Norrie Disease is a rare genetic disorder that affects the development of the eyes and ears. It is characterized by the absence of the normal development of the retina, which can lead to blindness, and the absence of the normal development of the cochlea, which can lead to hearing loss. It is caused by mutations in the NDP gene.

The most common symptoms of Norrie Disease include:

-Hearing loss at birth or shortly after
-Developmental delay
-Seizures
-Cataracts
-Abnormal eye movements
-Abnormalities of the retina
-Abnormalities of the brain
-Abnormalities of the facial features
-Abnormalities of the hands and feet
-Abnormalities of the genitals
-Abnormalities of the urinary tract
-Abnormalities of the heart and blood vessels
-Abnormalities of the skeleton
-Abnormalities of the skin

Norrie Disease is a rare genetic disorder caused by mutations in the NDP gene. It is inherited in an X-linked recessive pattern, which means that it is passed from mother to son. The exact cause of the mutation is unknown, but it is believed to be related to a defect in the development of the eye.

Norrie Disease is a rare genetic disorder that affects the eyes and ears. There is currently no cure for Norrie Disease, but treatments are available to help manage the symptoms. These treatments may include:

• Surgery to correct any vision problems

• Hearing aids to improve hearing

• Speech therapy to help with communication

• Physical therapy to help with coordination and balance

• Occupational therapy to help with daily activities

• Genetic counseling to help families understand the disorder and its implications

• Special education services to help children with learning disabilities

• Support groups to provide emotional support for families

The exact cause of Norrie Disease is unknown, but it is believed to be an inherited genetic disorder. The risk factors for Norrie Disease include:

1. Family history: Norrie Disease is an inherited genetic disorder, so having a family history of the disorder increases the risk of developing it.

2. Gender: Norrie Disease is more common in males than females.

3. Ethnicity: Norrie Disease is more common in people of Ashkenazi Jewish descent.

At this time, there is no cure for Norrie Disease. However, there are medications that can help manage the symptoms. These include corticosteroids, anticonvulsants, and other medications to help with vision and hearing loss. Additionally, physical and occupational therapy can help with motor skills and other developmental delays.