Flashes of Light When Closing Eyes: Signs of Retinal Detachment? - Ophthalmology

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Flashes of light in the eyes, especially in the context of high myopia and previous retinal issues, can indeed be concerning. Given your history of retinal holes and recent laser repair, it’s understandable to be vigilant about any new visual symptoms.
When you experience flashes of light, particularly when closing your eyes or during eye movements, this phenomenon is often referred to as "photopsia." Photopsia can occur due to various reasons, including the traction of the vitreous gel on the retina, which is common in individuals with high myopia. In your case, since you have a history of retinal holes and have undergone laser treatment, it is crucial to monitor these symptoms closely.

The flashes you describe, especially if they occur when you blink or exert pressure on your eyes, may not necessarily indicate retinal detachment, but they warrant careful evaluation. Retinal detachment typically presents with more severe symptoms, such as a sudden increase in floaters, a shadow or curtain effect in your peripheral vision, or a sudden loss of vision. Since you mentioned that you do not see any black spots or shadows in your visual field, this is a positive sign. However, the presence of flashes, especially after having a retinal hole repaired, should not be ignored.

The vitreous gel, which fills the eye, can pull on the retina as it ages or as a result of changes in the eye, leading to these flashes. This is particularly common in individuals with high myopia, where the eye is elongated, and the risk of retinal issues is higher. The fact that you only notice these flashes when you close one eye and blink could suggest that the flashes are related to the mechanical movement of the eye and the vitreous gel interacting with the retina.

It is essential to follow up with your ophthalmologist, especially since you have a history of retinal issues. They may recommend a thorough examination, including a dilated fundus exam, to assess the condition of your retina and vitreous. If there are any signs of new tears or detachment, early intervention can be crucial in preventing vision loss.

In summary, while the flashes you are experiencing may not immediately indicate retinal detachment, they are a symptom that should be evaluated by a professional. Regular check-ups and open communication with your eye care provider are vital, especially given your history of retinal problems. If you notice any changes in your vision, such as an increase in the frequency or intensity of the flashes, or if you start experiencing new symptoms like floaters or shadows, seek medical attention promptly. Your proactive approach to monitoring your eye health is commendable, and it’s the best way to ensure your vision remains protected.