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Published on: August 5, 2021
Inherited retinal degenerations: clinical phenotypes and emerging therapies
Katherine E Uyhazi1, Erin C O'Neil1, Tomas S Aleman1
1Center for Hereditary Retinal Degenerations, Scheie Eye Institute, Department of Ophthalmology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA; Division of Ophthalmology, Children's Hospital of Philadelphia, Philadelphia, PA, USA.
Inherited retinal degenerations cause progressive vision loss due to genetic factors. This review covers clinical features, disease categories, and emerging treatments like gene therapy for better patient outcomes.
Area of Science:
- Ophthalmology
- Genetics
- Molecular Biology
Background:
- Inherited retinal degenerations (IRDs) encompass a wide spectrum of genetic disorders leading to progressive vision loss.
- Genetic testing reveals significant heterogeneity, with pathogenic variants identified in numerous genes.
- These conditions highlight the complex genetic and cellular processes underlying vision maintenance.
Purpose of the Study:
- To review the clinical presentation and classification of IRDs based on affected retinal cells.
- To summarize novel therapeutic strategies for IRDs.
- To emphasize the importance of early diagnosis and professional care for optimal visual outcomes.
Main Methods:
- Literature review of inherited retinal degenerations.
- Clinical classification based on primary retinal cell type affected.
- Summary of current and emerging treatment modalities.
Main Results:
- IRDs present diverse clinical features and are categorized by the primary retinal cell impacted.
- Novel treatments including gene therapy, cell therapy, optogenetics, and implantable chips show promise.
- Accurate diagnosis through genetic testing is crucial for effective management.
Conclusions:
- Understanding the genetic basis and clinical heterogeneity of IRDs is key.
- Emerging therapies offer new hope for patients with progressive vision loss.
- Timely referral to eye care professionals facilitates early diagnosis and improves visual prognosis.
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