Re: Block Quote, on or off

  • From: "Yardbird" <yardbird@xxxxxxxxxxxxxx>
  • To: <jfw@xxxxxxxxxxxxx>
  • Date: Sun, 6 Mar 2005 12:52:37 -0800

Just one more, for clarification:

I suddenly understand, Bill, that when you've been talking about using your 
peripheral vision in order to see or read something, you don't *mean* by 
looking away from the object of your interest, which would describe the way 
we normally think of the uses of our peripheral vision.  As I'm sure you're 
aware, and in fact assuming me to know, too, the great majority of the 
photoreceptors in our retinas fall into an area that's called "peripheral," 
not just meaning the very outside edges of our visual fields, the way most 
people imagine.  There's the mid-peripheral area of our visual field, and 
there's the far peripheral area, which is what most people are thinking of 
when they hear the word.

So you're talking about looking directly at something and, if it's big 
enough and there's enough contrast, being able to more or less see it with 
your peripheral vision.  This would apply to me, too.  If I were to install 
a screen magnification program like what I started with when I became 
legally blind (my condition is progressive), then I'd have to blow up the 
text on this email so large that only a couple of characters would fit on 
the screen, and change the colors to white on black for contrast, and *then* 
I could "see" (meaning, then my remaining rod photoreceptor cells could 
perceive) those characters.  But of course, this isn't realistic and 
generally practical.  But it's in that sense that you're referring to seeing 
directly ahead with your non-central vision, isn't it.  Well, a little of 
that peripheral vision is all I've got left, out at the far edges that most 
people actually imagine to be "peripheral vision." so you can imagine the 
visual effect I described.  Full screen but blotchy and vague and with 
things missing all over the place that would reappear right in front of me 
if my macular vision was suddenly turned back on.

Ah, this is a poignant topic.  Loss, compensation, relinquishment.  But I'm 
done, for my part.  I've enjoyed the exchange.
Daniel



----- Original Message ----- 
From: "Bill Powers" <powersradio@xxxxxxxxxxxxx>
To: <jfw@xxxxxxxxxxxxx>
Sent: Sunday, March 06, 2005 12:31 PM
Subject: Re: Block Quote, on or off


Daniel,

Actually your explanation about peripheral vision was very good and I can
accept it. No, when I read peripherally, it's the BIGGER print which would
make up for the eye not seeing detail from the periphery. No, I can't read
small print in my periphery either so what you are saying is right on. If
I'm fixing a computer, for example, while I can see things to my side I
would need a great deal of concentration to attempt looking at those things
in the periphery as opposed to centrally. I can only get away with reading
things to my side if the print is large enough so as to provide me with
something that I don't have to count on real detail to see.

Yeah, wr'e straying away from topic a bit too much here but it's a good
education nonetheless.

Take care,


Bill

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