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26 Cards in this Set
- Front
- Back
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Pars Plana = flattened back portion of CB, ___mm behind limbus
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4mm
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Pars plana vitrectomy: Why can't you approach from the front or back?
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damage zonules/lens,
damage choroid/retina |
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3incision for pars plana vitrectomy
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1)One for light source
2)One for keeping pressure up 3)One for introducing other instruments |
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4 Major indications for pars plana vitrectomy
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1)Macular Disease (ERM, MH, CNV)
2)Retinal Vascular Dz (PDR, SCR, CRVO, BRVO, NVI) 3)RRD 4)Endophthalmitis |
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Complications (8) from plana vitrectomy
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1)Cornea edema
2)Inflammation 3)Iris Neo 4)Glaucoma 5)Endophthalmitis 6)Choroidal Detachment 7)Retinal 8)Cataract |
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When unable to view the fundus, don't assume ___. In the absence of vitreal hem, you should be able to view ___.
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RD
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____ is often mistaken as a RD
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premacular heme
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What are two criterion for surgery ERM?
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1)Symptoms not VA
2)Non-progressive |
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EMM surgey: ___, ___, ___
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PPV, FMP (forceps membrane peel), ILM peel
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Medications for EMM surgery
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3-4 days of vigamox w/ omnipred for 3 weeks
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Meds for Macular Hole Sx
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no post-op steroids; rather have slight inflammation
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Silicone pts- meds
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keep them on topical steroids indefinitely
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Watzke's sign
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Macular hole-
slit of light across the macula and ask pt if there is a break in the column of light |
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If pt. gets a gas bubble, it can cause a gas _____
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cataract
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If gas bubble is larger than ___% of the vitreous cavity, they can't fly or get gassed by DDS
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50%
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Urgent referral for ___ and ___
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NVI and RRD
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T/F Avastin will help current hemes resolve
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False
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T/F Avastin is a fast acting medicine. As it dries, it shrinks and can lead to TD (w/in a week)
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True
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Rhegmatogenous retinal detachment
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presence of a hole, tear, break in the retina that allows fluid to pass from the vitreous space into subretinal space between sensory retina and RPE
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If transudates (inflammation rxn) are present, ______
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know RD has been there a whiile!
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Vision can be restored to some degree up to ___ days after macular detaches.
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7 days
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Pneumatic means to
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inject an expanding gas to push retina back
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Why does perfluorooctane work on inferior RRD?
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because it is heavier than water; lighter gases work only on superior half RRD
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T/F PFO when left in the eye for repair of inferior RD does not have to be removed
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False; must be remvoed by second/planned vitrectomy
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What is silicone oil used for?
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difficult RRDs, PVR
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Endophthalmitis: immediately tap and inject ___, ___, and ___
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vancomycin, ceftazidime, dexasmethasone
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