Shagufta Naz, Saima Sharif, Hafsa Badar, Farzana Rashid, Afshan Kaleem, Mehwish Iqtedar.
Incidence of environmental and genetic factors causing congenital cataract in Children of Lahore.
J Pak Med Assoc Jan ;66(7):819-22.

Objective: To check the incidence of environmental and genetic factors causing congenital cataract in infants. Methods: The descriptive study was conducted at Layton Rahmatullah Benevolent Trust, Lahore, Pakistan, from October 2013 to April 2014, and comprised children under 15 years of age who had rubella syndrome, herpes simplex, birth trauma, trisomy 21, Nance-Horan syndrome or Lowe's syndrome. Results: Of the 38,000 cases examined, 120(0.3%) patients were diagnosed with congenital cataract. Of them, 52(43.33%)were aged between 2 and 5 years,22(18.33%) <11 years and 10(8.33%) ?15 years. Bilateral congenital cataract was observed in 91(75.83%) patients and unilateral congenital cataract in 29(24.17%). Environmental factors caused 72(62.07%) cases and genetic factors caused 44(37.93%). Conclusion: Congenital cataract predominated in boys compared to girls. Early diagnosis and adequate therapy requires specific technology, as well as long-term and permanent care.

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