Lens iii 21.04.16 - dr.n.swathi
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Transcript of Lens iii 21.04.16 - dr.n.swathi
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LENS - IIIDr.Swathi.NMGMC & RI
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Objectives:
• Types of cataract surgeries
• Steps of extra capsular cataract extraction
• Intra-operative complications of cataract surgery
• Post operative complications of cataract surgery
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Intra Capsular cataract extraction
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Extra Capsular Cataract Extraction
• Coventional
• Small incision cataract section
• Phacoemmulsification
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Complications
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Pre operative
• Anxiety
• Allergic conjunctivitis
• Infective conjunctivitis
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Due to local anesthesia
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Retrobulbar hemorrhage
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• Occulocardiac reflex
• Intra cranial spread of anesthetic
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Intra operative
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SR laceration
Sub conjunctival hemorrhage
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Wound related complications : irregular woundThin scleral flapButton holing of scleral flapPremature entry
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Descemet’s stripping
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Damage to:•Endothelium•Iris•Posterior capsular rent•Zonular dialysis
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Early post operative complications
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wound leak, ciliary / choroidal detachment, pupillary block glaucoma, malignant glaucoma
Iris prolapse
Shallow AC
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Striate keratitis
Retained cortex in AC
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UGH syndrome
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Late post operative complications
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Pseudophakic bullous keratopathy
Cystoid macular edema
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PCO
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Astigmatism
Late endophthalmitis
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• Enumerate the types of cataract surgeries.• Give advantages of ECCE over ICCE• Enumerate few intra-op complications of
cataract surgery• Enumerate few immediate post operative
complications of cataract surgery• Enumerate few immediate post operative
complications of cataract surgery
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Suggested reading :
• Types of Intra ocular lens – including recent advances
• Principle of phacoemmulsification
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