Monocular visual field oscillation
Hello Doctor: I have myopia of about 500 degrees in both eyes along with mild astigmatism.
To prevent my prescription from worsening, I pay attention to the time, brightness, and blue light filtering when using computers and smartphones, and I try to read using an e-reader as much as possible.
During college, I experienced flashes of white light in both eyes, but a retinal examination at that time showed no issues, and there was no follow-up.
About three days ago, I noticed some blurriness in my vision, which seemed to improve after blinking.
However, when looking down, my right eye experiences slight continuous shaking (but there is no shaking when looking up or straight ahead), which causes inconvenience in my daily life since I often need to look down for activities like eating.
Supplementing with B vitamins and resting does not seem to help.
After researching, I feel that the symptoms do not align with nystagmus or retinal detachment, so I am reaching out to you with my concerns.
Thank you.
Yue, 20~29 year old female. Ask Date: 2022/04/30
Dr. Cai Wenyuan reply Ophthalmology
It is recommended to seek medical examination.
Reply Date: 2022/04/30
More Info
Understanding single-eye visual disturbances can be quite complex, as there are numerous potential causes ranging from refractive errors to more serious ocular conditions. Based on your description, it seems you are experiencing a combination of symptoms that could be attributed to several factors.
Possible Causes of Single-Eye Visual Disturbances
1. Refractive Errors: Given your history of myopia (nearsightedness) and astigmatism, it is possible that your current prescription may not be adequately correcting your vision. Even slight changes in your refractive status can lead to visual disturbances, such as blurriness or difficulty focusing, particularly when looking down or at specific angles.
2. Eye Fatigue: Prolonged use of digital devices can lead to digital eye strain, which may cause symptoms like blurred vision, discomfort, and even visual disturbances. This is particularly relevant if you are spending long hours on screens without adequate breaks.
3. Ocular Conditions: Conditions such as vitreous detachment or retinal issues can also lead to visual disturbances. While you mentioned that a previous retinal examination showed no issues, it may be worth considering a follow-up if your symptoms persist or worsen.
4. Neurological Factors: Sometimes, visual disturbances can stem from neurological issues, such as nystagmus (involuntary eye movement) or other conditions affecting the visual pathways. However, these are less common and typically accompanied by other symptoms.
5. Environmental Factors: Changes in lighting, glare from screens, or even the position of your head and neck can affect how your eyes function together, leading to perceived disturbances in vision.
Recommendations for Management
1. Re-Evaluation of Prescription: It would be prudent to revisit your eye care professional for a comprehensive eye exam. Ensure that your current prescription is up-to-date and that your lenses are properly fitted. If you are using contact lenses, ensure they are appropriate for your eye shape and prescription.
2. Regular Breaks: Implement the 20-20-20 rule: every 20 minutes, take a 20-second break to look at something 20 feet away. This can help reduce eye strain and fatigue.
3. Proper Lighting: Ensure that your workspace is well-lit to minimize glare on screens and reduce strain on your eyes. Consider using blue light filters on your devices if you find them helpful.
4. Monitor Symptoms: Keep a log of your symptoms, noting when they occur, their duration, and any activities that seem to exacerbate them. This information can be valuable for your eye care provider.
5. Consult a Specialist: If your symptoms persist despite these measures, consider consulting a specialist, such as a neuro-ophthalmologist, who can evaluate for any underlying neurological issues that may be contributing to your visual disturbances.
6. Healthy Lifestyle: Maintain a balanced diet rich in vitamins and minerals that support eye health, such as Omega-3 fatty acids, lutein, and vitamins A, C, and E. Staying hydrated and getting adequate sleep are also crucial for overall eye health.
Conclusion
In summary, while your symptoms may be related to refractive errors or eye strain, it is essential to rule out any serious underlying conditions. Regular eye exams and open communication with your eye care provider are key to managing your visual health effectively. If your symptoms continue to interfere with your daily life, do not hesitate to seek further evaluation. Your vision is vital, and addressing these disturbances promptly can help ensure long-term eye health.
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