Retina Of The Eye: What It Is, Function & Anatomy

Retina Of The Eye: What It Is, Function & Anatomy

Question 1. Enumerate the coats of eyeball.
Answer.

The eyeball consists of the following three coats from superficial to deep these are:

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• An outer fibrous coat called sclera in its posterior five-sixths and cornea in its anterior one-sixth
• The middle vascular coat called the uveal tract (consisting of the choroid, ciliary body and iris)
• The inner neural coat called the retina

Question 2. Write a note on the microscopic structure of the retina.
Answer.

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The cells of the retina are arranged in the following four layers, from outside to inside:

• Pigment cell layer
• Layer of rods and cones
• Layer of bipolar cells
• Layer of ganglion cells