Eye Symptoms: Are You Seeing Real Flies or Floaters? - Ophthalmology

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Eye-related issues consultation?


Hello, Doctor Gao.
I would like to ask if it is normal for a person to sometimes have difficulty tracking small fruit flies in flight.
I initially thought I had floaters, but it seems that there are indeed insects, as my family members have also seen them.
Sometimes, I feel like my eyes can't keep up with their speed, and then they disappear.
My family says that the floaters they see don't move that quickly.
Is that true? After my family members underwent cataract surgery, they experienced floaters and mentioned that their symptoms are different from mine, suggesting that what I see is real.
I would like to ask if I need to undergo a fundus examination or if I should wait for more obvious symptoms.
Additionally, can such examinations be done during the day, and is it necessary to go to a large hospital for the equipment? I apologize for bothering you during the holiday.
Thank you.

Ming, 10~19 year old female. Ask Date: 2020/06/25

Dr. Gao Pilin reply Ophthalmology


Hello Ming: Floaters can be examined by any ophthalmologist at any time, but the examination is not to see the floaters in the eye, but to check for any retinal abnormalities.
You can go for an examination, and if everything is normal, you can monitor it yourself.
You may refer to the following link for the ophthalmology department at Puzi Hospital in Taiwan: https://bit.ly/3dCu921.
The hours are Monday, Tuesday, Thursday, and Friday from 8:00 AM to 12:00 PM, and Wednesday from 2:00 PM to 4:30 PM.
Online responses can only serve as a reference; it is still necessary to seek medical care at a healthcare facility if needed.
I hope to have the opportunity to serve you.
Gao Pilin

Reply Date: 2020/06/25

More Info


Hello! Thank you for your detailed inquiry regarding your eye symptoms. It’s understandable to feel anxious when experiencing unusual visual phenomena, especially when it comes to distinguishing between real insects and floaters, or "flying mosquitoes" as you referred to them.

Firstly, it’s important to clarify the difference between floaters and actual insects. Floaters are tiny specks or strands that drift through your field of vision, often more noticeable against a bright background. They are typically caused by changes in the vitreous gel that fills the eye, which can become more liquid with age, leading to the formation of these shadows. On the other hand, if you and your family are seeing actual insects, it’s possible that they are indeed present in your environment.
Regarding your concern about whether your symptoms indicate a need for an eye examination, it is always prudent to consult with an eye care professional if you notice any changes in your vision or if you have persistent symptoms. If you are experiencing visual disturbances that are new or have changed in nature, such as seeing things that others do not, it would be wise to have a comprehensive eye examination.
During an eye exam, your eye doctor can perform several tests, including a dilated fundus examination, which allows them to look at the back of your eye, including the retina and vitreous. This is particularly important if you have a history of eye issues or if you experience symptoms like flashes of light, sudden increase in floaters, or any loss of vision, as these could indicate more serious conditions such as retinal detachment.

As for the timing of the examination, most eye exams can be performed during the day, and you do not necessarily need to go to a large hospital. Many optometrists and ophthalmologists in private practices have the necessary equipment to conduct thorough eye examinations. It’s advisable to call ahead and confirm that they can perform the specific tests you may need.

In terms of your family member’s experience post-cataract surgery, it is not uncommon for patients to notice floaters after such procedures. This can be due to changes in the vitreous gel or the eye's internal environment following surgery. Each person's experience can vary significantly, which is why your symptoms may feel different from theirs.

In summary, if you are uncertain about what you are seeing, or if your symptoms persist or worsen, it is best to seek a professional evaluation. Early detection of any potential issues is crucial for maintaining eye health. Remember, it’s always better to err on the side of caution when it comes to your vision.
Take care, and don’t hesitate to reach out to an eye care professional for further guidance!

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