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Eye structure

Содержание

1. Eye structure
2. Eye structureEye is a complicated organ.It consists of three layers: inner, outer and middle.
3. Outer layerOuter layer consists of sclera and
4. Middle layerMiddle layer consists of three parts:
5. Inner layerInner layer is a retina. It
6. FactsNewborns don’t produce tears. They make crying
7. Слайд 7
8. https://www.youtube.com/watch?v=LxI30P64Sfk
9. Скачать презентанцию

Eye structureEye is a complicated organ.It consists of three layers: inner, outer and middle.

Слайды и текст этой презентации

Слайд 1Eye structure
You will:
- study the features of visual perception

Eye structureYou will:- study the features of visual perception

Слайд 2Eye structure
Eye is a complicated organ.
It consists of three layers:

inner, outer and middle.

Eye structureEye is a complicated organ.It consists of three layers: inner, outer and middle.

Слайд 3Outer layer
Outer layer consists of sclera and cornea.
Sclera is

a white layer. It protects the eye from damage.
Cornea

is a transparent layer.

Outer layerOuter layer consists of sclera and cornea. Sclera is a white layer. It protects the eye

Слайд 4Middle layer
Middle layer consists of three parts: iris, ciliary body

and choroid.
Ciliary body holds the lens in the eye.

Lens focuses incoming light.
Iris has eye coloring pigments. In the middle of the iris there is an opening called pupil. Light enter through this opening.
Choroid has blood vessels. They bring nutrients for the eye.

Middle layerMiddle layer consists of three parts: iris, ciliary body and choroid. Ciliary body holds the lens

Слайд 5Inner layer
Inner layer is a retina. It has cells called

receptors. They receive information from outside and transfer it to

our brain by optic nerve.

Inner layerInner layer is a retina. It has cells called receptors. They receive information from outside and

Слайд 6Facts
Newborns don’t produce tears. They make crying sounds, but the

tears don’t start flowing until they are about 4-13 weeks

old.
Ophthalmologist is a medically trained doctor who is an expert in diagnosing, treating and preventing eye diseases.

FactsNewborns don’t produce tears. They make crying sounds, but the tears don’t start flowing until they are

Слайд 7

Слайд 8https://www.youtube.com/watch?v=LxI30P64Sfk

https://www.youtube.com/watch?v=LxI30P64Sfk

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