Subject: What causes eyes to change colour?
Date: Mon May 24 15:42:02 1999
Posted by Minh-Duc Nguyen
Grade level: 10-12
School: General Vanier Secondary School
City: Cornwall State/Province: Ontario
Area of science: Anatomy
I understand atmospheric latitudes can explain why certain eye
colours are prevalent in a region. But what I ask is more
simple, although I can't seem to find the answer on my own: I
am ignorant as to why eyes temporarily change colour. For
example, after a good cry, I notice blue-eyed friends often
appear to suddenly have green eyes. Is that a biochemistry
reaction affecting the iris?
Re: What causes eyes to change colour?
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