The eye is the photo-receptor organ. Size and shape: Human eye is spherical about 2.5 cm in diameter. Location: it is situated on an orbit of the skull and is supplied by the optic nerve. There are 6 sets of muscles attached to the outer surface of the eyeball which helps to rotate it in a different direction. Four sets of these muscles are straight muscles; superior, inferior, medial and lateral rectal muscle and two sets are oblique muscles; superior and inferior oblique muscles. Structurally two eyes are separated but some of their activities are coordinated so that they function as a pair. The anatomical structure of Eye Eyeball consists…