Eye Flashes: When to Seek Medical Attention - Ophthalmology

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When it comes to experiencing flashes of light in your vision, especially in conjunction with other symptoms like eye pain, fatigue, or visual disturbances, it is essential to approach the situation with a clear understanding of potential underlying causes and when to seek medical attention.

Based on your description, you have previously been diagnosed with dry eye syndrome and pseudomyopia, and you have recently started experiencing flashes of light in your left eye, particularly when looking at a white wall. This phenomenon, along with the water-like wave patterns you mentioned, can be concerning, especially since it is a new symptom for you.

Flashes of light in the visual field can occur for several reasons, and understanding these can help you determine whether further medical evaluation is necessary:
1. Vitreous Detachment: As we age, the vitreous gel inside the eye can begin to shrink and pull away from the retina. This process can cause flashes of light, often described as "lightning streaks." While this is a common occurrence, it can sometimes lead to more serious conditions like retinal tears or detachments.

2. Retinal Issues: Flashes can also indicate potential problems with the retina, such as retinal tears or detachment. These conditions can lead to significant vision loss if not treated promptly. Symptoms may include seeing flashes of light, an increase in floaters, or a shadow or curtain effect over your vision.

3. Visual Fatigue: As your doctor mentioned, visual fatigue can cause temporary disturbances in vision, including flashes or wave-like patterns. This is often exacerbated by prolonged screen time or focusing on a single point for too long.

4. Migraine Aura: Even if you do not have a history of migraines, some individuals experience visual disturbances known as aura, which can include flashes of light or zigzag patterns. These symptoms can occur without a headache.

5. Other Neurological Issues: In rare cases, flashes of light can be associated with neurological conditions. If you experience other symptoms such as headaches, dizziness, or changes in coordination, it is crucial to seek medical attention.

Given that you have a history of eye discomfort and are now experiencing new symptoms, it is advisable to consult with an eye care professional again. While it is understandable to feel anxious about your symptoms, especially with a tendency to worry about health issues, it is better to err on the side of caution when it comes to eye health.
When you visit your eye doctor, be sure to provide a detailed account of your symptoms, including when they occur, their duration, and any other accompanying sensations. This information will help the doctor assess your condition more accurately. They may perform a comprehensive eye examination, including a dilated fundus exam, to check for any retinal issues or other abnormalities.

In summary, while visual fatigue can explain some of your symptoms, the appearance of flashes of light—especially if they are new—should not be ignored. It is always better to seek reassurance from a medical professional than to risk overlooking a potentially serious condition. Your eye health is paramount, and timely intervention can make a significant difference in outcomes.