Flashing Lights in Vision After Eye Injury

Occasionally, there is a fleeting white light in the peripheral vision?

Hello doctor, I practice boxing and a few days ago I was hit hard in my right eye during sparring.
Currently, I occasionally see a fleeting white light in my right eye that disappears quickly (I have never experienced flashes of light in my eyes before this incident).
Will this resolve on its own? Additionally, I have a history of floaters; could this be related? Thank you.

Ye, 20~29 year old female. Ask Date: 2017/08/09

Dr. Cai Wenyuan reply Ophthalmology

Hello, it is still recommended to seek medical examination.
Wishing you safety and health.
Sincerely, Dr.
Tsai Wen-Yuan, Director of the Ophthalmology Department, Taoyuan Hospital, Ministry of Health and Welfare.

Reply Date: 2017/08/09

More Info

Experiencing flashing lights in your vision after an eye injury, especially in the context of contact sports like boxing, can be concerning. The phenomenon you're describing, where you see white light or flashes that quickly disappear, is known as photopsia. This can occur due to several reasons, particularly after trauma to the eye.

When you sustain a blow to the eye, it can lead to changes in the vitreous humor, the gel-like substance that fills the eye. The impact may cause the vitreous to pull away from the retina, which can lead to flashes of light as the vitreous tugs on the retina. This is often benign, especially if there are no other symptoms, but it can also indicate more serious conditions, such as retinal tears or detachments.

Given your history of floaters (known as myodesopsia), it's important to monitor any changes in your symptoms. Floaters are typically harmless and are caused by tiny clumps of gel or cells within the vitreous that cast shadows on the retina. However, if you notice an increase in the number of floaters, especially if they are accompanied by flashes of light, it could be a sign of a more serious issue that warrants immediate medical attention.

In your case, since the flashes began after a significant impact to the eye, it is advisable to seek a thorough examination from an ophthalmologist. They may perform a dilated eye exam to check for any signs of retinal damage or other complications. While many cases of flashes and floaters resolve on their own, it is crucial to rule out any potential risks to your vision, especially after an injury.

In terms of recovery, many individuals find that the symptoms may diminish over time, particularly if there is no underlying damage to the retina. However, if the flashes persist or worsen, or if you experience other symptoms such as a curtain-like shadow over your vision or sudden vision loss, you should seek immediate medical attention.

In summary, while it is possible that your symptoms may improve on their own, it is essential to have a professional evaluation to ensure that there are no serious underlying issues. Regular follow-ups and monitoring are key, especially given your history of floaters and the recent eye trauma. Taking care of your eye health is paramount, particularly in sports where the risk of injury is higher. Always err on the side of caution and consult with a healthcare provider if you have any concerns about your vision.

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