Layers of eye and their functions ?

The eye is made up of three layers: the outer layer called the fibrous tunic, which consists of the sclera and the cornea; the middle layer responsible for nourishment, called the vascular tunic, which consists of the iris, the choroid, and the ciliary body; and the inner layer of photoreceptors and neurons called the nervous tunic, which consists of the retina.

Step-by-step explanation:

1 Outer coat (fibrous tunic)

The eye’s outer layer is made of dense connective tissue, which protects the eyeball and maintains its shape. It is also known as the fibrous tunic

2 Middle coat (vascular tunic)

The middle layer of tissue surrounding the eye, also known as the vascular tunic or „uvea“, is formed – from behind forward – by the choroid, the ciliary body, and the iris

3Inner coat

The third and inner coat of the eye is the retina, which is responsible for the perception of images – vision

3Inner coat

The third and inner coat of the eye is the retina, which is responsible for the perception of images – vision

The lens

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step-by-step explanation: