Vision

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Vision
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(No Transcript)
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Lens from a Cows Eye
http//www.cas.vanderbilt.edu/bsci111b/eye/cow-eye
/cow-eye-dissection.htm
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LENS
Principle Axis
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http//www.phys.ufl.edu/avery/course/3400/vision/
retina_picture_live.jpg
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Lens
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Blind Spot
Focus your LEFT eye here.
Slowly move the penny to the LEFT
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http//www.ropard.org/learning/introduction.shtml
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Far Sighted
Near Sighted
http//www.q8laser.com/engreferror.htm
Click here for Nearsighted
http//www.q8laser.com/engreferror.htm
Click here for Farsighted
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FAR SIGHTED
CLOSEandSMALL
FAR AWAY
NEAR SIGHTED
CLOSE TO
FARandLARGE
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FAR SIGHTED
NEAR SIGHTED
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FAR SIGHTED
CLOSE TO
NEAR SIGHTED
FAR AWAY
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FAR SIGHTED
CLOSE TO
NEAR SIGHTED
FAR AWAY
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Far Sighted
http//www.svcmd.com/images/hyperopia_lg.jpg
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Near Sighted
http//www.svcmd.com/images/myopia_lg.jpg
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(No Transcript)
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Astigmatism(Spherical Aberration)
Click Here for Astigmatism
Light doesnt converge to the same point
Squinting to help clarity
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LASIK Surgery
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LASIK Surgery
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Reshaping cornea to compensate for the lens.