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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 disorder of muscle movement and coordination caused by an injury to a child's brain that occurs before birth or during infancy. It affects the part of the brain that controls body movement. Othe...

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Tay-Sachs Disease

Tay-Sachs is a disease of the central nervous system; it is a neurodegenerative disorder. Tay-Sachs most commonly affects infants. In infants, it is a progressive disease that is unfortunately always fatal. Rarely...

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As Rare as it Gets: Chediak Higashi Syndrome

Chediak-Higashi syndrome (CHS) is an extremely rare form of partial albinism that is accompanied by problems in the immune and nervous systems. Albinism is a lack of color in the skin, hair, and eyes. This specific typ...

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Basal Cell Nevus Syndrome

Basal cell nevus syndrome is a group of defects caused by a rare genetic condition that can cause tumors in the jaw.

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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.