Published Academic Articles

Recent research confirms the effectiveness of binocular vision dysfunction (BVD) assessments and treatments. Studies published in 2020 validate the BVDQ™ screening tool and show that prism lenses reduce headaches, dizziness, and anxiety—especially in patients with Vertical Heterophoria and traumatic brain injury.

Published Academic Articles

Published Academic Articles

Below is a collection of some of our published articles detailing the positive effect of the use of prismatic lenses in the relief of the typical symptoms caused by Binocular Vision Dysfunction (Vertical Heterophoria).













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