Eye Flashes: Causes, Symptoms, and Relief Strategies - Ophthalmology

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Flashes of light in the eyes?


Hello Doctor, my myopia is -7.50 diopters, and I have frequently visited the ophthalmology department for check-ups this month.
Currently, there are no issues with my retinal health; however, I have a hole in my left eye that has been treated with laser, and there is some wrinkling above the retina in the same eye.
I have also been experiencing floaters for over a month, and recently, the flashes of light have become more pronounced, especially in dark environments where the flashes in the lower left area are quite bothersome.
However, after a dilated eye exam, no abnormalities were found.
Are there any ways to alleviate or improve this condition? Additionally, I often feel soreness and fatigue around my eyes, but I have adjusted my screen time to less than three hours a day for the past month.
Could there be other underlying conditions? What are some ways to improve this situation? Thank you, Doctor, for your guidance.

Steven, 20~29 year old female. Ask Date: 2022/07/04

Dr. Gao Pilin reply Ophthalmology


Hello Steven: This type of flashing cannot be alleviated.
You can only coexist with it.
Over time, it will gradually improve on its own.
If the soreness and fatigue cannot be relieved, you may use lubricating eye drops and try applying warm compresses.

Reply Date: 2022/07/04

More Info


Understanding eye flashes can be quite complex, especially when considering the various underlying causes and symptoms associated with them. Based on your description, it seems you are experiencing a combination of symptoms including flashes of light, floaters, and discomfort around the eyes, which can be concerning.
Firstly, it’s important to understand what eye flashes are. They are often described as brief bursts of light that can occur in one or both eyes. These flashes can be caused by several factors, including:
1. Vitreous Detachment: As we age, the vitreous gel that fills the eye can shrink and pull away from the retina, leading to flashes of light. This is often accompanied by floaters, which are small specks or strands that drift through your field of vision.

2. Retinal Issues: Flashes can also be a sign of more serious conditions like retinal tears or detachments. Given your history of a retinal hole that has been treated with laser surgery, it’s crucial to monitor any new symptoms closely.

3. Migraine Aura: Even if you do not have a history of migraines, some individuals experience visual disturbances similar to migraine auras, which can include flashes of light.

4. Eye Strain: Prolonged use of digital devices can lead to eye strain, which may cause discomfort and visual disturbances. However, you mentioned that you have limited your screen time, which is a positive step.

5. Dry Eyes: Insufficient tear production can lead to discomfort and visual disturbances. Symptoms of dry eyes can include a gritty sensation, redness, and fatigue.

Regarding your specific situation, since you have already undergone comprehensive eye examinations and your retina appears to be stable, it is reassuring. However, the persistence and increase in the frequency of your flashes, especially in low-light conditions, warrant continued observation. Here are some strategies that may help alleviate your symptoms:
1. Regular Eye Exams: Continue with regular follow-ups with your eye care professional to monitor any changes in your condition. If you notice any sudden changes in your vision, such as a sudden increase in flashes or floaters, seek immediate medical attention.

2. Eye Rest: Ensure you are giving your eyes adequate rest, especially if you are studying or using screens. The 20-20-20 rule can be beneficial: every 20 minutes, look at something 20 feet away for at least 20 seconds.

3. Hydration and Nutrition: Staying hydrated and maintaining a balanced diet rich in omega-3 fatty acids, vitamins A, C, and E can support overall eye health.

4. Eye Drops: If dry eyes are contributing to your discomfort, consider using artificial tears or lubricating eye drops to keep your eyes moist.

5. Warm Compresses: Applying a warm compress to your eyes can help relieve strain and discomfort.

6. Stress Management: Since you mentioned feeling anxious about your symptoms, engaging in stress-reducing activities such as mindfulness, yoga, or gentle exercise may help alleviate some of the tension that could be contributing to your symptoms.

7. Limit Bright Lights: In dark environments, bright lights can exacerbate the perception of flashes. Using softer lighting or adjusting your environment may help reduce discomfort.

In conclusion, while your symptoms can be concerning, many of the causes of eye flashes are benign, especially if your retina is stable. However, it is essential to remain vigilant and maintain open communication with your eye care provider. If your symptoms worsen or new symptoms arise, do not hesitate to seek further evaluation. Your eye health is paramount, and proactive management can help ensure the best possible outcomes.

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