Seeing Colored Light Spots: Is It a Retina Issue? - Ophthalmology

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Seeing colored light spots, especially in the context of existing eye conditions like myopia and floaters, can understandably cause concern. Based on your description, it seems you are experiencing visual phenomena that could be related to several factors, including your existing myopia, the presence of floaters, and possibly even the effects of screen time.

Firstly, it’s important to understand that seeing colored light spots, particularly when looking at bright backgrounds or screens, can sometimes be attributed to a phenomenon known as "visual snow" or "entoptic phenomena." These are visual disturbances that can occur due to the way light interacts with the structures in your eye, especially if you have underlying conditions like myopia or floaters. Myopia can cause light to focus incorrectly on the retina, leading to various visual distortions.

The presence of floaters, which you mentioned, is common in individuals with myopia. Floaters are tiny clumps of gel or cells inside the vitreous (the gel-like substance that fills the eye) that can cast shadows on the retina, leading to the perception of spots or strands in your vision. These can sometimes appear more pronounced against bright backgrounds, such as a white computer screen.
Regarding the colored spots you see (like purple or green), this could be a result of the way your retina processes light. When you look at bright lights or screens, the photoreceptors in your retina can become overstimulated, leading to afterimages or colored spots. This is often harmless and can happen to anyone, especially in low-light conditions or after prolonged exposure to bright screens.

However, your concern about whether this is related to retinal issues is valid. While your previous eye examination indicated that your retina appeared symmetrical and healthy, it’s understandable to feel anxious, especially given your history with floaters and the discomfort you experienced during past examinations. If your doctor did not perform a dilated fundus examination (using dilating drops), it might be worth discussing this with them. A thorough examination, including a dilated fundus exam, can provide a more comprehensive view of the retina and help rule out any potential issues, such as retinal tears or detachments, which can sometimes present with visual disturbances.

In terms of management, if the colored spots and flashes are not accompanied by other symptoms such as sudden vision loss, significant increase in floaters, or flashes of light, they are likely benign. However, it is crucial to monitor your symptoms. If they worsen or if you experience new symptoms, you should seek immediate medical attention.

Additionally, consider reducing screen time or taking regular breaks to alleviate eye strain, which can exacerbate visual disturbances. Using artificial tears can also help if dryness is a contributing factor.

In conclusion, while your symptoms may be related to your existing conditions and the normal functioning of your visual system, it’s always best to consult with an eye care professional for peace of mind. They can provide a thorough examination and reassurance, ensuring that your eyes remain healthy. Regular check-ups are essential, especially with your history of myopia and floaters, to monitor any changes in your vision.