Macular degeneration
Hello, doctor.
I have myopia of around 500-600 degrees and have experienced floaters for many years.
A few days ago, while looking at text on my phone, I noticed that the letters on the far left or far right appeared slightly distorted (this issue is limited to looking at my phone, and I haven't noticed it elsewhere).
I subsequently underwent a dilated eye exam and OCT, both of which returned normal results.
It could possibly be due to the angle at which I hold my phone, lens issues, eye fatigue, or even a psychological effect.
Just as I was starting to feel relieved, the doctor said something that made me very anxious: "You may already have macular degeneration; perhaps the symptoms are too mild or too early for the machines to detect.
If macular degeneration were like cancer, you might be in a precancerous state." Is it true that there are cases of early macular degeneration where symptoms cannot be detected during examinations? Thank you, doctor, for taking the time to respond.
Mei, 20~29 year old female. Ask Date: 2021/02/20
Dr. He Jianxian reply Ophthalmology
In the absence of clinical changes, it is generally difficult to predict what changes may occur in the future.
It is recommended to have a dilated fundus examination periodically to detect any issues early for timely treatment.
Additionally, you can use the Amsler Grid for self-monitoring; this chart can be easily found online and serves as a simple yet practical method for self-assessment.
Dr.
Ho Chien-Hsien, Department of Ophthalmology, Nantou Hospital.
Reply Date: 2021/02/20
More Info
Understanding early macular degeneration is crucial, especially for individuals with a history of high myopia and other ocular conditions. Macular degeneration, particularly age-related macular degeneration (AMD), is a progressive eye disease that affects the macula, the part of the retina responsible for central vision. Early stages of this condition can often be asymptomatic or present with very subtle symptoms, making it challenging to diagnose without thorough examination.
In your case, the symptoms you described—distortion of text when viewing your phone—could indeed be indicative of early macular changes. This phenomenon, known as metamorphopsia, occurs when the macula begins to deteriorate, leading to visual distortions. However, it is essential to note that such symptoms can also arise from other factors, including eye strain, improper viewing angles, or even lens issues, particularly if they are only present when using your phone.
The concern raised by your doctor about the possibility of early macular degeneration is valid. In clinical practice, there are instances where patients exhibit early signs of macular degeneration that may not be detectable through standard imaging techniques like Optical Coherence Tomography (OCT) or fundus photography. This is particularly true in the early stages of the disease, where changes in the retinal pigment epithelium or subtle drusen formation may not be evident.
It is also important to understand that while macular degeneration is a significant concern, it is not synonymous with cancer or "cancerous changes." The analogy your doctor used may have been intended to emphasize the importance of monitoring and early intervention, but it is crucial to clarify that macular degeneration itself is not a cancerous condition. It is a degenerative disease that can lead to vision loss if not managed appropriately.
For individuals at risk, especially those with high myopia, regular eye examinations are vital. These should include comprehensive dilated eye exams, which allow for a more thorough assessment of the retina and macula. Additionally, lifestyle factors such as diet, smoking cessation, and UV protection can play a role in managing risk factors associated with macular degeneration.
If you are experiencing visual disturbances, it is advisable to maintain close communication with your eye care provider. They may recommend follow-up examinations, including Amsler grid tests, which can help monitor for changes in your central vision. Furthermore, if you have concerns about the potential for undetected macular degeneration, discussing advanced imaging options or referrals to a retinal specialist could provide additional peace of mind.
In summary, while early macular degeneration can present challenges in diagnosis, being proactive about your eye health through regular check-ups and open dialogue with your healthcare provider is essential. Understanding the nature of your symptoms and the importance of monitoring can help alleviate anxiety and ensure that any potential issues are addressed promptly.
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