Please register your purchase and receive our free guide on the Interpretation of Subjective Visual Vertical and the Ocular Tilt Reaction.
We’ll also keep you updated on product updates and other information on neurology that you might find interesting. We will usually only be in touch every month or so at most and you can unsubscribe at any time.
>> Click here to register your purchase.<< We value your privacy.
The Easy, Accurate and Low-Cost way to measure
subjective visual vertical in your patients
“a simple, quick, and useful method for detecting PVL (Peripheral Vestibular Lesions) in pediatric patients in the clinic setting.”
J.R. Brodsky, et al., Peripheral vestibular loss detected in pediatric patients using a smartphone-based test of the subjective visual vertical, Int. J. Pediatr. Otorhinolaryngol. (2015)
Also used in F. Gandor, D. Basta, D. Gruber, W. Poewe, and G. Ebersbach, “Subjective Visual Vertical in PD Patients with Lateral Trunk Flexion,” Parkinson’s Disease, vol. 2016, Article ID 7489105, 4 pages, 2016.
"I would like to commend you for developing such a fantastic application...this application provides an invaluable “bedside” evaluation tool. As I am sure you aware previously such an assessment was only available through costly and inaccessible diagnostic laboratories."
Dr. Daniel Lane, BSc (Chiro) DC (UK) DACNB FFAAFN
"Visual vertical" ★★★★★
"Quick n easy, brilliant"
Baiju italia (Italy) (posted in iTunes)
"great tool" ★★★★★
"This is a great app- simple to use and easy to track. I will add this to my exam along with OPK+ and Tremor Tracer apps. Thanks!"
Nancy DC (USA) (posted in iTunes)