Hypovitaminosis - D causes -
Zonular or lamellar cataract is a congenital type Etiology may be either genetic or environmental in origin. Environmental form is associated with: deficiencyof vitamin D hypocalcemia Sometimes maternal rubella infection contracted between 7th and 8th week of gestation may also cause lamellar cataract.
Zonular cataract
Blue - Dot cataract
Rosette cataract
Cupliform cataract
Lens