Yellow Light Sphere Appearing with Eyes Closed: Possible Causes and Insights

Seeing yellow orbs of light when closing your eyes?

When I close my eyes, I see a yellow light sphere, and when I open my eyes to look at things, the light sphere that was previously closed becomes a faint black shadow.
When my eyes are closed and I face the light source, the light sphere disappears, but when I close my eyes and tilt my head away from the light, the light sphere reappears.
The size of the light sphere is consistent and fixed.
Currently, this situation occurs only in my right eye; as long as my eyes are closed, the light sphere appears, and when I open them, the black shadow sphere appears.
I have been taking quinine for a long time.
Could you please help me understand what changes are happening in my eyes? Thank you.

Lian, 40~49 year old female. Ask Date: 2023/04/24

Dr. He Jianxian reply Ophthalmology

It is recommended that you go to a larger hospital for a detailed examination, as it is not possible to understand what the issue is based on this description.
Dr.
He Jianxian, Ophthalmology Department, Nantou Hospital.

Reply Date: 2023/04/24

More Info

The phenomenon you're experiencing, where a yellow light sphere appears when your eyes are closed and transforms into a faint black shadow when you open your eyes, can be quite perplexing. This situation may be related to several ocular and neurological factors, and I will elaborate on some possible causes and insights regarding your symptoms.

Firstly, the appearance of light phenomena when your eyes are closed could be attributed to a few different mechanisms. One possibility is the presence of phosphenes, which are sensations of light that occur without light actually entering the eye. Phosphenes can be triggered by various stimuli, including pressure on the eyes, electrical activity in the retina, or even spontaneous activity in the visual pathways of the brain. When you close your eyes and look towards a light source, the contrast between the light and the darkness can enhance these sensations, leading to the perception of a yellow light sphere.

Another consideration is the role of the vitreous humor, the gel-like substance that fills the eye. As we age, the vitreous can undergo changes, leading to the formation of floaters or other visual disturbances. If the vitreous is pulling away from the retina, it can cause flashes of light or other visual phenomena. However, since you mentioned that this occurs specifically when your eyes are closed, it may be less likely related to vitreous detachment.

The fact that the light sphere disappears when you look directly at a light source but reappears when you turn away could suggest that the phenomenon is influenced by the ambient light conditions and the way your visual system processes light and shadow. The brain's interpretation of visual signals can be complex, and sometimes it can create visual artifacts based on the surrounding light environment.

Regarding your mention of taking quinine long-term, it is important to note that while quinine is primarily used to treat malaria and certain muscle cramps, it can have side effects that may affect vision. Some individuals report visual disturbances, including changes in color perception or the appearance of visual artifacts. If you suspect that your medication may be contributing to these symptoms, it would be prudent to discuss this with your healthcare provider. They can evaluate the necessity of the medication and consider alternative treatments if necessary.

Additionally, you should consider having a comprehensive eye examination if you haven't done so recently. An eye care professional can assess your overall eye health, check for any underlying conditions, and ensure that there are no issues with the retina or other structures of the eye. Given your description of the symptoms, it is essential to rule out any potential retinal issues, especially if you have a history of eye problems.

In summary, the yellow light sphere you are experiencing could be related to phosphenes or other visual phenomena influenced by light conditions and your visual processing. The long-term use of quinine may also play a role, and it is advisable to consult with your healthcare provider regarding this medication. A thorough eye examination is recommended to ensure your eye health and address any concerns you may have. Remember, your vision is vital, and any changes should be taken seriously.

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