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Do you suffer Headaches from LCD screens

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Copusmaximus

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I am starting to suffer eyestrain and headaches from my LCD screen.. I had my eyes tested yesterday and are they perfectly ok, I do not wear glasses.. My monitor is calibrated and images look how they should, I have tried all different settings on my monitor but still suffer.. It only takes 10 minutes for the headaches to kick in... My screen res is 1440 X 810 (19" WS).. I did suffer this before from my sony 15" monitor set at 1024 X 768 but to the lesser extent than now... Any others suffer this or does anyone have any advice to help ease it...
--

If I have uploaded an image don't hesitate to de-noise it, correct the WB, clone out dust and dead pixels, saturation, USM, resize, print and send me the result..
Also advice and criticise.

Kind Rgds

Heath

(The Amateur amateur in training)
LX1
FZ30
S7000(in sons hands now(sometimes))
Tcon17
Raynox DCR 150 & DCR 250 Mcon40
Nikon SB24+omnibounce
Tripod
CamCane

 
What size LCD do you have?
what resolution do you use?
How far do you sit away?
--

If I have uploaded an image don't hesitate to de-noise it, correct the WB, clone out dust and dead pixels, saturation, USM, resize, print and send me the result..
Also advice and criticise.

Kind Rgds

Heath

(The Amateur amateur in training)
LX1
FZ30
S7000(in sons hands now(sometimes))
Tcon17
Raynox DCR 150 & DCR 250 Mcon40
Nikon SB24+omnibounce
Tripod
CamCane

 
I do not think the monitor is to blame here. LCD monitors do not blink.

You are working too much behind it.

So, stop posting on this forum and rather have a nice walk in nature.
 
Apparently they do blink http://www.cloanto.com/users/mcb/19960719lcd.html the lighting is similar to a Flourescent tube.. Yes I will be out later.. maybe it's all the noise thats causing it
--

If I have uploaded an image don't hesitate to de-noise it, correct the WB, clone out dust and dead pixels, saturation, USM, resize, print and send me the result..
Also advice and criticise.

Kind Rgds

Heath

(The Amateur amateur in training)
LX1
FZ30
S7000(in sons hands now(sometimes))
Tcon17
Raynox DCR 150 & DCR 250 Mcon40
Nikon SB24+omnibounce
Tripod
CamCane

 
...but possiblt the amount of time you have been spending in front of it.

RSI takes less and less time to kick in once it sets in, if you have been overdoing it.

Is your screen res the native (designed) resolution for your monitor?

Is your monitor just below eye level so that your head is slightly tilted down when you view it?

Is the monitor at right angles to your field of view, in both the horizontal and vertical directions? In other words, not tilted down or up, or to one side, but directly and at right angles to a line from the centre of your eyes to the centre of the monitor?

Are you taking a rest from viewing the monitor every 10 minutes or so? Even a glance around the room is enough to refocus your eyes and relieve any strain.

Are you viewing your monitor with good ambient light? A dark room will increase the strain for your eyes...

It is unlikely to be the monitor itself as much as the effort you are taking to view it. Unless, of course, the monitor is somehow out of adjustment. I have seen "fuzzy" LCDs on a poor VGA cable, or when they just needed an "auto" adjust...

Regards

Trevor Ginaus
http://trevorg.smugmug.com

PS Try also varying the distance from the monitor
Copusmaximus said:
I am starting to suffer eyestrain and headaches from my LCD
screen.. I had my eyes tested yesterday and are they perfectly ok,
Click to expand...
 
Thanks for your reply trevor...

I do not work with LCD's nor use them for my day job. I have 3 fairly young children running about so my eyes are very rarely glued to the screen for more than 20min or so at a time..My resolution is the native 1440 X 900 which is correct for my 19" WS lcd..
--

If I have uploaded an image don't hesitate to de-noise it, correct the WB, clone out dust and dead pixels, saturation, USM, resize, print and send me the result..
Also advice and criticise.

