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there are 3 layers to the animal and human eye:

1. External, which includes cornea and sclera

2. Intermediate, which has two parts

a. Anterior, includes iris and ciliary body

b. Posterior, includes choroid

3. Internal, which is the retina.

Some nocturnal animals like cats for instance have a layer in the back of the eye that reflects/multiplies light coming into the eye, thus allowing them to see in the dark better. This layer is called the "Tapetum lucidum".

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13y ago
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14y ago

This is a very vague question as every section of they eye has many layers. For example, the cornea (clear layer on the front of the eye) has 5 layers. The retina (in the back of the eye) has 10 layers. But these are only 2 areas of the entire eye.

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Q: How many layers does the eye have?
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