What is floaters in the eyes?
Hello Doctor, I visited an ophthalmologist today because I initially saw floaters, which seemed real, but upon closer inspection, I felt like there was a black dot drifting or a sensation similar to seeing plankton when I moved my eyes.
Interestingly, it doesn't seem to affect me much when I'm not trying to look for it.
The doctor examined me and said that it doesn't appear to be serious at the moment, but if I'm concerned, I could undergo a dilated eye exam, which he suggested would be better to do in the evening.
Additionally, I’m not quite sure what the doctor meant by asking if I see "flashes." Does it mean seeing actual lightning that appears in front of me for a long time? I said no at the time and described my previous reactions.
Now that I think about it, sometimes when I blink, I feel like I see a flash of light...
I wonder if these two sensations are related, but I only notice it when I blink intentionally.
Lastly, I would like to ask about a medication prescribed by the ophthalmologist, which is a biomycin ointment.
Is it okay if it accidentally gets on my eyeball? The doctor instructed me to apply it to the area where he squeezed out the stye before bed.
I apologize for bothering you and hope you can help clarify these concerns.
Thank you.
amanda, 20~29 year old female. Ask Date: 2020/06/24
Dr. Gao Pilin reply Ophthalmology
Hello Amanda: Lightning refers to the appearance of flashes of light.
Constantly blinking can also trigger the vitreous to pull on the retina, resulting in the perception of flashes.
This is a signal indicating that the vitreous is exerting traction on the retina, which can sometimes lead to a retinal tear, so a dilated fundus examination is necessary.
If the ointment is for external use and not for ophthalmic use, it is best not to get it in the eyes, as it may cause discomfort, but it is generally harmless to the eyes.
In Taiwan, the ophthalmology department at Puzi Hospital is open 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 should only be used as a reference; it is essential to seek medical care at a healthcare facility when necessary.
I hope to have the opportunity to serve you.
Gao Pilin
Reply Date: 2020/06/24
More Info
Understanding eye floaters and flashing lights can be quite concerning, especially for individuals with a history of myopia or other eye conditions. Based on your description, it seems you are experiencing both floaters and occasional flashes of light, which can be common symptoms associated with changes in the vitreous gel of the eye.
Eye Floaters:
Floaters are small specks or strands that drift through your field of vision. They are often more noticeable when looking at a plain background, such as a clear sky or a white wall. Floaters are typically caused by age-related changes in the vitreous, the gel-like substance that fills the eye. As we age, the vitreous can become more liquid, and tiny fibers within it can clump together, casting shadows on the retina, which we perceive as floaters. In your case, since your eye doctor has indicated that there is no serious issue at present, it is likely that your floaters are benign. However, if you notice a sudden increase in floaters or if they are accompanied by flashes of light or a shadow in your vision, it is essential to seek immediate medical attention, as these could be signs of retinal detachment.
Flashing Lights:
Flashes of light, often described as "lightning streaks" or "flashes," occur when the vitreous gel pulls on the retina. This pulling can stimulate the retina and create the perception of light. Flashes can be transient and may occur more frequently in low-light conditions or after sudden movements. The fact that you sometimes notice flashes when blinking or moving your eyes is not uncommon. These flashes are usually harmless, but they can be alarming, especially if they occur frequently or are accompanied by other symptoms like a sudden increase in floaters or a curtain-like shadow in your vision.
When to Seek Help:
While occasional floaters and flashes are generally not a cause for concern, it is crucial to monitor your symptoms. If you experience any of the following, you should contact your eye doctor immediately:
- A sudden increase in the number of floaters.
- Flashes of light that become more frequent or intense.
- A shadow or curtain effect in your peripheral vision.
- Any sudden changes in your vision, such as blurriness or loss of vision.
Regarding the Biomycin Ointment:
Biomycin ointment is an antibiotic ointment often used to treat infections of the eye or eyelid. If your doctor has prescribed it for a specific condition, such as a stye or conjunctivitis, it is generally safe to apply it as directed. However, care should be taken to avoid getting the ointment directly in the eye, as it can cause irritation. If you accidentally apply it to the eyeball, rinse your eye gently with clean water or saline solution and consult your doctor if you experience any discomfort or vision changes.
In conclusion, while floaters and flashes can be concerning, they are often benign, especially if your recent eye examination showed no significant issues. Keep an eye on your symptoms, and do not hesitate to reach out to your eye care provider if you have any concerns. Regular check-ups are essential, especially for individuals with high myopia or other risk factors for retinal issues.
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