Mental retardation, Visual impairment: 5 Possible Causes
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What causes mental retardation and visual impairment? 5 possible conditions

See a list of possible causes in order from the most common to the least.



Hydrocephalus is a condition that occurs when fluid builds up in the skull and causes the brain to swell. The name literally means "water on the brain."

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Cerebral Palsy

Cerebral palsy is a group of disorders that affect muscle movement and coordination. Learn about the causes, types, symptoms, and treatment of cerebral palsy.

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Tay-Sachs Disease

Tay-Sachs disease is a neurodegenerative disorder most commonly found in infants. Learn more about this rare disease.

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As Rare as it Gets: Chediak Higashi Syndrome

Chediak-Higashi Syndrome is a rare type of albinism that causes problems with your vision. Learn about the different types and possible symptoms.

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Basal Cell Nevus Syndrome

Basal cell nevus syndrome is a group of defects caused by a rare genetic condition. Learn about the symptoms and treatments for basal cell nevus syndrome.

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This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.