Visual Noise: Is It Related to Floaters? - Ophthalmology

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The symptoms you are describing, such as the sensation of "visual noise" or "floaters," can indeed be related to a condition known as floaters, which are often associated with changes in the vitreous humor of the eye. Floaters are small, shadowy shapes that can appear in your field of vision, often described as spots, threads, or cobwebs. They are typically caused by the natural aging process of the eye, where the vitreous gel becomes more liquid and can form clumps or strands that cast shadows on the retina.

In your case, the "visual noise" you experience, particularly upon waking, could be a manifestation of floaters or other visual disturbances. The fact that these symptoms improve after you are awake suggests that they may be related to the state of your eyes and how they are adjusting to light and focus after sleep. When you first wake up, your eyes may still be adjusting from a state of rest, leading to temporary visual disturbances.

It's also worth noting that the sensation of seeing "static" or "noise" in your vision, akin to a malfunctioning television, may be indicative of a phenomenon known as visual snow syndrome. This condition is characterized by the perception of tiny flickering dots or static-like visual disturbances in the entire visual field. However, visual snow syndrome is relatively rare and is often accompanied by other symptoms, such as light sensitivity or afterimages.

Given that you have already undergone a thorough examination, including optical coherence tomography (OCT) and dilated fundus examination, and that these tests returned normal results, it is reassuring. However, if your symptoms persist or worsen, it would be prudent to follow up with your eye care professional. They may recommend additional tests or a referral to a specialist if they suspect an underlying condition that was not evident during your previous evaluations.

In the context of high myopia, which you mentioned in previous discussions, it is important to be vigilant about any changes in your vision. High myopia can lead to various complications, including retinal detachment or macular degeneration, which could potentially contribute to visual disturbances. Regular eye exams are crucial for monitoring the health of your eyes, especially if you have a history of high myopia or other ocular conditions.

In summary, while your symptoms may be related to floaters or other benign visual phenomena, it is essential to maintain open communication with your eye care provider. If you notice any new symptoms, such as flashes of light, a sudden increase in floaters, or any changes in your peripheral vision, seek immediate medical attention. Your eye health is paramount, and staying proactive about any changes will help ensure that any potential issues are addressed promptly.