The Eye Flashcards

1
Q

What does the fibrous aspect of the eye consist of

A

Sclera

Cornea

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2
Q

What is the sclera

A

Most fibrous
Attachment of extraocular muscles
White part

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3
Q

What’s is the cornea

A

Transparent light entering

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4
Q

What are the components of the vascukar layer of the eye

A

Choroid
Ciliary body
Iris

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5
Q

What si the choroid

A

Layer of connective tissue

Nourish layers of retina

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6
Q

What are the two parts of the ciliary bodya Nd what do they do

A

Ciliary muscles - smooth muscle fibres attach to ciliary processes
Ciliary body - controls the shape of the lens and forms the aq humour

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7
Q

What si the iris

A

Has the pupil centrally
Diameter altered by smooth muscles (autonomic)
Between lens and cornea

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8
Q

What is the internal layer of the eye

A

Retinal layer which has two parts

Neural and pigmented

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9
Q

What’s is the neural layer

A

Photoreceptors

Retina

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10
Q

What’s the pigmented layer

A

Under neural layer
Attached to choroid layer
Support neural layer

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11
Q

What’s the centre of the retina

A

Macula

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12
Q

Where si the lens situated

A

Between vitrous humour and the pupil

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13
Q

What alters the lens shape

A

Ciliary body

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14
Q

What are the two fluid filled chambers called

A

Anterior and posterior chambers

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15
Q

Where is the anterior chamber

A

Between cornea and iris

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16
Q

Where is the posterior chamber

A

Between the iris and the ciliary processes

17
Q

What are the anterior and posterior chambers filled with

A

Aq humour

18
Q

What does aq humor do

A

A clear plasma like fluid that nourishes and protects the eye

19
Q

What is the arterial supply and drainage from

A

Supplied by Opthalmic artery from internal carotid artery

Drowned by sup and inf Opthalmic veins

20
Q

What are the three parts associated with the eyeball

A

Fibrous
Vascular
Inner layers