Is it possible for vision loss to occur in the visual field area affected by photophobia?
Hello Doctor: Recently, I have noticed a small area in my monocular visual field where I see light spots similar to photopsia when I close my eyes.
Given that I am at an age where ocular function tends to decline, I visited an ophthalmology clinic for an examination.
The clinic conducted external eye examinations and macular imaging, and the physician who examined me indicated that there were no significant issues with my retina, which made me feel like I might be overreacting.
However, I just discovered that in the area where I experience photopsia, there seems to be a loss of vision.
I confirmed this by focusing on a black background screen with one eye and moving the mouse pointer near the light spot, only to find that the mouse pointer completely disappears.
Therefore, I would like to ask the doctor if this kind of vision loss is normal.
Is there a chance it will recover naturally? I hope I am just overreacting.
Thank you, Doctor.
(I started experiencing mild floaters last year, occasionally accompanied by ocular migraines, but this year I have only maintained the symptoms of floaters, which I feel are simply a result of aging.)
Mr. Chen, 30~39 year old female. Ask Date: 2022/03/30
Dr. He Jianxian reply Ophthalmology
To confirm your issue, you only need to schedule a standard visual field test.
It is recommended that you arrange this at a hospital.
Dr.
He Jianxian, Ophthalmology Department, Nantou Hospital.
Reply Date: 2022/03/30
More Info
Photopsia, or the perception of flashes of light, can indeed be associated with visual field loss, and understanding the underlying mechanisms is crucial for maintaining eye health. Your experience of seeing light spots in one eye, particularly in conjunction with a potential loss of vision in that area, warrants careful consideration.
Firstly, photopsia can arise from various causes, including retinal detachment, vitreous detachment, or even migraines. In your case, the fact that you have experienced floaters and occasional ocular migraines suggests that there may be some vitreous changes occurring in your eye. As we age, the vitreous gel that fills the eye can become more liquid and may pull away from the retina, leading to symptoms such as floaters and flashes of light. This is often a benign condition, but it can sometimes lead to more serious issues, such as retinal tears or detachments.
The visual field loss you described, where the mouse pointer disappears when moved near the area of photopsia, is concerning. This could indicate that there is a scotoma, or an area of partial or complete loss of vision, in that specific region. Scotomas can result from various conditions, including retinal diseases, optic nerve issues, or even neurological conditions. Given that your retinal examination did not reveal any significant problems, it is essential to consider other potential causes.
While it is reassuring that your retina appears healthy, the combination of photopsia and visual field loss should not be taken lightly. It is crucial to follow up with your eye care provider for further evaluation. Additional tests, such as visual field testing and optical coherence tomography (OCT), can provide more insight into the health of your retina and optic nerve. These tests can help determine if there are any underlying issues that need to be addressed.
In terms of recovery, the prognosis can vary depending on the underlying cause of your symptoms. If the photopsia and visual field loss are related to benign vitreous changes, they may stabilize over time. However, if there is a more serious underlying condition, timely intervention may be necessary to prevent further vision loss.
It is also worth noting that while age-related changes in the eye are common, they should not be dismissed, especially when accompanied by new symptoms. Regular eye examinations are essential, particularly as you approach an age where the risk of retinal conditions increases. Maintaining a healthy lifestyle, including a balanced diet rich in antioxidants, protecting your eyes from UV light, and managing any systemic health issues, can also contribute to better eye health.
In conclusion, while your initial examination did not reveal significant retinal issues, the combination of photopsia and visual field loss necessitates further investigation. It is advisable to consult with your eye care provider for a comprehensive evaluation to rule out any serious conditions and to monitor your symptoms closely. Early detection and intervention are key to preserving your vision and ensuring your overall eye health.
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