The EyeWebCT

The EyeWebCT - THE EYE 1. Anatomy of the eye 2. The Retina...

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THE EYE 1. Anatomy of the eye 2. The Retina 3. Phototransduction 4. Neural Processing 5. Neural pathways
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Anatomy of the Eye Sclera – connective tissue Cornea – allows light to enter Middle Layer Choroid – absorbs light Ciliary Body – attaches lens Lens – focuses light on retina Iris – pigmented smooth muscle Pupil – hole in iris Inner Layer Retina – neural tissue, contains rods (monochromatic) & cones (color) Fovea – greatest visual acuity Optic disk (blind spot – where optic nerve and blood vessels pass through retina) Outer Layer
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2. The Retina Inner layer – Ganglion cells (generate APs) Middle layer – Bipolar cells Outer layer – Photoreceptors : rods (monochrome/ low light) and cones (color/bright light) 3 layers: Amacrine cells & Horizontal cells modulate communication (similar to lateral inhibition)
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To provide clear pathway to fovea, the bipolar and ganglion cells must be displaced laterally.
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This note was uploaded on 10/14/2010 for the course ZOO 4125 taught by Professor Flanigan during the Fall '10 term at Wyoming.

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The EyeWebCT - THE EYE 1. Anatomy of the eye 2. The Retina...

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