Kind Rgds

Heath

(The Amateur amateur in training)
LX1
FZ30
S7000(in sons hands now(sometimes))
Tcon17
Raynox DCR 150 & DCR 250 Mcon40
Nikon SB24+omnibounce
Tripod
CamCane

 
Copusmaximus said:
Apparently they do blink
Click to expand...
I am unconvinced! Not with new generation LCD screens.

You can test it yourself.

Take an old 50 Hz TV set and start taking pictures of the screen at 1/250 shutter priority mode. You'll see all kinds of bad stuff - confirming that the image is blinking.

After that, try it with your LCD monitor. You shall establish that no such bad stuff is present - confirming that the image is not blinking.
 
I think you'll find the LCD monitor better for even extended use.

I do sit in front of my screens for anything up to 15 hours a day (S/W development), and I've found a vast improvement since moving to the pair of 24" Dell widescreens (1920x1200).

THE most important factor is that you MUST drive any half-decent LCD via a DVI connection so that you get exact mapping to pixels on the screen. An ordinary sub-D 15 pin connection won't cut it. You may need a new graphics card with a DVI out connector to do this.

I do suffer a little with sight problems, one eye is short sighted and the other long :) . Even when compared to my previous top-of-the-range 21" SONY CRT, the DELL LCD's win in every way and cause me less eye strain.

--
Colin
http://www.pbase.com/cdyckes
 
Copusmaximus said:
What size LCD do you have?
Click to expand...
I was going to ask you the same but mine main LCD is a 19" with my secondary 19" CRT
Copusmaximus said:
what resolution do you use?
Click to expand...
The LCDs native 1280x1024 & the CRT set @ 1024x768... Is your LCD set to it's native rez... I read anything other than the native on LCD's isn't as good... Maybe that might be imperceptively causing your problem??? If you're not using your monitors native rez that is...
Copusmaximus said:
How far do you sit away?
Click to expand...
Within inches of 4' away from the LCD & within inches of 5' from the CRT....
I do lean in every once-in-a-while to pixel-peep though...
--

The Amateur Formerly Known as 'UZ'pShoot'ERS' 'Happy Shootin' Comments, Critique, Ridicule, Limmericks, Jokes, Hi-jackings, EnthUZIastically, Encouraged... I Insist!



* [email protected] * http://www.pbase.com/rrawzz * EffZeeThreeZero / CeeEightZeroEightZeroDoubleUZee / CeeTwoOneZeroZeroUZee / EOneHuderedAreEss
 
Along with what others have suggested, what's behind your monitor? A background that is either excessively bright or dark can create too much contrast and strain the eyes.

All in all sounds like a physical positioning problem. Do you have any other aches or strains from the computer? I had a chair height/ keyboard height problem that very subtle created strain in my neck and shoulders that sometimes included headaches. I'd suggest a thorough evaluation of your setup, including ambient lighting, reflections, etc.
Dan Daniel
 
I think you'll find that an LCD monitor doesn't give off the same radiation/harmful effects that the old CRT did!

I had a really good quality CRT and even that when in protracted use used to make my eyes water and give the same stinging sensation one could get from a mild 'welding flash'!

I now use a 17" LCD and don't have the problems I used to suffer from with the CRT.

Headaches usually equate with eye-strain! Eye-strain has several causes but protracted use is the main one! Keep taking breaks if using the monitor for long periods!

