The Eye. The eye is an organ that can detect light and convert sit into a electro- chemical impulse...
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Transcript of The Eye. The eye is an organ that can detect light and convert sit into a electro- chemical impulse...
![Page 1: The Eye. The eye is an organ that can detect light and convert sit into a electro- chemical impulse that is transferred to the brain.](https://reader035.fdocuments.net/reader035/viewer/2022062500/5697bfb61a28abf838c9e692/html5/thumbnails/1.jpg)
The Eye
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The EyeThe eye is an organ that
can detect light and convert sit into a electro-chemical impulse that is transferred to the brain.
![Page 3: The Eye. The eye is an organ that can detect light and convert sit into a electro- chemical impulse that is transferred to the brain.](https://reader035.fdocuments.net/reader035/viewer/2022062500/5697bfb61a28abf838c9e692/html5/thumbnails/3.jpg)
External structures of the EYE
Caruncle
Tear gland
![Page 4: The Eye. The eye is an organ that can detect light and convert sit into a electro- chemical impulse that is transferred to the brain.](https://reader035.fdocuments.net/reader035/viewer/2022062500/5697bfb61a28abf838c9e692/html5/thumbnails/4.jpg)
External structures of the EYE
• Tear gland:
![Page 5: The Eye. The eye is an organ that can detect light and convert sit into a electro- chemical impulse that is transferred to the brain.](https://reader035.fdocuments.net/reader035/viewer/2022062500/5697bfb61a28abf838c9e692/html5/thumbnails/5.jpg)
External structures of the EYE
• Tear gland: produces tears
![Page 6: The Eye. The eye is an organ that can detect light and convert sit into a electro- chemical impulse that is transferred to the brain.](https://reader035.fdocuments.net/reader035/viewer/2022062500/5697bfb61a28abf838c9e692/html5/thumbnails/6.jpg)
Anterior structures of the EYE
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Anterior structures of the EYE
• Sclera:
![Page 8: The Eye. The eye is an organ that can detect light and convert sit into a electro- chemical impulse that is transferred to the brain.](https://reader035.fdocuments.net/reader035/viewer/2022062500/5697bfb61a28abf838c9e692/html5/thumbnails/8.jpg)
• Sclera: white area
• Iris:
Anterior structures of the EYE
![Page 9: The Eye. The eye is an organ that can detect light and convert sit into a electro- chemical impulse that is transferred to the brain.](https://reader035.fdocuments.net/reader035/viewer/2022062500/5697bfb61a28abf838c9e692/html5/thumbnails/9.jpg)
• Sclera: white area
• Iris: colored area that constricts and dilates
• Pupil:
Anterior structures of the EYE
![Page 10: The Eye. The eye is an organ that can detect light and convert sit into a electro- chemical impulse that is transferred to the brain.](https://reader035.fdocuments.net/reader035/viewer/2022062500/5697bfb61a28abf838c9e692/html5/thumbnails/10.jpg)
• Sclera: white area
• Iris: colored area that constricts and dilates
• Pupil: hole in the iris
• Time of death
Anterior structures of the EYE
![Page 11: The Eye. The eye is an organ that can detect light and convert sit into a electro- chemical impulse that is transferred to the brain.](https://reader035.fdocuments.net/reader035/viewer/2022062500/5697bfb61a28abf838c9e692/html5/thumbnails/11.jpg)
Can you TOUCH your iris?
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?
![Page 13: The Eye. The eye is an organ that can detect light and convert sit into a electro- chemical impulse that is transferred to the brain.](https://reader035.fdocuments.net/reader035/viewer/2022062500/5697bfb61a28abf838c9e692/html5/thumbnails/13.jpg)
• Sclera: white area
• Iris: colored area that constricts and dilates
• Pupil: opening in the iris
• Cornea:
Anterior structures of the EYE
![Page 14: The Eye. The eye is an organ that can detect light and convert sit into a electro- chemical impulse that is transferred to the brain.](https://reader035.fdocuments.net/reader035/viewer/2022062500/5697bfb61a28abf838c9e692/html5/thumbnails/14.jpg)
• Sclera: white area
• Iris: colored area that constricts and dilates
• Pupil: opening in the iris
• Cornea: tough, clear layer that covers the front of the eye
Anterior structures of the EYE
![Page 15: The Eye. The eye is an organ that can detect light and convert sit into a electro- chemical impulse that is transferred to the brain.](https://reader035.fdocuments.net/reader035/viewer/2022062500/5697bfb61a28abf838c9e692/html5/thumbnails/15.jpg)
Anterior structures of the EYE
?
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• Aqueous humor: fluid between the cornea and lens
Anterior structures of the EYE
?
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?
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• Lens:
Anterior structures of the EYE
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• Lens: focuses the image
Anterior structures of the EYE
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?
?
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• Muscles and ligaments:
Anterior structures of the EYE
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• Muscles and ligaments: pull on lens to focus image
Anterior structures of the EYE
![Page 23: The Eye. The eye is an organ that can detect light and convert sit into a electro- chemical impulse that is transferred to the brain.](https://reader035.fdocuments.net/reader035/viewer/2022062500/5697bfb61a28abf838c9e692/html5/thumbnails/23.jpg)
Internal structures of the EYE
?
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• Vitreous humor:
Internal structures of the EYE
![Page 25: The Eye. The eye is an organ that can detect light and convert sit into a electro- chemical impulse that is transferred to the brain.](https://reader035.fdocuments.net/reader035/viewer/2022062500/5697bfb61a28abf838c9e692/html5/thumbnails/25.jpg)
• Vitreous humor: thick gel that fills the back of the eye
Internal structures of the EYE
![Page 26: The Eye. The eye is an organ that can detect light and convert sit into a electro- chemical impulse that is transferred to the brain.](https://reader035.fdocuments.net/reader035/viewer/2022062500/5697bfb61a28abf838c9e692/html5/thumbnails/26.jpg)
• Vitreous humor: thick gel that fills the back of the eye
Internal structures of the EYE
![Page 27: The Eye. The eye is an organ that can detect light and convert sit into a electro- chemical impulse that is transferred to the brain.](https://reader035.fdocuments.net/reader035/viewer/2022062500/5697bfb61a28abf838c9e692/html5/thumbnails/27.jpg)
• Vitreous humor: thick gel that fills the back of the eye
• What causes red eyes in a picture?
• Retina: inner-most layer made of nervous tissue
Internal structures of the EYE
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• Macula: “ the yellow spot’ , portion of the retina that contains highest concentration of cones, no rods
Macula
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• Macula: “ the yellow spot’ , portion of the retina that contains highest concentration of cones, no rods
• Fovea: Dimple
in the center of
Macula. High
Visual acuity here
Fovea
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?
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• Optic Nerve: Group of nerve cells that transfer visual information from the retina to the vision centers of the brain via electrical impulses.
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• Optic Nerve: Group of nerve cells that transfer visual information from the retina to the vision centers of the brain via electrical impulses.
• Blind spot: Our blind spot is caused by the absence of specialized photosensitive cells, or photoreceptors, in the part of the retina where the optic nerve exits the eye.
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The next few slides are just some optical illusions
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• Lenses
• Lens of the eye
• Inverted image
• 20/20