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Transcript
Eye Function, Histology, Visual Pathway Eye Structure Eyebrows Eyelashes Eyelids Conjunctiva Tarsal Glands Extrinsic Muscles Lacrimal apparatus Choroid Suspensory lens Ciliary body Function Prevent sweat dripping Prevent Protect from sun/foreign particles Prevents Containing sebaceous glands to prevent tear overflow and lids sticking together - Eye Structure Conjunctive Cornea Sclera Choroid Anterior cavity Posterior cavity Histology Stratified Dense Connective Tissue, outer layer of Vascular – network of capillaries Filled with Vitreous humor Visual Pathway 1.) Light enters pupil→aqueous humor→lens→vitreous humor, detected by Photoreceptors in Retina. 2.) Electrical stimulation passed to Bipolar Cells→Glaglion cells of retina 3.) Axons of Ganglion cells leave retina, forming Optic Nerve 4.) Optic nerves converge at Optic Chiasm. Ganglion axons decussate/cross over to opposite side of brain 5.) Ganglion axons enter Optic Tract, some to the Superior Colliculi, some to Thalamus 6.) Neurons from Thalamus project to Visual Cortex of Occipital lobe anatomyandy.wordpress.com