Try reducing contrast too on your monitor - it can also cause the above effects! You don't need the monitor to be so bright when viewing text and usually you can 'down-contrast' for viewing text with most modern monitors at the press of a button!
The main thing is to protect your eyesight and health - you can't upgrade that!
Regards...
Tony
--



http://mysite.orange.co.uk/tsphoto/monochrometests.htm
 
Heath,

I have to work with computers and switched to LCDs 3 years ago, even bought 2 for the office myself. I have one 19" , two 17" as main screens and two 15" . The 19" and 17" are set to 1024x768, the screens are more than an arms length away from my face (about 30 cm from the far end of the keyboard) and eyes are level with the upper third of the vertical screen. I added at home an office chair with adjustable armrests, seat inclination and high backrest for relaxed seating. My suggestion, reduce the resolution and increase the distance between you and the screen and invest in a comfortable office chair.
--
Henk

Donde una puerta se cierra, otra se abre
 
Thanks Henk,

I have tried different resoloutions but the proper resolution for the screen is easier to view... less strain.... I think it might be the lighting so over the next week I will change a few things and see what happens
--

If I have uploaded an image don't hesitate to de-noise it, correct the WB, clone out dust and dead pixels, saturation, USM, resize, print and send me the result..
Also advice and criticise.

Kind Rgds

Heath

(The Amateur amateur in training)
LX1
FZ30
S7000(in sons hands now(sometimes))
Tcon17
Raynox DCR 150 & DCR 250 Mcon40
Nikon SB24+omnibounce
Tripod
CamCane

 
Its the text that seems to be the thing I have problems viewing...either the clear type or standard...images are clear and bright and give no problems

--

If I have uploaded an image don't hesitate to de-noise it, correct the WB, clone out dust and dead pixels, saturation, USM, resize, print and send me the result..
Also advice and criticise.

Kind Rgds

Heath

(The Amateur amateur in training)
LX1
FZ30
S7000(in sons hands now(sometimes))
Tcon17
Raynox DCR 150 & DCR 250 Mcon40
Nikon SB24+omnibounce
Tripod
CamCane

 
Copusmaximus said:
Its the text that seems to be the thing I have problems
viewing...either the clear type or standard...images are clear and
bright and give no problems
Click to expand...
Heath,

maybe try another browser. I do not know much about Windows and IE (almost nothing) as the latter does not work on my platforms of choice. I am using Firefox, and there is a wide range of fonts one can choose from (in the Content section [globe symbol]).
--
Henk

Donde una puerta se cierra, otra se abre
 
Often I see people with their monitors set at 60khz. It totally drives my eyes crazy.

Set it at 75khz or more.

(You may know how to do this, just posting for others benefit)

Desktop right click
Properties
Settings
Advanced
Monitor tab
Screen refresh rate Pull down menu (Should be a number of refresh rates)

If your video adapter won't do 75khz, at least change it to anything higher than 60khz.

--
Slow down! You'll miss... life

http://www.pbase.com/ramblin_mo/galleries
(See profile page for current and past cameras)
 
you may have hit the nail on the head.. My refresh rate is 60 but there no other options available..when i first connected this lcd i was surprised that other chiced for refresh were not available.. also it has been connected as a plug and play monitor..
--

If I have uploaded an image don't hesitate to de-noise it, correct the WB, clone out dust and dead pixels, saturation, USM, resize, print and send me the result..
Also advice and criticise.

Kind Rgds

Heath

(The Amateur amateur in training)
LX1
FZ30
S7000(in sons hands now(sometimes))
Tcon17
Raynox DCR 150 & DCR 250 Mcon40
Nikon SB24+omnibounce
Tripod
CamCane

 
I don't use an LCD to view images, I too get headaches from it. To my eyes, an LCD is no where near as sharp as a CRT monitor.
 
tonymp said:
Headaches usually equate with eye-strain! Eye-strain has several
causes but protracted use is the main one! Keep taking breaks if
using the monitor for long periods!
Try reducing contrast too on your monitor - it can also cause the
above effects! You don't need the monitor to be so bright when
viewing text and usually you can 'down-contrast' for viewing text
with most modern monitors at the press of a button!
Click to expand...
Oh yeah- I forgot about this. I've dropped both the brightness and the contrast of my iLCDs to make them less of a strain to look at. If you have do calibration, go for a brightness of 120 cd/M2 (?) Most LCDs are screaming bright.
Dan Daniel
 
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