Floaters: Symptoms, Causes, and Eye Care Tips

Floaters issue

Hello Doctor, I have been experiencing some issues lately.
1.
When I look at the sky, I see small bright white lights and a dark mist that seems to be rapidly dispersing (this only happens when looking at the sky or brighter areas).
I also feel like there is something swirling when I look at the playground or grass, but I don't see the dark mist there, and it doesn't occur indoors.
I'm not sure if this is due to eye strain from excessive use, especially since I have been studying for exams recently.
I hope you can provide some insight, as I am concerned about retinal detachment, although my floaters have not increased recently.
2.
My eyes sometimes feel very dry, and I experience tearing and pain.
3.
I have one more question: what happens if I use a cooling eye drop that contains preservatives? Thank you, Doctor!

Yun Er, 10~19 year old female. Ask Date: 2018/04/30

Dr. Cai Wenyuan reply Ophthalmology

Hello, the likelihood of retinal detachment is low.
However, if the symptoms persist, it is advisable to seek medical examination.
Wishing you safety and health.
Sincerely, Dr.
Tsai Wen-Yuan, Director of Ophthalmology, Taoyuan General Hospital, Ministry of Health and Welfare.

Reply Date: 2018/04/30

More Info

Understanding floaters and other visual disturbances can be quite concerning, especially when you are experiencing new symptoms. Let's break down your concerns and provide some insights into what you might be experiencing.

1. Visual Symptoms: You mentioned seeing bright white spots and a black mist when looking at the sky or bright surfaces. This phenomenon could be related to several factors, including the presence of floaters, which are tiny clumps of gel or cells inside the vitreous (the gel-like substance that fills the eye). Floaters can cast shadows on the retina, leading to the perception of spots or lines in your vision. The fact that you only notice these symptoms in bright environments suggests that they may be more pronounced under certain lighting conditions.
Additionally, the sensation of something swirling or moving could be related to the movement of the vitreous gel itself, especially if you have a history of floaters. While you mentioned that your floaters have not increased, it’s important to monitor any changes in your vision. If you experience sudden increases in floaters, flashes of light, or a shadow in your peripheral vision, these could be signs of retinal detachment, which is a medical emergency.

2. Dry Eyes: You also noted experiencing dry eyes that can lead to tearing and discomfort. Dry eye syndrome is common, especially among individuals who spend long hours studying or using screens. This condition can cause a variety of symptoms, including a gritty sensation, burning, and excessive tearing as the eyes attempt to compensate for dryness. To alleviate dry eye symptoms, consider the following tips:
- Use artificial tears or lubricating eye drops to keep your eyes moist.

- Take regular breaks using the 20-20-20 rule: every 20 minutes, look at something 20 feet away for at least 20 seconds.

- Ensure your environment is not too dry; using a humidifier can help.

- Stay hydrated by drinking plenty of water.

3. Eye Drops with Preservatives: Regarding your question about preservative-containing eye drops, these can sometimes cause irritation, especially with frequent use. Preservatives are added to eye drops to prevent bacterial growth, but they can also lead to toxicity in the eye over time, particularly in individuals with sensitive eyes or those who use eye drops multiple times a day. If you find that your eyes feel irritated after using these drops, you might want to consider preservative-free alternatives, which are gentler on the eyes.

In conclusion, while your symptoms may be related to common issues such as floaters and dry eyes, it is essential to remain vigilant. If you notice any sudden changes in your vision or if your symptoms worsen, it is crucial to seek an eye examination from a qualified ophthalmologist. Regular check-ups can help monitor your eye health, especially given your history of floaters and the potential for other eye conditions. Remember, maintaining good eye care practices and being aware of your symptoms can significantly contribute to your overall eye health.

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