Labels:baseball glove | book | daily | kite | poster | reckoner | rock | sky | sports ball | tree | tribute album OCR: THE HUMAN EYE Eye and Focus The entire eye often called the eyeball, IS (C Microsoft Corporation 0 spherical structure approximately 2.5 cm in) in Rights Reserved. diameter with pronounced bulge on its forward surface. The outer part of the eye IS composed of three layers of tissue The outside layer is the Expand sclera, protective coating It covers about five sixths of the surface of the eye At the front of the eyeball it is continuous with the bulging, transparent cornea The middle layer of the coating of the eye IS the choroid vascular layer lining the posterior three -fifths of the eyeball. The choroid is continuous with the ciliary body and with the iris, which lies at the front of the eye The innermost layer is the light- -sensitive retina The cornea jc tough five layered membrane th ...
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