Uncommon: The red iris of an albino is due to lack of pigment in the eye so that light reflected from the back which is red transilluminates the iris and it appears red (it is actually whitish). An iris may also look red if it is covered in blood vessels (rubeiosis) and some rare tumors may also give a reddish appearance.
Answered 4/23/2013
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A doctor has provided 1 answer
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