Our pupils, those tiny black openings in the center of our eyes, play an essential role in regulating the light that enters our eye. Their ability to dilate and...

Have you ever noticed the fascinating diversity of eye colours, from crystal blue to emerald green to deep brown? But where does this variation come from, and what determines...

Did you know that green eyes are one of the rarest eye colours in the world? If you're lucky enough to come across one, you're looking at a phenomenon as...

Colour blindness is a condition in which a person has difficulty distinguishing between specific colours. Causes and symptoms vary according to the form of colour blindness, but most sufferers lead...

The crystalline lens is a transparent, biconvex structure located in the human eye, positioned behind the iris (the colored part of the eye) and in front of the vitreous body...

Eye colour is mainly determined by genetics and the quantity and type of pigments in the iris. Two main types of pigment responsible for eye colour are brown melanin and...

Eyelashes! Hard to believe a fringe of fine hair could be your eye's first line of defence!    Your eyelids and lashes have a full-time job protecting your eyes and...