Nystagmus spectacles Dr. Frenzel, by GIMA , are used to trace pathological nystagmus reaction. llumination can be adjusted through a turn of the switch making nystagmus spectacles the ideal tool in the search of spontaneous or provoked nystagmus.
The nystagmus spectacles Dr. Frenzel has fixed, biconvex lens + 18.0 diopters. The nystagmus spectacles Dr. Frenzel is made of corrosion-proof materials suitable for the enviromental conditions foreseen for its normal use, without requiring special care.
The nystagmus spectacles should be connected only with < 4.2V transformer as from safety norms 93/42/EEC. In order to use nystagmus spectacles an AC/DC trasformer is needed.