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Monitors & eye strain

  • 20-07-2007 10:09am
    #1
    zoe
    Closed Accounts Posts: 198 ✭✭


    Are there any types of monitor which are shown to reduce eye strain?

    Are flat screen/TFT monitors any better in this matter than the old CRT monitors?

    Thanks


Comments

  • #2
    matt-dublin
    Registered Users, Registered Users 2 Posts: 4,468 ✭✭✭matt-dublin


    Flatscreen/TFT are better for your eyes as there's no glare off them...

    As per standard, if in a work place and you have a crt monitor if you contact hr/IT they should have to replace it with a flatscreen if you're having trouble with your eyes. (euro regs)

    Also you should stare blankly into spare every hour or so for a couple of minutes...
    Ie stare, but look through everything, keeping your eyes unfocused..
    this relaxes the muscles in your eyes therefore reducing strain on them.


  • #3
    Stephen
    Registered Users, Registered Users 2 Posts: 18,484 ✭✭✭✭Stephen


    Its not just "glare", TFT's have no flicker - the image on a TFT/LCD screen is updated whenever it changes, whereas with a CRT it is updated several times per second, depending on the refresh rate in use. If this is low (e.g. 60Hz) there is a noticeable flicker from the screen, which plays havoc with my eyes.


  • #4
    SeanW
    Registered Users, Registered Users 2 Posts: 8,890 ✭✭✭SeanW


    Yes, CRTs are bad for eye strain and LCD flat screens are widely known to be vastly better in this regard.


  • #5
    leeroybrown
    Closed Accounts Posts: 7,563 ✭✭✭leeroybrown


    One important factor to bear in mind in mind is that an LCD monitor typically has a far greater (2x to 3x) brightness than a CRT. Obviously it can be adjusted to suit but a lot of people don't do this.

    As Stephen points out the refresh rate is usually the problem with a CRT. Many people don't seem to notice that they have theirs set to 60Hz. I will go out of my way to avoid using CRT's unless absolutely necessary.


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