Flashes of Light When Blinking: Eye Symptoms - Ophthalmology

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Flashes of light in the eyes, especially when blinking or moving the eyes, can be a concerning symptom for many individuals, particularly those with a history of eye issues such as high myopia or vitreous detachment. Based on your description, it seems you are experiencing flashes of light and dark spots in your vision, particularly in the central area of your visual field. This can be alarming, especially given your previous eye conditions.

Firstly, it is important to understand that flashes of light can occur due to several reasons, most commonly related to the vitreous gel in the eye. As we age or due to certain conditions like high myopia, the vitreous can begin to shrink and pull away from the retina, which can cause sensations of light flashes. This phenomenon is often referred to as "vitreous detachment." When the vitreous pulls on the retina, it can stimulate the retinal cells, leading to the perception of light even in the absence of actual light stimuli.

In your case, since you have already undergone a thorough eye examination and your retina was reported to be healthy, it is reassuring. However, the persistence of these symptoms for over a month does warrant attention. Typically, if the flashes are due to vitreous detachment, they may gradually diminish over time as the vitreous continues to separate from the retina. This process can take weeks to months, and in many cases, the flashes will eventually resolve. However, if the flashes are accompanied by other symptoms such as an increase in floaters, a shadow or curtain effect in your vision, or significant changes in your visual acuity, it is crucial to seek immediate medical attention, as these could indicate a more serious condition such as retinal tears or detachment.

Regarding your specific question about the duration of these symptoms, it varies widely among individuals. Some people may notice improvement within a few weeks, while others may experience symptoms for several months. The key is to monitor the symptoms closely. If they worsen or new symptoms arise, it is essential to consult with your ophthalmologist for further evaluation.

As for the small bright spot you mentioned seeing when you blink, this could also be related to the same vitreous changes. It is not uncommon for individuals experiencing vitreous detachment to notice bright spots or flashes, especially when moving their eyes or blinking. These symptoms can occur in various parts of the visual field, including the central vision, depending on how the vitreous is interacting with the retina.

In summary, while the symptoms you are experiencing can be concerning, they are often benign, especially in the context of a recent eye examination showing no retinal issues. However, it is always best to err on the side of caution. If your symptoms persist or change, or if you experience any new visual disturbances, please do not hesitate to reach out to your eye care professional for further assessment. Regular follow-ups are essential, especially given your history of eye conditions.