Re: Shark eyes (was: ???????Question??????

["Charles Andrew" <candrewpsu@xxxxxxxxxxxxx>]

If nothing like the IR contacts is found then your friend should see an eye
doctor.  The lens of the eye most likely changes specral characteristics
and perhaps the vitreous humor does, as well.  It would be nice to have
found
a non-invasive way to find some pre-clinical disease like glaucoma,
age-related
macular degeneration and so on.  Anything that is so obvious must be taken
seriously.  (Optometery is the profession of testing the refractive power
and visual range of the eye.)
----- Original Message -----
From: Willem-Jan Markerink <w.j.markerink@xxxxx>
To: Ruth Thompson <rutkat@xxxxxxxx>
Cc: <infrared@xxxxx>
Sent: Sunday, April 02, 2000 5:40 PM
Subject: Shark eyes (was: ???????Question??????


> On  2 Apr 00 at 13:27, Ruth Thompson wrote:
>
> > You invited questions or comments of any kind on your webpage so as
> > weird as my question is
> > I'll take you up on your offer and ask this:
> >
> > My friend has a pair of those cheap low grade night vision binoculars.
> > After playing around with them for a bit there's something that I just
> > can't grasp when it comes to how they function and I hope you can
> > explain it to me, I'd really appreciate it.  Here's what happened.  I
> > was viewing my friend and his dog,  he was a bit fuzzy looking but I had
> > a difficult time seeing his eyes.  I was able to see his dogs image as
> > being very crisp no glow around him and his eyes were dark until he came
> >
> > close to me then they glowed bright white.  I had my friend take the
> > camera and look at me with the dog.  He became very nervious and said my
> > eyes were also glowing a bright white.  What I don't understand is why
> > through night vision was my friend able to see white from my eyes and
> > I wasn't able to see any color when looking at his eyes.
>
> Not sure how to explain the difference, but the eiry white glow of
> eyes is also common with infrared photography, and called 'shark
> eyes'.
> So don't start the exorcism yet, and don't kill the dog!....;-))))
>
> Your friend didn't wear contact-lenses, did he?
> (possibly IR-proof plastic)
>
> If you want to explore this topic indepth, I recommend you subscribe
> to the Infrared Photography Mailinglist....
>
> (CC'd to the list already, maybe someone has noticed this eye-diversity
> before)
>
>
>
>
> --
> Bye,
>
> Willem-Jan Markerink
>
>
>       The desire to understand
> is sometimes far less intelligent than
>      the inability to understand
>
>
> <w.j.markerink@xxxxx>
> [note: 'a-one' & 'en-el'!]
> *
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