Lens iii 21.04.16 - 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