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Opthalmology > COA > Flashcards

COA Flashcards

1
Q

Organism most destructive to the eye

A

Pseudo aeruginosa

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2
Q

What procedure using argon laser can destroy ischemic retina

A

Pan retinal photocoagulation or pan retinal laser

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3
Q

What type of intra ocular injection is made at pars Plana site

A

Intravitreal injection

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4
Q

How is anterior chamber depth estimated using a slit lamp

A

High beam placed at the limbus at angel of 60 degrees

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5
Q

Which 2 ocular structure can touch if the anterior chamber is flat

A

Iris and cornea

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6
Q

When determining anterior depth using flashlight test a shadow on the nasal iris indicate

A

Abnormal shallow anterior chamber, narrow angle

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7
Q

Estimate anterior chamber depth by measuring the angle between

A

Anterior surface of the Iris or posterior surface of the cornea

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8
Q

what is ICD -9- CM

A

International classification of disease, 9th edition, clinical modification

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9
Q

What are ethics

A

moral principles and value that govern individual behavior

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10
Q

what should ophthalmic practice have in place to meet legal compliance

A

a compliance officer, policies and procedures

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11
Q

what is HIPAA

A

Health insurance portability and accountability act

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12
Q

because there are no rods and cones found in the

A

optic nerve head

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13
Q

because there are no rods or cones found in the ONH a —–blind spot is created in the normal visual field

A

Physiologic

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14
Q

a defect in the patient’s ____ ______ ______ will affect the patients inferior nasal field of vision

A

Superior temporal retina

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15
Q

2 metods to map the field of vision

A

Kinetic and static

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16
Q

a localized are of reduced sensitivity in a VF that is surrounded by an are of greater sensitivity is called

A

scotoma

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17
Q

method of choice for sterilizing IOL

A

Ethylene Oxide

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18
Q

2 main classifications of most ophthalmic surgical procedures

A

Intraocular and extraocular

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19
Q

most common sterilizing instruments

A

steam

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20
Q

name 2 types of anatomical scrubs

A

timed and counted

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21
Q

4 needle shapes

A

taper, cutting, reverse cutting, spatula

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22
Q

Red dye useful in evaluating the intergrity of corneal epithelium

A

Rose bengal

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23
Q

This test uses rainbow colored cups that must be arranged in order of similar hues

A

Farnsworth munsell 100 hue

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24
Q

The — color vision test consist of plates with grey background and colored circles, crosses and triangles

A

Hardy rand ritter

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25
Q

Virus that causes dendritic pattern of keratitis

A

Herpes simplex

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26
Q

Where do you check pulse on adult CPR

A

Neck (carotid pulse)

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27
Q

3 starting points for refraction

A

Retinoscopy, auto refraction, current rx

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28
Q

Important factor when preparing for refraction

A

Explain to the pt to choose the lens with clearest vision

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29
Q

Fundus Photo documents the—segment of the eye

A

Posterior

30
Q

Devices create three-dimensional digital image of the optic nerve and retina

A

Tomography

31
Q

Gross evaluation of the patients Peripheral va can be accomplished with – visual field testing

A

Confrontation

32
Q

The – visual field test compares the boundaries of the patient’s visual field with that of the examiner

A

Confrontation

33
Q

The Amsler grid determines the presence and location of defects in the

A

Central portion of vf

34
Q

During amsler grid testing the patient should be instructed to read the grid through

A

Near correction

35
Q

Normal range of IOP

A

13-20 mm hg

36
Q

What method of tonometry is measured by the amount of pressure needed to flatten the cornea

A

Applanation

37
Q

What measurement error is produced whenfluorecein rings are to narrow

A

Falsely low

38
Q

What measurement error is produced when a pt is holding breath,or wearing a tight collar

A

Falsely high

39
Q

How to properly instill drops

A

Into lower cul de sac (lower fornix)

40
Q

How are systemic medications administered

A

Orally, injection ‘ or intravenously

41
Q

Idiosyncrasy refers to

A

Bizarre, peculiar reaction to a drug such as tremor, exicitability, or collapse

42
Q

The common cause of eye infections

A

Bacterial viral and fungal

43
Q

Are used to determine the sensitivity of organisms to certain drugs so that correct therapy can be carried out

A

Cultures

44
Q

Is a major contributing factor in Contracting the parasite organism acanthamoeba

A

Contact lens wearer

45
Q

In what order should refinement of a refraction

A

Spear axis than power of cylinder

46
Q

What accessory phoropter lens is utilized to refine the cylinder axis and Power

A

Jackson cross cylinder

47
Q

Name the two methods of refraction

A

Objective and subjective

48
Q

In refractor ometry the ____method requires the patient to give answers to the

A

Subjective

49
Q

When is the spherical equivalent best use in a spectacle prescription

A

If a patient is an adult and never worn glasses and has a large astigmatism correction

50
Q

Which layer of the cornea is the thickest

A

The stroma

51
Q

what type of patch should not be worn on a patient with a lacerated

A

A pressure patch

52
Q

When long waiting times occur in the office what is the ophthalmic medical assistants responsibility

A

To communicate with the patient and keep them informed

53
Q

What can be used to immobilize an infant for an examination

A

A papoose board

54
Q

Is any irritation or inflammation of the conjunctiva

A

Conjunctivitis

55
Q

Conjunctivitis Maybe

A

Allergic viral or bacterial

56
Q

Sudden painless vision loss which may continue to deteriorate over a few days and may not recover is known as

A

Ischemic optic Neuropathy

57
Q

Forward displacement of the in its bony socket causing the eye to bulge forward is

A

Exophthalmos/prlptosis,

58
Q

the cornea provides approximately —-of the refractive power of the

A

2/3

59
Q

Universal precautions are mandated by OSHA but developed by

A

Us centers for disease control

60
Q

Washing hands between patients is an example of

A

Universal precautions

61
Q

Diffusion of oxygen through a CL is referred as

A

DK value

62
Q

The application & evaluation of a diagnostic lens on the eye is the best way to fit a CL

A

True

63
Q

Instrument used to determine the posterior surface radius of curvature of a rigid cl

A

Radiuscope and or contacto gauge

64
Q

Term for difference in pupil size

A

Anisocoria

65
Q

What is pupillomentary

A

Measurement of pupil diameters

66
Q

Name of reaction that occurs when light is directed into 1 pupil and opposite pupil simultaneously reacts

A

Consensual pupillary reaction

67
Q

If you can not center the thick and thin lines in the lens meter the lens has

A

Ground in prism

68
Q

Each black ring in the lensometer eyepiece reticle measures how much prism

A

1 diopter for each ring

69
Q

When preforming lensometry what is indicated if both the thin and wide lines are in focus at the same time

A

The lens is spherical

70
Q

Layers of the cornea

A 
Epithelium
Bowman
Stroma
Desciments
Endothelium
(Every boy should dance everyday)

Opthalmology (1 decks)

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