Managing Flashing Lights in Vision: Tips for High Myopia Patients - Ophthalmology

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Flashes of light in the eyes?


Hello Doctor, I have high myopia and floaters.
A few days ago, while exercising, I noticed flashes of light.
I went to see a doctor, who said there was no retinal tear, but the retina is very thin.
If it continues to be pulled, it could lead to flashes and potentially cause a retinal tear.
After returning home, I stopped all jumping and running activities, but I still see flashes when going up and down stairs.
Is there any way to improve this? I'm very worried that a moment of inattention could lead to a retinal tear.

Ahn, 20~29 year old female. Ask Date: 2021/08/16

Dr. Gao Pilin reply Ophthalmology


Hello, Ahn: Currently, there is no way to improve the situation; it can only be allowed to gradually resolve on its own and will eventually disappear.
During this period, it is necessary to avoid vigorous movements, but general activities are still permissible.
Prevention is better than treatment, so it is best to exercise caution.
Online responses can only serve as a reference; if necessary, it is important to seek medical attention at a healthcare facility.
Gao Pilin.

Reply Date: 2021/08/16

More Info


Managing flashing lights in vision, especially for individuals with high myopia, can be a concerning issue. High myopia, defined as a refractive error greater than -6.00 diopters, is associated with various ocular complications, including retinal detachment, macular degeneration, and the presence of floaters. The symptoms you describe—flashing lights and the persistent worry about retinal health—are not uncommon among those with high myopia.

Firstly, it is essential to understand the underlying mechanisms of these symptoms. The flashes of light you are experiencing are often due to the vitreous gel in the eye pulling on the retina, which can happen as the vitreous body undergoes changes with age or due to myopic degeneration. This phenomenon is known as "posterior vitreous detachment" (PVD). While PVD is a common occurrence and can be benign, it is crucial to monitor for any signs of retinal tears or detachment, which can lead to more severe vision problems.

Given that your doctor has already performed a thorough examination and found no retinal tears, it is reassuring. However, your concern about the thinness of the retina and the potential for further complications is valid. Here are some strategies to manage your symptoms and reduce anxiety:
1. Limit High-Risk Activities: As you have already done, avoiding activities that involve heavy lifting, vigorous exercise, or any movements that could jolt the head is wise. This includes running, jumping, and even certain types of sports that may increase the risk of trauma to the eye.

2. Regular Monitoring: Continue to have regular eye examinations with your ophthalmologist. If you notice any changes in your symptoms—such as an increase in the frequency or intensity of the flashes, new floaters, or a shadow in your vision—seek immediate medical attention. It’s better to err on the side of caution.

3. Stress Management: Anxiety about your eye health can exacerbate your symptoms. Engaging in stress-reducing activities such as yoga, meditation, or deep-breathing exercises can help manage your overall anxiety levels. Maintaining a healthy lifestyle with adequate sleep, nutrition, and hydration can also support your eye health.

4. Visual Hygiene: Ensure that you take regular breaks when using screens or reading. The 20-20-20 rule is a good practice: every 20 minutes, look at something 20 feet away for at least 20 seconds. This can help reduce eye strain, which may contribute to your symptoms.

5. Consultation for Additional Treatments: If your symptoms persist or worsen, discuss with your ophthalmologist the possibility of preventive treatments. While not all cases of flashing lights require intervention, there may be options available depending on the specific findings during your examinations.

6. Educate Yourself: Understanding your condition can help alleviate fears. High myopia is a manageable condition, and many people live with it successfully. Familiarize yourself with the signs of complications, so you know when to seek help.

In conclusion, while flashing lights can be alarming, especially for those with high myopia, many cases are benign. By following your doctor's advice, monitoring your symptoms, and managing stress, you can navigate this condition more comfortably. Always prioritize open communication with your healthcare provider, and do not hesitate to seek further evaluations if your symptoms change.

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