Floaters and Flashes: When to Seek Eye Care - Ophthalmology

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Floaters and flashes?


It seems that you are experiencing symptoms of floaters in your right eye, accompanied by flashes of light.
You mentioned that your right eye has approximately -600 degrees of myopia and that you have already been examined by a doctor, who indicated that there are no significant issues with your retina and that the macula should rest for a few days to see if the flashes persist.
However, the flashes continue, and you are noticing some small black spots that do not flicker when looking at objects.
If the flashes persist, what should you do?

Niming, 10~19 year old female. Ask Date: 2016/01/26

Dr. He Jianxian reply Ophthalmology


If the flashes persist and their frequency increases, or if there is a significant increase in the number of floaters, it is recommended to undergo a dilated eye examination again.

Reply Date: 2016/01/26

More Info


Floaters and flashes are common visual disturbances that many people experience, especially those with myopia (nearsightedness). Floaters are typically caused by changes in the vitreous humor, the gel-like substance that fills the eye, which can become more liquid and form clumps or strands that cast shadows on the retina, appearing as small spots or "flies" in your vision. Flashes, on the other hand, occur when the vitreous pulls on the retina, stimulating it and causing a brief perception of light.

In your case, you mentioned that you have floaters in your right eye, along with persistent flashes and the appearance of black spots. It's good to hear that you've already consulted with a doctor who confirmed that your retina appears healthy. However, the ongoing presence of flashes and the new symptoms you're experiencing warrant further attention.


When to Seek Eye Care
1. Persistent Flashes: If you continue to see flashes of light, especially if they are frequent or increasing in intensity, it's essential to seek further evaluation. Flashes can sometimes indicate that the vitreous is pulling away from the retina, which can lead to more serious conditions such as retinal tears or detachment.

2. New Symptoms: The appearance of new visual phenomena, such as black spots or changes in your vision, should not be ignored. While these may be benign, they can also signal changes in the eye that require monitoring.

3. Changes in Floaters: If you notice a sudden increase in the number of floaters or if they are accompanied by flashes, this could indicate a more serious issue. It's often described as a "shower of floaters," which can be a sign of retinal detachment.


Recommendations
- Follow-Up Appointments: Since you have already had an eye examination, it’s crucial to keep up with follow-up appointments. Your eye doctor may recommend regular monitoring to ensure that your condition does not worsen.

- Visual Rest: If you are experiencing eye strain from prolonged screen time or reading, consider taking regular breaks. The 20-20-20 rule is a good guideline: every 20 minutes, look at something 20 feet away for at least 20 seconds.

- Protective Measures: Ensure that you are protecting your eyes from excessive strain and potential injury. This includes wearing protective eyewear if you are involved in activities that could pose a risk to your eyes.

- Healthy Lifestyle: Maintain a balanced diet rich in antioxidants, such as vitamins C and E, and omega-3 fatty acids, which are beneficial for eye health. Staying hydrated and managing overall health conditions, such as blood pressure and diabetes, is also essential.

- Emergency Signs: Be aware of emergency signs that require immediate medical attention. These include sudden vision loss, a significant increase in floaters or flashes, or a shadow or curtain effect over your vision.


Conclusion
While floaters and flashes can be benign, they can also indicate underlying issues that need to be addressed. Since you are experiencing persistent symptoms, it is advisable to consult with your eye care provider again, especially if your symptoms worsen or new symptoms develop. Regular eye examinations are crucial for monitoring your eye health, particularly with your history of myopia. Always prioritize your eye health and do not hesitate to seek professional advice when in doubt.

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