Scotopic sensitivity in dyslexia and requirements for DHA supplementation.

Lancet · 2000

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Abstract

Much interest is shown in reduced scotopic sensitivity in dyslexia and the possible role of docosahexaenoic-acid deficiency as a causative factor. However, we found that significant decreases in scotopic sensitivity are not a general characteristic of dyslexia, which may cast doubt on the value of DHA supplementation.