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What is an eye?1. Eyes are organs of the visual system.

2. Eyes detect light and convert it into electro-chemical impulses in neurons.

3. Eyes with resolving power have come in ten fundamentally different forms, and 96%.

4. Image-resolving eyes are present in molluscs, chordates and arthropods.

5. The simplest "eyes", such as those in microorganisms

Parts of eye

Conjunctiva Of The Eye

Sclera: The White Of The Eye

Cornea Of The Eye

The Uvea Of The Eye

Pupil: Aperture Of The Eye

The Retina: Where Vision Begins

Ten facts of eye

The eyeball weighs around 28 grams.

The eye muscles are the most active muscles in the human body.

Eye transplants are currently impossible due to the sensitivity of the optic nerve.

Everyone has one eye that is slightly stronger than the other.

Just behind our pupil is the lens - which is round, flat and thicker toward the middle.

In an average life, your eyes will see 24 million different images.

The human eye only sees three colours: red, blue and green. All other colours are combination of these.

The human eye can see 500 shades of grey.

The cornea is the transparent covering of the iris and pupil.

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1. The organ of sight.

2. Sclera

Cornea
Anterior & Posterior Chambers

Iris/Pupil

Lens

Retina

4. A shark's cornea is used in human eye surgery, as it is the most similar to the human cornea.

As well as super long eyelashes, camels also have three eyelids to protect their eyes from sand.

The eyes of a chameleon are independent from each other, allowing it to look in two different directions at once.

Dolphins sleep with one eye open.

Snakes have two sets of eyes – one set used to see, and the other to detect heat and movement.

A worm has no eyes at all.

Owls are the only bird which can see the colour blue.

Some people have a fear of eyes; it’s called ommatophobia.
3.

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here is a special task for you:
1.what is an eye
2. name the major patrs of an eye
3. drag a picture of an eye on this board.
4. find 10 interesting facts

https://www.lenstore.co.uk/eyecare/101-amazing-eye-facts

choose 5 facts and teach it to your class
group 1    tips fr5om 1-25
group 2    tips from 26-50
group 3    tips from 50-75
group 4    tips from 76-101

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1. Eye is organ of the visual system.
2. Major parts of eye  are: cornea, iris, lens, optic nerve, pupil, sclera, tear duct, bottom lid.

4.

1. In a very basic form, eyes are thought to have first developed in animals around 550 million years ago!

2. You actually see with your brain, not your eyes. Our eyes function like a camera, capturing light and sending data back to the brain.

3. You see things upside down - it is your brain which turns the image the right way up.

4. In a single second, it’s possible to blink five times.

5. You are likely to blink more often when you are talking.

6. The eye is the fastest muscle in your body – hence why when something happens quickly, we say ‘in the blink of an eye!’

7. A blink typically lasts 100-150 milliseconds.

8. The human eye can function at 100% at any given moment, without needing to rest.

9. Red-eye in photos is caused by light from the flash bouncing off the capillaries in your eyes.

10. If the human eye was a digital camera, it would have 576 megapixels.

3.

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1.       Eye is organ of the visual system

2.       Retina, iris, cornea, lens, macula, retinal blood vessels

4.       All babies are colour blind at birth.

A shark's cornea is used in human eye surgery, as it is the most similar to the human cornea.

One of the most common cosmetic injuries is poking the eyeball with a mascara wand.

It’s impossible to sneeze with your eyes open.

Your eyelashes keep dirt out of your eyes.

Eyelashes have an average lifespan of five months.

The only cells that survive from the time you are born until death are in your eyes.

An ostriches eye is bigger than its brain.

94% of visible premature-aging around the eyes is caused by UV damage.

People generally read 25% slower on screen than on paper.