Greatrex, J.C., Drasdo, N., Dresser, K. (2000) Lancet. 355(9213) 1429-30.
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.