ocular pathology nbeo.txt

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cjensen20
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279256
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ocular pathology nbeo.txt
Updated:
2015-02-24 15:24:36
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ocular pathology nbeo optometry
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ocular pathology nbeo optometry
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  1. What can cause lens subluxation?
    • Marfans
    • Trauma
    • Homocystinurina
    • Ehlers-danlos syndrome
    • Weill-marhesani syndrome
  2. What is kocher's sign?
    Starring found in thyroid eye disease
  3. What is von graefe's sign?
    Lid lag during downgaze in thyroid eye disease
  4. Where is an internal hordeolum located?
    Meibomian glands
  5. Where is an external hordeolum located?
    • Glands of zeiss (accessory)
    • Glands of moll (sweat gland)
  6. Whatis ferry's line?
    Leading edge of a filtering line
  7. What is stocker's line?
    Leading edge of a pterygium
  8. What is fleischer's ring?
    Base of the cone in keratoconus
  9. What is Kayser Fleisher ring?
    Think wilson's disease
  10. What is Hudson stahli line?
    Between middle and lower third of cornea
  11. What is schafer's sign
    • Aka tobacco dust
    • Pigment cells in vitreous
    • Result of RD
  12. What condition is associated with disciform keratitis?
    HSV
  13. Which layer of the cornea does disciform keratitis occur?
    Stroma
  14. What stain is used to determine HSV?
    Giemsa stain
  15. What herpes virus has buds?
    HSV
  16. What herpes virus has pseudo dendrites?
    HZV
  17. What types of fungi are more likely to cause a corneal ulcer after vegetable matter trauma?
    • Aspergillus
    • Fusarium
  18. What type of fungi is classically associated with fungal ulcers associated with chronic keratitis?
    Candida
  19. What type of fungus is associated with the immunocompromised?
    Candida
  20. What fungi are non-filamentous?
    Candida
  21. What fungi are filamentous?
    • Aspergillus
    • Fusarium
  22. What two corneal signs typically indicate fungal ulcer:
    • Feathery edges
    • Satellite infiltrates
  23. What are signs of histoplasmosis?
    • Punched out spots
    • Peripapillary atrophy
    • No vitritis
    • CNV
  24. What 4 bacterium can invade an intact corneal epithelium?
    • Corneybacterium diptheriae
    • Neisseria gonorrhea
    • Haemophilus
    • Listeria
    • Canadian National Hockey League
  25. What bacterium is the most common culprit in bacterial endopthalmitis?
    Staph epidermidis (gram +...like bleph)
  26. What type of central retinal occlusion stems from emboli?
    CRAO
  27. What type of central retinal occlusion stems from thrombi?
    CRVO
  28. What is the most common benign orbital tumor in adults?
    Cavernous hemangioma
  29. What is the most common benign orbital tumor in children?
    Capillary hemangioma
  30. What is the most common primary pediatric orbital malignancy?
    Rhabdomysarcoma
  31. What is the most common secondary pediatric orbital malignancy?
    Neuroblastoma
  32. What stromal corneal dystrophies are there?
    • Macular dystrophy
    • Granular dystrophy
    • Lattice dystrophy
    • Schnyder's dystrophy
  33. What stromal corneal dystrophies are autosomal recessive?
    Macular dystrophy
  34. What stromal corneal dystrophies are autosomal dominant?
    • Granular dystrophy
    • Lattice dystrophy
    • Schnyder's dystrophy
  35. What posterior corneal dystrophies are there?
    • Fuchs
    • Posterior polymorphous dystrophy
  36. What are some AC anomalies of interest?
    • Megalocornea
    • Microcornea
    • Cornea plana
    • Sclerocornea
    • Haab's striae
    • Posterior embryotoxin
    • Axenfeld's anomaly
    • Reiger's anomaly
    • Reiger's syndrome
    • Peter's anomaly
  37. How is megalocornea inherited?
    x-linked
  38. what is haab's striae?
    Horizontal cracks in descemet's membrane from increase IOP
  39. What is posterior embryotoxin?
    Anterior displaced schwalbe's line
  40. What is axenfeld's anomaly?
    Prominent iris strands +PE
  41. What is reiger's syndrome?
    • Reiger's anomaly + mental retardation
    • Dental, facial and skeletal abnormalities
    • Typically causes glaucoma
  42. What is reiger's anomaly?
    PE + axenfeld's + displaced pupil
  43. What is peter's anomaly?
    Central corneal opacity with iris adhesions
  44. what drugs are toxic to the cornea?
    • Chlorpromazine - stellate cataracts
    • Amiodarone- deposits
    • Miotics - vacuoles
    • Gold salts- gold deposits

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