CLASSIFICATION OF CATARACT

It is classified as congenital and acquired. 

The acquired causes include age related, secondary to eye disease or systemic disease. 

The systemic diseases include 

• diabetes, 

• atopic dermatitis, 

• neurofibromatosis. 

The eye diseases include 

• uveitis, 

• Glaucomflecken, 

• retinitis pigmentosa.  

Trauma is most common cause in young adults.

Immature cataract: grey to yellow brown color

Mature cataract:  white cataract with no fundus view

Hypermature cataract: anterior surface is wrinkled with white mature cataract

Brunescen cataract: hard brown cataract/black cataract/ nigra cataract

Morgagnian cataract: nucleus sinks down due to liquefaction of cortex

Classification of immature cataract

Nuclear cataract

Posterior subcapsular cataract

Cortical  cataract