subsets of people are sensitive to different problems, and it just so happens that modern LED-backlit screens have more than one problem.  I find that iPhone displays (4S and above) with the retina display have no perceivable flicker at all, but it is still hard on my eyes, so I conclude that spectrum is the important thing for me.  I love f-lux; it makes using my computer much more comfortable.  And I'll give another shout-out to my new Dell U2410 monitor (CCFL-backlit), which I find much more comfortable to look at than even my old CCFL-backlit Apple Cinema display, even without f-lux.

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