Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

OCULAR DISEASE RNH > 3 DISORDER OF CORNEA > Flashcards

3 DISORDER OF CORNEA Flashcards

1
Q

Which of the following is not belong to superficial lesions

  • Filaments
  • Pannus
  • Vascularization
A

Vascularization

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Which of the following is not belong to superficial lesions

  • Punctate epithelial erosions
  • Lipid Deposition
  • Subepithelial infiltrates
A

Lipid Deposition

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Which of the following is not belong to superficial lesions

  • Ulceration
  • Punctate epithelial keratitis
  • Epithelial edema
A

Ulceration

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Which of the following is not belong to superficial lesions

  • Infiltrates
  • Superficial punctate keratitis
  • Filaments
A

Infiltrates

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Which of the following is not belong to deep lesions

  • Infiltrates
  • Superficial punctate keratitis
  • Ulceration
A

Superficial punctate keratitis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Which of the following is not belong to deep lesions

  • Seidel test
  • Descemetocele
  • Punctate epithelial keratitis
A

Punctate epithelial keratitis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Which of the following is not belong to deep lesions

  • Lipid Deposition
  • Epithelial edema
  • Breaks in Descemet Membrane
A

Epithelial edema

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

generally an early sign of epithelial compromise

  • Subepithelial infiltrates
  • Punctate epithelial keratitis
  • Punctate epithelial erosions
A

Punctate epithelial erosions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Granular, opalescent, swollen epithelial cells, with focal intraepithelial infiltrates

  • Subepithelial infiltrates
  • Punctate epithelial keratitis
  • Punctate epithelial erosions
A

Punctate epithelial keratitis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

tiny subsurface foci of non-staining inflammatory infiltrates

  • Subepithelial infiltrates
  • Punctate epithelial keratitis
  • Punctate epithelial erosions
A

Subepithelial infiltrates

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

is a non-specific term describing any corneal epithelial disturbance

  • Filaments
  • Superficial punctate keratitis
  • Epithelial edema
A

Superficial punctate keratitis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

strands of mucus admixed with epithelium, attached at one end to the corneal surface

  • Filaments
  • Superficial punctate keratitis
  • Epithelial edema
A

Filaments

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

subtle cases may manifest with loss of normal corneal luster

  • Filaments
  • Superficial punctate keratitis
  • Epithelial edema
A

Epithelial edema

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

is a feature of chronic ocular surface irritation or hypoxia

  • Pannus
  • Superficial neovascularization
  • Epithelial edema
A

Superficial neovascularization

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

describes superficial neovascularization accompanied by degenerative subepithelial change extending centrally from the limbus

  • Pannus
  • Superficial neovascularization
  • Epithelial edema
A

Pannus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

are focal areas of acute stromal inflammation composed of inflammatory cells, and cellular and extracellular debris including necrosis

  • Ulceration
  • Vascularization
  • Infiltrates
  • Folds
A

Infiltrates

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

refers to tissue excavation associated with an epithelial defect

  • Ulceration
  • Vascularization
  • Infiltrates
  • Folds
A

Ulceration

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

in Descemet membrane

  • Ulceration
  • Vascularization
  • Infiltrates
  • Folds
A

Folds

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

may follow chronic inflammation with leakage from corneal new vessels

  • Seidel test
  • Lipid Deposition
  • Breaks in Descemet Membrane
  • Descemetocele
A

Lipid Deposition

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

may be due to corneal enlargement (Haab striae in infantile glaucoma) or deformation

  • Seidel test
  • Lipid Deposition
  • Breaks in Descemet Membrane
  • Descemetocele
A

Breaks in Descemet Membrane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

usually only develops when the ocular defences have been compromised

  • FUNGAL KERATITIS
  • BACTERIAL KERATITIS
A

BACTERIAL KERATITIS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

is rare in temperate countries but is a major cause of visual loss in tropical and developing countries

  • FUNGAL KERATITIS
  • BACTERIAL KERATITIS
A

FUNGAL KERATITIS

23
Q

is a phylum of obligate intracellular one-celled parasites previously thought to be protozoa but recently reclassified as fungi

  • MICROSPOROIDAL KERATITIS
  • HERPES SIMPLEX KERATITIS
A

MICROSPOROIDAL KERATITIS

24
Q

developed with a cuboidal capsule and has a linear double-stranded DNA genome

  • MICROSPOROIDAL KERATITIS
  • HERPES SIMPLEX KERATITIS
A

HERPES SIMPLEX KERATITIS

25
Q

HSV

without previous viral exposure, usually occurs in childhood and is spread by droplet transmission, or less frequently by direct incolation

  • Primary infection
  • Recurrent infection
A

Primary infection

26
Q

HSV

reactivation in the presence of cellular and humoral immunity

  • Primary infection
  • Recurrent infection
A

Recurrent infection

27
Q

yellow-white densely suppurative infiltrate

  • Candida keratitis
  • Filamentous keratitis
A

Candida keratitis

28
Q

Agreyor yellow-white stromal
infiltrate with indistinct fluffy
margins.

  • Candida keratitis
  • Filamentous keratitis
A

Filamentous keratitis

29
Q

dendritic or geographic keratitis
associated with ACTIVE VIRUS replication.

  • EPITHELIAL KERATITIS
  • DISCIFORM KERATITIS
A

EPITHELIAL KERATITIS

29
Q

dendritic or geographic keratitis
associated with ACTIVE VIRUS replication.

