Step2 Ophtho

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Author:
gm1147
ID:
163112
Filename:
Step2 Ophtho
Updated:
2012-07-19 12:51:16
Tags:
Step2 Ophtho Optho
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Description:
Kaplan
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  1. Red eye ddx
    • Conjunctivitis
    • Uveitis
    • Glaucoma
    • Abrasion
  2. Uveitis
    -presentation
    -dx
    -tx
    • Assoc with autoimmune diseases
    • Photophobia
    • Dx by slit lamp
    • Tx with topical steroids
  3. Abrasion dx
    fluorescein stain
  4. Chronic glaucoma tx
    • Prostaglandin analogues - latanoprost, travoprost, bimatoprost
    • Topical bblockers- timolol, carteolol, metipranolol, betaxolol, levobunolol
    • Topical carbonic anhydrase inh - dorzolamide, brinzolamide
    • Alpha2 agonists - apraclonidine
    • Pilocarpine
    • Laser trabeculoplasty
  5. Acute angle glaucoma
     presentation
    dx
    tx
    • Sudden, pain, red, hard, nonreactive pupil, dilation is painful, large cup to disc ratio (>0.3)
    • Confirm with tonometry
    • IV acetazolamide, IV mannitol, pilocarpine and bblockers (constrict and inc drainage) iridotomy
  6. Diabetic retinopathy
    most accurate test
    tx
    • fluorescein angiography
    • laser photocoagulation, VEGF injections, vitrectomy for obstructions of vision
  7. Retinal occulsions
    • Artery: dark (cherry red) macula and pale retina. Tx with 100% O2, acetazolamide and thrombolytics
    • Vein: extravasation of blood into retina
  8. Macular degeneration
    types
    presentation
    • Dry/Atrophic: no tx
    • Wet/neovascular: rapid, severe, btw retina and bruch membrane, 90% of the blindness. Tx with VEGF inh (ranibizumab and bevacizumab)
    • Bilateral, loss of central

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