7 eye2009

7 eye2009 - irisedu Ciliary muscles relax Zonule fibers...

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irisedu
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L1swf Ciliary muscles relax Zonule fibers stretch Far objects are focused on the retina Ciliary muscle contrast Zonule fibers are slack Near objects are focused on the retina
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Light Distal Proximal outer nuclear layer photoreceptor layer outer plexiform layer inner plexiform layer inner nuclear layer ganglion cell layer
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peripheral retina central retina
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Photoreceptor mosaic, tangential view Fovea, coronal section
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Color code by Barney
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The left hand picture shows the San Diego skyline. The right hand picture is progressively blurred from the center to the periphery. When fixated at their respective centers, both pictures look equally sharp because the progressive blurring in the right hand picture just matches the progressive loss of acuity with eccentricity caused by the increasingly coarse grain of the peripheral retina.
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Macular Degeneration Retinitus Pigmentosa Diabetic Retinopathy Healthy Retina The macula includes the foveal pit, foveal slope, para- and perifovea.
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Scanning Electron Micrograph of Rods and Cones
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This note was uploaded on 04/18/2010 for the course BISC 421 at USC.

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7 eye2009 - irisedu Ciliary muscles relax Zonule fibers...

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