2) vision the special senses 13 th edition chapter 17 pages 635 - 671 12 th edition chapter 17 pages...
TRANSCRIPT
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2) Vision
The Special Senses
13th edition
Chapter 17
Pages
635 - 671
12th edition
Chapter 17
Pages
598 - 633
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Anatomy of the eye
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Anatomy of the eye
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Anatomy of the eye
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Anatomy of the eye
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Anatomy of the eye
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Intraocular Fluid
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Intraocular Fluid
Glaucoma
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Retina
Pigmented layer
Photoreceptors
Bipolar cells
Ganglion cells
Horizontal cell
Amacrine cell
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Photoreceptors
Cones
Rods
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Photoreceptors
Cones
Rods
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Light Detection
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Light Detection
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Light Detection
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Light Detection
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Photoreceptors
Cones
Rods
Cones
Rods
Photopsin : blue, green and red sensitive pigments
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Optics of Vision
Light refraction
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Optics of Vision
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Optics of Vision
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Accommodation
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Vision problems
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Vision problems
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Visual acuity
Normally , people has the ability to distinguish contours that are approximately 1.75 mm apart at 6 meters distance from the eye
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Vision problems
Astigmatism : irregular curvature of either the cornea or the lens, which lead to blurred or distorted vision due to parts of the image are out of focus.
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Light Adaptation
Pupillary size
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Pupillary LightReflex
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Olivary pretectal nucleus
Edinger-Westphal nucleus
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Light Adaptation
Pupillary size
Neural adaptation
Photoreceptor adaptation
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Light Adaptation Pupillary size Neural adaptation Photoreceptor adaptation
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VISUAL PATHWAY
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