Visual disturbances

The vestibule-vision link: about twenty percent of the eye’s capacity is involved in simply maintaining our balance. When balance is poor, that percentage is even higher. In that case, the processing of visual information slows down, since the eyes are even more engaged in maintaining balance. Adaptation from vestibular disorders can be mainly visual or somatosensory, or a combination of these two.  The side effects a patient experiences from visual adaptation (a central compensatory strategy) is a feeling of unease or disequilibrium from certain visual stimuli – flashing lights, objects moving across their visual field or on the sides of their visual field (grocery cart syndrome). Maintaining eye contact may become a problem. This however does not stem from visual adaptation (a central problem), but from nystagmus (a peripheral problem). SCDS patients can sometimes have blurry vision, and oscillopsia.