Retinal Issues: When to Seek Eye Care for Symptoms - Ophthalmology

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Retinal issues


Hello, doctor.
My myopia is -800 diopters in my left eye and -675 diopters in my right eye.
Last year, I gradually developed floaters, and this year I started experiencing flashes of light (similar to lightning).
Initially, it occurred once a month, but now I experience it several times a day.
Due to my floaters, I have read related articles and would like to ask you a few questions.

1.
Since I have floaters, it is difficult to notice changes in their quantity.
However, if I see flashes of light, should I get a fundus examination? It’s also a bit awkward because I often have a fundus examination and everything appears normal, but a few days later I experience flashes again.
Should I get checked immediately or wait for other symptoms? Sometimes, when I visit frequently, the clinic doctors mention that the interval between fundus examinations is too short.
However, from a patient's perspective, I am worried that if there is a problem, it won't be detected in time, leading to more significant issues.
2.
Sometimes I see black flashes (the location is not fixed, usually occurring a few seconds after turning my head or moving my gaze), which is different from the floaters that appear as dark spots due to light projection.
These black flashes feel like spontaneous bright spots.
Although they appear for a very short time, I am still concerned that there might be something wrong.
Thank you, doctor, for taking the time to answer my questions.
I have been experiencing these symptoms frequently, and I am a bit scared, so I have tried to describe my issues as thoroughly as possible.
Thank you.

A-Ming, 20~29 year old female. Ask Date: 2018/11/09

Dr. He Jianxian reply Ophthalmology


The timing for a flash and floaters examination is primarily when there is a first occurrence or a significant increase in frequency.
Additionally, if there is a substantial increase in floaters accompanied by flashes, a dilated eye examination is also recommended.
Wishing you good health.

Reply Date: 2018/11/09

More Info


Hello! Thank you for reaching out with your concerns regarding your vision and retinal issues. Based on your description, it seems you are experiencing a combination of symptoms, including floaters and flashes of light, which can be concerning, especially given your high degree of myopia (nearsightedness). Let’s address your questions systematically.

1. When to Seek Eye Care: Given your history of floaters and the recent onset of flashes, it is indeed advisable to seek an eye examination, particularly a dilated fundus examination, whenever you notice new symptoms. Flashes of light can indicate potential retinal issues, such as retinal tears or detachment, especially in individuals with high myopia. If you experience a sudden increase in the number of floaters, a sudden change in vision, or if the flashes become more frequent or intense, you should seek immediate medical attention. It’s understandable that frequent visits can feel burdensome, but your eye health is paramount. If your symptoms persist or worsen, it’s better to err on the side of caution and consult your eye care professional.

2. Understanding Flashes and Floaters: The black flashes you describe, which occur with head movements or changes in gaze, can be related to the vitreous gel in the eye pulling away from the retina. This is often benign but can sometimes indicate a more serious condition. The distinction between these flashes and the floaters you experience is important. While floaters are typically shadows cast by tiny clumps of gel or cells in the vitreous, flashes can indicate that the retina is being stimulated, which may warrant further investigation. If these flashes are new or have changed in character, it’s advisable to have them evaluated.

3. Managing Anxiety and Monitoring Symptoms: It’s completely normal to feel anxious about your symptoms, especially when they are new or changing. Keeping a symptom diary can be helpful; note when the flashes occur, their duration, and any associated activities. This information can be valuable for your eye care provider. If you feel that your symptoms are stable and not worsening, you might consider scheduling follow-up appointments at intervals recommended by your doctor, rather than rushing in for every new symptom. However, trust your instincts—if something feels off, don’t hesitate to seek care.

4. Long-term Considerations: Given your high myopia, you are at a higher risk for retinal issues, so regular eye exams are crucial. Your eye care provider may recommend more frequent monitoring, especially if you have a history of retinal problems or if your symptoms change. Discuss with them the best schedule for follow-up exams based on your specific situation.

In summary, while floaters and flashes can be common, especially in myopic individuals, any new or changing symptoms should be taken seriously. Regular check-ups with your eye care provider are essential for monitoring your eye health. If you have any doubts or experience worsening symptoms, don’t hesitate to seek immediate care. Your vision is important, and staying proactive about your eye health is the best approach. Thank you for sharing your concerns, and I hope this information helps you feel more informed and empowered regarding your eye health!

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