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What is photopsia?

Published in Eye Health 2 mins read

Photopsia is the perception of flashes of light in your vision, even when there is no external light source. These flashes can appear as sparks, zigzags, bright dots, or shimmering bands of light. They are usually caused by a condition affecting the eye, optic nerve, or even the brain.

Common Causes of Photopsia:

  • Posterior vitreous detachment (PVD): This is the most common cause of photopsia. As we age, the vitreous humor (the jelly-like substance that fills the eye) can detach from the retina, causing flashes of light.
  • Migraine with aura: Some people who experience migraine headaches also have photopsia as part of the aura.
  • Retinal tears or detachment: These are serious conditions that can lead to vision loss if left untreated. Photopsia is a symptom that can indicate a retinal tear or detachment.
  • Other conditions: Photopsia can also be caused by a variety of other conditions, such as diabetes, hypertension, and certain medications.

If you experience photopsia, it is important to see an eye doctor to determine the cause. Depending on the underlying condition, there may be treatment options available.