Ocular Disease II Mt 2

36 Questions | Total Attempts: 282

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Glaucoma Quizzes & Trivia

Glaucoma


Questions and Answers
  • 1. 
    Describe why pts may be mis-diagnosed with ocular HTN & LTG based on their corneas.
  • 2. 
    What is the equatio for ocular perfusion (OP)?
  • 3. 
    Small scleral canals tend to be related to what type of refractive error?
    • A. 

      Myopes

    • B. 

      Hyperopes

    • C. 

      Emmetropes

    • D. 

      There is no relation of refractive error & scleral canal size

  • 4. 
    Indicate which areas of the lamina cribosa tend to have larger pore size.
    • A. 

      Superior

    • B. 

      Nasal

    • C. 

      Temporal

    • D. 

      Inferior

  • 5. 
    Where is there the greatest overlap of receptive fields?
    • A. 

      Arcuate bundles

    • B. 

      PM bundles

    • C. 

      NR bundles

    • D. 

      Equal overlap in all RNFL bundles

  • 6. 
    Most early VF loss in GLC occurs in the periphery and progresses centrally, eventually leading to blindness if left untreated.
    • A. 

      True

    • B. 

      False

  • 7. 
    Indicate all the signs/symptoms associated with DIFFUSE axon loss.
    • A. 

      Vertical elongation of cup

    • B. 

      Tritan (B/Y) CV defect

    • C. 

      Slit/wedge defect

    • D. 

      Younger pts

    • E. 

      Normal/slightly elevated IOPs

    • F. 

      Nasal step

  • 8. 
    You do not need an increase an IOP or VF loss to diagnose GLC.
    • A. 

      True

    • B. 

      False

  • 9. 
    GLC functional changes can precede structural damage by years
    • A. 

      True

    • B. 

      False

  • 10. 
    1 tonometry reading has low sensitivity and relatively high specificiy
    • A. 

      True

    • B. 

      False

  • 11. 
    Which of the following GLC meds does not work at night?
    • A. 

      Latanoprost

    • B. 

      Timolol

    • C. 

      Brinzolamide

    • D. 

      Pilocarpine

  • 12. 
    Which ethnicity is the strongest risk factor for developing 'normal tension' GLC?
    • A. 

      African Americans

    • B. 

      Hispanic

    • C. 

      Japanese

    • D. 

      Chinese, Vietnamese, Eskimo

  • 13. 
    Which of the following systemic disease results in slower recycling of mucopolysaccharides in the TM endothelium and subsequent increase in IOP?
    • A. 

      Hyperthyroidism

    • B. 

      High blood pressure

    • C. 

      High cholesterol

    • D. 

      Hypothyroidism

  • 14. 
    Corneal edema will result in false ____ IOP
    • A. 

      Low

    • B. 

      High

    • C. 

      Could be high or low depending on etiology

  • 15. 
    I-Care tonometry has many advantages including: no anesthetic needed, portable, less affected by biomechanical factors compared to NCT
    • A. 

      True

    • B. 

      False

  • 16. 
    Thicker corneas will have a false high IOP reading on GAT.
    • A. 

      True

    • B. 

      False

  • 17. 
    1 mmHg increase in IOP results in ___% increased risk for GLC damage
    • A. 

      1%

    • B. 

      10%

    • C. 

      20%

    • D. 

      65%

  • 18. 
    For every ____ microns thinner CCT than normal, there is a ____% increased risk for GLC damage.
  • 19. 
    What is the standard of care in GLC detection & management?
    • A. 

      Tonometry

    • B. 

      Fourier OCT Imaging

    • C. 

      W/W Automated Threshold Perimetry

    • D. 

      Pachymetry

  • 20. 
    One advantage of FDT/Matrix perimeters is that they are better at detecting change in VFs since GLC VF loss gets 'deeper' (less sensitive) as it progresses.
    • A. 

      True

    • B. 

      False

  • 21. 
    What is the minimum number of VFs that should within the 1st 2 years of GLC diagnosis?
    • A. 

      2

    • B. 

      3

    • C. 

      6

    • D. 

      8

  • 22. 
    What is the most common mode of GLC progression?
    • A. 

      VF defect gets denser

    • B. 

      VF defect gets larger

    • C. 

      A new VF defect occurs in same hemifield as previous VF defect

    • D. 

      Improvement in VF

  • 23. 
    Where are paracentral scotomas most likely to appear in early GLC VF loss (in terms of VF, not retina)?
    • A. 

      Superior

    • B. 

      Inferior

    • C. 

      Temporal

    • D. 

      Nasal

  • 24. 
    Nasal steps do NOT cross horizontal midline
    • A. 

      True

    • B. 

      False

  • 25. 
    Which area of the ON is focal damage most likely to occur?
    • A. 

      Superior

    • B. 

      Inferior

    • C. 

      Temporal

    • D. 

      Nasal

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