Flashing Lights Around Eyes When Coughing: What You Need to Know - Ophthalmology

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Flashing lights around the eyes, especially when accompanied by coughing, can be concerning and warrants careful consideration. Based on your description, it seems that you are experiencing flashes of light in your peripheral vision, particularly in the left eye, during episodes of coughing. This phenomenon can be linked to several underlying causes, and understanding these can help alleviate your concerns.

Firstly, the flashes of light you are experiencing could be related to the mechanical effects of coughing on the eye. When you cough forcefully, the pressure in your head and eyes can increase momentarily. This pressure change might lead to transient disturbances in the vitreous gel that fills the eye, causing it to tug on the retina. This tugging can result in the perception of flashes of light, known as photopsia. Given your history of myopia (high nearsightedness) and floaters, your eyes may be more susceptible to these sensations.

It is important to note that while flashes of light can be benign, they can also indicate more serious conditions, particularly in individuals with a history of retinal issues. Since you mentioned that you have been diagnosed with floaters and that your retina is thinner than normal, it is crucial to monitor these symptoms closely. Flashes that are new, persistent, or accompanied by other symptoms such as a sudden increase in floaters, a shadow or curtain effect in your vision, or a significant change in vision should prompt immediate medical attention.

In your case, since the flashes occur primarily during coughing and are not constant, it may be less concerning, especially if you have previously had your retina evaluated and no issues were found. However, the fact that you are experiencing this symptom during a time of illness (COVID-19) adds a layer of complexity. Viral infections can sometimes lead to inflammation or other changes in the body that might affect the eyes, so it’s essential to remain vigilant.

Here are some steps you can take:
1. Monitor Symptoms: Keep a detailed record of when the flashes occur, their frequency, and any other accompanying symptoms. This information will be valuable for your healthcare provider.

2. Avoid Strain: While you are recovering from COVID-19, try to avoid activities that may strain your eyes or increase pressure in your head, such as heavy lifting or intense physical exertion.

3. Stay Hydrated and Rest: Ensure you are well-hydrated and getting enough rest, as fatigue and dehydration can exacerbate visual disturbances.

4. Seek Medical Advice: If the flashes persist or worsen, or if you notice any new symptoms, it is advisable to consult an eye care professional as soon as possible. Even if you cannot go out for an in-person visit, many healthcare providers offer telemedicine consultations that can be beneficial.

5. Emergency Signs: Be aware of emergency signs that require immediate attention, such as sudden vision loss, a significant increase in floaters, or a curtain-like shadow in your vision.

In conclusion, while the flashes you are experiencing may be related to the mechanical effects of coughing, it is essential to remain cautious given your medical history. Regular monitoring and seeking timely medical advice will help ensure that any potential issues are addressed promptly. Take care of your health, and I hope you have a smooth recovery from your illness.