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—We agree with Dr Beck that the diagnosis of optic nerve head drusen is most often easy with ophthalmoscopy. However, in some instances, the diagnosis may be difficult, even with the help of fluorescein angiography. In these cases, CT is helpful by showing typical calcifications and eliminating a cerebral tumor or optic nerve compression; this is of particular interest in patients with visual field alterations often associated with optic disc drusen.To our knowledge, the CT appearance of optic disc drusen is not well known and was poorly described until now. The goal of our article was to specify this appearance and stress the benefit of high-resolution CT scanner because of the small size of drusen.
Bec P, Adam P, Mathis A, Alberge Y, Roulleau J, Arne JL. Optic Nerve Head Drusen-Reply. Arch Ophthalmol. 1984;102(10):1424. doi:10.1001/archopht.1984.01040031154002