This means that prism spectacles can’t get rid of double vision in every eye position. Meanwhile, as your sixth nerve palsy improves, the power of the prism can be decreased.

They can help reverse the outward eye movement of exophoria and lessen eye strain. Prism lenses ease symptoms, but they don't fully fix exophoria.

Rokid has made smart glasses for a few years, but it has mostly focused on prism-based projection systems. On display at CES, the new Rokid Glasses differ from the excellent Rokid Max 2 ($449 ...