Eye Shadows: Is It Floaters or Something More? - Ophthalmology

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Black spots in the eyes?


You have high myopia of approximately 1000 degrees in both eyes.
Last October, you underwent laser treatment for a retinal tear in your right eye, while your left eye is being monitored with follow-up appointments every three months.
A month ago, your doctor advised you to maintain observation.
However, this morning you noticed a small shadow in the center of your left eye, slightly to the right, resembling a floater, which disappears after about 10 seconds.
It does not appear next to light sources, and you do not see any distortion when looking at a grid paper.
You experience this every time you open your eyes.
Is this a floater? Should I schedule an earlier appointment before my next visit in June?

Qz, 20~29 year old female. Ask Date: 2021/04/25

Dr. Gao Pilin reply Ophthalmology


Hello Qz: Based on your description, it seems you are experiencing floaters.
If the condition remains the same, you can return for a follow-up appointment as scheduled.
However, if there are any changes, you should come in for an earlier visit.
The ophthalmology department at Puzi Hospital in Taiwan is open on Monday, Tuesday, Thursday, and Friday mornings from 8:00 AM to 12:00 PM, and on Wednesday afternoons from 2:00 PM to 4:30 PM.
Please note that online responses are for reference only; it is essential to seek medical attention at a healthcare facility if necessary.
I hope to have the opportunity to assist you.
Best regards, Gao Pilin.

Reply Date: 2021/04/25

More Info


Based on your description, it seems that you are experiencing symptoms that could potentially be related to floaters, which are often associated with conditions like myopia (nearsightedness) and retinal issues. Given your history of high myopia and a previous retinal tear in your right eye, it is essential to approach this situation with caution.

Floaters are small, shadowy shapes that can appear in your field of vision. They are typically caused by tiny clumps of gel or cells inside the vitreous, the clear gel-like substance that fills the eye. As we age or in cases of high myopia, the vitreous can become more liquid, and these clumps can cast shadows on the retina, which is perceived as floaters. The fact that you mentioned seeing a shadow that disappears after a few seconds aligns with common experiences of floaters.

However, the presence of new or changing visual symptoms, especially in someone with a history of retinal issues, warrants careful consideration. The fact that you are experiencing this shadow in your left eye, particularly after having a retinal tear in your right eye, raises some concerns. While floaters themselves are usually benign, they can sometimes indicate more serious conditions, such as retinal detachment or a new tear, especially if they are accompanied by flashes of light, a sudden increase in floaters, or a shadow in your peripheral vision.

In your case, since you have a significant degree of myopia and a history of retinal issues, it is advisable to err on the side of caution. If you notice any changes in your vision, such as an increase in the number of floaters, flashes of light, or a curtain-like shadow over your vision, you should seek immediate medical attention. Given that you have an upcoming appointment in June, it may be prudent to contact your eye care provider sooner to discuss your symptoms. They may recommend an earlier examination to ensure that there are no new developments in your retina that require intervention.

In summary, while what you are experiencing may be related to floaters, the context of your eye health history necessitates a thorough evaluation by an eye care professional. It is always better to be proactive when it comes to eye health, especially with your background of high myopia and previous retinal treatment. If you have any doubts or if your symptoms worsen, do not hesitate to reach out to your eye doctor for advice and possible early intervention.

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