Hereditary choroidal dystrophy digital illustration

Hereditary choroidal dystrophy Save


ICD-10 code: H31.2

Chapter: Diseases of the eye and adnexia

Understanding Hereditary Choroidal Dystrophy: Causes, Symptoms, and Treatment

Hereditary choroidal dystrophy, also known as choroideremia, is a rare genetic disorder that affects the retina of the eye. This condition is caused by a mutation in the CHM gene, which is responsible for producing a protein called REP-1. This protein plays a crucial role in the function of cells in the retina, and its absence can lead to progressive vision loss over time.

Hereditary choroidal dystrophy is a condition that is passed down through families in an X-linked recessive pattern. This means that the gene mutation is located on the X chromosome, and males are more likely to be affected than females. Symptoms of this condition typically appear in childhood or early adulthood, and may include night blindness, decreased peripheral vision, and difficulty seeing in low light conditions.

Diagnosing Hereditary Choroidal Dystrophy

If you or a loved one are experiencing symptoms of hereditary choroidal dystrophy, it is important to see an eye doctor for a comprehensive eye exam. During this exam, your doctor may perform tests such as a visual field test, electroretinogram, and optical coherence tomography to evaluate the health of your retina and determine if there are any signs of choroideremia.

Genetic testing may also be recommended to confirm a diagnosis of hereditary choroidal dystrophy. This testing involves analyzing a blood or saliva sample to check for mutations in the CHM gene.

Treatment Options for Hereditary Choroidal Dystrophy

Currently, there is no cure for hereditary choroidal dystrophy. However, there are treatment options available that can help slow the progression of vision loss and improve quality of life for those with this condition.

  • Low vision aids: Devices such as magnifiers, telescopes, and electronic reading aids can help people with hereditary choroidal dystrophy make the most of their remaining vision.
  • Gene therapy: Researchers are currently exploring the use of gene therapy to treat hereditary choroidal dystrophy. This involves replacing the defective CHM gene with a healthy gene to restore the function of the retina cells.
  • Clinical trials: There are currently several clinical trials underway to test new treatments for hereditary choroidal dystrophy. These trials may involve medications, gene therapies, or other experimental treatments.
  • Conclusion

    Hereditary choroidal dystrophy is a rare genetic disorder that can cause progressive vision loss over time. If you or a loved one are experiencing symptoms of this condition, it is important to see an eye doctor for an evaluation. While there is currently no cure for hereditary choroidal dystrophy, there are treatment options available that can