Floaters and Vitreous Degeneration: Symptoms and Concerns - Ophthalmology

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Floaters, or "flying flies" as they are often referred to, are a common visual phenomenon that many people experience, especially as they age. They are typically caused by changes in the vitreous humor, the gel-like substance that fills the eye. As we age, the vitreous can become more liquid and may pull away from the retina, leading to the appearance of floaters. Your description of seeing transparent objects floating in your vision, along with flashes of light, aligns with common symptoms associated with vitreous degeneration.

1. Are the symptoms just floaters and vitreous opacity?
Based on your description, it does sound like you are experiencing typical floaters and possibly some vitreous detachment. The presence of black dots and transparent strands that move with your gaze is characteristic of floaters. The flashes of light, especially when moving your eyes, can indicate that the vitreous is tugging on the retina, which is not uncommon. However, while these symptoms are often benign, they can sometimes indicate more serious conditions, such as retinal tears or detachments, especially if they are new or have changed in nature.

2. Could eye fatigue be contributing to these symptoms?
Eye fatigue can indeed exacerbate visual disturbances. Prolonged screen time, reading, or any activity that requires intense focus can lead to eye strain, which may make floaters more noticeable. If you find that your symptoms worsen with fatigue or after long periods of visual concentration, it may be beneficial to take regular breaks and practice the 20-20-20 rule: every 20 minutes, look at something 20 feet away for at least 20 seconds.

3. Are these symptoms a precursor to retinal detachment?
While floaters and flashes can be benign, they can also be warning signs of retinal detachment, especially if they are accompanied by a sudden increase in floaters, a shadow or curtain effect in your peripheral vision, or a sudden loss of vision. It’s crucial to monitor your symptoms closely. If you experience any sudden changes or worsening of your symptoms, you should seek immediate medical attention from an eye care professional.

4. Are the light streaks or spots seen when closing your eyes a form of visual persistence?
The light streaks or spots you see when closing your eyes could be related to a phenomenon known as "visual persistence," where the visual system continues to perceive light stimuli even after the source has been removed. This can happen after exposure to bright lights, but it can also occur without any direct light source. However, if these occurrences are frequent or bothersome, it’s worth discussing with your eye doctor to rule out any underlying issues.

In conclusion, while your symptoms may be consistent with benign floaters and vitreous changes, it is essential to remain vigilant. Regular eye examinations are crucial, especially if you notice any new symptoms or changes in your vision. If you have not already done so, I recommend scheduling a follow-up appointment with your eye care provider to discuss your symptoms in detail and to ensure that there are no underlying issues that need to be addressed. Early detection and intervention are key in maintaining eye health and preventing potential complications.