Eye Floaters: When to Seek Medical Attention for Vision Changes - Ophthalmology

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Eye floaters are common visual phenomena that many people experience, especially as they age. They appear as small, dark shapes or spots that drift across your field of vision, often described as "floaters" or "cobwebs." These floaters 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 perception of floaters.
In your case, you mentioned experiencing a dense line that appears to have a flowing or moving sensation. This could be related to the changes in the vitreous humor, particularly if you have a history of myopia (nearsightedness), which you indicated with your prescription of over 100 degrees. High myopia is associated with a higher risk of vitreous detachment and other retinal issues, which can lead to more pronounced floaters or other visual disturbances.

While floaters are often benign, there are certain situations where you should seek medical attention. Here are some guidelines to help you determine when to consult an eye care professional:
1. Sudden Increase in Floaters: If you notice a sudden increase in the number of floaters, especially if they are accompanied by flashes of light or a shadow in your peripheral vision, it could indicate a retinal tear or detachment. This is a medical emergency that requires immediate attention.

2. Changes in Vision: If you experience any significant changes in your vision, such as blurriness, distortion, or loss of vision, it is essential to seek medical evaluation. These changes could be indicative of more serious underlying conditions.

3. Flashes of Light: The presence of flashes of light, especially if they occur alongside new floaters, can be a sign of retinal issues. This sensation can occur when the vitreous pulls on the retina.

4. Persistent Symptoms: If your floaters are persistent and bothersome, or if they interfere with your daily activities, it may be worth discussing with an eye care professional. They can perform a comprehensive eye examination to assess the health of your retina and vitreous.

5. Underlying Conditions: Given your myopia, it is prudent to have regular eye examinations. High myopia can lead to complications such as retinal detachment, so monitoring your eye health is crucial.

In summary, while floaters are often harmless, your specific symptoms warrant a thorough evaluation by an eye care professional. They can perform tests such as a dilated eye exam or optical coherence tomography (OCT) to assess the condition of your vitreous and retina. If you have concerns about your vision or changes you are experiencing, do not hesitate to seek medical advice. Early detection and intervention can be critical in preserving your vision and addressing any potential issues.