"Stephen" <mcavoys_AT_aolDOT.com> wrote:
> "bergy" <chr### [at] gmailcom> wrote:
> > Hello,
> >
> > I am new in pov ray, and I want to ask a question...
> >
> > I want to create a human eye, and I have managed to do the basic things, by
> > reading material from here and there. However, what I want to do is to have
> > a precise model of the optics of the eye. For example, the cornea is not one
> > layer, but two layers with different refraction indexes.
> >
> > So, my question is:
> >
> > I want that the light refracts in the interface between the two layers. If I
> > use merge, will this be done? I know that merge removes the inner surfaces,
> > but in this case we are talking about different refraction indexes...
> > If I use union, will it just put (e.g) one sphere in the other, with the
> > internal sphere keeping all the refraction characteristics?
> >
> > Thank you for your answer, sorry if it was answered somewhere else also...
>

> Union a sphere slightly smaller than the inner surface of the cornea for the
> Vitreous Humour. (To avoid coincidental surfaces)

> Eye, Aqueous humour 1.33
> Eye, Cornea 1.38
> Eye, Lens 1.41
> Eye, Vitreous humour 1.34
>
> Stephen

Thanks, Stephen, I'll do that...

I've put the one sphere inside the other with union, it seems ok, but I'll
check your approach for better...

Christos

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