Posted by R D S on 05/29/06 19:50

"kim" <ntscuser@aol.com> wrote in message
news:9qudnZcJifvZA-rZRVny1Q@giganews.com...
> "Andy Upton" <andrew.upton4@ntlworld.com> wrote in message
> news:k1Ldg.1415$zv2.81@newsfe4-gui.ntli.net...
>> What's the point of Ambilight ??
>> I don't get it !
>
> It's to reduce eye-strain and make the viewing experience more
> comfortable.
>
> The iris in an eye opens and closes according to the total amount of
> ambient
> lighting in a room. A TV picture fills only a small angle of vision. If
> you
> view a TV picture against a totally darkened background the iris opens
> right
> up to compensate and allows the picture to burn the retina at the back of
> the eye. By illuminating the surface behind the TV the iris closes down
> and
> prevents retina burn.
>
> (kim)
>
>
Really?
I would have though that the size and brightness of the image of the tv on
the retina would be the same despite surroundings.
The opening of the iris would surely only affect clarity of the image.

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