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PHARMACOLOGY > other Dye and Stains > Flashcards

other Dye and Stains Flashcards

1
Q

Local Acting Dyes list:

A
  1. Fluorescein Dye
  2. Fluorexon
  3. Fluress
  4. Rose Bengal Dye
  5. Indocyanine green
  6. Argyrol
  7. Alcian Blue
  8. Sulforhodamine B
  9. Methylene Blue
  10. Trypan Blue
  11. Lissamine Green
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2
Q

Stains:

  • Large Epithelial defects
  • devitalized cells and mucin
  • (stains cytoplasm & nucleus)
A

Fluorexon

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3
Q

Stains devitalized cells and mucin to brilliant RED

seen by naked eyes

A

Rose Bengal Dye

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4
Q

Stains skin of the eyelids

A

Rose Bengal dye

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5
Q

Stains nucleus more than the cytoplasm

A

Rose Bengal Dye

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6
Q

vital stain, stain devitalized cells & mucin

Acidic and used as food colorant

simple screening method for detection of vit. A deficiency (xerophthalmia)

A

LISSAMINE GREEN

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7
Q

protein bound given IV angiography vs. Fluorescein angiography

A

INDOCYANINE GREEN (ICG) angiography

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8
Q

Angiography – more effective in revealing choroidal neovascular membranes due to larger wavelengths

vs Fluorescein dye angiography

A

INDOCYANINE GREEN (ICG)

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9
Q

stains disease or dead corneal endothelial cells → intracameral injection

A

INDOCYANINE GREEN (ICG)

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10
Q

Stain anterior lens capsule in cataract surgeries (phacoemulsification) – using 0.5% intracameral injection

A

INDOCYANINE GREEN (ICG)

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11
Q

staining internal limiting membrane – using 0.05% to 0.5% for posterior segment surgeries → intravitreal injection

A

INDOCYANINE GREEN (ICG)

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12
Q

Corneal stromal dystrophy → characterized by deposition of acid muco-polysaccharides in the corneal stroma

stain by:

A

1% ALCIAN BLUE

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13
Q

Differentiate mucin deposits (stained blue) from diseased cells (unstained)

A

1% ALCIAN BLUE

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14
Q
  • silver protein with antiseptic property

*1%-2% AgNO3 (Crede’s prophylaxis) → ophthalmia neonatorum infected Neisseria gonorrhea passes to infected birth canal

A

ARGYROL 10% - 20%

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15
Q

excellent indicator of adequacy of preoperative preparation prior to surgical eye scrub

(absence of stain means preparation is complete)

A

10% - 20% ARGYROL

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16
Q

molecular weight: 559

(does not stain epithelial cells but stain corneal stroma)

A

SULFORHODAMINE B

17
Q

orange excited by green light

by viewing thru orange filter can eliminate fluorescence of sclera allowing observation of tear film

A

SULFORHODAMINE B

18
Q

vital stain of corneal nerve tissue and stain devitalized corneal cells & mucin

A

5% METHYLENE BLUE

19
Q
  • bluish ocular discoloration persisting for 1 day
  • has bacteriostatic property
A

5% METHYLENE BLUE

20
Q

for irrigation of lacrimal sac prior to Dacryocystorhinostomy

A

5% METHYLENE BLUE

21
Q

stains anterior lens capsule during phacoemulsification (w/o staining the lens cortex and nucleus)

– 0.06 % intracameral

A

TRYPAN BLUE

22
Q

stain the ERM in posterior segment surgeries

(Epi-Retinal-Membrane)

A

TRYPAN BLUE

23
Q

-indicator of corneal endothelial integrity for corneal grafting by injecting to A.C.(intracameral)

A

TRYPAN BLUE

24
Q

stain and strip the Descemet’s membrane in Descemet’s stripping endothelial keratoplasty (DSEK)

A

TRYPAN BLUE

25
Q

aid in stripping the corneal endothelium from the donor button in Deep anterior lamellar keratoplasty (DALK).

A

TRYPAN BLUE

26
Q

stain the Tenon’s capsule after enucleation surgeries

A

TRYPAN BLUE

27
Q

Dyes with Antimicrobial Properties:

A

Rose Bengal - anti viral

Lissamine Green - anti viral

Methylene Blue - anti bacterial

Argyrols - anti bacterial

28
Q

used for Diagnosis of Dry Eye Syndrome (DES)

A

LISSAMINE GREEN

29
Q

used In Sjogren’s syndrome suspects – to rule out Keratoconjunctivitis sicca

A

LISSAMINE GREEN

30
Q

used for early diagnosis of KCS & Sjogren’s syndrome (tear deficiency)

A

ROSE BENGAL DYE

31
Q

used for characterizing the dendritic lesions of Herpes simplex I & zoster lesions and superficial punctate keratitis

A

ROSE BENGAL DYE

32
Q

diagnosis of Meibomian gland dysfunction (MGD) → oily layer Tear film def. → Dry Eyes Syndrome

A

ROSE BENGAL DYE

33
Q

for diagnosis of polypoidal choroidal vasculopathy, choroidal neovascular membrane, age related macular degeneration (wet), and posterior uveitis

A

INDOCYANINE GREEN

34
Q

Does not stain most soft contact lenses

A

FLUOREXON

35
Q

prevent diffusing to contact lens

does not stain small epithelial defects e.g. micropunctate keratitis, fine dendritic keratitis, small blebs, minor corneal erosions

A

Fluorexon

PHARMACOLOGY (40 decks)

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