Eye 3 Flashcards

1
Q

chemical burn - tx/disposition
3

A
  1. continuously irrigate for 30 minutes with NS or LR - use tap water if needed
  2. keep unaffected eye safe
  3. discuss w/ ophth. for f/u
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2
Q

flash burns/UV keratitis

A

damage to the cornea from unprotected UV ray exposure, “sunburn of the eye”

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3
Q

flash burn sx
5

A
  1. delayed onset - 30 min to 12 hours
  2. foreign body sensation
  3. photophobia or tearing
  4. decreased visual acuity may be present
  5. facial/eyelid erythema
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4
Q

flash burn tx
6

A
  1. mainly supportive - 1 to 3 days healing
  2. topical abx ointment for comfort and infection prophylaxis
  3. oral analgesics
  4. artificial tears
  5. avoid contacts
  6. opth. f/u if persists or worse in 1-2 days
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5
Q

hyphema

A

presence of blood in anterior chamber

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6
Q

presence of blood in anterior chamber

A

hyphema

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7
Q

hyphema - most often occurs from
3

A
  1. blunt trauma (most common)
  2. post surgical
  3. spontaneous
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8
Q

hyphema - sx
3

A
  1. blurry and decreased vision
  2. photophobia
  3. pain when associated w/ trauma
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9
Q

hyphema - physical exam and what type of dx
2

A
  1. clinical dx
  2. comprehensive eye exam
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10
Q

hyphema - sickle cell consideration

A

SC has a greater risk of causing elevated IOP even w/ small hyphemas

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11
Q

hyphema - imaging/testing
2

A
  1. check IOP
  2. consider head CT w/ orbital cuts if hyphema d/t traumatic injury
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12
Q

hyphema - tx and disposition

A
  1. provide eye shield
  2. limit activity
  3. avoid NSAIDs and ASA
  4. sleep w/ HOB 30-40
  5. send to ER for opth. eval
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13
Q

retinal detachment

A

vision-threatening condition resulting from separation of the neurosensory retina from adjacent retinal pigment epithelium layer

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14
Q

retinal detachment - clinical presentation
4

A
  1. painless loss of vision or visual field
  2. “curtain like” distribution
  3. floaters
  4. flashes of light
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15
Q

retinal detachment - physical exam (IOP)
3

A
  1. comprehensive eye exam
  2. slit lamp
  3. IOP may be lower in bad eye
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16
Q

retinal detachment - img/testing

A

none usually

17
Q

retinal detachment - tx

A

send to ER

18
Q

corneal foreign body

A

any defect in the corneal involving a retained foreign body

19
Q

corneal foreign body - hx and clinical presentation
5

A
  1. acute presentation w/ hx suggestive of retained foreign body
  2. acute eye pain
  3. tearing
  4. light sensitivity
  5. foreign body sensation
20
Q

corneal foreign body - removal
4

A
  1. upper lid eversion and sweep wet cotton swab
  2. wet cotton swab to lift FB off ocular surface
  3. irrigation w/ NSS
  4. use needle to scratch off (only skilled individuals)
21
Q

corneal foreign body - test to dx

A

fluorescein staining after medicating w/ tetracaine and then using wood’s lamp

22
Q

corneal foreign body - abx rx

A

topical abx
non contact wearers - erythromycin 4-5 x day, 3-5 days
contacts - ciprofloxacin or ofloxacin

23
Q

corneal foreign body - pain control
2

A

NSAIDs
Tylenol

24
Q

corneal foreign body - don’t do what
2

A
  1. avoid steroid drops
  2. don’t patch the eye
25
Q

blepharitis

A

inflammation at base of eyelashes

26
Q

inflammation at base of eyelashes

A

blepharitis

27
Q

blepharitis - most common pathogen

A

s. aureus

28
Q

blepharitis - hx and clinical presentation
5

A
  1. eyelid inflammation and swelling
  2. crusting at base of eyelashes
  3. excessive tearing
  4. blurred vision
  5. photosensitivity
29
Q

blepharitis - consider a ___ reaction

A

allergic i.e. eye makeup

30
Q

blepharitis - physical exam
3

A
  1. eyelid edges appear erythematous or irritated
  2. crusting of lashes or lid margins
  3. injected conjunctiva
31
Q

blepharitis - imaging/testing

A

dx is clinical; no imaging reqd

32
Q

blepharitis - tx
3

A
  1. Warm compress then gentle lid massage with cotton ball soaked in soap and water or tear free baby shampoo to clear crusting
  2. if local care unsuccessful then abx
  3. Eye drops for dryness
33
Q

blepharitis - rx tx

A

Once daily at bedtime x 2 weeks
- bacitracin ointment to lid margins
- erythromycin to lids