This article has followed the previous report by A. Hojdarová et al.: Congenital Nystagmus in Otoneurology, and has been trying to ellucidate this boundary problem of the two branches from the view of neuroophthalmology. Here, congenital nystagmus is understood as a distinctive, definitely formed clinical entity, and besides diagnostics, the attention is also paid to therapeutical possibilities demonstrated in two short casereports. The conception of otologists armed especially with electronystagmography, seems to be broader. A closer cooperation of these branches in this field will be undoubtedly beneficial both to them and their common patients.

        Key words: nystagmus – classification, diagnostics, therapy, congenital nystagmus, clinical picture