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Re: Revising 2.4 to deal with timeout barriers

From: Anne Pemberton <apembert@erols.com>
Date: Wed, 23 May 2001 18:22:13 -0400
Message-Id: <>
To: "Matt May" <mcmay@bestkungfu.com>, <apembert45@lycos.com>, "Adam Victor Reed" <areed2@calstatela.edu>, <w3c-wai-gl@w3.org>

    See the quote from the Epileptic organization in Britain, where TV's
are a problem. What do you mean by CRT? Pokemon is typically used on a
GameBoy which may be the problem, not a computer monitor ...


At 09:47 AM 5/23/01 -0700, Matt May wrote:
>----- Original Message -----
>From: "Anne Pemberton" <apembert45@lycos.com>
>>    Do flickering web pages cause seizures? Has it ever happened, even
>The most publicized evidence of CRTs causing photic seizures was the Pokemon
>incident in 1997. Almost 700 kids were taken to the hospital after having
>had a seizure when a 12Hz red-blue strobe appeared on the screen. Further
>research showed that .75% of a sample of over 4000 had seizures when they
>saw this scene, half of those being their first seizure. And another 10.4%
>reported eye pain, dizziness, headaches, nausea, etc., as a result, with
>over 3/4 of those reporting those problems for the first time[1]. Similar
>problems were found back in '87 with a Wang Chung video, which was pulled
>off the air.
>Has there been a similar reported widespread case on the web? No, but that's
>not to say the capability of inducing seizures isn't there, or that it
>hasn't already occurred. The display mechanism is similar enough between TVs
>and computers that the possibility is much more than theoretical.
>[1] http://optics.org/article/news/05/2/1
Anne Pemberton

Received on Wednesday, 23 May 2001 18:13:13 UTC

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