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
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.
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.
- 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.