To the Editor.
—After having read the interesting article entitled "A Clinical Analysis of Pseudopapilledema: I. Population, Laterality, Acuity, Refractive Error, Ophthalmoscopic Characteristics, and Coincident Disease," by Rosenberg et al in the January 1979 issue of the Archives (97:65-70, 1979), I would like to comment on some points of the discussion.I would appreciate knowing whether the authors' disagreement with my suggestions is based on a critical consideration of my investigations or on the results of their own analysis of pseudopapilledema. They point out the lack of statistical calculations that prove the association between optic disc drusen and neurological disorders. Concerning my article,1 it is true that statistical calculations had not been done. However, the presence of neurological signs and symptoms in all four children with optic disc drusen (who were detected in a mass screening of more than 1,000 schoolchildren) is sufficient proof that these neurological findings are