Retinal Laser Treatment and Its Effects on Floaters - Ophthalmology

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Retinal laser treatment


Hello Doctor, I am the person who developed a significant amount of floaters after retinal laser treatment.
Recently, it seems that the floaters have increased, and I occasionally see flashes of light.
I am really going crazy.
I have an appointment and will be going to Tzu Chi General Hospital for an examination on Thursday.
I would like to know about the condition of my retina and vitreous.
I have a few questions for you, Doctor:
1.
I feel that the doctor who previously misled me into getting the laser treatment might have affected other areas, as I have developed a lot of floaters not only at the laser site but also in other areas around it.
Can you check if there was any impact on other regions during your examination?
2.
How many laser spots are typically applied during retinal laser treatment?
3.
Does a large hospital like Tzu Chi General Hospital have the equipment to show me the condition of the laser-treated area?
4.
If I want to understand the condition of vitreous opacities (floaters), what specific tests should I request from the doctor?
5.
What is the most likely cause of developing a large number of floaters immediately the day after the laser treatment? (I mean, it was an overwhelming amount of floaters that appeared the very next day...)
Thank you very much, and I wish you a Happy New Year, Doctor.

Nìmíng, 30~39 year old female. Ask Date: 2024/01/14

Dr. Gao Pilin reply Ophthalmology


Hello: 1.
For laser treatment of the retina, it is typically focused on specific areas, and the physician will have very precise localization during the procedure.
The area treated with laser is different from the area affected by floaters, so it is not possible to assess the situation you described.
2.
The number of laser treatments for the retina will depend on the condition, and the doctor will determine the scope and frequency of treatment based on the patient's specific situation.
3.
Large hospitals are usually equipped with advanced imaging technology that can clearly display the condition of the retina and surrounding tissues.
You can ask your doctor, who should also provide you with relevant images and reports.
4.
If you want to understand the condition of vitreous opacities (floaters), an ophthalmologist will typically perform a fundus examination to observe the state of the vitreous body.
5.
I cannot explain this situation; you may need to consult the physician who performed the laser treatment or a retinal specialist.
Wishing you a Happy New Year.

Reply Date: 2024/01/14

More Info


Hello! Thank you for your questions regarding retinal laser treatment and its effects, particularly concerning floaters and flashes. I understand that you are experiencing significant discomfort and concern about your vision, especially after undergoing laser treatment. Let’s address your questions one by one.

1. Concerns About Laser Treatment and Floaters: It is understandable to feel anxious about the appearance of new floaters after laser treatment. Typically, laser treatment for retinal issues is targeted to specific areas of the retina, particularly where there may be tears or detachment. However, the presence of floaters can be a common occurrence, especially in individuals with vitreous degeneration or high myopia (nearsightedness). The laser itself should not cause floaters in areas that were not treated, but it can sometimes lead to changes in the vitreous gel that can result in new floaters appearing. During your upcoming examination, your doctor will be able to assess the areas treated with laser and determine if there are any new developments in the vitreous or retina.

2. Number of Laser Applications: The number of laser applications during a procedure can vary based on the specific condition being treated and the extent of the retinal issue. Generally, a single session may involve multiple laser spots, but the exact number is tailored to the individual’s needs. It is not uncommon for patients to require multiple sessions, especially if there are ongoing issues with the retina.

3. Imaging and Equipment: Most comprehensive eye care facilities, including large hospitals like Tzu Chi General Hospital, have the necessary equipment to perform imaging studies such as Optical Coherence Tomography (OCT) or fundus photography. These tests can help visualize the retina and the area where the laser was applied, allowing your doctor to assess the treatment's effectiveness and any changes in the retina or vitreous.

4. Assessing Vitreous Opacity (Floaters): If you want to understand more about your floaters, you should discuss with your doctor the possibility of undergoing a dilated fundus examination, OCT, or even a B-scan ultrasound if necessary. These tests can provide detailed information about the vitreous gel and any potential changes that may be contributing to your floaters.

5. Immediate Appearance of Floaters Post-Laser Treatment: The sudden increase in floaters following laser treatment can be alarming. This phenomenon can occur due to several reasons. One possibility is that the laser treatment may have caused a change in the vitreous gel, leading to the release of more floaters. Additionally, if there was any pre-existing vitreous degeneration, the laser treatment could have exacerbated the condition, resulting in the sudden appearance of new floaters. It is essential to communicate this concern to your doctor during your visit, as they can provide insights specific to your situation.

In conclusion, while the appearance of floaters and flashes can be distressing, it is crucial to have regular follow-ups with your eye care provider to monitor your condition. They can provide tailored advice and treatment options based on your specific needs. Remember, floaters are often benign, but any sudden changes in vision should always be evaluated promptly. I wish you the best in your upcoming appointment and hope for a positive outcome regarding your eye health. Happy New Year!

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