Visual Snow

"High Quality Content by WIKIPEDIA articles! Visual snow is a transitory or persisting visual symptom where people see snow or television-like static in parts or the whole of their visual fields, especially against dark backgrounds. The severity or density of the ""snow"" differs from one person to the next; in some circumstances, it can inhibit a person's daily life, making it difficult to read, see in detail and focus correctly. There are different causes for visual snow, i.e., visual snow is a non-specific symptom. Therefore, each subject with a leading complaint of visual snow needs a full diagnostic work-up including ophthalmic, neurological and psychiatric examinations as well as an MRI scan of the brain."