“Higher melanin levels lead to darker pupils. Lower melanin levels lead to light or blue eyes.” Of course, not all blue eyes ...

"Miosis" is a medical term that describes the constriction of the pupils. Learn its causes, symptoms, and how to treat it.

That coloured circle is called the iris and the black spot in the middle is the pupil. This is the part of the eye that lets the ... green and blue, and all the millions of shades in between.

A BAND released their latest single - thanks to help from pupils at a local primary school.Cellar Thieves revealed their... Local News News Barnsley South Yorkshire ...