Questions related to retinal laser treatment?
Hello Dr.
Gao, I have undergone retinal laser treatment and experienced a sudden onset of numerous floaters the next day.
I would like to ask you: 1.
What is the likelihood that the retinal laser could affect the vitreous body? Do doctors set a distance for the retinal laser, and is it possible for the settings to be too short, causing it to impact the retina? 2.
Are there recommended energy levels for retinal lasers, or do they vary based on each doctor's preference? I am concerned that excessive energy might have caused the vitreous opacities.
3.
I have been experiencing a persistent flash of light for over a year, which obscures my vision in that area.
I had a dilated fundus examination last month, and the doctor said everything looked fine.
Can I be reassured, or could the flashes be caused by something else? Thank you very much, Dr.
Gao, for your assistance.
Niming, 30~39 year old female. Ask Date: 2023/10/07
Dr. Gao Pilin reply Ophthalmology
Hello: 1.
Relationship between retinal laser and vitreous: Retinal laser treatment is typically used to address retinal diseases rather than directly targeting the vitreous.
Physicians should carefully assess the condition of the retina before performing laser treatment to ensure the accuracy of the treatment goals.
2.
Laser energy: The energy settings for laser treatment should be determined based on the specific circumstances of the patient and the physician's professional judgment.
Different ophthalmologists may adjust the laser energy according to various conditions and patient characteristics.
Correct energy settings are crucial to ensure the effectiveness and safety of the treatment.
3.
Persistent flashes: The persistent flashes you mentioned may be a phenomenon caused by stimulation of cells in the retina.
However, flashes can also be a symptom of retinal issues.
Since you have undergone a dilated eye examination and have been informed that there are currently no problems, it is advisable to continue monitoring.
Reply Date: 2023/10/07
More Info
Dear Weibor,
Thank you for reaching out with your concerns regarding your post-LASIK symptoms. It’s understandable to feel anxious about changes in your vision, especially after undergoing a procedure like LASIK. Let’s break down your questions and concerns regarding the symptoms you are experiencing.
Firstly, the symptoms of blurred vision when looking at near objects, especially after a few minutes, can indeed be related to the LASIK procedure. It is possible that you may be experiencing a condition known as "overcorrection," where the laser treatment has resulted in a slight degree of hyperopia (farsightedness) instead of the intended myopia (nearsightedness). This can lead to difficulty focusing on near objects, which may feel like the onset of presbyopia, a condition that typically occurs with age. A comprehensive eye examination, including a refraction test, can help determine if this is the case. If overcorrection is confirmed, your eye care provider may suggest options such as glasses for near vision or, in some cases, a touch-up LASIK procedure.
Regarding the concern about corneal irregularities or "wrinkles" in the cornea, it is important to note that these can occur post-surgery, particularly if the cornea has not healed properly. If you are experiencing symptoms like blurred vision or visual disturbances, it is crucial to follow up with your LASIK surgeon or an ophthalmologist who can assess the corneal surface and determine if any treatment is necessary. They may perform a topography test to evaluate the shape of your cornea and check for any irregularities.
As for your question about the potential for internal folds or wrinkles in the cornea after the flap is lifted during LASIK, it is indeed possible for complications to arise if the flap does not adhere properly during the healing process. However, most cases resolve with time as the cornea heals. If you are experiencing persistent symptoms, it is essential to communicate this to your eye care provider, as they may need to intervene to ensure proper healing.
In terms of treatment options, aside from waiting for natural healing, your doctor may consider prescribing lubricating eye drops to alleviate dryness, which can exacerbate visual disturbances. If the corneal irregularities are significant, further interventions, such as a corneal cross-linking procedure or a flap revision, may be necessary, but these are typically reserved for more severe cases.
Lastly, regarding your concerns about the potential for complications from the LASIK procedure, it is important to remember that while most patients experience significant improvements in their vision, some may encounter issues like glare, halos, or floaters post-surgery. These symptoms can often be managed with appropriate follow-up care and treatment.
In summary, I recommend scheduling a follow-up appointment with your LASIK surgeon or an ophthalmologist to discuss your symptoms in detail. They can provide a thorough examination and determine the best course of action tailored to your specific situation. Remember, timely intervention is key to addressing any post-operative complications effectively.
Best regards,
Doctor Q&A Teams
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