PHRD5985 Pharmacotherapy Lecture 16 - Eye pathophysiology

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daynuhmay
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273418
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PHRD5985 Pharmacotherapy Lecture 16 - Eye pathophysiology
Updated:
2014-05-15 08:18:06
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eye
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eye
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  1. what produces aqueous humor
    epithelium of ciliary body
  2. location of redness of the eye in conjunctivitis
    in the periphery, away from the cornea
  3. form of conjunctivitis in which itching occurs most often
    allergic conjunctivitis
  4. differentiating sx of allergic conjunctivitis
    • bilateral
    • itching
  5. 2 main causes of bacterial conjuntivitis
    • S. aureus
    • H. influenzae
  6. differentiating sx of bacterial conjunctivitis
    • sticky eyelids
    • purulent discharge
    • peeling of skin @ lid margins
  7. type I herpes simplex
    "above the waist" herpes - typically occurs in adults
  8. duration of bacterial conjunctivitis
    3-5d
  9. duration of viral conjunctivitis
    7-14d
  10. distinguishing sx of viral conjunctivitis
    • unilateral
    • ipsilateral preauricular lymphadenopathy (inflamed lymph node in front of ear)
  11. distinguishing sx of iritis
    • eye pain
    • pupil constriction
    • reddening near cornea
    • sensitivity to light 
  12. characterizations of glaucoma (2)
    • IOP > 21-24mmHg
    • vascular dysregulation
  13. what increased IOP is usually caused by
    interference w/ aqueous humor outflow from anterior chamber
  14. cause of narrow-angle glaucoma
    iris occlusion of trabecular meshwork
  15. sx of ACAG intermittent episode
    • ocular pain
    • blurred vision
    • haloes around lights
  16. possible cause of open-angle glaucoma
    abnormality of trabecular meshwork
  17. mutated protein assoc'd w/ POAG
    myocillin
  18. glaucoma risk factors (6)
    • age 40+
    • family hx
    • T2DM
    • myopia
    • African-American
    • HTN
  19. sx of repeated/prolonged ACAG episodes
    • reddening of eyes
    • hazy cornea
    • blurred vision
    • unilateral halo

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