What is Cortical Visual Impairment (CVI)? CVI refers to a brain condition, not an eye condition and results from damage to the visual systems in the brain that deal with processing and integrating ...

Visual snow syndrome involves flickering dots in your field of vision. It’s unclear what causes it, but experts suspect it has neurological origins. Share on Pinterest Alexander Spatari (street), ...

Have you ever heard voices in your head without anyone actually talking to you? Or did you ever see things that were, in fact, not really there? Psychologists call such an experience, which occurs ...