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cornea > cornea groupings > Flashcards

cornea groupings Flashcards

1
Q

old (40

A

Senile Arcus [40-60 YO 60%]
Senile Arcus [> 80 YO 100%]
White Limbal Girdle of Vogt [ > 40 YO; 60%]
White Limbal Girdle of Vogt [ > 80 YO; 100%]
Salzmann’s Nodular Degerneration [Elderly]
Hudson Stahli Line [Elderly]

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2
Q

young (14)

A

Axenfeld-Rieger’s Anomaly [Young Adulthood]

Arcus Juvenilus [if

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3
Q

a/w edema (1)

A

RCE (FOCAL CORNEA)

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4
Q

TX W/ BSCL (3)

A
  1. RCE

2. BAND KERATOPATHY

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5
Q

TX WITH STEROIDS

A

STERILE CORNEAL ULCER

MOOREN’S DEGENERATION

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6
Q

a/w hyperopia (1)

A

microcornea

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7
Q

aw myopia (1)

A

megalocornea

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8
Q

no tx (6)

A 
Posterior Embryotoxon
White Limbal Girdle of Vogt
Cornea Farinata
Band Keratopathy [if asymptomatic]
Hudson Stahli Line
Mooren's Degeneration
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9
Q

Aw/glaucoma (5)

A 
Microcornea [Angle Closure Glaucoma]
Axenfeld-Rieger's Anomaly [50%]
Peters' Anomaly [50%]
nevus of ota 
lattice corneal dystrophy (type 2 )
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10
Q

syndrome

A

Axenfeld-Rieger’s Anomaly
Peters’ Anomaly

Parinaud’s Oculoglandular Conjunctivitis

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11
Q

Penetrating keratoplasty tx (5)

A 
Peters' Anomaly [Only]
Keratoconus [Only]
Pellucid Marginal Degeneration
Terrien's Marginal Degeneration
Salzmann's Nodular Degeneration
EBMD
Thiel-Behnke Corneal Dystrophy
Lattice Corneal Dystrophy Type 1 [Early in life; 4th decade]
Lattice Corneal Dystrophy Type 2
Granular Corneal Dystrophy Type 1
Granular Corneal Dystrophy Type 2
Macular Corneal Dystrophy [Only; by 4th decade w/ good prognosis]
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12
Q

A/W Decemet’s Membrane (3)

A

Peters’ Anomaly [& Endothelium]
Senile Arcus [Gerontoxon; DM -> BL]
Keratoconus [Vogt’s Line/Striae; Vertical; Late]

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13
Q

A/W Microphthalmos (2)

A

Peters’ Anomaly

Microcornea

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14
Q

A/W Systemic Disease

A
  1. Peters’ Anomaly [Cleft plate, heart defects, skeletal]
    Corneal Degenerations
  2. Keratoconus [Marfan Syndrome, Atopia, Down Syndrome, Ehlers-Danlos Syndrome]
  3. Band Keratopathy [Hypercalcemia, Excessive Vitamin D, Renal Failure, Sarcoidosis, Hyperparathyroidism, JIA]
    Lattice Corneal Dystrophy Type 2 [CAP: Cranial neuropathy, Autonomic disturbance, Peripheral polyneuropathy]
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15
Q

A/W Cholesterol (2)

A

Senile Arcus [Gerontoxon; yellow-white hazy stromal ring]

Terrien’s Marginal Degeneration [yellow-white line central to thinning]

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16
Q

Lipid Profile Needed (2)

A

Senile Arcus
terrien marginal degeneration
xanthoma

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17
Q

Lucid Limbal Area (2)

A

Senile Arcus

White Limbal Girdle of Vogt Type 2 [Narrow]

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18
Q

increased risk of HA (1)

A

SENILE ARCUS (4X)

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19
Q

100% of Patients > 80 YO (2)

A

Senile Arcus

White Limbal Girdle of Vogt

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20
Q

No Lucid Area (2)

A

White Limbal Girdle of Vogt Type 2

Terrien’s Marginal Degeneration

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21
Q

Degeneration of Subepithelial Collagen (1)

A

White Limbal Girdle of Vogt

Pinguecula

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22
Q

A/W Epithelium (3)

A

RCE
Salzmann’s Nodular Degeneration [Nodules consist of hyaline plaques anterior to Bowman’s layer with thinned epithelium]
Band Keratopathy [elevated epithelium]

