Herbhealth : Home - Iridologist - E.F. van der Lith (PhD) +27 12 335 0273; Franzina Street 300, Eloffsdal, Pretoria
Voll developed is system of electro dermal testing which he called Electro-acupuncture according to Voll (EAV) during 1953. EVA involved measuring electrical parameters at acupuncture points. These electrical parameters were analyzed and then acupuncture treatment was applied.