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The Eye

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Saad Shamsi

on 25 March 2014

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Transcript of The Eye

1. Sclera
2. Iris
3. Cornea
4. Pupil
5. Lens
6. Conjunctiva
7. Vitreous humour
8. Retina

Structure and Function
Perception Vs Reality
Limited perception
Visual Phenomena
Malfunction of the visual system

Try to count the number of black dots…
Is this a spiral?
Which centre circle is bigger?
What can you see?
How many Dolphin Figures?
Optical Illusions
Diseases of the Eye
Conjuctivitis- inflammation of the eye's conjuctiva. Relatively common
Colour Blindness- defect in the eye's cone cells. Colour Vision Test- http://colorvisiontesting.com/online%20test.htm#Test Card Number 3 answer
Colour Blindness
The clouding of the lens which leads to decreased vision.
The human eye blinks an average of 4.2 million times a year
Our eyes are always the same size from birth, but our nose and ears never stop growing.

The shark cornea has been used in eye surgery, since its cornea is similar to a human cornea.
The eyeball of a human weighs approximately 28 grams.

The eye of a human can distinguish 500 shades of the gray.
Research has indicated that a tie that is on too tight cam increase the risk of glaucoma in men.

People generally read 25% slower from a computer screen compared to paper.
All babies are colour blind when they are born.

The reason why your nose gets runny when you are crying is because the tears from the eyes drain into the nose.
10 Interesting Facts You May Not Have Known About The Eye
It's impossible to sneeze with your eyes open.
Full transcript