Retinal Issues: Symptoms, Risks, and Self-Assessment - Ophthalmology

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Retinal issues


Hello Doctor, I have myopia and astigmatism in my left eye measured at -5.00 and -3.00, and in my right eye at -4.00 and -4.00.
I would like to ask if my recent experience of seeing floaters and slight flashes of light could be a precursor to a retinal tear.
I recently received my third vaccine dose, so it's not convenient for me to visit the hospital.
How can I self-test to determine if it's floaters or just a psychological effect? What is the likelihood of a retinal tear? Are there many cases where a retinal tear progresses to retinal detachment before being discovered? Do floaters ever disappear on their own, or once they appear, will they accompany me for life? Thank you very much for taking the time to answer my questions.

Bai Bai, 20~29 year old female. Ask Date: 2022/02/17

Dr. Gao Pilin reply Ophthalmology


Hello, Bai Bai: The presence of floaters in your vision is not a psychological effect if they are clearly noticeable.
The likelihood of a retinal tear is low.
If the tear is large, it can lead to retinal detachment, but smaller tears are less likely to cause this issue.
Floaters are not easy to eliminate and may accompany you for a long time, possibly even a lifetime.
Therefore, it is important to accept and get used to them.
The pandemic situation is relatively safe, so I recommend that you still get an eye examination for the best outcome.

Reply Date: 2022/02/17

More Info


Hello! Thank you for your questions regarding your eye health, particularly concerning the symptoms of floaters and flashes of light, which can indeed be concerning. Let's break down your queries and provide some clarity on these issues.


Understanding Floaters and Flashes
1. Floaters and Flashes: Floaters are small specks or strands that drift through your field of vision. They are often caused by changes in the vitreous gel that fills the eye, which can become more liquid as we age. Flashes, on the other hand, are brief bursts of light that can occur when the vitreous pulls on the retina. Both symptoms can be benign, but they can also indicate more serious conditions, such as retinal tears or detachment.

2. Risk of Retinal Tears: The presence of floaters and flashes can indeed be a sign of retinal issues, including retinal tears or detachment. While not everyone with these symptoms will experience a retinal tear, the risk does increase, especially in individuals with myopia (nearsightedness), as the retina is often thinner in these patients.
3. Self-Assessment: While it is challenging to self-diagnose, you can perform a simple test at home. Try to observe your floaters against a bright background, like a clear blue sky or a white wall. If you notice an increase in the number of floaters or if they are accompanied by sudden flashes of light, it is advisable to seek medical attention.
4. Likelihood of Retinal Issues: The probability of having a retinal tear or detachment increases with the presence of these symptoms, especially if you have a history of high myopia or other risk factors. It is essential to monitor your symptoms closely.

5. Progression to Retinal Detachment: Many individuals with retinal tears may not realize they have them until they experience more severe symptoms, such as a sudden increase in floaters, flashes, or a shadow in their peripheral vision. This is why it is crucial to have a thorough eye examination if you notice any changes in your vision.

6. Persistence of Floaters: Floaters can be persistent. While some may fade over time or become less noticeable, they often do not completely disappear. Many people learn to live with them, and they become less bothersome as the brain adapts to ignoring them.


Recommendations
- Seek Professional Evaluation: Given your symptoms and the potential risks associated with them, it is highly recommended that you consult an eye care professional as soon as possible. Even if you have recently received a vaccine and are concerned about visiting a hospital, many eye clinics have protocols in place to ensure patient safety.

- Monitor Symptoms: Keep a close eye on any changes in your symptoms. If you experience a sudden increase in floaters, flashes, or any changes in your peripheral vision, seek immediate medical attention.

- Avoid Self-Diagnosis: While it is helpful to be informed, self-diagnosing can lead to unnecessary anxiety. Professional evaluation is essential for accurate diagnosis and treatment.

In conclusion, while floaters and flashes can be benign, they can also indicate more serious conditions. Given your myopia and the symptoms you are experiencing, it is prudent to seek a comprehensive eye examination. Early detection and treatment are crucial in preventing potential complications, such as retinal detachment. Thank you for your questions, and I hope this information helps you understand your situation better!

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