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), ...

Visual disturbances interfere with normal sight. Several conditions and disorders may cause the various types of visual disturbances. Some are temporary and can be relieved with treatment. However, ...

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 ...