Floaters and Retinal Health: A Guide for Young Myopes - Ophthalmology

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Floaters, retinal degeneration


Hello Doctor, I am currently 20 years old and have high myopia, with my left eye at -600 and my right eye at -850.
I discovered that I have floaters about a year and a half ago (though I'm not sure when they actually started).
In recent months, I have been increasingly aware of them, feeling that the floaters are clearer or that there are more of them.
I visited two doctors in the past two months, both of whom performed dilated fundus examinations and confirmed that my retina is currently fine.
One doctor showed me the dilating drops, which made me somewhat photophobic, but they helped me to notice the floaters less, allowing me to ignore them.
I have been extremely anxious for the past few months, to the point where I cannot sleep.

I would like to ask about the so-called flashes of light: 1.
What kind of flashes are they? I often get startled by reflections or intense light, thinking they are flashes, but I'm not sure if they are real flashes.
Recently, I saw two straight lines of light flash twice indoors, but they disappeared in an instant; I’m uncertain if that was a flash.
If it was a flash, do I need to seek medical attention immediately? 2.
I also noticed that when I close my eyes for a long time at night and then open them, my eyes initially flash, but after a few seconds, they adapt to the darkness and it stops.
Is this also a sign of retinal traction? Why does it only happen after keeping my eyes closed for a long time? I couldn't find relevant information online, and I’m even more afraid to open my eyes at night...
3.
Do dilating drops (3 mg long-acting) help in ignoring floaters? The doctor said they could be used after evaluation, but I have to hold things far away to see them clearly; if I don’t use them, I keep focusing on the floaters I see.
4.
Is it possible for floaters to improve? Sometimes I feel like there aren't many, while at other times, I see them constantly.
5.
I first noticed the floaters in my right eye, but over time, the floaters in my right eye have become less noticeable, and I see them less when I move my eye.
Conversely, I initially didn’t notice floaters in my left eye, but in recent months, I see most of the floaters in my left eye.
What could be the reason for this? 6.
I am really worried, but the doctor says everything is fine.
What should I do? Under what circumstances would I need to undergo a more thorough retinal examination (the kind with instruments, not just dilated and magnified views of the eye)?

popo, 20~29 year old female. Ask Date: 2021/09/06

Dr. Gao Pilin reply Ophthalmology


Hello, Popo: 1.
If the examination shows no issues, occasional flashes of light should not be a major concern.
2.
This is unrelated to retinal detachment flashes; it is likely a form of photopsia, which is a physiological phenomenon.
3.
Not seeing floaters does not mean they are not present, and seeing them does not necessarily indicate a problem.
There is no need to dilate the pupils just because you cannot see them; instead, you should learn to adapt to their presence and not be overly concerned.
4.
There is no effective method to make them disappear, but they may change on their own and could potentially decrease in frequency.
5.
If the onset occurs at different times in both eyes, it may present with different symptoms, which is normal.
6.
Dilation is not an issue, and no further examinations are necessary.
If the doctor says everything is fine, you should feel reassured.

Reply Date: 2021/09/06

More Info


It’s understandable to feel anxious about your eye health, especially with a history of high myopia and the recent onset of floaters. Let’s break down your concerns regarding floaters, flashes, and overall retinal health.


Understanding Floaters
Floaters are small specks or strands that drift through your field of vision. They are caused by tiny pieces of gel or cells inside the vitreous, the clear gel-like substance that fills the eye. As we age or in cases of high myopia, the vitreous can shrink and pull away from the retina, leading to an increase in floaters. In your case, since you have high myopia, it is not uncommon to experience floaters, and they can become more noticeable over time.


Flashes of Light
Flashes, on the other hand, are often described as brief bursts of light that can occur when the vitreous gel pulls on the retina. This can happen during sudden movements or even when you are at rest. The flashes you described, especially the ones you noticed in low light conditions after closing your eyes for a while, could be related to the way your retina is responding to changes in light and pressure. However, if you experience persistent flashes or a sudden increase in floaters, it is crucial to seek immediate medical attention, as these can be signs of retinal detachment.


When to Seek Medical Attention
You should consider seeing an eye specialist if:
1. You experience a sudden increase in floaters.

2. You see flashes of light that are new or have increased in frequency.

3. You notice any changes in your peripheral vision or a shadow in your vision.

Regular eye exams are essential, especially with your history of high myopia. While your recent examinations showed no issues, it’s important to keep monitoring your eye health.


Managing Anxiety and Floaters
Your anxiety about floaters is understandable, but it’s important to remember that floaters are often benign, especially if your eye exams have been normal. The use of dilating drops can help reduce your awareness of floaters temporarily, as you mentioned. However, it’s essential to balance this with the need for clear vision, especially if you are engaging in activities that require focus.


Can Floaters Improve?
Floaters can sometimes become less noticeable over time as your brain learns to ignore them. However, they may not completely disappear. The perception of floaters can vary; they may seem more prominent at times due to changes in lighting or your level of fatigue.


The Role of Lifestyle
Maintaining a healthy lifestyle can also contribute to overall eye health. This includes:
- Eating a balanced diet rich in antioxidants (like leafy greens and fish).

- Staying hydrated.

- Taking regular breaks from screens to reduce eye strain.

- Protecting your eyes from UV light with sunglasses.


Conclusion
In summary, while your concerns about floaters and flashes are valid, it’s reassuring that your recent eye exams have not indicated any serious issues. Continue to monitor your symptoms and maintain regular check-ups with your eye care provider. If you experience any new or worsening symptoms, don’t hesitate to seek further evaluation. Managing anxiety through education and regular communication with your healthcare provider can also help you feel more secure about your eye health.

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