The Eye Flashcards

1
Q

Sclera

A

whites of the eye. protects.

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2
Q

Choroid

A

inferior to sclera. supplys blood to retina

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3
Q

Retina

A

inner layer of eyeball. turns light into action potential. contains speacialised sensory cells (rods and cones) send info to brain via optic nerve

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4
Q

Iris

A

Coloured part of the eye

two muscles control shape of pupil

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5
Q

Pupil

A

Hole

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6
Q

Cornea

A

transparent, refracts light towards pupil.

no blood vessels

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7
Q

Ciliary Body

A

changed shape of lens, eleastic

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8
Q

Lens

A

jelly-like structure. can change shape to refracts light to converge.

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9
Q

Aqueous Humour

A

fluid nourishses lens & cornea

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10
Q

Vitrenous Humour

A

jelly-like fluid makes up 2/3 of eye

gives eye shape & distance for lens to work

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11
Q

Optic Disc

A

Blind spot - where optic nerve leaves te eye. no photorecptord

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