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Opthalmology > Anatomy of the eye > Flashcards

Anatomy of the eye Flashcards

1
Q

Name of the area where the cornea and sclera meet

A

Cornoscleral junction aka the limbus

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2
Q

What lines the 4 walls of the orbit?

A

Periosteum

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3
Q

What are the layers of the eyelids?

A 
1 Skin
2 Subcutaneous tissue
3 Obicularis oculi
4 Orbital Septum and tarsal plates
5 Smooth muscle
6 Conjunctiva
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4
Q

What are the tarsal plates made of?

A

Dense connective tissue

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5
Q

What is contained in the tarsal plates?

A

The meibomian glands

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6
Q

What are the layers of the sclera?

A

1 Episclera
2 Stroma
3 Lamina fusca

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7
Q

What’s the function of the sclera?

A

The sclera is a site of attachment for the extra-ocular muscles of the eye

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8
Q

What are the ‘parts’of the conjunctiva?

A
  1. The palpebral conjunctiva which lines the cornea

2. The bulbar conjunctiva which lines the sclera

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9
Q

What are the layers of the cornea?

A 
1 Epithelium
2 Bowmans layer
3 Stroma
4 Descemets membrane
5 The endothelium
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10
Q

What is the function of the cornea?

A

To refract light entering the eye

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11
Q

What does the spiral of tilaux do?

A

Describes how far from the limbus each muscle from the rectus inserts on the sclera

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12
Q

Where is the anterior chamber?

A

Its in the Space between the cornea and the iris

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13
Q

Where is the posterior chamber?

A

Its in the space between the posterior surface of the iris and the retina

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14
Q

What are the parts of the lens?

A

1 Elastic capsule
2 Lens epithelium
3 Lens fibres

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15
Q

What keeps the lens suspended?

A

the zonules

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16
Q

Function of the lens?

A

Takes part in refracting mechanism of the eye

17
Q

What is the cliliary body made of?

A

Ciliary epithelium and ciliary muscle

18
Q

What does the ciliary epithelium do?

A

Produces aques humor

19
Q

What does the ciliary body do?

A

Plays a role in accomodation

20
Q

What is the function of the choroid?

A

It transmits arteries from the back of the eye to the front

21
Q

What is the nervous layer of the eye?

A

The retina

22
Q

Whats the dual blood supply of the retina?

A

Centra retinal artery and the choroidal circulation

23
Q

Where is the highest concentration of cones?

A

The fovea

24
Q

Where is the ‘blind spot’?

A

Its at the optic disk where there are no rods and cones

25
Q

How many extra-ocular muscles do we have

A

6

Medial rectus,lateral rectus, superior oblique, inferior oblique,superior rectus and inferior rectus

Opthalmology (3 decks)

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