Sunday, October 28, 2007

Congenital Cataract


Congenital & Infantile Cataract
Prof. Naimatullah Khan Kundi
Khyber Teaching Hospital
Peshawar
Congenital & Infantile Cataract
Congenital Cataract
When lens opacities that present at birth
Infantile Cataract
Lens opacities that develop during 1st yr of life
Fairly common (1 in 2000 live birth)
UL / BL
Congenital & Infantile Cataract
Classification
Morphology
Presumed aetiology
Metabolic disorders
Associated ocular anomalies
Systemic disorders
Congenital & Infantile Cataract
In General
1/3 of cataracts associated with other syndromes
1/3 occurs as inherited trait
1/3 undetermined causes
Polar
Sutural
Nuclear
Capsular
Lamellar
Complete
Membranous
Polar
These lens opacities involve
sub capsular cortex
lens capsule
Anterior and posterior Polar
Anterior Polar:
BL, Small, Symmetric, Non progressive
autosomal dominant (frequently)
Less effects on vision
Sometimes associated with other ocular anomalies like:
Micro-ophthalmos
Persistent pupillary membrane
Anterior lenticonus

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