EBMD [abnormality of production of BM that extends into epithelium; multiple BM in corneal epithelium]
Meesmann Corneal Dystrophy [100s of tiny cysts in epithelium]

23
Q

A/W Subepithelium (1)

A

White Limbal Girdle of Vogt

Lattice Corneal Dystrophy Type 1 [Discrete subepithelial white dots; and central anterior stromal haze]

24
Q

Most Centrally (4)

A

Peters’ Anomaly
Mosaic Shagreen [Crocodile]
Polymorphic Amyloid Degeneration [& Post]
Corneal Dystrophies [ > Peripherally]
Reis-Bucklers Corneal Dystrophy [and mid periphery
Lattice Corneal Dystrophy Type 1 [Brancking lines that start centrally and more superficially & then spreads deeper towards the periphery]
Granular Corneal Dystrophy Type 1 [Initially opacities are separated by clear cornea -> eventually becomes confluent and severely effects VA; periphery is uninvolved]
Granular Corneal Dystrophy Type 2 [Because it is a combination between granular-lattice corneal dystrophy]
Macular Corneal Dystrophy

25
Q

A/W Stroma (5)

A

Mosaic Shagreen [Ant & Post]
Cornea Farinata [Dots/Flecks; Deep]
Polymorphic Amyloid Degeneration [Throughout but more common CENTRAL & POST; Deep]
Keratoglobus [complete ectasia]
Salzmann’s Nodular Degeneration [usually BL/Epi but can cause scarring if -> stroma]

26
Q

Age Related [Involutional] (3)

A

Mosaic Shagreen
Cornea Farinata
Marginal Furrow Degeneration [Senile Corneal Furrow Degeneration]

27
Q

Separated By Clear Space (5)

A

Senile Arcus
White Limbal Girdle of Vogt Type 1 [Limbal]
Mosaic Shagreen [b/w polygonal opacities]
Salzmann’s Nodular Degeneration [single or multiple nodules separated by clear cornea]
Band Keratopathy [separated from limbus by clear zone]

Granular Corneal Dystrophy Type 1 [Initially opacities are separated by clear cornea -> eventually becomes confluent and severely effects VA; periphery is uninvolved]
Granular Corneal Dystrophy Type 2

28
Q

Best Seen With Retroillumination (3)

A

Cornea Farinata [of Iris]
Polymorphic Amyloid Degeneration [of Retina]
Keratoconus [shows “oil droplets” in correlation w/ location of cone]
Meesmann Corneal Dystrophy [or w/ indirect illumination]
Granular Corneal Dystrophy [Types 1 & 2]

29
Q

Every Layer Involved

A

Keratoconus

Macular Corneal Dystrophy [Can involve]

30
Q

Damage at Bowman’s (4)

A

Keratoconus [Initially]
Terrien’s Marginal Degeneration [absent/degenerated]
Salzmann’s Nodular Degeneration [faulty; focal/absent]
Band Keratopathy [“swiss cheese appearance” b/c holes where nerves penetrate BL]

Reis-Butlers Corneal Dystrophy [Bowman’s Layer and Superficial Stroma]
Thiel-Behnke Corneal Dystrophy [BL; can progress to deep stroma & periphery]

Macular Corneal Dystrophy [Opacities may protrude through BL causing RCEs]
mnemonic: TERRIENT BAND RE-issued The BOW.

31
Q

A/W Keratoconus

A
  1. Ocular Associations:
    a. VKC
    b. Atopic Kertatoconjunctivitis; both from itching/rubbing eye!
    c. Floppy Eyelid Syndrome
    d. Retinitis Pigmentosis
    e. Significant irregular astigmatism [spectacle prescription not helpful]
    Mnemonic: ViKie Retried AT Florida KEr city.
  2. Systemic Associations (MADE):
    a. Marfan Syndrome
    b. Atopic disease
    c. Down Syndrome
    d. Ehlers-Danlos Syndrome [like dermatocholasis]
    Mnemonic: MADE
32
Q

A/W Ehlers-Dalos Syndrome (3)

A

KERATOCONNUS
KERTATOGLOBUS
DERMATOCHALASIS

33
Q

A/W Iron Deposits (4)

