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Re: Computer displays that correct vision possible?
| CWatters | 08 May 2008 18:13 |
> On May 3, 9:59 am, "CWatters"
> <colin.watt...@NOturnersoakSPAM.plus.com> wrote:
[quoted text clipped - 19 lines]
>
> Mark L. Fergerson
Nope. It means you have a problem focusing on distant objects. It doesn't
mean obects appear to you to be at the wrong distance. Important difference.
Holograms are all about reproducing an effect caused by stereoscopic
vision - which needs two eyes. They make parts of the image appear nearer or
further away by presenting each eye with a different image. If you only have
one eye you can't see the 3D effect.
Aside: If you only have one ey you can see _a_ 3D effect if you move your
head or the hologram but that's a different 3D effect. In that case you are
seeing something more akin to a sequence of 2D images.
|
| nuny@bid.nes | 05 May 2008 03:10 |
On May 3, 9:59 am, "CWatters"
<colin.watt...@NOturnersoakSPAM.plus.com> wrote:
> "Amir Michail" <amich...@gmail.com> wrote in message
>
[quoted text clipped - 12 lines]
> things at the wrong distance - so correcting the apparent distance using a
> 3D effect doesn't help.
Beg pardon? I am "nearsighted". Guess what the term means.
Mark L. Fergerson
|
| CWatters | 03 May 2008 16:59 |
> Imagine using a laptop without having to wear corrective
> eyeglasses.
[quoted text clipped - 4 lines]
>
> Amir
I don't think so... People who need glasses don't have a problem seeing
things at the wrong distance - so correcting the apparent distance using a
3D effect doesn't help.
|
| Amir Michail | 03 May 2008 13:34 |
Imagine using a laptop without having to wear corrective
eyeglasses.
I know that 3D displays exist that don't require special glasses.
So maybe this is possible as well?
Amir
|
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