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Which are the symptoms of Norrie Disease?

See the worst symptoms of affected by Norrie Disease here

Norrie Disease symptoms

Norrie Disease:


Norrie Disease, also known as Norrie-Warburg syndrome or NDP-related retinopathies, is a rare genetic disorder that primarily affects the eyes and can lead to varying degrees of vision loss or blindness. It predominantly affects males, as it is an X-linked disorder, meaning the gene mutation responsible for the condition is located on the X chromosome.


Symptoms:


The symptoms of Norrie Disease can vary in severity and may present differently among affected individuals. The most common symptoms include:



  • Progressive vision loss: One of the hallmark symptoms of Norrie Disease is progressive vision loss, which can range from mild to severe. This is due to abnormalities in the retina, the light-sensitive tissue at the back of the eye.

  • Blindness: In some cases, individuals with Norrie Disease may experience complete blindness.

  • White or grayish pupils: Infants with Norrie Disease may have white or grayish pupils, often referred to as leukocoria. This can be noticed shortly after birth and is caused by abnormal development of the retina.

  • Strabismus: Strabismus, or misalignment of the eyes, is another common symptom. It occurs when the muscles that control eye movement do not work together properly, leading to crossed or wandering eyes.

  • Cataracts: Cataracts, a clouding of the lens in the eye, may develop in individuals with Norrie Disease. This can further impair vision and contribute to visual disturbances.

  • Hearing loss: Some individuals with Norrie Disease may also experience varying degrees of hearing loss. This can be due to associated abnormalities in the inner ear.

  • Intellectual disability: In rare cases, individuals with Norrie Disease may have intellectual disability or developmental delays. However, the majority of affected individuals have normal cognitive function.


Other features:


In addition to the primary symptoms mentioned above, Norrie Disease can sometimes be associated with other features, including:



  • Delayed motor development

  • Seizures

  • Behavioral abnormalities

  • Microcephaly (abnormally small head size)

  • Delayed or absent puberty


Treatment and Management:


Currently, there is no cure for Norrie Disease. Treatment primarily focuses on managing the symptoms and providing supportive care. This may involve regular eye examinations, visual aids, educational support, and interventions to address hearing loss if present. Genetic counseling is also recommended for affected individuals and their families to understand the inheritance pattern and potential risks for future pregnancies.


Conclusion:


Norrie Disease is a rare genetic disorder primarily affecting the eyes, leading to progressive vision loss or blindness. It is important for individuals with suspected symptoms to consult with healthcare professionals for accurate diagnosis and appropriate management strategies.


Diseasemaps
2 answers
I don't have Norries, my ex husband does, and my daughters are carriers... but I would say: Ongoing hearing loss, and some issues surrounding circulation. (Both are more of a problem than blindness).

Posted May 22, 2017 by Amanda Gough 800

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Hello my name.is Kim . My son's name is Kyle he is gonna be 21 in 2 weeks and has Norries Syndrome. He is completely blind since birth . He is not currently wearing hearing aides as his hearing has gone down hill the last 2 years . He also has Asperg...

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