Floaters and Flashing Lights: Causes and Concerns - Ophthalmology

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Floaters and flashes?


Dr.
Tsai: Hello! I noticed floaters at the end of May, and I experience flashes of light when I close my eyes at night.
I immediately went to a large hospital for a fundus examination, and the doctor informed me that it was degeneration but there were no tears.
Since then, I have undergone three fundus examinations over the past six months, all with different doctors, and the results showed no tears.
They advised me to have regular follow-ups.
However, my flashes have not disappeared; they still occur within a few minutes of closing my eyes at night, flashing quickly for a few minutes.
The doctor mentioned that it is due to the degenerating retina being pulled.
I would like to ask the doctor why, after six months of degeneration, the flashes have not gone away.
I feel very anxious every day, fearing that a detachment could happen at any moment, and I have a sense of dread even when I try to sleep.
I would appreciate your clarification on this matter.
Thank you!

UU, 30~39 year old female. Ask Date: 2018/11/16

Dr. Cai Wenyuan reply Ophthalmology


Hello: There is no need to be overly fearful; regular check-ups are sufficient.
Wishing you safety and health.
Sincerely, Dr.
Tsai Wen-Yuan, Director of the Ophthalmology Department, Taoyuan General Hospital, Ministry of Health and Welfare.

Reply Date: 2018/11/16

More Info


Floaters and flashing lights in your vision can be concerning symptoms, and it's understandable that you're feeling anxious about them. Let's break down what these symptoms mean, their potential causes, and what you should keep in mind moving forward.

Floaters are small spots, specks, or cobweb-like shapes that drift across your field of vision. 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 perception of floaters. This is a common occurrence and is usually benign. However, if floaters suddenly increase in number or are accompanied by flashes of light, it may indicate a more serious condition, such as a retinal tear or detachment.

Flashing lights, or photopsia, occur when the retina is stimulated, often due to the vitreous pulling on it. This can happen during the normal aging process, but it can also be a sign of retinal issues. The fact that your eye doctor has performed multiple examinations and found no retinal tears is reassuring. However, the persistence of your symptoms can understandably lead to anxiety.

The fact that your flashes have not diminished over the past six months may be due to the ongoing process of vitreous degeneration. In many cases, as the vitreous continues to change, the symptoms may stabilize or even improve over time. However, some individuals may continue to experience flashes for an extended period. It's important to remember that while the symptoms can be distressing, they do not always indicate an imminent risk of retinal detachment, especially if your eye exams have consistently shown no signs of tears or other complications.

Here are some key points to consider:
1. Regular Monitoring: Continue to follow up with your eye care provider as recommended. Regular monitoring is crucial, especially if you notice any changes in your symptoms, such as an increase in floaters or flashes, or if you experience a sudden loss of vision.

2. Managing Anxiety: It's natural to feel anxious about your vision, but try to focus on the fact that multiple examinations have shown no serious issues. If your anxiety becomes overwhelming, consider discussing it with a healthcare professional who can provide support or coping strategies.

3. Lifestyle Adjustments: While there is no specific treatment for floaters and flashes, maintaining a healthy lifestyle can support overall eye health. This includes a balanced diet rich in antioxidants, staying hydrated, and protecting your eyes from excessive UV exposure.

4. Understanding Retinal Health: Educate yourself about retinal health and the aging process of the eye. Understanding that floaters and flashes are common and often benign can help alleviate some of your fears.

In conclusion, while the persistence of your symptoms can be concerning, the absence of retinal tears or detachment is a positive sign. Continue to monitor your symptoms and maintain regular check-ups with your eye care provider. If you have any new concerns or changes in your vision, do not hesitate to seek immediate medical attention. Your eye health is important, and staying informed and proactive is the best approach.

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