Retinal Tears: Common Concerns and Questions After Laser Surgery

Retinal tear issues?

Hello Doctor, last October I was diagnosed with a retinal tear in my left eye, and I underwent laser surgery at that time.
I have a few questions I would like to consult you about.

1.
A few days after the laser treatment, I noticed a dark shadow at the site of the laser, but it only appears when I blink.
When I don't blink, I see a thin line that keeps moving.
Since I already have floaters, I feel that this is different from the usual floaters.
However, after a check-up with my doctor, no issues were found.
Can you explain this?
2.
If there are repeated retinal tears followed by laser treatment, could this lead to blindness?
3.
Occasionally, I see a new floater in my left eye, but it disappears quickly after passing by.
The timing of its appearance is unpredictable.
What could this indicate in terms of eye disease?
4.
When floaters form, do they pull on the retina? My floaters suddenly worsened around the same time I was diagnosed with the retinal tear.
Will they continue to exert this pull?
I apologize for asking so many questions, and thank you for taking the time to answer.

Ke lian zhong kao sheng, 10~19 year old female. Ask Date: 2021/04/12

Dr. Gao Pilin reply Ophthalmology

Dear Re-examinee,
1.
It is possible that retinal debris is floating around the area of the retinal tear.
2.
If it is only a laser treatment for the tear, it will not lead to blindness unless the tear results in a severe retinal detachment.
3.
If the examination shows no issues, it is likely just floaters.
4.
Floaters do not necessarily pull on the retina, but if there are floaters associated with a tear, they may be more pronounced and numerous.
Since the tear has already been treated with laser for prevention, any pulling is less likely to cause a retinal detachment.
Sometimes, after a period of time, the pulling may resolve.
Taiwan E-Hospital, Puzi Hospital, Ophthalmology Department:
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Please note that online responses are for reference only; it is necessary to seek medical attention at a healthcare facility.
I hope to have the opportunity to serve you.
Sincerely,
Gao Pilin

Reply Date: 2021/04/12

More Info

Hello! Thank you for your questions regarding retinal tears and the concerns that arise after laser surgery. I understand that you have multiple inquiries, and I will address each one to provide you with a comprehensive understanding.

1. Post-Laser Black Shadows and Floaters: After undergoing laser treatment for a retinal tear, it is not uncommon to experience visual disturbances such as black shadows or floaters. The appearance of a dark spot that occurs only when you blink could be related to the healing process of the retina or the vitreous gel in your eye. The vitreous humor, which is the gel-like substance filling the eye, can sometimes pull on the retina, especially if there are pre-existing conditions like floaters. This can create transient visual effects. If your doctor has examined your eye and found no issues, it is likely that this is a normal part of the healing process. However, if these symptoms persist or worsen, it is crucial to follow up with your eye care professional.

2. Repeated Retinal Tears and Risk of Blindness: If you experience repeated retinal tears, there is a potential risk of vision loss, particularly if these tears lead to retinal detachment. Laser treatment is designed to seal the tears and prevent further complications, but if new tears develop, they may require additional treatment. It is essential to monitor your symptoms closely and report any sudden changes in vision, such as flashes of light or a significant increase in floaters, to your ophthalmologist immediately.

3. Transient Floaters: The transient appearance of new floaters that disappear quickly can be concerning, but they are often benign. Floaters are typically caused by changes in the vitreous gel as it ages or as it pulls away from the retina. However, if these floaters are accompanied by flashes of light or a sudden increase in the number of floaters, it could indicate a more serious issue, such as a retinal tear or detachment. It is advisable to have any new or unusual visual symptoms evaluated by an eye care professional.

4. Floaters and Retinal Tension: Floaters can indeed be associated with traction on the retina, especially during the process of vitreous detachment. When the vitreous gel pulls away from the retina, it can create the sensation of floaters and may also lead to retinal tears if the traction is significant. It is important to note that while floaters themselves are usually harmless, they can sometimes signal underlying issues that require attention. Regular eye examinations are crucial, especially after experiencing a retinal tear, to ensure that the retina remains healthy and that no new tears develop.

In summary, while some visual disturbances after laser surgery can be normal, it is essential to remain vigilant and communicate any changes to your eye care provider. Regular follow-ups and monitoring are key to maintaining your eye health, especially after experiencing retinal issues. If you have any further questions or concerns, do not hesitate to reach out to your ophthalmologist for personalized advice and care. Thank you for your inquiry, and I wish you the best in your recovery and eye health!

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