Floaters and Flashes: When to Seek Eye Care - Ophthalmology

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Floaters and flashes of light?


Hello Doctor, I have been experiencing issues with floaters for a long time.
About two weeks ago, I underwent a dilated eye exam, and the doctor found a hole in my left eye, which was treated with laser.
The doctor mentioned that my right eye was fine.
I would like to ask: 1.
Whenever I close my eyes, I see some impurities, both black and white, and sometimes even light.
Are these also considered a type of floaters? 2.
How many floaters are considered excessive? Currently, I can see about seven to eight floaters daily, especially in bright sunlight or on white surfaces, and I can almost always see them.
Is this considered normal? Thank you for your response, Doctor.

P, 20~29 year old female. Ask Date: 2023/01/12

Dr. Gao Pilin reply Ophthalmology


Hello: 1.
It should be a phenomenon of floaters.
2.
Compared to usual, if there is no significant increase and you have been examined, there is no need to worry.
If there is an increase, you can get re-evaluated.

Reply Date: 2023/01/12

More Info


Hello! Thank you for your questions regarding floaters and flashes, especially in the context of your recent eye care experiences. Let's break down your concerns and provide some clarity on these symptoms.

1. Understanding Floaters: Floaters are small specks or strands that drift through your field of vision. They are typically caused by tiny pieces of gel or cells inside the vitreous, the clear gel-like substance that fills the eye. As we age, the vitreous can shrink and become more liquid, leading to the formation of these floaters. When you mention seeing "杂质" (impurities) when your eyes are closed, this could indeed be related to floaters. The perception of light or colors when your eyes are closed may also be due to the way light interacts with the vitreous or the retina. However, if these experiences are new or have changed significantly, it's important to discuss them with your eye care provider.

2. Frequency and Normalcy of Floaters: The number of floaters can vary greatly from person to person. Seeing several floaters, especially in bright light or against a white background, is common. However, if you notice a sudden increase in the number of floaters or if they are accompanied by flashes of light or a shadow in your peripheral vision, this could indicate a more serious condition, such as a retinal tear or detachment. In your case, seeing seven to eight floaters daily, especially if they have been stable over time, may be considered normal for someone with a history of floaters. However, continuous monitoring is essential, and any sudden changes should prompt an immediate visit to your eye doctor.

3. When to Seek Care: Given your history of floaters and the recent laser treatment for a retinal hole, it's crucial to remain vigilant. You should seek immediate medical attention if you experience any of the following:
- A sudden increase in the number of floaters.

- Flashes of light that are new or increasing in frequency.

- A shadow or curtain effect in your vision.

- Any significant changes in your vision, such as blurriness or loss of vision.

4. Managing Symptoms: While floaters can be bothersome, there are currently no medications that can eliminate them. Most people learn to ignore them over time. If they significantly impact your quality of life, discussing options with your eye care specialist, including potential surgical interventions, may be appropriate.

5. Preventive Measures: To maintain eye health, consider the following:
- Regular eye exams, especially if you have a history of retinal issues.

- Protect your eyes from excessive sunlight with UV-blocking sunglasses.

- Maintain a healthy lifestyle, including a balanced diet rich in antioxidants, which can support overall eye health.

In summary, while floaters are common and often benign, your recent experiences and the presence of a retinal hole warrant careful monitoring. Always feel empowered to reach out to your eye care provider with any new or worsening symptoms. Your proactive approach to understanding your eye health is commendable, and I encourage you to continue prioritizing your vision. If you have further questions or concerns, don't hesitate to ask!

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