Fill in the blank spaces in the paragraph below by typing the correct answers from the list given
Hint: Retina, suspensory ligaments, lens, light, orbit, tears.
The eye is a complex sense organ whose function is to receive   by which an animal perceives and distinguishes objects in it’s environment.
It is located in a socket in the skull called    which offer protection against physical damage.
In vertebrates there is a lacrimal gland which secretes a watery fluid called  .
It has a transparent biconvex structure behind the pupil called  
held in position by  .
The light sensitive layer of the eye is known as  .