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Anatomy Of Eyeball

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This is a brief account of anatomy of eyeball. Each eyeball (FIG-1) is a cystic structure kept distended by the pressure inside it.  • Shape. Although, generally referred to as a globe, the eyeball is not a sphere but an oblate spheroid.  • Poles. The central point on the maximal convexities of the anterior and posterior curvatures of the eyeball is called the anterior and posterior pole, respectively.  • Equator of the eyeball lies at the mid plane between the two poles  Dimensions of an adult eyeball  • Anteroposterior diameter 24 mm  • Horizontal diameter 23.5 mm  • Vertical diameter 23 mm  • Circumference 75 mm  • Volume 6.5 ml  • Weight 7 gm Coats of the eyeball * Fibrous coat * Vascular coat *Nervous coat Segments Of and Chambers of the eyeball                                                   ...