The Eye Flashcards

1
Q

eye exam components

A
  • inspection

- special tests

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2
Q

WHAT IS THE FIRST THING YOU DO IN AN EYE EXAM?

A
  • check visual acuity!
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3
Q

How do you check visual acuity?

A
  • pt wears normal correction
  • each eye individually then together
  • pocket Snellen Chart
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4
Q

Patient reads 20/25 line then only gets 2 letters on 20/20 line, how would you rate this?

A
  • 20/25 + 2
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5
Q

Patient reads 20/100 line then misses 1 on 20/70 line, how would you rate this?

A
  • 20/70 - 1
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6
Q

define mypoia

A
  • near sighted

- patient can see near

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7
Q

define hyperopia

A
  • far sighted

- patient can see far

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8
Q

eye inspection

A
  • eyebrow and lids for sym, trauma, and abnormalities
  • lacrimal apparatus
  • sclera/conjunctiva
  • cornea/lens for opacities
  • iris
  • pupils
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9
Q

What are you looking for when inspecting the eyelids?

A
  • ptosis
  • proptosis/exophthalmos
  • blepharospasm
  • entropion/ectropion
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10
Q

What does proptosis/exophthalmos indicate?

A
  • Graves
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11
Q

What does blepharospasm indicate?

A
  • irritation
  • stress
  • stimulants
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12
Q

What does ptosis indicate?

A
  • Horners (CN III)
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13
Q

What are you looking for when inspecting the sclera/conjunctiva?

A
  • conjunctivitis
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14
Q

What does a water sclera/conjunctiva indicate?

A
  • allergic conjunctivitis
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15
Q

What does purulent sclera/conjunctiva indicate?

A
  • bacterial conjunctivitis
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16
Q

How do you indicate pupils were normal to exam?

A
  • PERRLA

(pupils equal, round, reactive to light and accomodation

17
Q

interpret Marcus-Gunn pupils

A
  • does not constrict with direct light

- constricts with consensual light

18
Q

eye special tests

A
  • EOM, convergence, accommodation
  • cover/uncover
  • fundoscopic
19
Q

eye special tests

A
  • EOM, convergence, accommodation
  • cover/uncover
  • fundoscopic
20
Q

What does a lack of lateral eye movement indicate?

A
  • CN VI
21
Q

What does a lack of medial, superior, or inferior movement indicate?

A
  • CN III
22
Q

What does the cover/uncover test reveal?

A
  • strabismus
23
Q

What are you looking for on fundoscopic exam?

A
  • red reflex
  • optic disc
  • venous pulsations
  • AV nicking, retinal hemhorrage, cotton wool spots
  • macula
24
Q

interpret red reflex results

A
  • normal = bright and clear

- absent = cataracts

25
Q

What is the normal cup:disc?

A
  • 0.3
26
Q

Where is the cup in relation to the macula?

A
  • nasal side
27
Q

How do you examine the macula?

A
  • ask the pt to look at your light
28
Q

What are you looking for on fundoscopic exam?

A
  • red reflex
  • optic disc
  • venous pulsations
  • AV nicking, retinal hemorrhage, cotton wool spots
  • macula