Ohp II Mt 2 Cataracts

69 Questions | Total Attempts: 49

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Ohp II Mt 2 Cataracts - Quiz

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Questions and Answers
  • 1. 
    Phacolytic glaucoma and lens particle glaucoma are very similar in that they both involve lens proteins that go into the AC and clog the TM.  Describe the 2 main differences between these two.
  • 2. 
    When would a B-Scan be important for pre-cataract sx testing?
  • 3. 
    The most common type of senile cataract is _______.
  • 4. 
    Infantile (congenital) catracts typically do NOT affect vision.
    • A. 

      True

    • B. 

      False

  • 5. 
    Indicate which conditions can result due to anterior/posterior polar cataracts.
    • A. 

      Uveitis

    • B. 

      Myopic shift

    • C. 

      Increased glare issues

    • D. 

      Capsular rupture

    • E. 

      Hyperopic shift

  • 6. 
    Zonular cataracts present as a region/zone of the lens that is opaque and is usually unilateral.
    • A. 

      True

    • B. 

      False

  • 7. 
    Which of the following is the most common type of congenital cataract?
    • A. 

      Fetal Nuclear

    • B. 

      Lamellar

    • C. 

      Blue Dot

    • D. 

      Coronary

  • 8. 
    Fetal Nuclear Cataracts are limited to what area of the nucleus?
    • A. 

      Embryonic nucleus

    • B. 

      Fetal nucleus

    • C. 

      Adult nucleus

  • 9. 
    Sutural cataracts can occur in both the anterior and posterior of the lens.  Anterior is more common.
    • A. 

      True

    • B. 

      False

  • 10. 
    For sutural (stellate) cataracts, anterior sutures are inverted 'Y'-shaped and posterior sutures are 'Y'-shaped
    • A. 

      True

    • B. 

      False

  • 11. 
    Coronary and Blue Dot cataracts occur in the lens nucleus.
    • A. 

      True

    • B. 

      False

  • 12. 
    Down's Syndrome and Myotonic Dystrophy are associated with what type of congenital cataract?
    • A. 

      Lamellar

    • B. 

      Sutural

    • C. 

      Coronary

    • D. 

      Blue Dot

  • 13. 
    What is the most common cause of Total Congenital cataract?
    • A. 

      Rubella

    • B. 

      Mumps

    • C. 

      Hepatitis

    • D. 

      Toxoplasmosis

  • 14. 
    Galactosemia causes what type of secondary cataract?
    • A. 

      Polychromatic

    • B. 

      Diabetic

    • C. 

      Anterior Subcapsular

    • D. 

      Oil Droplet

  • 15. 
    Indicate which type(s) of cataracts can cause a myopic shift.
    • A. 

      Oil Droplet

    • B. 

      Cortical

    • C. 

      Diabetic

    • D. 

      Traumatic

    • E. 

      Morganian

    • F. 

      NSC

  • 16. 
    Indicate the potential causes of Polychromatic (christmas tree) cataracts.
    • A. 

      Thermal radiation

    • B. 

      Wilson's Disease

    • C. 

      Myotonic dystrophy

    • D. 

      Trauma

    • E. 

      Cholesterol issues

  • 17. 
    A 'milky NSC' apperance is associated with what type of secondary cataract?
    • A. 

      Sunflower

    • B. 

      Diabetic

    • C. 

      Posterior Subcapsular

    • D. 

      Hypermature

  • 18. 
    Glassblower's cataract is also known as a pseudo-exfoliation cataract
    • A. 

      True

    • B. 

      False

  • 19. 
    Wilson's Disease involves copper accumulation from poor metabolism and is associated with a Keiser-Fleisher Ring
    • A. 

      True

    • B. 

      False

  • 20. 
    Drugs such as phenothiazines and miotics can cause what type of secondary cataract?
    • A. 

      Polychromatic

    • B. 

      Hypermature

    • C. 

      Anterior Subcapsular

    • D. 

      Mature

  • 21. 
    Posterior subcapsular is rarely visually devastating.
    • A. 

      True

    • B. 

      False

  • 22. 
    A 'rosette (star of david) or vossius ring is associted with which type of cataract?
    • A. 

      NSC

    • B. 

      Cortical

    • C. 

      Traumatic

    • D. 

      Morganian

  • 23. 
    A Mature cataract is one where there is liquefaction of lens contents and wrinkling of capsule; a Hypermature cataract is complete opacification of lens capsule, cortex and nucleus
    • A. 

      True

    • B. 

      False

  • 24. 
    If you see nuclear contents that have sunken inferiorly, what type of cataract would you consider?
    • A. 

      Diabetic

    • B. 

      Hypermature

    • C. 

      Morganian

    • D. 

      Total Congenital

  • 25. 
    What is the VA limit for Medicare to cover cataract extraction?
    • A. 

      20/30

    • B. 

      20/40

    • C. 

      20/50

    • D. 

      20/60

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