Visual snow syndrome is a rare condition that causes a continuous visual disturbance that occupies the whole visual field. The syndrome is characterized by visual static, which appears as tiny ...

Have you ever felt a sudden flash of light in your vision or noticed zigzagging lines? This may occur before a severe headache, which could indicate migraines. Migraine symptoms can be different for ...

Ocular migraine is a term used to describe a neurological condition that causes head pain and visual changes, including retinal migraine (vision loss in one eye) and migraine with aura (visual ...

Many of us are familiar with eye 'floaters' or see odd dots or specks from time to time (ever stood up too quickly and been greeted by a load of silver sparkles? yeah, that) but what about if your ...

If you’ve ever seen shimmery spots or flashing lights, or worse, experienced blind spots, you know that random visual disturbances can be mega creepy as far as health symptoms go. When spotty vision ...

Hallucinogen persisting perception disorder (HPPD) is a rare medical condition that can cause visual disturbances (sometimes called flashbacks) if you’ve taken hallucinogenic drugs in the past. With ...