ICM: Test 2

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Author:
BrookeNH10
ID:
180675
Filename:
ICM: Test 2
Updated:
2012-10-29 20:25:28
Tags:
Opthamology
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Description:
Opthamology
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  1. Penetrating Keratoplasty = Corneal Transplant
    • Cornea is avascular and has one of the bodies highest densities of nerve endings.
    • No HLA or ABO blood-typing is necessary for a corneal transplant.
  2. Leading cause of preventable blindness in US, 2nd leading cause of blindness.
    Highest among?
    • Glaucoma
    • African Americans
  3. Fovea is different from rest of retina because it contains a very high concentration of _____
    cones
  4. Only area of the retina capable of 20/20 vision
    Fovea
  5. Posterior Vitreous Detachment
    Vitreous gel liqeufies with age and eventually falls awway or separates from teh retina (normal event that occurs between 40-70)
  6. PVD produces a
    floater
  7. Retinal Detachment:
    Due to a retinal break or tear that allows the liquid vitreous that fills the center of the eye ball to pass through the break and detach the retina.
    Rhegmatogenous Retinal Detachment
  8. Most common type of retinal detachment
    Rhegmatogenous Retinal Detachment
  9. Retinal detachment due to leakage from under the retina which crease fluid (exudate) that detaches the retina. 
    Exudative Retinal Detachment
  10. 2 things that can cause exudative retinal detachment:
    • Tumors
    • inflammatory disorders
  11. Due to pulling on the retina usually from fibro-vascular tissue within the vitreous cavity.
    Tractional retinal detachments
  12. Common cause of tractional retnal detachment?
    Proliferative diabetic retinopathy
  13. 2 types of age related macular degeneration
    • Wet:  Irreversible vision loss
    • Dry (most common):  Drusen, visual acuity not drastically affected
  14. Treat macular degeneration with
    Lucentis/Avastatin (anti-VEGF)
  15. Amblyopia
    • Lazy eye
    • Not due to any eye disease, brain does not fully acknowledge the images seen by the amblyopic eye.
    • Reduced vision is NOT correctable by glasses or contact lenses
    • Can treat between the ages of 2 and 6
  16. CNs in the Cavernous Sinus
    3, 4, 5, 6
  17. Head-posturing is a sign of
    diplopia
  18. Anisocoria
    Unequal pupil size
  19. Adie's Tonic Pupil
    Peripheral neuropathy of ciliar ganglion
  20. Cocaine confirms
    Horner's Syndrome
  21. Adie's Pupil confirm with
    Pilocarpine
  22. 3rd Nerve Palsy
    Pupil-involving aneurysm until proven otherwise.

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