Visual Disturbances: Causes and Concerns for Eye Health - Ophthalmology

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Objects appear to be shaking or moving when viewed?


Recently, I've been experiencing eye fatigue and allergy symptoms.
Last night, I woke up with nasal allergy flare-ups, and my nose was painful, making me feel like I hadn't slept well.
Later, when I turned over and looked at the ceiling, I noticed a sensation of flickering light in the central area of my vision (since the curtains in my room weren't fully drawn, sometimes my neighbor turns their lights on and off at night).
I remember experiencing this phenomenon before, but at that time, it was clearly due to the light.
This time, I'm not sure.
I would like to ask the doctor: if it’s not related to light, could the flickering in my vision be a problem with the retina? I do not have diabetes, and my prescription is -3.00 and -4.00.
However, during a previous eye exam, the doctor pressed on my eyeball while flipping my eyelid.
Could this cause damage to the retina? Thank you.

Niming, 30~39 year old female. Ask Date: 2018/11/22

Dr. Cai Wenyuan reply Ophthalmology


Hello, if the symptoms persist, it is recommended to seek medical examination.
Wishing you safety and health.
Sincerely, Dr.
Tsai Wen-Yuan, Director of the Ophthalmology Department, Taoyuan Hospital, Ministry of Health and Welfare.

Reply Date: 2018/11/22

More Info


Understanding visual disturbances can be quite complex, as they can stem from a variety of causes, ranging from simple fatigue to more serious underlying conditions. In your case, the symptoms you describe—eye fatigue, allergic reactions, and the perception of flickering or moving light in your vision—could be attributed to several factors.

Firstly, eye fatigue is a common issue, especially in our modern world where prolonged screen time is prevalent. This condition, often referred to as digital eye strain or computer vision syndrome, can lead to discomfort, blurred vision, and even headaches. Symptoms can worsen when combined with environmental factors such as poor lighting or allergens, which can exacerbate the feeling of fatigue and discomfort in the eyes.

The flickering or moving light you noticed when looking at the ceiling could be related to several possibilities. If it occurs in the absence of a clear light source, it might be a phenomenon known as visual snow or a type of visual aura. These conditions can sometimes be benign but may also indicate underlying issues with the retina or visual pathways in the brain. Given your history of eye strain and the recent allergic reactions, it is plausible that your symptoms are primarily due to fatigue and environmental irritants rather than a direct retinal issue.

Regarding your concern about potential retinal damage from the eye examination where pressure was applied to your eyeball, it is generally unlikely that such an examination would cause significant harm. Eye care professionals are trained to perform these assessments safely. However, if you experience persistent visual disturbances or changes in your vision, it is crucial to follow up with an eye care specialist. They may recommend a comprehensive eye examination, including tests for retinal health, to rule out any serious conditions.

In terms of your overall eye health, maintaining a healthy lifestyle can significantly impact your visual well-being. Here are some recommendations:
1. Regular Eye Exams: Ensure you have routine check-ups with an eye care professional. This is essential for monitoring any changes in your vision and overall eye health.

2. Manage Allergies: If you have seasonal allergies, consider consulting with a healthcare provider about appropriate medications or treatments to alleviate symptoms. Reducing allergy symptoms can help minimize eye irritation.

3. Take Breaks: If you spend long hours in front of screens, practice the 20-20-20 rule: every 20 minutes, look at something 20 feet away for at least 20 seconds. This helps reduce eye strain.

4. Proper Lighting: Ensure that your workspace is well-lit to reduce glare and strain on your eyes. Avoid working in dim light or with harsh overhead lighting.

5. Hydration and Nutrition: Staying hydrated and consuming a diet rich in vitamins A, C, and E, as well as omega-3 fatty acids, can support eye health.

6. Protective Eyewear: If you are frequently exposed to screens, consider using blue light blocking glasses to reduce potential strain.

7. Stress Management: Stress can exacerbate visual disturbances. Techniques such as mindfulness, meditation, or yoga can help manage stress levels.

In conclusion, while your symptoms may be concerning, they are not uncommon and can often be managed with lifestyle adjustments and proper eye care. However, if you notice any significant changes in your vision or if your symptoms persist, it is essential to seek further evaluation from an eye care professional to ensure there are no underlying issues that need to be addressed.

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