The eye

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9th

Last updated 11:21 AM on 11/24/22
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57 Terms

1
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Optic nerve
________- Transmits visual information by electrical impulses from the retina to the brain.
2
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Cornea
________- responsible for refracting light.
3
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Suspensory ligaments
________- fibres that connect muscles to the lens.
4
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Sclera
________- white of the eye, the protective outer layer.
5
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Long
________- sightedness- rays of light focus behind the retina.
6
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Cataracts
________- build- up of protein on the lens that makes the pupil cloudy.
7
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Dim
________ light near Iris- Iris increases in size.
8
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Pupil
________- hole in Iris, which light passes through to get to the retina.
9
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Iris
________- controls pupil, so control the quantity of light reaching the retina.
10
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Retina
________- packed with receptors cells which are sensitive to brightness and the colour of light.
11
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sightedness
Short- ________- rays of light focus in front of the retina.
12
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eye defects
Treating ________- glasses filled with lenses, contact lenses and laser eye surgery, synthetic lenses can replace faulty lenses with cataracts.
13
New cards
Retina
packed with receptors cells which are sensitive to brightness and the colour of light
14
New cards
Optic nerve
Transmits visual information by electrical impulses from the retina to the brain
15
New cards
Sclera
white of the eye, the protective outer layer
16
New cards
Pupil
hole in Iris, which light passes through to get to the retina
17
New cards
Iris
controls pupil, so control the quantity of light reaching the retina
18
New cards
Cornea
responsible for refracting light
19
New cards
Ciliary muscle
muscles that change the shape of the lens, which is used to focus light
20
New cards
Suspensory ligaments
fibres that connect muscles to the lens
21
New cards
too much light near Iris
Iris decreases in size
22
New cards
Dim light near Iris
Iris increases in size
23
New cards
Eyes focus on a distant object
suspensory ligaments tighten, lens become flatter, ciliary muscles relax, minor refraction of light rays
24
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Eye focus on close object
suspensory ligaments loosen, lens become thicker, ciliary muscles tighten, lots of refraction of light rays
25
New cards
short-sightedness
rays of light focus in front of the retina
26
New cards
Long-sightedness
rays of light focus behind the retina
27
New cards
Cataracts
build-up of protein on the lens that makes the pupil cloudy
28
New cards
Treating eye defects
glasses filled with lenses, contact lenses and laser eye surgery, synthetic lenses can replace faulty lenses with cataracts
29
New cards
Optic nerve
________- Transmits visual information by electrical impulses from the retina to the brain.
30
New cards
Cornea
________- responsible for refracting light.
31
New cards
Suspensory ligaments
________- fibres that connect muscles to the lens.
32
New cards
Sclera
________- white of the eye, the protective outer layer.
33
New cards
Long
________- sightedness- rays of light focus behind the retina.
34
New cards
Cataracts
________- build- up of protein on the lens that makes the pupil cloudy.
35
New cards
Dim
________ light near Iris- Iris increases in size.
36
New cards
Pupil
________- hole in Iris, which light passes through to get to the retina.
37
New cards
Iris
________- controls pupil, so control the quantity of light reaching the retina.
38
New cards
Retina
________- packed with receptors cells which are sensitive to brightness and the colour of light.
39
New cards
sightedness
Short- ________- rays of light focus in front of the retina.
40
New cards
eye defects
Treating ________- glasses filled with lenses, contact lenses and laser eye surgery, synthetic lenses can replace faulty lenses with cataracts.
41
New cards
Retina
packed with receptors cells which are sensitive to brightness and the colour of light
42
New cards
Optic nerve
Transmits visual information by electrical impulses from the retina to the brain
43
New cards
Sclera
white of the eye, the protective outer layer
44
New cards
Pupil
hole in Iris, which light passes through to get to the retina
45
New cards
Iris
controls pupil, so control the quantity of light reaching the retina
46
New cards
Cornea
responsible for refracting light
47
New cards
Ciliary muscle
muscles that change the shape of the lens, which is used to focus light
48
New cards
Suspensory ligaments
fibres that connect muscles to the lens
49
New cards
too much light near Iris
Iris decreases in size
50
New cards
Dim light near Iris
Iris increases in size
51
New cards
Eyes focus on a distant object
suspensory ligaments tighten, lens become flatter, ciliary muscles relax, minor refraction of light rays
52
New cards
Eye focus on close object
suspensory ligaments loosen, lens become thicker, ciliary muscles tighten, lots of refraction of light rays
53
New cards
short-sightedness
rays of light focus in front of the retina
54
New cards
Long-sightedness
rays of light focus behind the retina
55
New cards
Cataracts
build-up of protein on the lens that makes the pupil cloudy
56
New cards
Treating eye defects
glasses filled with lenses, contact lenses and laser eye surgery, synthetic lenses can replace faulty lenses with cataracts
57
New cards