  • EPITHELIAL KERATITIS
  • DISCIFORM KERATITIS
A

EPITHELIAL KERATITIS

29
Q

dendritic or geographic keratitis
associated with ACTIVE VIRUS replication.

  • EPITHELIAL KERATITIS
  • DISCIFORM KERATITIS
A

EPITHELIAL KERATITIS

30
Q

It may be active HSV infection of keratocytes or endothelium, or a hypersensitivity reaction to
viral antigen in the cornea.

  • EPITHELIAL KERATITIS
  • DISCIFORM KERATITIS
A

DISCIFORM KERATITIS

31
Q

This rare condition is thought to
result from active viral replication within the stroma, though immune-mediated inflammation plays a
significant role.

  • NECROTIZING STROMAL KERATITIS
  • HERPES ZOSTER OPHTHALMICUS (HZO)
A

NECROTIZING STROMAL KERATITIS

32
Q

The varicella-zoster virus (VZV) causes both chicken pox (varicella) and shingles (herpes
zoster).

  • NECROTIZING STROMAL KERATITIS
  • HERPES ZOSTER OPHTHALMICUS (HZO)
A

HERPES ZOSTER OPHTHALMICUS (HZO)

33
Q

VZV belongs to the same subfamily of the herpes virus group as the HSV and the two viruses are morphologically identical but antigenically
distinct.

  • NECROTIZING STROMAL KERATITIS
  • HERPES ZOSTER OPHTHALMICUS (HZO)
A

HERPES ZOSTER OPHTHALMICUS (HZO)

34
Q

A prodromal phase precedes the
appearance of the rash.

  • Acute shingles
  • Interstitial keratitis
  • Cogan syndrome
A

Acute shingles

35
Q

an inflammation of the corneal stroma without primary involvement of the epithelium or endothelium.

  • Acute shingles
  • Interstitial keratitis
  • Cogan syndrome
A

Interstitial keratitis

36
Q

a rare systemic autoimmune vasculitis characterized by intraocular inflammation and
vestibulo auditory dysfunction

  • Acute shingles
  • Interstitial keratitis
  • Cogan syndrome
A

Cogan syndrome

37
Q

ubiquitous free-living
protozoa commonly found in soil, fresh or brackish water and the upper respiratory tract.

  • Acanthamoeba
  • Onchocerciasis
A

Acanthamoeba

38
Q

‘river blindness’

  • Acanthamoeba
  • Onchocerciasis
A

Onchocerciasis

39
Q

caused by infestation with the
parasitic helminth Onchocerca

volvulus

  • Acanthamoeba:
    *
A

Onchocerciasis:

40
Q

caused by infestation with the
parasitic helminth Onchocerca

volvulus

  • Acanthamoeba
  • Onchocerciasis
A

Onchocerciasis

41
Q

probably caused by a hypersensitivity reaction against staphylococcal exotoxins and cell wall proteins

  • Marginal keratitis
  • Phlyctenulosis
A

Marginal keratitis

42
Q

usually a self-limiting disease
presumed delayed hypersensitivity reaction to
staphylococcal antigen; the most common systemic association is rosacea.

  • Marginal keratitis
  • Phlyctenulosis
A

Phlyctenulosis

43
Q

a rare, idiopathic disease
characterized by progressive circumferential peripheral, stromal ulceration with later central spread.

  • Mooren ulcer
  • Terrien marginal degeneration
A

Mooren ulcer

44
Q

uncommon idiopathic
thinning of 
the peripheral cornea. Presentation is usually after the 4th decade with initially asymptomatic peripheral corneal lesions

  • Mooren ulcer
  • Terrien marginal degeneration
A

Terrien marginal degeneration

45
Q

occurs when there is loss of the trigeminal innervation to the
cornea resulting in partial or complete anaesthesia

  • NEUROTROPHIC KERATOPATHY
  • EXPOSURE KERATOPATHY
A

NEUROTROPHIC KERATOPATHY

46
Q

is the result of incomplete lid closure (lagophthalmos). 
present on blinking or gentle lid closure, but absent on forced lid closure.

  • NEUROTROPHIC KERATOPATHY
  • EXPOSURE KERATOPATHY
A

EXPOSURE KERATOPATHY

47
Q

refers to the spectrum of ocular disease caused by lack of vitamin A, and is a late manifestation of
severe deficiency.

  • XEROPHTHALMIA
  • CORNEAL ECTASIAS
A

XEROPHTHALMIA

48
Q

a progressive disorder in which the cornea assumes a conical shape secondary to stromal thinning and protrusion.

  • KERATOCONUS
  • KERATOGLOBUS
A

Keratoconus

49
Q

an extremely rare congenital condition in which the entire cornea is abnormally thin.

  • KERATOCONUS
  • KERATOGLOBUS
A

KERATOGLOBUS

50
Q

The hallmark of _____ is central or paracentral stromal thinning, accompanied by apical protrusion and irregular astigmatism.

  • Keratoconus
  • Acute hydrops
A
  • Keratoconus
51
Q

Presentation is typically during puberty with unilateral impairment of vision due to progressive myopia and astigmatism, which subsequently
becomes irregular.

  • Keratoconus
  • Acute hydrops
A

keratoconus

OCULAR DISEASE RNH (17 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions