Eye Flashes: When to Seek Help and Self-Care Tips - Ophthalmology

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Hello, doctor.
Recently, due to insomnia and vacation, I have been using my eyes more than usual.
In the past week, when I turn off the lights to sleep at night, I have noticed flashes about three times.
I'm not sure if this is caused by the moment I open or close my eyes or if I am actually seeing flashes.
I came across a recent Q&A that resembles my situation, where you mentioned that flashes can occur due to the vitreous being in an unstable state.
If these are indeed flashes, can I adjust my screen time and sleep schedule without seeing an ophthalmologist to prevent it from worsening? What should I pay attention to?

Niming, 10~19 year old female. Ask Date: 2015/09/07

Dr. Gao Pilin reply Ophthalmology


Hello: In this situation, it is essential to see a physician at least once to ensure there are no issues before proceeding with observation.
There can indeed be subsequent complications such as retinal tears or detachments, so caution is necessary.
Taiwan E-Hospital Puzi Hospital Ophthalmology: Monday to Friday from 8:00 AM to 12:00 PM and Wednesday afternoon from 1:00 PM to 4:30 PM.
We hope to have the opportunity to serve you.
Gao Pi-Lin.

Reply Date: 2015/09/07

More Info


Understanding eye flashes can be quite concerning, especially when they occur frequently or are accompanied by other visual disturbances. Based on your description, it seems that you have been experiencing flashes of light, particularly when transitioning between states of consciousness, such as closing your eyes to sleep. This phenomenon can often be attributed to the vitreous humor in the eye, which can become unstable and pull on the retina, leading to the perception of flashes.


Causes of Eye Flashes
1. Vitreous Detachment: As we age, the vitreous gel that fills the eye can shrink and pull away from the retina. This process can create the sensation of flashes of light, especially in dim lighting conditions.


2. Retinal Issues: While less common, flashes can also indicate more serious conditions such as retinal tears or detachment. These conditions can lead to significant vision loss if not treated promptly.

3. Migraine Aura: Some individuals experience visual disturbances, including flashes of light, as part of a migraine aura, even if they do not have a history of migraines.

4. Eye Strain: Prolonged use of screens or reading can lead to eye strain, which may exacerbate the perception of flashes or other visual disturbances.


When to Seek Help
It is crucial to seek medical attention if you experience any of the following:
- A sudden increase in the frequency or intensity of flashes.

- The appearance of new floaters or a sudden change in vision.

- A shadow or curtain effect in your peripheral vision.

- Any significant discomfort or pain in the eye.

If your recent flashes are infrequent and not accompanied by other symptoms, it may be reasonable to monitor the situation. However, if you have any doubts or if the symptoms worsen, it is always best to consult an eye care professional.


Self-Care Tips
1. Adjust Screen Time: Since you mentioned increased screen time, try to implement the 20-20-20 rule: every 20 minutes, look at something 20 feet away for at least 20 seconds. This can help reduce eye strain.

2. Improve Sleep Hygiene: Ensure you are getting adequate sleep, as fatigue can exacerbate visual disturbances. Establish a regular sleep schedule and create a calming bedtime routine.

3. Stay Hydrated: Dehydration can affect eye health, so make sure to drink plenty of water throughout the day.

4. Limit Bright Light Exposure: When transitioning from bright environments to dark ones, give your eyes time to adjust. Sudden changes in lighting can trigger flashes.

5. Eye Exercises: Gentle eye exercises can help alleviate strain. For example, rolling your eyes or focusing on different distances can be beneficial.

6. Healthy Diet: Incorporate foods rich in antioxidants, omega-3 fatty acids, and vitamins A, C, and E, which are known to support eye health.


Conclusion
While occasional flashes of light can be benign, it is essential to remain vigilant about your eye health. Monitoring your symptoms and making lifestyle adjustments can help mitigate the frequency and intensity of these occurrences. However, if you notice any changes or if the flashes become more pronounced, do not hesitate to seek professional evaluation. Your vision is invaluable, and early intervention can prevent potential complications.

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