Structure Of Eye | UNCTION OF THE EYES Structure and Function of the Eyes

 Our Eye Contains Eye Lids, Eye Lashes, Eyebrows And Lacrimal Glands. A Thin Layer, Called Conjuctiva Covers The Front Portion Of The Eye. The Eye Ball Is Located In The Eye Socket. Only 1/6 Portion Of The Eye Ball Is Visible To Us. 


Eye Has Three Main Layers. They Are Sclerotic Layer On Sclera, Choroid Layer And Retina. The Outer Most Thick, Tough, Fibres, Non-Elastic And White Coloured Layer Is Sclera. The Sclera Bulges And Forms Cornea. The End Of Sclera Connects To The Optic Nerve. The Second Layer Is Choriod Layer. This Layer Is Black In Colour And Contains A Lit Of Blood Vessels. It Encloses The Eye Except The Part Pupil. The Part Formed By The Choroid Layer Around The Pupil Is Iris. Radial And Circular MusclesAre Present In The Iris. Biconvex Lens Is Present Immediately Behind The Pupil Which Is Attached To The Ciliary Muscles And Suspensory Ligaments 


The Lens Divides The Inner Eye Ball As Aqueous Chamber And Vitreous Chamber Aqueous Chamber Is Filled With Water Like Fluid Whereas Vitreous Chamber Is Filled With Jelly Like Fluid|

Retina Contains The Cells, Called Rods And Cones. The Area Of No Vision, Called Blind Spot And The Area Of The Best Vision, Called Yellow Spot Are Present In The Retina. The Yellow Spot Is Also Called Macula Or Fovea 





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