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Certified Ophthalmic Assistant (COA) > Written Card Notes > Flashcards

Written Card Notes Flashcards

1
Q

20/30 FT TO METERS?

A

6/9 METERS

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2
Q

20/40 FT TO METERS?

A

6/12 METERS

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3
Q

20/60 FT TO METERS?

A

6/18 METERS

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4
Q

20/80 FT TO METERS?

A

6/24 METERS

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5
Q

20/100 FT TO METERS?

A

6/30 METERS

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6
Q

20/ 200 FT TO METERS?

A

20/60 METERS

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7
Q

20/300 FT TO METERS?

A

6/90 METERS

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8
Q

20/400 FT TO METERS?

A

6/120 METERS

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9
Q

Enucleation

A

Removal of entire eyeball leaving only muscles and orbit

ENcleation=ENtire eye

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10
Q

Eviseration

A

Removal of contents but leaving selera

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11
Q

Versions

A

Tropic or Phoria of BOTH eyes

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12
Q

Ductions

A

Tropia or Phoria of ONE eye

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13
Q

Marcus Gun-Jaw winking

A

Swinging light

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14
Q

Addie’s Tonic Pupil

A

Mydriatics always but will constrict
Abnormal shape
TEST: Add pilocarpine

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15
Q

Horner’s

A

Miosis, Ptosis, Anydrosis

Cocaine test

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16
Q

Argyl Robertson

A

Syphillus, miosis, no dilation, abnormal shape

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17
Q

3rd Nerve

A

Mydriatics, down and out

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18
Q

Subcutaneous

A

Under skin

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19
Q

Intravitreal

A

Into the eye itself on subconjunctival etc

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20
Q

Intravenous

A

Into vein

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21
Q

Intramuscular

A

Into a muscle

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22
Q

Suspension

A

Must shake to mix

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23
Q

Solution

A

No need to shake

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24
Q

Speed of Light

A

186,000 per second

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25
Visible Light
400-800 nano meters
26
A-Scan
Axiel Length
27
Tomography
Creates 3D images
28
Visual Pathway (7 steps):
1) Retina 2) Optic Nerve 3) Chiasm (junction box) 4) Optic Tract 5) Lateral Geniculate Body 6) Optic Rads 7) Visual Cortex ROOOLOV
29
Sterilization:
1) Boiling 2) Autoclave (MOST COMMON) 3) Germicides
30
Legato conjunctivitis
Dry eye syndrome
31
Applanation Tonometer should be checked every?
2 months Balance at 2, 4 and 6
32
Lensmeter
Always Zero out eye piece
33
20/20 FT TO METERS?
6/6 METERS
34
Three types of drops:
Injected Topical Systemic Meds
35
Size of Miotic pupil
Smaller then 2 mm
36
Size of Mydriatic pupil?
Larger then 6 mm
37
Types of Lasers (2 types):
Photodistruptive Lasers
38
PMMA
Polymethylmethacrylate
39
3 Tear Film Layers
1) Outer Lipid 2) Aqueous Layer 3) Mucous Layer
40
Ishara color vision test for?
Red/Green color blindness
41
Hardy-Rand-Ritter
Red/Green/ Yellow
42
How many Rods? Used for what?
150 million | Night Vision
43
Number of Cones? Used for?
6 million | Daylight
44
AMD
Age Macular Degeneration-Dry vs. Wet
45
Presbyopia
Loss of accommodation
46
Aphakia
No natural lens
47
Pseudophakia
Lens implant
48
Keratometry
Measure cornea
49
Phoropter
Refractive Error
50
Vertex Distance
Glasses to cornea
51
Direct Pupillary Response
ONE pupil responds to light
52
Consensual
Both pupils respond
53
Sympathetic=
Mydrasis, dilator muscles
54
Parasympathetic
Miosis | Sphincter muscle
55
HIPPUS
Pupil rebounds after constriction
56
Incision
Cutting INTO the tissue INcision=INto
57
Excision
Cutting out of tissue
58
Aqueous Flow Chart
Ciliary body (creating of outflow)....to pupil....Anterior Chamber.....out through mesh work (drain through)
59
Astheriopia
Number of problems for refractive error: - Eyestrain - Eye Fatigue - Pulling sensations - Inability to focus
60
Disinfection
Inhibition of micoorganisms
61
Sterilization
Destruction of Microorganisms
62
Sanitation
Clean enough to be healthy
63
Order of drop strength (weak to strong):
1) Tropicaminde 0.5 and 1%--Mydriacyl (2-6 hrs) 2) Cyclopentolate 1% and 2%--Cyclo (24 hrs) 3) Homatropine 2% and 5% (36 hrs) 4) Scoloplamine 1/4% (1 week) 5) Atropine 0.5% and 1% (2 weeks)
64
3 rings Temporally:
Base OUT
65
3 rings Medially:
Base IN
66
3 rings Superiorly
Base UP
67
3 rings Inferiorly:
Base DOWN
68
Average core a thickness:
0.5mm
69
Signs of an Allergic Reaction:
1) Itching 2) Redness 3) Swelling

Certified Ophthalmic Assistant (COA) (2 decks)

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