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Letters
February 2013

ω-3 Intake in Patients With Retinitis Pigmentosa Receiving Vitamin A

Author Affiliations

Author Affiliations: Division of Ophthalmology, Department of Clinical Neurosciences, Geneva University Hospitals, Geneva, Switzerland (Dr Richoz). Dr Seigel is retired.

JAMA Ophthalmol. 2013;131(2):267-268. doi:10.1001/jamaophthalmol.2013.590

Berson and colleagues1 claim that visual acuity loss is slower in adults with retinitis pigmentosa receiving vitamin A who also consume a diet rich in ω-3 fatty acids. They previously reported findings of a clinical trial of nutritional supplementation for patients with retinitis pigmentosa.2 They were criticized in 2 subsequent publications3,4 for overstating the strength of evidence for their clinical recommendations. The same can be said for this article.

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