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Related Experiment Videos

Neuro-ophthalmic genetics.

J B Kerrison1, I H Maumenee

  • 1Wilmer Eye Institute, Johns Hopkins Center for Hereditary Eye Diseases, Johns Hopkins Hospital, Baltimore, MD 21287, USA.

Current Opinion in Ophthalmology
|November 3, 1997
PubMed
Summary
This summary is machine-generated.

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Genetic mutations in nuclear or mitochondrial DNA can lead to significant neuro-ophthalmic disorders affecting vision and eye movements. Identifying these genetic causes aids in diagnosis and understanding disease variability.

Area of Science:

  • Neuro-ophthalmology
  • Genetics
  • Molecular Biology

Background:

  • Genetic mutations in nuclear and mitochondrial DNA are implicated in various neuro-ophthalmic disorders.
  • These conditions affect critical functions such as the optic nerve and ocular motility.

Purpose of the Study:

  • To review the genetic basis of neuro-ophthalmic disorders.
  • To highlight the role of genetic identification in disease classification, diagnosis, and understanding disease expression.

Main Methods:

  • Literature review of genetic mutations causing neuro-ophthalmic conditions.
  • Analysis of identified genetic loci, genes, and specific mutations.

Main Results:

  • Specific examples of genetic optic neuropathies (Leber's hereditary optic neuropathy, Kjer-type optic atrophy) and ocular motility disorders (congenital nystagmus, progressive external ophthalmoplegia, oculopharyngeal muscular dystrophy) are discussed.

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  • Genetic identification facilitates more accurate disease classification and diagnosis.

    • Conclusions:

    • Genetic mutations are a significant cause of neuro-ophthalmic disorders.
    • Advances in genetic identification are crucial for improving diagnosis and understanding disease mechanisms, including expression and penetrance.