In article <3a1351e7$1@news.povray.org>, "ddombrow" <ddo### [at] vtedu> 
wrote:

> It is true actually that almost all people have a slight astigmatism which
> makes lights have a slight flare effect. This is why we do not always see
> stars as perfect dots of light, and also why some people shouldn't have
> laser eye surgery (which can greatly exaggerate the effect).

I was not claiming otherwise, but that is not the effect that the glow 
patch simulates, though it looks so similar it can be used for that 
effect.

-- 
Christopher James Huff
Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
TAG: chr### [at] tagpovrayorg, http://tag.povray.org/

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