What are the causes of congenital cataract?

What is the cause of cataracts in children?

Cataracts may be present at birth or develop during childhood. Some cataracts are caused by abnormal lens development during pregnancy. Others result from genetic or metabolic problems, or infections. Cataracts can also happen spontaneously without a known cause.

Which is the most common type of congenital cataract?

Congenital and Juvenile Cataracts

Trisomy 21, or Down syndrome, is the most common autosomal trisomy, with an incidence of 1 per 800 births. Systemic features include mental retardation, stunted growth, mongoloid facies, and congenital heart defects.

When do congenital cataracts develop?

Some babies are born with cataracts and some develop them in the first six months of their lives. When a baby is born with a cataract it is called a “congenital cataract”. If a cataract develops in the first six months of life it is known as an “infantile cataract”.

How common are congenital cataracts?

Congenital cataract are one of the most common treatable causes of visual impairment and blindness during infancy, with an estimated prevalence of 1 to 6 cases per 10,000 live births.

How is congenital cataract diagnosed?

To diagnose congenital cataract, the infant should have a complete eye exam by an ophthalmologist. The infant may also need to be examined by a pediatrician who is experienced in treating inherited disorders. Blood tests or x-rays may also be needed.

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Can pregnancy cause cataracts?

This study suggests that childbirth may be an important risk factor for cataract in mothers, and that having more than three babies increases the risk of cataract substantially in the study population.

Are congenital cataracts rare?

Congenital cataracts are rare in babies, but cataracts can happen at any age. They’re more common in adults age 50 and older. Cataracts are the leading cause of vision loss in the United States, but they can be treated with surgery.