Floaters: Why Do Some Experience More Than Others? - Ophthalmology

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Floaters in the eye / Vitreous floaters / Vitreous liquefaction


Thank you, doctor, for your prompt response! I am Kelvin, who raised the issue #162386.
I would like to ask again.
I inquired with a friend who has floaters, and he mentioned that he has had this condition for several years, but he only sees one linear dark shadow, which appears mainly when his eyes are more fatigued.
Why do I, after only a few months, have over ten floaters? When I turn my head, I can see them floating in front of me, although only one or two are more prominent, while the others are transparent, wispy shapes.
Does this indicate that my eyes are degenerating more significantly? Is the risk level higher? Thank you, doctor, for your explanation!

Kelvin, 40~49 year old female. Ask Date: 2020/11/06

Dr. Gao Pilin reply Ophthalmology


Hello Kelvin: The degree and progression of floaters vary for each individual.
Having more floaters does not necessarily mean it is more dangerous; it simply indicates a different level of degeneration.
As long as you observe carefully and seek medical attention promptly if you notice any abnormalities, the risks are actually quite low.
In Taiwan, the ophthalmology department at Puzi Hospital 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 essential to visit a medical facility if necessary.
I hope to have the opportunity to serve you.
Best regards, Gao Pilin.

Reply Date: 2020/11/06

More Info


Floaters, or "muscae volitantes," are small, shadowy shapes that drift across your field of vision. They are typically caused by tiny pieces of debris within the vitreous humor, the gel-like substance that fills the eye. As we age, the vitreous can become more liquid, and these floaters can become more noticeable. However, the experience of floaters can vary significantly from person to person, leading to questions about why some individuals have more floaters than others.

In your case, it sounds like you have been experiencing a significant number of floaters in a relatively short period, while your friend has had a more stable experience with just one noticeable floater. This difference can be attributed to several factors:
1. Age and Eye Health: Floaters are more common as people age, but they can also occur in younger individuals, especially if there are underlying issues. If you are younger than your friend, it doesn't necessarily mean your eyes are "more degenerated." Factors such as genetics, overall eye health, and any previous eye conditions can influence the presence and number of floaters.

2. Vitreous Changes: The vitreous humor can undergo changes that lead to the formation of floaters. In some individuals, the vitreous may pull away from the retina more quickly or more dramatically, leading to a higher number of floaters. This condition is known as posterior vitreous detachment (PVD) and is generally a benign condition, although it can sometimes lead to more serious issues.

3. Eye Strain and Fatigue: You mentioned that your floaters seem to be more noticeable when your eyes are tired. Eye strain can make floaters more apparent, as fatigue can cause your eyes to be less able to filter out these visual disturbances. If you are spending long hours in front of screens or engaging in activities that require intense focus, this could exacerbate the visibility of floaters.

4. Underlying Conditions: Certain medical conditions, such as diabetes or high myopia (nearsightedness), can increase the likelihood of developing floaters. If you have any underlying health issues, it might be worth discussing them with your eye care professional.

5. Psychological Factors: Sometimes, the perception of floaters can be influenced by psychological factors. If you are particularly anxious or focused on your vision, you may become more aware of floaters, making them seem more numerous.

As for the concern about the "dangerous degree" of your floaters, it's important to note that while floaters are usually harmless, a sudden increase in floaters, especially if accompanied by flashes of light or a shadow in your peripheral vision, can indicate a more serious condition, such as a retinal tear or detachment. If you experience any of these symptoms, it is crucial to seek immediate medical attention.

In conclusion, while the presence of multiple floaters can be concerning, it does not necessarily indicate a more severe condition or greater eye degeneration. However, it is always wise to consult with an eye care professional for a comprehensive eye examination to rule out any potential issues and to discuss your symptoms in detail. Regular eye check-ups can help monitor your eye health and provide peace of mind regarding your vision.

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