Eye Assessment Flashcards

1
Q

Distance

A

Snellen chart/ Allen chart

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2
Q

Near

A

Jaegar Test

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3
Q

Visual Fields

A

Static (fingers in each quadrant) and confrontation test

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4
Q

Colour Vision

A

Ishihara cards

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5
Q

PERRLA

A
Pupils
Equal
Round
Reactive to
Light 
Accommodate
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6
Q

Ptosis

A

Drooping lid (upper)

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7
Q

Ectoropion

A

Lower lid loose and rolling out

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8
Q

Entropion

A

Lower lid rolls in

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9
Q

Presbyopia

A

Loss of elasticity of the crystalline lens - causes trouble accommodating near and distance

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10
Q

Myopia

A

Nearsighted - can see close but not far

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11
Q

Hyperopia

A

Farsighted- see well far but not for close objects

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12
Q

Blindness

A

Vision worse than 20/200

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13
Q

Asthenopia

A

Eye strain

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14
Q

Strabismus

A

Cross eyed

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15
Q

3 layers of tissue

A

Outer fibrous layer - sclera and cornea
Vascular middle layer - iris, ciliary body, choroids
Thin inner layer - retina

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16
Q

3 Chambers

A

Anterior
Posterior
Vitreous

17
Q

Cornea

A

Allows light to enter the eyes

18
Q

Iris

A

Regulates the amount of light that enters the pupil

19
Q

Lens

A

Refracts and focuses light on the retina

20
Q

Pupil

A

Dilates and constricts to permit light entering eye

21
Q

Retina

A

Receives and transmits visual stimuli to the brain for processing

22
Q

Ciliary body

A

Produces aqueous humor

23
Q

Choroids

A

Network of blood vessels to eyes

24
Q

Optic disc

A

Where optic nerve innervates(supplies with nerves) the eye

25
Q

Macula

A

Contains largest amount of cones

26
Q

Immediate assessment needed if:

A

Penetrating injury
Fracture of orbital bone
Sudden loss of vision