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 ...

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 ...

The human eye represents one of the body’s most complex and revealing organs, providing not only the gift of sight but also functioning as an early warning system for numerous health conditions. The ...

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 ...

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 ...

When my son had strange visual disturbances, I learned he had AIWS, a rare but temporary condition. Here's my family's experience and what experts have to say. Alice in Wonderland syndrome causes ...