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Corneal Degenerations
Ocular Disease II-Exam I
46
Medical
Graduate
08/28/2012

Additional Medical Flashcards

 


 

Cards

Term
The ring of white on the periphery of the cornea, extremely common, especially in the elderly
Definition
Arcus
Term
Narrow band of white crystalline-like opacity in nasal and temporal limbus area
Definition

Limbal Girdle of Vogt

Types I and II

Term
Type I of Limbal Girdle of Vogt is associated with which other corneal abnormality?
Definition
Early Band keratopathy
Term
Focal, peripheral thinning of cornea near limbus, secondary to dessication
Definition
Dellen
Term
How are Dellen treated?
Definition
Heavy lubrication and ointments
Term
Hassal Henle bodies occur because of changes in which layer of the cornea?
Definition
Descemet's layer
Term

Bilateral, inferior corneal thinning, similar to keratoconus

 

Definition
Pellucid Marginal Degeneration
Term
'Kissing birds' topography is indicative of which disorder?
Definition
Pellucid Marginal Degeneration
Term
Bilateral but asymmetric stromal thinning at the margin, opacification and superficial neovascularization
Definition
Terrien's Marginal Degeneration
Term
Bilateral thinning seen in or adjacent to arcus with  no symptoms and no underlying systemic disease
Definition
Marginal Furrow Degeneration --Idiopathic
Term
A corneal condition caused by autoimmune reaction that starts with marginal infiltrate and progresses to a serpiginous limbal ulceration
Definition
Mooren's ulcer
Term
What layer is affected by Posterior Crocodile Shagreen
Definition
The patches are on Descemet's
Term
Causes a fleshy, nodular mass on the surface of the cornea due to degeneration of Bowman's and epithelium
Definition
Amyloid Degeneration
Term
What are some conditions that can cause Amyloid Degeneration
Definition

Trachoma

Glaucoma

Uveitis

Bullous Keratopathy

Term
Granular, white, oval ring in the cornea, may contain iron
Definition
Coats White Ring-due to foreign body
Term
White/yellow deposits at Bowman's layer and the anterior stroma, calcium deposits, looks like soda foam, eventually opacity causes decreased VA
Definition
Band Keratopathy
Term
How is Band keratopathy treated?
Definition
Chelating agents that break down and remove the Ca, like EDTA, as well as lubrication
Term

Bullous Keratopathy:

asymptomatic or painful?

Definition
Acute and painful
Term

Bubbling of the cornea, breakdown and then reformation, caused by prolonged corneal edema

Scarring

Definition
Bullous Keratopathy
Term
What is the main cause of Bullous Keratopathy
Definition
Fuch's dystrophy (of the endothelium)
Term
Multiple, bluish nodules at the mid-periphery of cornea, bilateral, non-inflammatory
Definition
Salzmann's Nodular Degeneration
Term
Acute corneal tissue liquifaction related to Vit A deficiency
Definition
Keratomalacia
Term
Keratinization of the epithelium, atrophy of conjunctival goblet cells etc, due to Vit A deficiency 
Definition
Xerophthalmia
Term
Brown, vertical spindle-shaped pigment deposit on posterior cornea
Definition
Kruckenberg's Spindle
Term
Name 2 possible causes of Kruckenberg's Spindle
Definition

Uveitis

Pigment Dispersion Syndrome

Term
Grey/gold epithelial deposits in a swirl pattern on inferior corneal epithelium
Definition
Vortex/Whorl Keratopathy
Term
Name 2 common causes of Vortex keratopathy
Definition

Fabry's disease

Drugs-like Amiodarone, Indomethacin, Hydroxychloroquine and Tamoxifen

Term
Brown, triangular deposit on inferior, posterior cornea
Definition
Arlt's Triangle
Term
Brown, edematous haze in epithelium which suggests EBMD or RCE
Definition
Brawny Cornea
Term
The ferric deposition around a surgical filtration bleb
Definition
Ferry's Ring
Term
The ferric deposit at the base of keratoconic cone, seen easily with cobalt blue.
Definition
Fleisher's Ring
Term
A horizontal line of brown pigment granules on inferior cornea which suggests pigmentary glaucoma
Definition
Goar's line
Term
Intracorneal or Posterior corneal surface blood stain
Definition
Hemosiderosis
Term
Orange-brown line that deposits in Bowman's as patients age that is a frequent site of RCE
Definition
Hudson-Stahli line
Term
Copper deposition seen at chamber angle which suggests Wilson's Hepaticolenticular disease
Definition
Kaiser-Fleischer Ring
Term

Pigmented spokes that radiate into the cornea from the limbus, generally at 4 o'clock and 8 o'clock,

-suggests trauma, infection or focal toxic inflammation of Staph

Definition
Keratomelanocytosis
Term

Interstitial keratitis with an orange discoloration of midstroma

-suggests syphilitic keratitis

Definition
Salmon patch
Term
Pigment granules at Schwalbe's that suggest pigmentary glaucoma
Definition
Sampaolesi's Line
Term
Ferric deposit at leading edge of pterygium
Definition
Stocker's line
Term
Name the three overlapping ICE syndromes in DECREASING severity
Definition

Progressive Iris Atrophy

Cogan-Reese syndrome

Chandler syndrome

Term
Syndromes where the endothelium  can proliferate and migrate onto the chamber angle and iris surface, leading to glaucoma
Definition

ICE Syndromes

Iridocorneal Endothelial Syndromes

Term
Found to cause Corectopia, Pseudopolycoria, iris atrophy and endothelial abnormalities
Definition
ICE syndromes
Term
Of the 3 ICE syndromes which one(s) have the worst corneal edema
Definition
Chandler's
Term
Of the ICE syndromes which one(s) generally have the highest IOP
Definition
Cogan-Reese and PIA
Term
Of the 3 ICE syndromes which one(s) have the worst Corectopia?
Definition
Cogan-Reese and PIA
Term
Of the 3 ICE syndromes which one(s) have the highest glaucoma prevalence?
Definition
Cogan-Reese
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