Lens iii 13.04.17 - dr.n.swathi
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Transcript of Lens iii 13.04.17 - dr.n.swathi
LENS - IIIDr.Swathi.NMGMC & RI
Objectives:
• Types of cataract surgeries
• Steps of extra capsular cataract extraction
• Intra-operative complications of cataract surgery
• Post operative complications of cataract surgery
Intra Capsular cataract extraction
Extra Capsular Cataract Extraction
• Coventional
• Small incision cataract section
• Phacoemmulsification
Complications
Pre operative
• Anxiety
• Allergic conjunctivitis
• Infective conjunctivitis
Due to local anesthesia
Retrobulbar hemorrhage
• Occulocardiac reflex
• Intra cranial spread of anesthetic
Intra operative
SR laceration
Sub conjunctival hemorrhage
Wound related complications : irregular woundThin scleral flapButton holing of scleral flapPremature entry
Descemet’s stripping
Damage to:•Endothelium•Iris•Posterior capsular rent•Zonular dialysis
Early post operative complications
wound leak, ciliary / choroidal detachment, pupillary block glaucoma, malignant glaucoma
Iris prolapse
Shallow AC
Striate keratitis
Retained cortex in AC
UGH syndrome
Late post operative complications
Pseudophakic bullous keratopathy
Cystoid macular edema
PCO
Astigmatism
Late endophthalmitis
• 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
Suggested reading :
• Types of Intra ocular lens – including recent advances
• Principle of phacoemmulsification