Retinal Issues: Flashing Lights and Eye Health - Ophthalmology

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Retinal issues


Hello, doctor.
I was just blinded by a motorcycle headlight.
I was wearing glasses at the time, and after being exposed to the light, I experienced flashes in my vision that lasted about 2 to 3 minutes before completely disappearing.
I had experienced this before, but it hadn't occurred for about 2 to 3 months.
Previously, I was diagnosed with retinal degeneration, and during several check-ups, the doctor mentioned that it was well-controlled.
Is it sufficient to just have regular check-ups? Thank you, doctor.

Hei Hei, 10~19 year old female. Ask Date: 2018/02/15

Dr. Cai Wenyuan reply Ophthalmology


Hello, regular check-ups are sufficient.
Thank you.
Wishing you peace and health.
Sincerely, Dr.
Tsai Wen-Yuan, Director of the Department of Ophthalmology, Taoyuan General Hospital, Ministry of Health and Welfare.

Reply Date: 2018/02/15

More Info


Hello! It sounds like you are experiencing some concerning visual symptoms, particularly flashing lights after exposure to bright lights, which can be quite alarming. Given your history of retinal degeneration and previous eye examinations, it’s essential to approach this situation with caution and awareness.

Flashing lights in your vision, especially after being exposed to bright lights like motorcycle headlights, can be related to several factors, including retinal issues. The phenomenon you described, where you see flashes that last for a few minutes, is often associated with the stimulation of the retina or the vitreous gel inside the eye. When the vitreous gel pulls away from the retina, it can create sensations of light flashes, which can be more noticeable in low-light conditions or after exposure to bright lights.

Since you mentioned that you have a history of retinal degeneration, it is crucial to monitor these symptoms closely. While it is reassuring that your previous examinations indicated that your retinal condition is being well-managed, any new or recurring symptoms should not be taken lightly. Regular check-ups with your eye care professional are essential, especially given your history. These visits allow for ongoing monitoring of your retinal health and can help catch any potential issues early.

In terms of managing your symptoms, here are some recommendations:
1. Regular Eye Exams: Continue with your scheduled eye examinations. Your eye doctor can perform tests to monitor the health of your retina and vitreous. If you notice any changes in your vision, such as an increase in the frequency or intensity of the flashes, you should contact your eye doctor immediately.

2. Protect Your Eyes: Since bright lights seem to trigger your symptoms, consider wearing sunglasses with UV protection when outdoors or in bright environments. This can help reduce glare and protect your eyes from excessive light exposure.

3. Limit Screen Time: If you spend a lot of time on screens, ensure you take regular breaks to reduce eye strain. The 20-20-20 rule is helpful: every 20 minutes, look at something 20 feet away for at least 20 seconds.

4. Stay Hydrated and Maintain a Healthy Diet: Proper hydration and nutrition can support overall eye health. Foods rich in antioxidants, such as leafy greens, carrots, and fish high in omega-3 fatty acids, can be beneficial for retinal health.

5. Monitor Symptoms: Keep a log of your symptoms, including when they occur and any potential triggers. This information can be valuable for your eye doctor during your visits.

6. Consult a Specialist: If your symptoms persist or worsen, consider consulting a retinal specialist. They can provide a more in-depth evaluation and discuss potential treatments or interventions if necessary.

In conclusion, while occasional flashes of light can be benign, given your history of retinal degeneration, it is essential to remain vigilant and proactive about your eye health. Regular check-ups and open communication with your eye care provider are key to managing your condition effectively. If you have any further questions or concerns, don’t hesitate to reach out to your healthcare provider. Your vision is invaluable, and taking steps to protect it is crucial.

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