S.C.E.N.A.R. DEVICES REGISTERED WITH ISTA

After lengthy discussions with manufacturers, ISTA has concluded that until objective measurement and outcome protocols can be (and have been) agreed, it will not be in a position to register any Scenar devices.

Those seeking to acquire a Scenar device are strongly urged to conduct thorough research before deciding on which one to get.

A good starting point is the following article - ikessayonscenar

Debates around this issue periodically take place in open forum, reading up past exchanges can be helpful - scenar_ista