HETEROCHROMIA - Color difference in Eye (Iris)
Posted Date: 15-Nov-2009
Human body is a most complex design. Our body consists of different parts and organs. Of which the
Eye, Ear, Nose, Tongue and Arm are called the Five organs of senses
. Of all the 5 sense organs, eyes are more sensitive and needs more care.
Defects and abnormalities in human body are common. And one of such defect in eyes is called Heterochromia.
Heterochromia is a condition where there will be different colors in eyes of same person
. The color of the normal iris is due to the
concentration and distribution of melanin
. But when this melanin gets decreased we get
and when it is increased we get
Heterochromia is not specifically for eyes but it is also a defect for skin and hair, but the later two are very rare. Heterochromia is common in animals than human.
The defect in eye is medically called as heterochromia-iridis or heterochromia-iridium
Types of Heterochromia
There are mainly three types of heterochromia in eyes
• Complete Heterochromia
• Partial or Sectoral Heterochromia
• Central Heterochromia
is the normal case where each eye will have different colors.
Heterochromia in Cat
is a case in which a part of a iris will have different color.
In case of
, the difference in color is seen at the centre or around the pupil of the eye.
However Partial and Central Heterochromia are very rare.
Heterochromia is generally
hereditary with Hirschsprung’s disease and Waardenberg syndrome
It may also cause due to
injury of the eye, bleeding and infection
Some cases of
Glaucoma will also lead to heterochromia
Symptoms and Treatment
The symptom is change in color and when a change in color of the iris is noted then there needs to be a complete and thorough examination of the eye immediately.
Only after examination it can be found whether it leads to any other medical problem.
Heterochromia in Cat
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