Eye Flashes: Causes and When to Seek Help - Ophthalmology

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Eye flashes can be a concerning symptom, especially when they occur frequently or are accompanied by other visual disturbances. Based on your description, it seems you are experiencing flashes of light, particularly a blue-purple arc in your peripheral vision, which started in your right eye and has now affected your left eye as well. Given your history of retinal issues, including a laser treatment for a retinal tear and symptoms of floaters and vitreous degeneration, it is essential to understand the potential causes and when to seek further medical attention.


Possible 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 lead to flashes of light, particularly when the vitreous tugs on the retina. This is often described as seeing flashes of light in the peripheral vision.

2. Retinal Tear or Detachment: If the vitreous pulls too hard on the retina, it can cause a tear. This is a serious condition that can lead to retinal detachment, which requires immediate medical attention. Symptoms may include sudden flashes of light, an increase in floaters, or a shadow or curtain over your vision.

3. Migraine Auras: Even without a history of migraines, some individuals can experience visual disturbances similar to migraine auras. These can include flashes of light or zigzag patterns, often triggered by stress or fatigue.

4. Ocular Hypertension or Glaucoma: Increased pressure in the eye can sometimes cause visual disturbances, including flashes of light. Regular eye exams can help monitor this condition.

5. Anxiety and Stress: Psychological factors can also contribute to visual sensitivity. If you are feeling particularly anxious or stressed, this might heighten your awareness of visual phenomena, making you more sensitive to flashes or reflections.


When to Seek Help
Given your recent eye examination and the presence of a retinal tear, it is crucial to monitor your symptoms closely. Here are some guidelines on when to seek further medical evaluation:
- Increased Frequency or Intensity: If the flashes become more frequent or intense, or if you notice new symptoms such as a significant increase in floaters or a shadow in your vision, you should seek immediate medical attention.

- Duration of Symptoms: If the flashes last longer than a few minutes or are persistent, this could indicate a more serious issue that requires evaluation.

- Associated Symptoms: If you experience any other symptoms such as blurred vision, loss of peripheral vision, or any sudden changes in your vision, it is essential to consult an eye care professional promptly.


Recommendations
1. Follow-Up Appointment: Given your history of retinal issues, it would be prudent to schedule a follow-up appointment with your ophthalmologist. They may recommend a dilated eye exam to assess the retina and vitreous more thoroughly.

2. Document Symptoms: Keep a record of when the flashes occur, their duration, and any associated symptoms. This information can be helpful for your eye care provider.

3. Manage Stress: Since you mentioned feeling anxious, consider stress management techniques such as mindfulness, relaxation exercises, or talking to a professional if anxiety is affecting your daily life.

4. Avoid Strain: Ensure you are taking regular breaks from screens and giving your eyes time to rest, especially during periods of intense study or work.

In conclusion, while occasional flashes of light can be benign, your specific history and the nature of your symptoms warrant careful monitoring and potentially further evaluation. Always prioritize your eye health and do not hesitate to seek help if you feel something is not right.