研究目的
To evaluate the clinical phenotype of autosomal recessive NR2E3-related retinal dystrophy.
研究成果
The study identified novel clinical features such as bull's eye maculopathy, subretinal drusenoid deposits, and foveal hypoplasia in autosomal recessive NR2E3-related retinal dystrophy, confirming phenotypic variability and supporting NR2E3's role in retinal development. These findings aid in diagnosis and understanding of disease progression.
研究不足
Retrospective design may introduce selection bias; small sample size of 11 patients limits generalizability; lack of longitudinal data for all patients; some imaging modalities not available for all cases.
1:Experimental Design and Method Selection:
Retrospective study of patients with NR2E3 mutations, using comprehensive ophthalmological examinations including fundus photography, optical coherence tomography (OCT), electrophysiological testing, and visual field assessments.
2:Sample Selection and Data Sources:
11 patients from the Regional Reference Center for Hereditary Retinal Degenerations in Florence, selected based on genetic confirmation of at least two NR2E3 mutations.
3:List of Experimental Equipment and Materials:
Fundus camera (FF450 Retinograph, Carl Zeiss Meditec), ultra-wide-field confocal scanning laser imaging (Optos Daytona), fundus autofluorescence (FAF) devices (Daytona and Spectralis HRA OCT, Heidelberg Engineering), OCT devices (Cirrus HD-OCT, Carl Zeiss Meditec; SS-OCT DRI OCT-1, Topcon), electroretinography (Retimax, CSO), and genetic analysis tools.
4:Experimental Procedures and Operational Workflow:
Patients underwent dilated fundoscopy, imaging, and electrophysiological tests following standard protocols; genetic testing was performed with informed consent.
5:Data Analysis Methods:
Clinical findings were summarized and analyzed descriptively, with imaging and test results reviewed for abnormalities.
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FF450 Retinograph
FF450
Carl Zeiss Meditec
Fundus photography with a 45° field of vision centered on the macula.
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Cirrus HD-OCT
Cirrus HD
Carl Zeiss Meditec
Optical coherence tomography for retinal imaging.
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Optos Daytona
Daytona
Optos
Ultra-wide-field confocal scanning laser imaging for fundus examination.
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Spectralis HRA OCT
Spectralis HRA
Heidelberg Engineering
Fundus autofluorescence and optical coherence tomography imaging.
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DRI OCT-1
DRI OCT-1
Topcon
Swept-source optical coherence tomography for high-resolution imaging, including OCT-angiography.
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Retimax
Retimax
CSO
Full field-standard electroretinography for electrophysiological testing according to ISCEV guidelines.
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