Vitreous Opacity: Causes and Effects on Vision - Ophthalmology

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Retinal laser treatment


Hello, doctor.
I would like to ask another question.
Vitreous opacities are a common sign of vitreous diseases.
Proliferation of vitreous fibrous tissue, primarily manifested as the formation of fibrous membranes or strands within the vitreous, can often be associated with the retina, leading to tractional retinal detachment.
Other pathological changes will be discussed in the context of specific diseases.
The previous text is an article I found online.
My eyes have developed very severe shadows after retinal laser treatment, and I have seen many doctors.
I would like to know if the numerous floaters I am experiencing could be caused by the condition described above, specifically the formation of fibrous membranes or strands within the vitreous.
Thank you.

Danxin de ren, 20~29 year old female. Ask Date: 2021/06/04

Dr. Gao Pilin reply Ophthalmology


Hello, concerned individual: Floaters, or myodesopsia, are related to the proliferation of vitreous fibers.
It cannot be definitively concluded whether they are associated with laser treatment; what can be confirmed is that this is a degeneration of the vitreous body, which may be related to individual constitution.
Online responses should only be taken as references; it is essential to seek medical attention at a healthcare facility if necessary.
I hope to have the opportunity to assist you.
Gao Pi-Lin

Reply Date: 2021/06/04

More Info


Vitreous opacity, commonly referred to as floaters, is a condition that can significantly affect one's vision. It is often associated with the aging process, but can also result from various eye conditions, including retinal detachment, inflammation, or trauma. In your case, the presence of severe floaters following retinal laser treatment suggests that there may be underlying changes in the vitreous gel, which can lead to the formation of fibrous membranes or strands within the vitreous cavity.

The vitreous body is a gel-like substance that fills the space between the lens and the retina in the eye. As we age, the vitreous can undergo changes, becoming more liquid and less gel-like, which can lead to the development of floaters. These floaters can appear as small dots, lines, or cobweb-like structures that drift across your field of vision. They are usually harmless, but they can be bothersome, especially if they are numerous or if they obstruct vision.

In your situation, the severe floaters you are experiencing could indeed be related to the fibrous membranes or strands mentioned in the article you found. After retinal laser treatment, the vitreous may become more adherent to the retina, and any traction or pulling on the retina can lead to the formation of these fibrous structures. This is particularly concerning because, as you noted, these fibrous membranes can increase the risk of tractional retinal detachment, a serious condition that can lead to permanent vision loss if not treated promptly.

It is essential to monitor your symptoms closely. If you notice an increase in the number of floaters, flashes of light, or a shadow or curtain effect in your vision, you should seek immediate medical attention. These symptoms could indicate a retinal tear or detachment, which requires urgent intervention.

In terms of treatment, if the floaters are not significantly impairing your vision, many doctors recommend a wait-and-see approach, as they often become less noticeable over time. However, if the floaters are severe and affecting your quality of life, a procedure called vitrectomy may be considered. This surgery involves removing the vitreous gel along with the floaters, but it carries risks, including retinal detachment and cataract formation.

Additionally, it is worth noting that there are ongoing studies exploring the use of pharmacological treatments for vitreous opacities. Some researchers are investigating the potential of certain eye drops to help dissolve floaters or improve vitreous clarity, but these treatments are still in the experimental stages and not widely available.

In conclusion, your experience with severe floaters following retinal laser treatment could indeed be related to the formation of fibrous membranes within the vitreous. It is crucial to remain vigilant about any changes in your vision and to maintain regular follow-ups with your eye care provider. They can provide you with the best guidance tailored to your specific situation and help you navigate the potential risks associated with vitreous opacities.

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