Flashing Lights in Vision: Causes and Concerns - Ophthalmology

More Info

---

Flashing lights in your vision can be a concerning symptom, and it's important to understand the potential causes and implications of this phenomenon. Based on the information provided and general medical knowledge, let's delve into the possible reasons for experiencing these flashes and what you should consider moving forward.


Understanding Flashing Lights
Flashing lights in your vision, often described as "photopsia," can occur for various reasons, and they are typically associated with changes in the retina or the vitreous gel inside the eye. Here are some common causes:
1. Vitreous Detachment: As we age, the vitreous gel that fills the eye can shrink and pull away from the retina. This process can lead to flashes of light, especially when the vitreous tugs on the retina. This is often benign but can sometimes lead to more serious conditions.

2. Retinal Issues: Flashes can also indicate more serious retinal problems, such as retinal tears or detachments. These conditions can lead to vision loss if not treated promptly. Even if your previous retinal examination was normal, it's essential to monitor any new symptoms, especially if they persist or worsen.

3. Migraine Aura: Some individuals experience visual disturbances, including flashing lights, as part of a migraine aura. This can occur with or without a headache and may last from a few minutes to an hour.

4. Ocular Migraines: Similar to migraine aura, ocular migraines can cause temporary visual disturbances, including flashes of light, without the headache component.

5. Eye Strain: Prolonged periods of focusing, especially on screens, can lead to eye strain, which may manifest as temporary visual disturbances, including flashes.

6. Other Neurological Issues: In rare cases, flashing lights can be associated with neurological conditions, such as increased intracranial pressure or other central nervous system issues.

When to Seek Medical Attention
Given that you have experienced these flashes after forcefully closing your eyes, it is crucial to be vigilant. While a previous examination indicated no retinal issues, any new or recurring symptoms warrant further evaluation. Here are some guidelines on when to seek medical attention:
- Persistent Symptoms: If the flashes continue or become more frequent, it is essential to consult an eye care professional.

- Accompanied by Other Symptoms: If you experience additional symptoms such as a sudden increase in floaters, a shadow or curtain effect in your vision, or significant changes in your vision, seek immediate medical attention.

- Changes in Vision: Any sudden changes in your vision, such as blurriness or loss of vision, should be evaluated promptly.


Conclusion
In summary, while flashing lights in your vision can be benign, they can also indicate underlying issues that may require medical attention. Given your history of myopia and previous eye examinations, it is advisable to maintain regular check-ups with an eye care professional, especially if you notice any changes in your symptoms. Keeping a record of when these flashes occur and any associated activities can also provide valuable information for your healthcare provider. Remember, it is always better to err on the side of caution when it comes to your vision.