Seeing Purple Light: Visual Disturbances and Eye Health - Ophthalmology

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Seeing purple light or experiencing visual disturbances can be concerning, especially for individuals with pre-existing eye conditions such as floaters or those who have undergone laser surgery. Your description of seeing a fleeting purple light on various surfaces, such as walls or floors, raises several important considerations regarding your eye health.

Firstly, it is essential to understand that visual disturbances can stem from various causes, including but not limited to, changes in the vitreous gel of the eye, retinal issues, or even neurological factors. Given your history of floaters, which are often benign and related to the aging process of the vitreous, it is possible that the purple light you are seeing is a form of visual phenomenon associated with these floaters. Floaters can cast shadows on the retina, and under certain lighting conditions, these shadows may appear as flashes or spots of color, including purple.

The transient nature of the purple light you describe suggests that it may not be a persistent issue, which is often a good sign. However, the fact that you are experiencing this phenomenon intermittently over the past few months warrants further investigation. While it could be benign, any new visual disturbances should be evaluated to rule out more serious conditions, such as retinal tears or detachments, especially since you have had laser treatment in the past.

In terms of your upcoming eye examination at a larger hospital, it is understandable that you may find it inconvenient. However, if the purple light persists or worsens, or if you experience additional symptoms such as flashes of light, a sudden increase in floaters, or changes in your peripheral vision, it would be prudent to seek an earlier evaluation. Visiting a nearby clinic could be beneficial for a preliminary assessment. An eye care professional can perform a thorough examination, including a dilated fundus exam, to check the health of your retina and vitreous.

Additionally, it is worth considering the role of your eyeglasses. If your prescription has changed or if the lenses are scratched or damaged, this could potentially contribute to visual distortions. Ensuring that your eyewear is up to date and in good condition is an important aspect of maintaining clear vision.

In summary, while seeing fleeting purple light may not be an immediate cause for alarm, it is crucial to monitor the situation closely. If you notice any changes or if the phenomenon becomes more frequent, do not hesitate to seek medical advice sooner rather than later. Your eye health is paramount, and timely intervention can prevent potential complications. It is always better to err on the side of caution when it comes to vision-related issues.