LENS - IIDr.Swathi.NMGMC & RI

Objectives:

• Stages of senile cataract

• Lens induced glaucomas

• Pre-op assessment of cataract

Age related senile cataract – • Cortical; nuclear

• Lamellar separation• Incipient cataract• Immature cataract• Mature cataract

• Intumescent cataract• Hypermaturity – morgagnian ; sclerotic

Senile nuclear sclerosis (yellow pigmented protein

derived from tryptophan)

Symptomatology :

• Asymptomatic• Astigmatism• Second sight / index myopia• Defective vision • Sudden painful loss of vision ???

Lens induced glaucomas

• Phacomorphic glaucoma

• Phacotopic glaucoma

• Phacolytic glaucoma

Phacomorphic glaucoma

Phacotopic glaucoma

Phacolytic glaucoma

Management :

Cataract surgery

Pre operative evaluation :

• Visual acuity & refraction• Intraocular pressure• Patency of NLD• Slit lamp evaluation & LOCS II• Fundus • A – scan; K reading – IOL power calculation• Systemic : diabetes, hypertension

• Types of senile cataract

• Stages of cortical cataract

• Lens induced glaucomas

Suggested reading :

• Management of cataract

• Intra-operative complications of cataract surgery

• Immediate & late post operative complications of cataract surgery