YOUR EYES/YOUR COMPUTER (Full Version)

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staticspark1947 -> YOUR EYES/YOUR COMPUTER (7/10/2008 4:11:26 PM)

People;

Earlier this year I began to have double vision/ ghost images. When I looked this up on the Internet " brain tumor" was one of the listed causes. I ,therefore, decided that I would not blow this out of proportion and I immediately stopped reading this dreadful material because I do not deal with negativity until I absolutely have to!! I made an appointment with an ophthalmologist to find out that I have dry eyes!! I do notice when I work at the computer for prolong stretches of time I start seeing double. He recommended me to use artificial tears(eye drops). My eyes are greatly helped by this. I am glad that I did not get worked up into thinking that I have a brain tumor!! Therefore, if you start seeing double, try some eye drops . Do not automatically think you have a brain tumor!! However , if your symptoms persist go see an ophthalmologist ( eye doctor/ MD) pronto!!. I also find other things to do rather than staring at a computer screen hour after hour!!! Sometimes 4 or 5 days go by and I do not even think of a PC. I was in Hawaii for two weeks and I saw and did many things that I will remember until I die . Not once did I look at a computer screen!!

I submit the following information, I hope this is helpful!!

http:// www.mayoclinic.com/health/eyestrain/WL00060

Dry eyes: Severe dry eyes, such as Sjogren's syndrome, can cause ghost images due to insufficient or poor quality tears. Many people who suffer from dry eyes can be helped by eye drops (over-the-counter or prescription), punctal plugs, oral supplements or medications, lid hygiene techniques or a combination of all these treatments. It's very important to have a dry eye workup and treatment, if necessary, from an eye doctor who has an interest in this disorder and has kept up to date on the latest diagnosis and treatment methods.



dianetavegia -> RE: YOUR EYES/YOUR COMPUTER (7/12/2008 6:21:25 PM)

quote:

Sjogren's syndrome


Were you tested for this? My aunt has it. It's a horrible disease.



Bettawrekonize -> RE: YOUR EYES/YOUR COMPUTER (7/13/2008 1:56:22 AM)

quote:

ORIGINAL: staticspark1947
I made an appointment with an ophthalmologist to find out that I have dry eyes!! I do notice when I work at the computer for prolong stretches of time I start seeing double.


Drink lots of water. Make sure you don't forget to blink when you're using the computer (make a conscious effort to do so). Take breaks in between usages to allow your eyes time to recover. If you have a CRT (big bulky) monitor, replace it with an LCD monitor (CRT monitors are BAD for you eyes if you do a lot of reading). LCD monitors are SO much better for your eyes. If you insist on using a CRT monitor, increase the refresh rate as much as possible (maybe someone can tell you how as soon as you tell us what operating system you are using). Higher refresh rates on CRT monitors are better for your eyes than lower refresh rates (on LCD monitors the standard refresh rate is 60 but on a CRT I recommend at least 100. On an LCD monitor, over 60 HZ can potentially damage your monitor if it's not designed to handle more than 60. Some CRT monitors / video card combos may not support 100 HZ or more, in which case I suggest you get another (LCD) monitor. If you're using a CRT monitor and your refresh rate is something low like 60, that's probably the cause of your problems. From my past experience, reading text for even a short period of time on a CRT monitor with a low refresh rate has caused my eyes to turn red and become very dry and the effect would last for a long time even. Higher refresh rates alleviate the problem significantly. On an LCD monitor at 60 HZ the problem is greatly reduced even more). Make sure your font size is big enough, but not too big. Make sure you are using an easy to read font (you can Google studies on this). Make sure you have a good level of brightness and contrast on your monitor (not too much and not too little). Make sure there is enough contrast between the font color and the background color.

quote:


He recommended me to use artificial tears(eye drops).


That's fine too (in addition to what I listed above).



Bettawrekonize -> RE: YOUR EYES/YOUR COMPUTER (7/13/2008 2:12:40 AM)

quote:


Is it true that LCD monitors are easier on your eyes?



A: Yes. Unlike CRT monitors, the images on LCD monitors refresh a pixel, rather than an entire line, at a time. The images on CRT monitors (as well as televisions) are redrawn at a rapid rate not usually discernable to the eye. This is why photographs of television and CRT screens don't turn out (and why when you look into a dark room brightened only by a television there seems to be mild strobe effect on the walls of the room). This refreshing of CRT screens (measured as frequency) can cause eyestrain for some people. LCDs do not flicker and often cause less eyestrain.


http://www.staples.com/sbd/content/article/i-n/lcdfaqs.html

EVERY eye doctor should know this! This is something they should be taught in school! LCD monitors are WAY better for your eyes than CRT monitors, especially if you do extended reading on them. CRT monitors are BAD for your eyes if you do extended reading on them.

If you insist on a CRT monitor

quote:


Higher refresh rates are preferred for better comfort in viewing the monitor, although above a certain point there is no appreciable difference. Certainly most people cannot tell the difference between refresh rates above 80 Hz, and I know of nobody who can distinguish rates above 100 Hz. Bear in mind also that environmental factors, including the lighting level in the room, can affect perceived flicker as well.


http://www.pcguide.com/ref/crt/resRefresh-c.html

With a CRT monitor you need a higher refresh rate. Again, EVERY eye doctor should know this! This makes a huge difference.

Sorry, but sometimes I wonder about doctors these days. This is stuff eye doctors should know.



Miss Giggles -> RE: YOUR EYES/YOUR COMPUTER (7/13/2008 12:14:21 PM)

Well not to get too off topic but dry eyes are caused by lots of things, not just the computer monitor.

Contacts and allergies are also a big issue. Also as you age some people start to have problems with it.

Also conditions like diabetes, etc cause it. So it may not be the computer monitor - CRTS are phased out of most businesses and flat panels are now in use.



staticspark1947 -> RE: YOUR EYES/YOUR COMPUTER (7/17/2008 1:03:14 PM)

^^^ I do use a flat screen. However, I notice when I am glued to the screen for hours, my eyes really bother me. Too much of anything is always detrimental one way or another. Everything in moderation is the best way to live!!



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