A

Pterygium [Stocker’s line at head of pterygium; aggressive]
Keratoconus [Fleisher’s Ring; in stroma around base of cone]
Salzmann’s Nodular Degeneration [sometimes outlines baseof nodule]
Hudson Stahli Line [junction b/w middle and lower 1/3 of cornea; epithelial depostis]
MNEMONIC: KEry Started Saving PT IRONICALLY

34
Q

Tx w/ Cycloplegic

A

keratoconnus (acute corneal hydrops)

35
Q

Tx w/ Hyperosmotic (2)

A

Keratoconus [Acute Corneal Hydrops; Muro 128 5%]
Peters’ Anomaly
EBMD [Muro 128 5% ung QHS and sol BID]

36
Q

Increased Chance of Perforation (3)

A

Pellucid Marginal Degeneration
Terrien’s Marginal Degeneration [w/ trauma]
Mooren’s Degeneration [Type 2]
MNEOMONC: TERRIEN PElvis MORe PERFORATED.

37
Q

Tx w/ Lamellar Keratoplasty(4)

A

Pellucid Marginal Degerneration
Terrien’s Marginal Degeneration
Salzmann’s Nodular Degerneration
Band Keratopathy

38
Q

Thinning of Cornea (5)

A

Keratoconus [Inferior]
Keratoglobus [everywhere]
Pellucid Marginal Degeneration [4-8 O’Clock]
Marginal Furrow Degeneration [cornea adjacent to limbus]
Terrien’s Marginal Degerneration [w/opacification -> vascularization]
Meesmann Corneal Dystrophy [due to fragility of corneal epi]

39
Q

Asymptomatic (4)

A

Marginal Furrow Degeneration
Terrien’s Marginal Degeneration [if no astigmatism]
Salzmann’s Nodular Degeneration [unless near visual axis]
Hudson Stahli Line
Meesmann Corneal Dystrophy [Maybe]

40
Q

Marginal Opacifications (3)

A

Senile Arcus [inferior -> superior -> 360]
White Limbal Girdle of Vogt [limbal w/ N > T; never 360]
Terrien’s Marginal Degeneration [superior -> 360]

41
Q

A/W Vascularization (1)

A

Terrien’s Marginal Degeneration

42
Q

Tx w/ CL [RGP/Scleral] (3)

A

Keratoconus
Terrien’s Marginal Degeneration
Salzmann’s Nodular Degerneration

43
Q

A/W RCE (11)

A

Salzmann’s Nodular Degeneration [b/c nodule disrupts epithelium]
Band Keratopathy
EBMD
Meesmann Corneal Dystrophy
Reis-Bucklers Corneal Dystrophy
Thiel-Behnke Corneal Dystrophy
Lattice Corneal Dystrophy Type 1
Lattice Corneal Dystrophy Type 2 [Later in life]
Granular Corneal Dystrophy Type 1 [Low incidence but occurs later in life]
Granular Corneal Dystrophy Type 2
Macular Corneal Dystrophy

Rosacea [15%]

44
Q

Unilateral > Bilateral (2)

A

Salzmann’s Nodular Degeneration

Mooren’s Degeneration [Type 1]

45
Q

nodular (1)

A

SALZMANN’S NODULAR DEGENERATION

46
Q

Spontaneous Etiology (1)

A

Salzmann’s Nodular Degeneration

47
Q

A/W Thygeson’s Superficial Keratitis (1)

A

Salzmann’s Nodular Degeneration

48
Q

Tx w/ Laser Phototherapeutic Keratectomy [PTK] (2)

A 
Salzmann's Nodular Degeneration
Band Keratopathy
EBMD
Thiel-Behnke Corneal Dystrophy
Lattice Corneal Dystrophy Type 1
Granular Corneal Dystrophy Type 1
Granular Corneal Dystrophy Type 2
49
Q

A/W Renal Disease (1)

A

Band Keratopathy

50
Q

A/W Juvenile Idiopathic Arthritis (1)

A

Band Keratopathy

51
Q

A/W Parathyroid Dz (1)

A

Band Keratopathy

52
Q

Corneal Ulcers (1)

A

Mooren’s Degeneration

53
Q

BAND keratopathy Associated systemic diseases (6)

A
  1. hypercalcemia
  2. EXCESS vitamin D Production
  3. Real failure
  4. sarcoidosis
  5. hyperparathyroidism
  6. juvenile ischemic arteritis.

cornea (4 decks)

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