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Opto Prac 2 > Ophthalmoscopy > Flashcards

Ophthalmoscopy Flashcards

1
Q

Instrument designed for the examination of the interior of the eye.

A

Ophthalmoscope

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2
Q

Two types of Ophthalmoscope

A

Direct and Indirect Ophthalmoscope

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3
Q

An instrument about the size of a small flashlight with several lenses that can magnify up to about 15x and a field of view of about 6.5degrees.

A

Direct Ophthalmoscope

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4
Q

Image seen in D.O

A

Virtual and Erect

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5
Q

Ophthalmoscope accessories

A

Large light
Medium
Small
Half light
Red free
Slit
Blue light
Grid

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6
Q

Used for gauging convexity or concavity of a retinal lesion.

A

Vertical slit

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7
Q

decrease the amount of reflex pupillary constriction

A

Large and small apertures

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8
Q

decrease reflected glare from the cornea and anterior lens.

A

Little window of a polarizing glass

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9
Q

Used to measure vessel size

A

Grid

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10
Q

color is violet for making evaluation of the pattern of fitting contact lenses.

A

Cobalt blue filter

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11
Q

Used in contrasting red color of the blood vessels.

A

Red free filter

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12
Q

Contrast between vessels and background was great heightened and aberrations were diminished.

A

Yellowish-green filter

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13
Q

Test Target:

A

Gross target

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14
Q

Test Distance:

A

20ft or 6m

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15
Q

Illumination:

A

DIM

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16
Q

Constitutes a light attached to a headband, in addition to a small handheld lens.

A

Indirect ophthalmoscope

17
Q

Image seen in I.O

A

Real and inverted

18
Q

Magnification of about 2 to 5x and a field of view of about 25 or 30 degrees.

A

I.O

19
Q

GRIP

A

Greet, Rapport, Introduce and Identify, explain Procedure

20
Q

Who designed a head borne binocular indirect ophthalmoscope

A

Schepens

21
Q

If the image size enlarges, the eye is

A

Myopic

22
Q

If the image size decreases, the eye is

A

Hyperopic

23
Q

Blurred disc margin

Engorged, tortuous veins

A

Papilloedema

24
Q

Increased cupping

A

Glaucoma

25
Q

Pale, featureless disc

A

Optic atrophy

26
Q

Several small, friable new vessels forming around the optic disc.

A

Profilerative diabetic retinopathy

27
Q

corneal injection (red eye) hypopyon (pus in the anterior chamber)

A

Corneal ulcer

28
Q

best known fundus contact lens in the market.

A

Goldmann Three-Mirror Lens

29
Q

used in conjunction with a condensing lens.

field of view 10x wider than direct ophthalmoscopy

A

Binocular Indirect Ophthalmoscopy

30
Q

Dilation is Contraindicated to:

A

patients with history of penetrating injury
patients with iris-clip intraocular lens
driving following pupil dilation

31
Q

Most commonly used condensing lenses:

A

+14.00 to +20.00 D

32
Q

+14.00D

A

2.7x

33
Q

+20.00D

A

1.9x

34
Q

requires the use of a mydriatic agent.

A

Binocular Direct Ophthalmoscopy

Opto Prac 2 (3 decks)

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