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Related Experiment Videos

Hereditary microphthalmia with colobomatous cyst.

Y Porges1, R Gershoni-Baruch, R Leibu

  • 1Department of Ophthalmology, Rambam Medical Center, Haifa, Israel.

American Journal of Ophthalmology
|July 15, 1992
PubMed
Summary

Microphthalmia with ocular lesions, a rare genetic condition, was studied in a family. This condition was inherited as an autosomal recessive trait, and prenatal diagnosis was successful using ultrasonography.

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Area of Science:

  • Ophthalmology
  • Medical Genetics
  • Human Genetics

Background:

  • Ocular developmental abnormalities can lead to significant vision impairment.
  • Microphthalmia, characterized by abnormally small eyes, can be associated with other ocular malformations.
  • Genetic factors play a crucial role in the etiology of congenital eye disorders.

Observation:

  • A highly inbred kindred with five affected members presented with isolated microphthalmia.
  • Affected individuals exhibited colobomatous cysts and diverse ocular lesions.
  • The parents were consanguineous (first cousins) and phenotypically unaffected.

Findings:

  • Microphthalmia in this family followed an autosomal recessive inheritance pattern.
  • Genetic analysis confirmed a recessive mode of transmission for the observed ocular phenotype.

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  • Ultrasonography proved effective for prenatal diagnosis in at-risk pregnancies.

    • Implications:

    • Understanding the genetic basis of microphthalmia aids in genetic counseling for affected families.
    • Early prenatal diagnosis allows for timely intervention and management planning.
    • This study contributes to the knowledge of rare genetic eye diseases and their inheritance patterns.