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computer filters

Thu, 03/01/2007 - 07:54
hi i was wondering if anyone knew what the best type of computer filter screen was to get for an epileptic to stop the comp affecting me so much??? emily :o) x x x

Comments

Re: and more computer info

Submitted by SunflowerPower on Fri, 2008-02-01 - 14:59

As for the idea that a DVI connection has less flicker, thats not a straight forward explanation either. DVI ports are compatible with Progressive-Scan technology that has less flicker than interlaced technology, which is what old-fashion connections use. The difference in flicker is small, and I doubt it will make any difference for people with flicker sensitivity. DVI monitors now support flicker rates above 60hz. Perhaps they didn't when they first came out.

There are several mechanisms that cause flicker, but the top two that matter is the pulsing of the phosphors in a CRT monitor and the refresh rate. There are obviously a lot of different elements involved and there is no point into splitting hairs and going into technical details. The bottom line is that LCD screens have far less flicker that CRT screens, and you can also reduce flicker by raising the refresh rate on your monitor. The flicker on an LCD with a refresh rate of  60-75hrz should be invisible to the human eye and most likely won't bother anyone's brain.

That website is kinda crazy. Somehow I doubt LCD screens cause fibromyalgia.

As for the idea that a DVI connection has less flicker, thats not a straight forward explanation either. DVI ports are compatible with Progressive-Scan technology that has less flicker than interlaced technology, which is what old-fashion connections use. The difference in flicker is small, and I doubt it will make any difference for people with flicker sensitivity. DVI monitors now support flicker rates above 60hz. Perhaps they didn't when they first came out.

There are several mechanisms that cause flicker, but the top two that matter is the pulsing of the phosphors in a CRT monitor and the refresh rate. There are obviously a lot of different elements involved and there is no point into splitting hairs and going into technical details. The bottom line is that LCD screens have far less flicker that CRT screens, and you can also reduce flicker by raising the refresh rate on your monitor. The flicker on an LCD with a refresh rate of  60-75hrz should be invisible to the human eye and most likely won't bother anyone's brain.

That website is kinda crazy. Somehow I doubt LCD screens cause fibromyalgia.

Re: computer filters

Submitted by Anonymous on Fri, 2007-03-02 - 09:09
Hi Emily,

You can also change the flash frequency on your computer. Let me forward this to the webmaster who can answer this more intelligently than me!

Epi_help

You can also change the flash frequency on your computer. Let me forward this to the webmaster who can answer this more intelligently than me!

Epi_help

PLEASE HELP WITH THIS!! I

Submitted by justbearlie on Fri, 2007-03-02 - 10:52
PLEASE HELP WITH THIS!! I have heard that computer filters will help also and have been looking into getting one myself. PLEASE let us know(and I have never heard of the flash frequency so pls. explain) Thank you! Marianne

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