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Forum index » Medicine forums » patology
Methanol Poisoning; Symptoms and Mechanisms
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Radium
medicine forum addict


Joined: 17 Nov 2005
Posts: 87

PostPosted: Sat May 27, 2006 5:11 pm    Post subject: Methanol Poisoning; Symptoms and Mechanisms Reply with quote
Methanol blinds the left eye by attacking the cells that make up its
lens. Symptoms are:

1. Visual distortion; 2-D images appear 3-D; visual hallucinations
2. Loss of image perception
3. Loss of color perception
4. Sudden and complete blindess; subject cannot tell even dark or
light!; the description is usualy "seeing nothing at all", no light, no
darkness. Just totaly blank. Wierd feeling!
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Rich
medicine forum Guru


Joined: 03 May 2005
Posts: 585

PostPosted: Sat May 27, 2006 5:29 pm    Post subject: Re: Methanol Poisoning; Symptoms and Mechanisms Reply with quote
"Radium" <glucegen1@excite.com> wrote in message
news:1148749895.167093.114300@j55g2000cwa.googlegroups.com...
Quote:
Methanol blinds the left eye by attacking the cells that make up its
lens. Symptoms are:

1. Visual distortion; 2-D images appear 3-D; visual hallucinations
2. Loss of image perception
3. Loss of color perception
4. Sudden and complete blindess; subject cannot tell even dark or
light!; the description is usualy "seeing nothing at all", no light, no
darkness. Just totaly blank. Wierd feeling!


Actually, methanol is converted to formaldehyde by an enzyme in the liver
called dehydrogenase. Formaldehyde is a potent toxin that can cause
seizures, blindness (in both eyes, not just the left), metabolic acidosis,
coma, and death.
--


--Rich

Recommended websites:

http://www.ratbags.com/rsoles
http://www.acahf.org.au
http://www.quackwatch.org/
http://www.skeptic.com/
http://www.csicop.org/
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joe kerr
medicine forum beginner


Joined: 28 May 2006
Posts: 1

PostPosted: Sun May 28, 2006 9:33 am    Post subject: Re: Methanol Poisoning; Symptoms and Mechanisms Reply with quote
On Sat, 27 May 2006 10:11:35 -0700, Radium wrote:

Quote:
Methanol blinds the left eye by attacking the cells that make up its lens.
Symptoms are:

1. Visual distortion; 2-D images appear 3-D; visual hallucinations 2. Loss
of image perception
3. Loss of color perception
4. Sudden and complete blindess; subject cannot tell even dark or light!;
the description is usualy "seeing nothing at all", no light, no darkness.
Just totaly blank. Wierd feeling!

What a loon.
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Robert Redelmeier
medicine forum beginner


Joined: 28 Jun 2005
Posts: 27

PostPosted: Sun May 28, 2006 1:40 pm    Post subject: Re: Methanol Poisoning; Symptoms and Mechanisms Reply with quote
In sci.med.vision joe kerr <joe.kerr@no.spam> wrote in part:
Quote:
On Sat, 27 May 2006 10:11:35 -0700, Radium wrote:
Methanol blinds the left eye by attacking the cells that
make up its lens. Symptoms are:

1. Visual distortion; 2-D images appear 3-D; visual
hallucinations
2. Loss of image perception
3. Loss of color perception
4. Sudden and complete blindess; subject cannot tell even dark
or light!; the description is usualy "seeing nothing at all",
no light, no darkness. Just totaly blank. Wierd feeling!

What a loon.

That is being generous. I think troll is more likely.
Unfortunately an important subject that needs correction.
Accurate information is trivially easy to find:

http://www-clinpharm.medschl.cam.ac.uk/pages/teaching/topics/poison/poison9.html

Note the heavy use of ethanol as an antidote: it blocks
(competition) the oxidation pathways to reduce the formic
acid generation and allow elimination.

-- Robert
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