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COA > COA > Flashcards

COA Flashcards

1
Q

4 Serious Eye Conditions

A
  1. Glaucoma
  2. Cataracts
  3. Macular degeneration
  4. Retinal Detachment
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2
Q

4 Allergic Responses

A
  1. skin rash
  2. itchy
  3. rapid/weak pulse
  4. difficulty breathing
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3
Q

11 FH conditions

A
  1. Glaucoma
  2. Migraines
  3. Color blindness
  4. Diabetes
  5. Retinitis Pigmentosa
  6. Nystagmus
  7. Retinoblastoma
  8. Keratonocus
  9. Marfan’s Syndrome
  10. Stargardt’s disease
  11. Sickle Cell Anemia
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4
Q

1 meter

A

3.28 feet

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5
Q

Anopsia

A

Amblyopia

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6
Q

Define Amblyopia in 3 parts

A
  1. “lazy eye,”
  2. reduced vision in one eye that cannot be fully corrected with glasses
  3. from abnormal visual development during childhood.
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7
Q

LP w/ Proj

A
  1. supronasal
  2. suprotemporal
  3. inferonasal
  4. inferotemporal
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8
Q

When kids follow light?

A

3 mo

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9
Q

When kids reach for toys?

A

4-6 mo

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10
Q

Kids fixates centrally

A

Grossly NL

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11
Q

kid with eccentric but steady gaze

A

Probably <NL

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12
Q

Name 5 Picture Charts

A
  1. Allen Picture Chart (images)
  2. Landolt’s Broken Ring Test
  3. Tumbling E
  4. Sheridan-Gardiner Test (letter matching, NVA, DVA, 10’ and 20’)
  5. Teller Acuity Chart (infant and preverbal)
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13
Q

What is Sheridan Gardiner Test and how far can you use it?

A

letter matching, NVA, DVA, 10’ and 20’

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14
Q

4 facts about PAM

A
  1. Potential Acuitty Meter
  2. for anterior and posterior segment disease.
  3. To check if macula is healthy, and if poor VA is d/t cat.
  4. Snellen chart illuminated through 0.1mm opening.
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15
Q

Fovea

A

point of fixation

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16
Q

Define Absolute Scotoma and give one example

A

no light whatsoever.
ex: optic nerver

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17
Q

Relative scotoma

A

diminished light perception

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18
Q

Confrontation Field types and degrees

A
  1. Kinetic vs Static
  2. 120’ overlap, 35’ mono, 170’ blind
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19
Q

2 facts and 3 questions for Amsler

A
  1. central 20’ VF
  2. 12-14”
  3. all lines there? all straight? missing/wavy/double/distorted?
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20
Q

Three sources of VF error?

A
  1. False Positive
  2. False Negative
  3. Fixation Loss
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21
Q

Define False Positive Error in VF

A

pretends to shine but doesn’t shine

22
Q

Define False Negative in VF

A

bright light but no response

23
Q

3 characteristics of VF Stimulus

A
  1. size
  2. intensity
  3. color
24
Q

3 Fixation Targets

A
  1. central
  2. large diamond (paracentral)
  3. small (paracentral)
25
Q

Neurologic VF defects

A

vertical

26
Q

Retinal VF defects

A

horizontal

27
Q

What’s threshold?

A

mx level (intensity) of stimulus that can be seen 50% of times

28
Q

3 aspects of Normal Pupil

A
  1. constrict equally
  2. w/in 1mm
  3. hippus
29
Q

4 reasons pupil is abnormal

A
  1. irregular
  2. initial dilation
  3. > 1mm
  4. diff constriction
30
Q

Near Reflect Triad

A
  1. accommodation
  2. convergence
  3. pupillary constriction
31
Q

Third Nerve Palsy (3 points)

A
  1. worse with bright light
  2. ptosis with large pupil
  3. maybe dysmotility
32
Q

Anisocoria

A

when one of your pupils is bigger than the other.

33
Q

Horner’s

A
  1. worse with dim light
  2. ptosis with small pupil
  3. heterochromia if congenital
34
Q

Adie’s pupil

A
  1. no ptosis
  2. maybe anisocoria
35
Q

Siderosis Bulbi

A

dark iris d/t foreign iron body

36
Q

other cause of pupil abnormality

A
  1. trauma
  2. physiologic
  3. synechia
37
Q

PERRLA

A

pupils equal
round
respond to light
accommodate

38
Q

Another name for RAPD

A

Marcus Gunn Pupil

39
Q

Three groups of RAPD reasons (3, 6, 1 w/ 2 specific ex)

A

1 unilateral optic neuropathies
2. ischemic/traumatic optic neuritis
3. optic nerve tumors

  1. CRVO
  2. CRAO
  3. BRVO
  4. BRAO
  5. Retinal Detachment
  6. Severe macular degeneration (20/400)
  7. Retinal Infections
    - herpes
    -cytomegalovirus
40
Q

how to clean tonopen?

A

use optical quality gas to take away powder

41
Q

how often calibrate tonopen

A

every 3 mo at 0,20,60

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51
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COA (2 decks)

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