The human eye is made up of more than 20 main parts.  For example, the eye has many membranes like the Sclera, which covers 80% of the eye, and the cornea, which covers the rest, located at the front of the eye.  The sclera is translucent and the cornea is transparent.  Another membrane is called the chloride, underneath the Sclera and the cornea.  It has two main purposes: feeding the eye and absorbing light with black pigment.

At the back of the eye, there is a membrane called the Retina.  Its cells detect light, then turns it into electric messages.  These messages go through the optic nerve to the brain.  

The conjunctive is a transparent and mucus-like membrane.  It lines the inside of our eyelids to the cornea.  It helps keep the eye humid with the help of the lachrymal glands.

The iris a coloured ring located in the center of the eye.  In the middle there is a black dot called the pupil.  It lets light pass through to the inside of the eye.  

Inside the eye there are two chambers: the anterior chamber and the posterior chamber.  The anterior chamber is located at the front of the eye, and it contains a liquid called the aqueous liquid.  The posterior is full of a gelatin-like liquid called vitreous humour.

The crystalline is a filter of light and helps to project it onto the retina.   

 

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