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The Science of the Eye

Illusions

Color

Eyes interfering

Processing

Primarily found in the occipital lobe, certain areas of the visual cortex help process an image:

V1: Registering

V2: Transfers info and reacts to complex shapes

V3: Orientation and angles

V3A: Merges motion and direction (much like a vector)

V4: Color

V5: Movement

Retina

V6: Depth

There are three layers

The third is made up of rods and cones

Rods (90%) primarily for vision in dim light

Cones for fine details and color

What it is

What Happens

It is literally a ball of fluid with a hole, a.k.a. the pupil

Oh, by the way, I hope you took notes...

Nerve cells comprise the retina

D

Because you're about to have a quiz...

B

A

C

A lens is located between

The iris is formed of pigmented fibers

The cornea is the cover

Light enters the cornea then goes through the pupil. Depending on the amount of light, the iris dilates the pupil. Light passes through the lens and refracts, converging onto the retina. For near objects, the lens thickens and the opposite for far objects. Photoreceptors then fire impulses to the brain.

Attributions:

In the eye, there are approximately 125 million photoreceptors

The Human Brain by Rita Carter

http://fractalontology.files.wordpress.com/2009/11/complex_eye_500.jpg

http://www.eyedesignbook.com/ch3/fig3-61retinarods-conesBIG.jpg

http://www.artlex.com/ArtLex/b/images/blindspot.jpg

http://static.howstuffworks.com/gif/adam/images/en/retina-picture-c.jpg

http://www.uphs.upenn.edu/news/News_Releases/jun07/photoreceptor-diagram-highres.jpg

http://www.maculacenter.com/images/illustrations/eyeAnatomyCamera.jpg

http://jasonmarshall.net/wp-content/uploads/2009/12/color_theory_same.jpg

http://www.dailycognition.com/content/image/14/same-color-illusion.png

http://euler.slu.edu/escher/upload/thumb/5/5f/Necker-cube.svg/399px-Necker-cube.svg.png

http://www.polyvore.com/cgi/img-thing?.out=jpg&size=l&tid=4820506

http://files.overyourhead.co.uk/images/misc/optical-illusion-wheels-circles-rotating.png

http://blog.remakehealth.com/Portals/11143/images//MRI%20eye%20orbit%20globe-resized-600.jpg

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