When to Worry About Increased Floaters in Your Vision - Ophthalmology

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The occurrence of a significant number of floaters?


Hello, Doctor.
I have a retinal tear that has been stabilized with laser treatment.
Recently, I've noticed some changes in my floaters, such as an increase in small dots or new shapes.
I tend to get them checked again, but the doctor seems to think I'm being overly cautious.
I would like to ask about the situation where a sudden increase in floaters warrants immediate examination: 1.
Does this mean that the number of floaters must be severe enough to significantly affect my vision before I should see a doctor right away? 2.
If there is only a slight increase or a change in shape, is it sufficient to just monitor the situation? Thank you, Doctor.

Matcha, 20~29 year old female. Ask Date: 2017/09/14

Dr. Cai Wenyuan reply Ophthalmology


Hello, you have already been examined and treated.
Please follow up regularly as per the doctor's advice.
Wishing you safety and good health.
Sincerely, Dr.
Tsai Wen-Yuan, Director of Ophthalmology, Taoyuan General Hospital, Ministry of Health and Welfare.

Reply Date: 2017/09/14

More Info


When it comes to increased floaters in your vision, particularly for someone with a history of retinal issues such as a retinal tear, it is essential to understand the nuances of what constitutes a concerning change. Floaters, or "muscae volitantes," are typically small specks or strands that drift through your field of vision. They are often caused by changes in the vitreous gel of the eye, which can occur naturally with age or due to other factors, including high myopia or previous eye surgery.

1. When to Seek Immediate Attention: The general guideline for when to seek immediate medical attention regarding floaters is when there is a sudden increase in their number, especially if accompanied by flashes of light or a shadow or curtain effect in your peripheral vision. This could indicate a more serious condition, such as a retinal tear or detachment. If the floaters become so numerous that they significantly obstruct your vision, this is also a reason to consult an eye care professional promptly. The key concern is that a sudden increase in floaters can signal that the vitreous is pulling away from the retina, which can lead to tears or detachment.

2. Monitoring Changes: If you notice a slight increase in floaters or changes in their shape, it is generally advisable to monitor the situation closely. Many people with floaters experience fluctuations in their appearance without any underlying serious issues. However, given your history of retinal tears, it is prudent to err on the side of caution. If the changes in floaters are minimal and not accompanied by other symptoms, your eye doctor may suggest regular monitoring rather than immediate intervention.
It is also important to communicate openly with your eye care provider about your concerns. If you feel that your symptoms are changing or worsening, do not hesitate to seek a follow-up appointment. Your peace of mind is crucial, and your doctor can help assess whether your symptoms warrant further investigation.

In summary, while a slight increase in floaters or changes in their appearance may not be alarming, it is essential to remain vigilant, especially with your medical history. If you experience a sudden increase in floaters, especially if accompanied by flashes of light or other visual disturbances, seek immediate medical attention. Regular check-ups with your eye care provider are vital to ensure that any potential issues are caught early, particularly for individuals with a history of retinal problems. Always trust your instincts—if something feels off, it’s better to get it checked out.

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