SourceAmerican Journal of Ophthalmology, 159, 5, (2015), pp. 964-72.e2
Article / Letter to editor
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American Journal of Ophthalmology
SubjectRadboudumc 0: Other Research DCMN: Donders Center for Medical Neuroscience; Radboudumc 12: Sensory disorders RIHS: Radboud Institute for Health Sciences
PURPOSE: To investigate whether long-term protection from light exposure affects the rate of disease progression in patients with autosomal recessive Stargardt disease (STGD1), measured using fundus autofluorescence imaging. DESIGN: Longitudinal, retrospective, interventional case series. METHODS: Five patients with Stargardt disease protected 1 eye from light exposure by applying a black contact lens during waking hours for >/=12 months. Disease progression was followed by performing autofluorescence imaging at semi-regular intervals. Longitudinal changes in autofluorescence were studied by evaluating areas of decreased autofluorescence and areas of increased autofluorescence as a measure of retinal pigment epithelium damage and lipofuscin accumulation, respectively. RESULTS: We observed less progression of decreased autofluorescence in 4 out of 5 light-protected eyes relative to their respective nonprotected eyes. The progression of increased autofluorescence, on the other hand, was highly variable and did not respond consistently to treatment. CONCLUSIONS: Areas of decreased autofluorescence may serve as a useful biomarker for measuring the progression of Stargardt disease. The reduced progression of decreased autofluorescence in the light-protected eyes suggests that light deprivation might be beneficial in patients with Stargardt disease.
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- Faculty of Medical Sciences 
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