Retinal Exams for Floaters and Macular Health - Ophthalmology

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Retinal examination for floaters?


Hello Doctor, thank you for your previous response.
After the examination for my photopsia symptoms, the clinic doctor said there was no issue, so I gradually stopped paying attention to it.
However, the doctor mentioned it could be due to excessive use of electronic devices.
Recently, it seems that the symptoms have started to appear again, but since I had an examination last week and the doctor said everything was fine, I still find it hard to ignore this issue.
I've come across many articles related to eye health lately, so I would like to ask you:
1.
During a retinal examination for floaters, will the examination include the macula? I use my computer frequently, and although I take lutein supplements for eye health, I am still a bit concerned about the condition of my macula.
If the examination does not assess the macula, should I go to a larger hospital for regular macular checks?
2.
My photopsia symptoms sometimes appear and sometimes do not.
Is there a correlation between this and eye fatigue?
3.
I recently got new glasses, and it seems that the lenses are designed to filter blue light.
Doctor, does this really have any effect?
I appreciate your time in responding.
Thank you very much!

Chen Tongxue, 20~29 year old female. Ask Date: 2016/08/27

Dr. Gao Pilin reply Ophthalmology


Hello, Student Chen:
1.
First, the issue of flashes is generally not caused by the macula.
Regular examinations of the retina can reveal changes in the macula.
2.
It is not significantly related to fatigue.
3.
Blue light filtering is likely unnecessary, but ultraviolet light filtering is recommended.
At the Puzih Hospital Eye Clinic in Taiwan, the hours are as follows:
Monday to Friday: 8:00 AM to 12:00 PM
Wednesday: 1:00 PM to 4:30 PM
Please note that online responses are for reference only; it is essential to seek medical attention at a healthcare facility if necessary.
I hope to have the opportunity to assist you.
Best regards,
Gao Pilin

Reply Date: 2016/08/27

More Info


Hello! Thank you for your questions regarding retinal exams, floaters, and macular health. It’s great that you’re being proactive about your eye health, especially given your concerns about floaters and potential macular issues. Let’s address your questions one by one.

1. Retinal Exams and Macular Health: When you undergo a retinal exam for floaters, the examination typically includes a thorough assessment of the entire retina, which encompasses the macula. The macula is a small area in the retina responsible for central vision and is crucial for tasks like reading and recognizing faces. During the exam, your eye doctor will likely use a dilating agent to widen your pupils, allowing for a more comprehensive view of the retina and macula. If there are specific concerns about macular health, such as age-related macular degeneration (AMD) or other conditions, additional tests like Optical Coherence Tomography (OCT) may be recommended. If you have a high frequency of computer use and are concerned about your macular health, it may be wise to discuss with your eye care provider the need for regular macular assessments, especially if you have risk factors such as family history or high myopia.

2. Flashes and Eye Fatigue: The occurrence of flashes or floaters can indeed be influenced by eye fatigue. Prolonged screen time can lead to digital eye strain, which may exacerbate symptoms like floaters or flashes. When your eyes are tired, they may become more sensitive, and you might notice these symptoms more acutely. It’s essential to practice good eye hygiene, especially when using digital devices. The 20-20-20 rule is a helpful guideline: every 20 minutes, take a 20-second break to look at something 20 feet away. This practice can help reduce eye strain and may lessen the frequency of your symptoms.

3. Blue Light Filtering Lenses: Regarding blue light filtering lenses, there is ongoing debate about their effectiveness. Blue light emitted from screens can contribute to eye strain and may disrupt sleep patterns, but the scientific consensus on the necessity of blue light blocking lenses is still evolving. Some users report reduced eye strain and improved comfort when using these lenses, while others find no significant difference. If you spend a lot of time in front of screens, it may be beneficial to try blue light filtering lenses and see if they help you. Additionally, consider using screen filters or adjusting your screen settings to reduce blue light exposure, especially in the evening.

In conclusion, while your recent retinal exams have shown no immediate issues, it’s essential to maintain regular check-ups, especially given your high computer usage and concerns about floaters and macular health. If you notice any changes in your vision or if your symptoms worsen, don’t hesitate to reach out to your eye care provider. They can provide tailored advice and ensure that your eyes remain healthy. Remember, taking breaks, practicing good eye hygiene, and maintaining a healthy lifestyle can significantly contribute to your overall eye health. Thank you for your questions, and I hope this information helps you feel more informed about your eye health!

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