Retinal Laser Treatment: Healing, Risks, and Visual Phenomena - Ophthalmology

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Regarding retinal laser issues?


Hello Dr.
Gao, I have some questions regarding retinal issues:
1.
Does the degree of retinal laser coagulation vary according to individual constitution? Are there cases where patients do not respond with coagulation to the laser treatment? Could this lead to retinal detachment?
2.
Sometimes when I close my eyes, I see light spreading from the corners of my eyes.
I'm uncertain if this is due to pressure on the eyes causing phosphenes or if it could be related to vitreous degeneration (with high myopia of 900-1000 degrees)?
Thank you, Dr.
Gao!

Miss Lin, 20~29 year old female. Ask Date: 2020/11/25

Dr. Gao Pilin reply Ophthalmology


Hello Ms.
Lin: 1.
If the procedure is successful, there should be scabbing.
2.
This type of light is likely a visual phenomenon, rather than flashes resembling lightning caused by vitreous pulling on the retina.
At the E-Hospital in Puzi, Taiwan, the ophthalmology department is open on Monday, Tuesday, Thursday, and Friday mornings from 8:00 AM to 12:00 PM, and Wednesday afternoons from 2:00 PM to 4:30 PM.
Online responses can only serve as a reference; it is still necessary to seek medical attention at a healthcare facility if needed.
I hope to have the opportunity to serve you.
Gao Pi-Lin

Reply Date: 2020/11/25

More Info


Retinal laser treatment is a common procedure used to address various retinal issues, including retinal tears, detachments, and certain types of macular degeneration. Understanding the healing process, potential risks, and visual phenomena associated with this treatment is crucial for patients undergoing such procedures.

1. Healing and Scarring from Laser Treatment: The degree of scarring or healing that occurs after retinal laser treatment can indeed vary from person to person. Factors such as individual health, the presence of underlying conditions (like diabetes or hypertension), and the specific characteristics of the retinal issue being treated can all influence the healing response. In some rare cases, patients may not exhibit the expected scarring response to laser treatment. This lack of response could potentially lead to complications, including the risk of retinal detachment. However, it is important to note that the majority of patients do respond positively to laser treatment, and the risk of complications is generally low when the procedure is performed by an experienced ophthalmologist.

2. Visual Phenomena and Eye Conditions: The phenomenon of seeing light or flashes, especially when closing the eyes, can be attributed to several factors. In individuals with high myopia (like those with 900-1000 degrees of nearsightedness), the risk of vitreous detachment increases as the vitreous gel within the eye ages and shrinks. This can lead to visual disturbances, such as seeing flashes of light or floaters. The pressure applied to the eyes when closing them can also create transient visual effects, which may be perceived as light or flashes. It is essential for patients experiencing these symptoms to consult with their eye care provider to rule out any serious conditions, such as retinal tears or detachments.


Additional Considerations
- Monitoring and Follow-Up: After undergoing retinal laser treatment, patients should have regular follow-up appointments to monitor the healing process and ensure that no new complications arise. This is particularly important for individuals with high myopia, as they are at a higher risk for retinal issues.

- Symptoms to Watch For: Patients should be vigilant for symptoms such as sudden flashes of light, an increase in floaters, or a shadow or curtain effect in their vision, as these could indicate a retinal tear or detachment that requires immediate medical attention.

- Long-Term Outlook: While laser treatment can be effective in stabilizing retinal conditions, it is not a cure-all. Patients with high myopia or other underlying conditions may need ongoing monitoring and management to maintain their vision and eye health.

In conclusion, retinal laser treatment is a valuable tool in managing retinal diseases, but it is essential for patients to understand the variability in healing and the potential for visual phenomena. Regular communication with eye care professionals and adherence to follow-up care are key components in ensuring the best possible outcomes. If you have any further questions or concerns, do not hesitate to reach out to your ophthalmologist for personalized advice and guidance.

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