2024年10月22日 · Photopsia is a visual phenomenon that causes a person to see floaters, flashes, or flickering lights. These visual disturbances can affect one or both eyes. It’s common to “ see stars ”—flashes of light caused by photopsia—every so often.

A photopsia is a visual disturbance, a flash of light that happens without a light source. You may see sparkles or shapes like lightning bolts. It can be nothing, or it can be a symptom of another condition.

Photopsia is the presence of perceived flashes of light in the field of vision. It is most commonly associated with: [4] Vitreous shrinkage or liquefaction, which is the most common cause of photopsia, causes a pull in vitreoretinal attachments, irritating the retina and causing it to discharge electrical impulses.

2025年1月7日 · Photopsia is a symptom of several medical conditions that affect the structures inside the eye, the optic nerve, and even the brain. If symptoms get worse or appear suddenly, get emergency medical attention.

2024年6月2日 · Photopsia describes a visual disturbance commonly referred to as "seeing stars." It can occur when temporary pressure is placed on the retina of the eye (such as when you sneeze hard), causing momentary flashes of light in the absence of a light source.

2018年11月9日 · Photopsias are a symptom of health conditions that affect the eye, including a detached retina and age-related macular degeneration. You may need prompt treatment by an eye doctor....

2023年5月30日 · The medical term for seeing stars is photopsia. What Is Photopsia? This condition can be one of many symptoms that indicate various health problems, including a concussion or an eye structure...

2021年2月8日 · Seeing flashing lights in the eyes (photopsia) is a symptom of various conditions, some of which may be hard to diagnose. Photopsia may appear suddenly and intermittently as flashes, zigzags, dots or pinpoints of white light in your eyes.

A photopsia is defined as “the perception of light (luminous rays or flashes) that is purely subjective and accompanies a pathologic condition, especially of the retina or brain.” 1 An extensive search of the National Library of Medicine database of 24 million medical articles revealed reports dealing with specific causes of photopsias ...

2024年12月18日 · Flashes of light in the eye often appear and fade quickly and can appear more frequently as you age. Learn about causes and treatments for photopsia.