MadSci Network: Anatomy

Subject: Why do irises change color?

Date: Sun Oct 17 14:58:42 2004
Posted by Fi
Grade level: nonaligned School: n/a
City: Dublin State/Province: No state entered. Country: Ireland
Area of science: Anatomy
ID: 1098043122.An

My boyfriends eye iris color changes periodically - both eyes are brown most of
the time but can change to green.  I first noticed this 7 months ago, and have
since discovered his eyes change in natural light and indoors, there's no
(obvious) pattern or reason.  When I searched the net on this topic, I saw a
similiar question - wondering if anyone has more info?  The answer given by
Kenton McWilliams (ref: May 30 20:57:32 2004) doesn't really solve this as my
boyfriend is 26 years old.  So anyone know why his iris can go from green to
brown to green?

Re: Why do irises change color?

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