Blue haze was what one of the Doria victims described on the dive before 
he killed himself swimming over to the anchor line (on the surface).  I 
think that's in the book "Deep Descent".  I've been looking like crazy 
in the medical literature but so far zip.
Wendell

Joel Svendsen wrote:

>This reminds me of a good story:
>
>Many years ago an old dive buddy of mine (and deep air advocate) told me
>about his attempt to dive the Liberty Ship in Miami on deep air--solo.  The
>ship lies in 372FT.  He said that he got to about 320 and he could see the
>deck of the ship, but that he started seeing dots and had had tunnel vision.
>
>
>At that point he knew he was in trouble so he told me he "closed his eyes
>and hung on to his power inflator with both hands."  He came to at about
>120FT on the way back up, stabilized his ascent, relocated the anchor line
>and after some decompression stops got out of the water in good shape.  He
>told me that he "learned his lesson" and would never again dive past 300FT
>on air :).  To the amazement of us all, old age killed him before deep air
>did.  
>
>Anyway, is this "blue dots in a narrowed field of vision" actually O2
>toxicity?  Until I read your post I had not heard anyone else describe a
>similar phenomenon.  
>
> - Jody
>
>-----Original Message-----
>From: Joe [mailto:joe@po*.co*] 
>Sent: Wednesday, September 11, 2002 3:17 PM
>To: George Irvine; Techdiver@Aquanaut.Com
>Subject: Re: O2 exposure
>
>This guy will never get it.  I just hope that the people in VB will realize
>how sorely inadequate his knowledge of diving is.  In one post he embraced
>every piece of misinformation about O2 toxicity ever put out. Reminiscent of
>when the deep air aficionados used to say that if you started to see "blue
>dots" in a "narrowed" field of vision it was time to begin your ascent
>because you were about to tox.  I just hope for his sake and everyone around
>him that he can get past the hubris and learn to recognize good information
>when he sees it.
>
>
>--
>Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'.
>Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
>  
>


--
Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'.
Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.

Navigate by Author: [Previous] [Next] [Author Search Index]
Navigate by Subject: [Previous] [Next] [Subject Search Index]

[Send Reply] [Send Message with New Topic]

[Search Selection] [Mailing List Home] [Home]