Questions about floaters?
Hello Dr.
Wang: I have approximately 400-450 degrees of myopia in both eyes.
I started noticing symptoms of floaters in both eyes around November last year.
After an examination, a retinal specialist said everything was normal, but my right eye is slightly thinner, and they performed laser treatment as a precaution.
Recently, I've encountered a situation where, when I look at a white wall on my left side and stop, I see a faint flickering in the upper left corner of my visual field.
The flickering occurs at a rapid frequency, not like lightning, but similar to the interference seen on a computer screen.
I covered each eye alternately to check and found that only my left eye exhibited this phenomenon.
Upon returning to the hospital for further examination, the doctor again confirmed that my retina is normal.
I would like to ask: 1.
Is this situation a normal occurrence related to floaters? 2.
Is it related to my long-term use of dilating drops? 3.
Does this indicate that the retina is being pulled? 4.
Should I pursue any more proactive treatment? Thank you for taking the time to answer, doctor.
A Zhe Zhe, 30~39 year old female. Ask Date: 2015/11/10
Dr. Wang Zhishun reply Ophthalmology
Hello, 1.
It also falls under the category of floaters.
2.
It should not be related to long-term use of mydriatic agents.
3.
Not necessarily; retinal traction is one possible cause.
4.
It is advisable to treat only if there are identified issues with the retina.
Reply Date: 2015/11/10
More Info
Hello! Thank you for your detailed inquiry regarding your eye health, particularly concerning floaters and other visual disturbances. It’s understandable to have concerns, especially when dealing with conditions like myopia and floaters. Let’s address your questions one by one.
1. Is this situation a normal occurrence related to floaters?
Yes, the symptoms you describe, particularly the flashes of light or shimmering sensations in your peripheral vision, can be associated with floaters. Floaters are typically caused by changes in the vitreous gel inside the eye, which can become more liquid and less gel-like as we age. This can lead to the formation of clumps or strands that cast shadows on the retina, which you perceive as floaters. The flashes you see, especially when moving your eyes or looking at a bright surface, can occur when the vitreous gel pulls on the retina, which is often benign but should be monitored.
2. Is this related to my long-term use of dilating drops?
The use of dilating drops (mydriatics) is generally safe and does not directly cause floaters or flashes. However, if you have been using these drops frequently, it might be worth discussing with your eye care provider to ensure that they are necessary and appropriate for your condition. Dilating drops temporarily enlarge the pupil, allowing for a better view of the retina during examinations, but they do not contribute to the development of floaters.
3. Does this indicate that the retina is being pulled?
The flashes you are experiencing can indicate that the vitreous is indeed pulling on the retina. This is a common occurrence, especially in individuals with myopia, as the shape of the eye can predispose one to such changes. While this is often benign, it is crucial to monitor for any changes in your vision, such as an increase in the number of floaters or the appearance of new flashes, as these could indicate a more serious condition, such as retinal tears or detachment.
4. What proactive measures should I take?
Since you have already had your retina examined and it was deemed normal, the best course of action is to continue regular eye check-ups, especially if you notice any changes in your symptoms. If your eye care provider has suggested laser treatment as a preventive measure due to the thinning of your retina, it’s important to follow their recommendations. Additionally, maintaining a healthy lifestyle, including a balanced diet rich in antioxidants, staying hydrated, and protecting your eyes from UV light, can contribute positively to your overall eye health.
In summary, while your symptoms can be associated with floaters and are not uncommon, it’s essential to stay vigilant and maintain regular check-ups with your eye care professional. If you experience any sudden changes in your vision, such as a significant increase in floaters, flashes of light, or a shadow in your peripheral vision, seek immediate medical attention. Your proactive approach to monitoring your eye health is commendable, and staying informed will help you manage your condition effectively. Thank you for reaching out, and I wish you the best in maintaining your eye health!
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