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Genetics and ocular disorders: a focused review.

Hannah L Scanga1, Ken K Nischal1

  • 1UPMC Eye Center, University of Pittsburgh, 200 Lothrop Street, Pittsburgh, PA 15213, USA; Children's Eye Center, Children's Hospital of Pittsburgh of UPMC, 4401 Penn Avenue, Pittsburgh, PA 15224-1334, USA.

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Summary

Accurate genetic phenotyping improves eye condition diagnosis. Understanding genetic testing and utilizing genetic counselors enhances clinical care for inherited retinal diseases and associated conditions.

Keywords:
Eye diseaseGenetic testingGeneticsPediatrics

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Area of Science:

  • Ophthalmology
  • Genetics
  • Pediatrics

Background:

  • Accurate phenotyping is crucial for genetic evaluations in eye conditions.
  • Genetic eye disorders can stem from common cellular defects like ciliopathies or RASopathies.
  • Early-onset retinal dystrophies may indicate co-occurring renal disease.

Purpose of the Study:

  • To highlight the importance of precise phenotyping in genetic eye disease evaluation.
  • To emphasize the connection between genetic testing knowledge and appropriate test selection.
  • To advocate for the integration of genetic counselors in ophthalmic and pediatric settings.

Main Methods:

  • Review of current understanding of genetic eye conditions and their underlying defects.
  • Analysis of the role of genetic testing in diagnosing ocular disorders.
  • Discussion on the impact of genetic counseling on clinical care delivery.

Main Results:

  • Improved phenotyping accuracy directly correlates with enhanced genetic evaluation.
  • Identifying genetic testing limitations aids in selecting the most suitable tests for ocular conditions.
  • Specialized genetic counselors improve patient care in specialized clinics.

Conclusions:

  • Enhanced genetic phenotyping and testing comprehension are vital for diagnosing eye conditions.
  • Integrating genetic counselors into ophthalmic and pediatric care optimizes clinical outcomes.
  • Addressing genetic testing nuances improves the management of inherited eye diseases and related systemic conditions.