24th June 2016

When the colour of one eye is different from the other

Heterochromia iridium is a condition in which a person has two differently coloured eyes. This usually occurs due to excess or lack of the pigment melanin in the iris. Heterochromia can be genetic or caused from injury. It is primarily of three kinds depending upon the area of the eye affected.

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16th May 2016

Tongue prints for identification

Every person, including identical twins, has a unique eye and tongue print along with their finger print. Tongue prints are as distinctive as eye and finger prints.  The technique of biometry is being used to identify individuals using the uniqueness of the iris. Nowadays, tongue prints are also being considered for biometrics, since tongues are protected in the mouth and hence difficult to forge.

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